Available Climate Indices

The following indices are available, categorized by the defining distribution.

clix-meta (0.6.1)

fd

Field	Description
Distribution	clix-meta-0.6.1
Long name	Number of Frost Days (Tmin < 0C)
Reference	ETCCDI
Default period	annual
Input
data	tasmin

Details

Field	Description
Index function	count_occurrences
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	0 degree_Celsius
condition
kind	operator
operator	<

tnlt2

Field	Description
Distribution	clix-meta-0.6.1
Long name	Number of weak Frost Days (Tmin < +2C)
Reference	ET-SCI
Default period	annual
Input
data	tasmin

Details

Field	Description
Index function	count_occurrences
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	2 degree_Celsius
condition
kind	operator
operator	<

tnltm2

Field	Description
Distribution	clix-meta-0.6.1
Long name	Number of sharp Frost Days (Tmin < -2C)
Reference	ET-SCI
Default period	annual
Input
data	tasmin

Details

Field	Description
Index function	count_occurrences
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	-2 degree_Celsius
condition
kind	operator
operator	<

tnltm20

Field	Description
Distribution	clix-meta-0.6.1
Long name	None
Reference	ET-SCI
Default period	annual
Input
data	tasmin

Details

Field	Description
Index function	count_occurrences
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	-20 degree_Celsius
condition
kind	operator
operator	<

id

Field	Description
Distribution	clix-meta-0.6.1
Long name	Number of sharp Ice Days (Tmax < 0C)
Reference	ETCCDI
Default period	annual
Input
data	tasmax

Details

Field	Description
Index function	count_occurrences
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	0 degree_Celsius
condition
kind	operator
operator	<

su

Field	Description
Distribution	clix-meta-0.6.1
Long name	Number of Summer Days (Tmax > 25C)
Reference	ETCCDI
Default period	annual
Input
data	tasmax

Details

Field	Description
Index function	count_occurrences
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	25 degree_Celsius
condition
kind	operator
operator	>

txge30

Field	Description
Distribution	clix-meta-0.6.1
Long name	Number of Hot Days (Tmax >= 35C)
Reference	ET-SCI
Default period	annual
Input
data	tasmax

Details

Field	Description
Index function	count_occurrences
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	30 degree_Celsius
condition
kind	operator
operator	>=

txge35

Field	Description
Distribution	clix-meta-0.6.1
Long name	Number of Very Hot Days (Tmax >= 35C)
Reference	ET-SCI
Default period	annual
Input
data	tasmax

Details

Field	Description
Index function	count_occurrences
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	35 degree_Celsius
condition
kind	operator
operator	>=

tr

Field	Description
Distribution	clix-meta-0.6.1
Long name	Number of Tropical Nights (Tmin > 20C)
Reference	ETCCDI
Default period	annual
Input
data	tasmin

Details

Field	Description
Index function	count_occurrences
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	20 degree_Celsius
condition
kind	operator
operator	>

tmge5

Field	Description
Distribution	clix-meta-0.6.1
Long name	Number of days with Tmean >= 5C
Reference	ET-SCI
Default period	annual
Input
data	tas

Details

Field	Description
Index function	count_occurrences
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	5 degree_Celsius
condition
kind	operator
operator	>=

tmlt5

Field	Description
Distribution	clix-meta-0.6.1
Long name	Number of days with Tmean < 5C
Reference	ET-SCI
Default period	annual
Input
data	tas

Details

Field	Description
Index function	count_occurrences
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	5 degree_Celsius
condition
kind	operator
operator	<

tmge10

Field	Description
Distribution	clix-meta-0.6.1
Long name	Number of days with Tmean >= 10C
Reference	ET-SCI
Default period	annual
Input
data	tas

Details

Field	Description
Index function	count_occurrences
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	10 degree_Celsius
condition
kind	operator
operator	>=

tmlt10

Field	Description
Distribution	clix-meta-0.6.1
Long name	Number of days with Tmean < 10C
Reference	ET-SCI
Default period	annual
Input
data	tas

Details

Field	Description
Index function	count_occurrences
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	10 degree_Celsius
condition
kind	operator
operator	<

tngt{TT}

Field	Description
Distribution	clix-meta-0.6.1
Long name	Number of days with Tmin > {TT}C
Reference	CLIPC
Default period	annual
Input
data	tasmin

Details

Field	Description
Index function	count_occurrences
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	{TT} degree_Celsius
condition
kind	operator
operator	>

tnlt{TT}

Field	Description
Distribution	clix-meta-0.6.1
Long name	Number of days with Tmin < {TT}C
Reference	CLIPC
Default period	annual
Input
data	tasmin

Details

Field	Description
Index function	count_occurrences
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	{TT} degree_Celsius
condition
kind	operator
operator	<

tnge{TT}

Field	Description
Distribution	clix-meta-0.6.1
Long name	Number of days with Tmin >= {TT}C
Reference	CLIPC
Default period	annual
Input
data	tasmin

Details

Field	Description
Index function	count_occurrences
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	{TT} degree_Celsius
condition
kind	operator
operator	>=

tnle{TT}

Field	Description
Distribution	clix-meta-0.6.1
Long name	Number of days with Tmin <= {TT}C
Reference	CLIPC
Default period	annual
Input
data	tasmin

Details

Field	Description
Index function	count_occurrences
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	{TT} degree_Celsius
condition
kind	operator
operator	<=

txgt{TT}

Field	Description
Distribution	clix-meta-0.6.1
Long name	Number of days with Tmax > {TT}C
Reference	CLIPC
Default period	annual
Input
data	tasmax

Details

Field	Description
Index function	count_occurrences
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	{TT} degree_Celsius
condition
kind	operator
operator	>

txlt{TT}

Field	Description
Distribution	clix-meta-0.6.1
Long name	Number of days with Tmax < {TT}C
Reference	CLIPC
Default period	annual
Input
data	tasmax

Details

Field	Description
Index function	count_occurrences
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	{TT} degree_Celsius
condition
kind	operator
operator	<

txge{TT}

Field	Description
Distribution	clix-meta-0.6.1
Long name	Number of days with Tmax >= {TT}C
Reference	CLIPC
Default period	annual
Input
data	tasmax

Details

Field	Description
Index function	count_occurrences
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	{TT} degree_Celsius
condition
kind	operator
operator	>=

txle{TT}

Field	Description
Distribution	clix-meta-0.6.1
Long name	Number of days with Tmax <= {TT}C
Reference	CLIPC
Default period	annual
Input
data	tasmax

Details

Field	Description
Index function	count_occurrences
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	{TT} degree_Celsius
condition
kind	operator
operator	<=

tmgt{TT}

Field	Description
Distribution	clix-meta-0.6.1
Long name	Number of days with Tmean > {TT}C
Reference	CLIPC
Default period	annual
Input
data	tas

Details

Field	Description
Index function	count_occurrences
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	{TT} degree_Celsius
condition
kind	operator
operator	>

tmlt{TT}

Field	Description
Distribution	clix-meta-0.6.1
Long name	Number of days with Tmean < {TT}C
Reference	CLIPC
Default period	annual
Input
data	tas

Details

Field	Description
Index function	count_occurrences
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	{TT} degree_Celsius
condition
kind	operator
operator	<

tmge{TT}

Field	Description
Distribution	clix-meta-0.6.1
Long name	Number of days with Tmean >= {TT}C
Reference	CLIPC
Default period	annual
Input
data	tas

Details

Field	Description
Index function	count_occurrences
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	{TT} degree_Celsius
condition
kind	operator
operator	>=

tmle{TT}

Field	Description
Distribution	clix-meta-0.6.1
Long name	Number of days with Tmean <= {TT}C
Reference	CLIPC
Default period	annual
Input
data	tas

Details

Field	Description
Index function	count_occurrences
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	{TT} degree_Celsius
condition
kind	operator
operator	<=

ctngt{TT}

Field	Description
Distribution	clix-meta-0.6.1
Long name	Maximum number of consecutive days with Tmin > {TT}C
Reference	CLIPC
Default period	annual
Input
data	tasmin

Details

Field	Description
Index function	spell_length
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	{TT} degree_Celsius
condition
kind	operator
operator	>
statistic
kind	reducer
reducer	max

cfd

Field	Description
Distribution	clix-meta-0.6.1
Long name	Maximum number of consecutive frost days (Tmin < 0 C)
Reference	ECA&D
Default period	annual
Input
data	tasmin

Details

Field	Description
Index function	spell_length
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	0 degree_Celsius
condition
kind	operator
operator	<
statistic
kind	reducer
reducer	max

csu

Field	Description
Distribution	clix-meta-0.6.1
Long name	Maximum number of consecutive summer days (Tmax >25 C)
Reference	ECA&D
Default period	annual
Input
data	tasmax

Details

Field	Description
Index function	spell_length
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	25 degree_Celsius
condition
kind	operator
operator	>
statistic
kind	reducer
reducer	max

ctnlt{TT}

Field	Description
Distribution	clix-meta-0.6.1
Long name	Maximum number of consecutive days with Tmin < {TT}C
Reference	CLIPC
Default period	annual
Input
data	tasmin

Details

Field	Description
Index function	spell_length
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	{TT} degree_Celsius
condition
kind	operator
operator	<
statistic
kind	reducer
reducer	max

ctnge{TT}

Field	Description
Distribution	clix-meta-0.6.1
Long name	Maximum number of consecutive days with Tmin >= {TT}C
Reference	CLIPC
Default period	annual
Input
data	tasmin

Details

Field	Description
Index function	spell_length
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	{TT} degree_Celsius
condition
kind	operator
operator	>=
statistic
kind	reducer
reducer	max

ctnle{TT}

Field	Description
Distribution	clix-meta-0.6.1
Long name	Maximum number of consecutive days with Tmin <= {TT}C
Reference	CLIPC
Default period	annual
Input
data	tasmin

Details

Field	Description
Index function	spell_length
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	{TT} degree_Celsius
condition
kind	operator
operator	<=
statistic
kind	reducer
reducer	max

ctxgt{TT}

Field	Description
Distribution	clix-meta-0.6.1
Long name	Maximum number of consecutive days with Tmax > {TT}C
Reference	CLIPC
Default period	annual
Input
data	tasmax

Details

Field	Description
Index function	spell_length
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	{TT} degree_Celsius
condition
kind	operator
operator	>
statistic
kind	reducer
reducer	max

ctxlt{TT}

Field	Description
Distribution	clix-meta-0.6.1
Long name	Maximum number of consecutive days with Tmax < {TT}C
Reference	CLIPC
Default period	annual
Input
data	tasmax

Details

Field	Description
Index function	spell_length
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	{TT} degree_Celsius
condition
kind	operator
operator	<
statistic
kind	reducer
reducer	max

ctxge{TT}

Field	Description
Distribution	clix-meta-0.6.1
Long name	Maximum number of consecutive days with Tmax >= {TT}C
Reference	CLIPC
Default period	annual
Input
data	tasmax

Details

Field	Description
Index function	spell_length
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	{TT} degree_Celsius
condition
kind	operator
operator	>=
statistic
kind	reducer
reducer	max

ctxle{TT}

Field	Description
Distribution	clix-meta-0.6.1
Long name	Maximum number of consecutive days with Tmax <= {TT}C
Reference	CLIPC
Default period	annual
Input
data	tasmax

Details

Field	Description
Index function	spell_length
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	{TT} degree_Celsius
condition
kind	operator
operator	<=
statistic
kind	reducer
reducer	max

ctmgt{TT}

Field	Description
Distribution	clix-meta-0.6.1
Long name	Maximum number of consecutive days with Tmean > {TT}C
Reference	CLIPC
Default period	annual
Input
data	tas

Details

Field	Description
Index function	spell_length
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	{TT} degree_Celsius
condition
kind	operator
operator	>
statistic
kind	reducer
reducer	max

ctmlt{TT}

Field	Description
Distribution	clix-meta-0.6.1
Long name	Maximum number of consecutive days with Tmean < {TT}C
Reference	CLIPC
Default period	annual
Input
data	tas

Details

Field	Description
Index function	spell_length
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	{TT} degree_Celsius
condition
kind	operator
operator	<
statistic
kind	reducer
reducer	max

ctmge{TT}

Field	Description
Distribution	clix-meta-0.6.1
Long name	Maximum number of consecutive days with Tmean >= {TT}C
Reference	CLIPC
Default period	annual
Input
data	tas

Details

Field	Description
Index function	spell_length
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	{TT} degree_Celsius
condition
kind	operator
operator	>=
statistic
kind	reducer
reducer	max

ctmle{TT}

Field	Description
Distribution	clix-meta-0.6.1
Long name	Maximum number of consecutive days with Tmean <= {TT}C
Reference	CLIPC
Default period	annual
Input
data	tas

Details

Field	Description
Index function	spell_length
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	{TT} degree_Celsius
condition
kind	operator
operator	<=
statistic
kind	reducer
reducer	max

txx

Field	Description
Distribution	clix-meta-0.6.1
Long name	Maximum daily maximum temperature
Reference	ETCCDI
Default period	annual
Input
data	tasmax

Details

Field	Description
Index function	statistics
statistic
kind	reducer
reducer	max

tnx

Field	Description
Distribution	clix-meta-0.6.1
Long name	Maximum daily minimum temperature
Reference	ETCCDI
Default period	annual
Input
data	tasmin

Details

Field	Description
Index function	statistics
statistic
kind	reducer
reducer	max

txn

Field	Description
Distribution	clix-meta-0.6.1
Long name	Minimum daily maximum temperature
Reference	ETCCDI
Default period	annual
Input
data	tasmax

Details

Field	Description
Index function	statistics
statistic
kind	reducer
reducer	min

tnn

Field	Description
Distribution	clix-meta-0.6.1
Long name	Minimum daily minimum temperature
Reference	ETCCDI
Default period	annual
Input
data	tasmin

Details

Field	Description
Index function	statistics
statistic
kind	reducer
reducer	min

txm

Field	Description
Distribution	clix-meta-0.6.1
Long name	Mean daily maximum temperature
Reference	ET-SCI
Default period	annual
Input
data	tasmax

Details

Field	Description
Index function	statistics
statistic
kind	reducer
reducer	mean

tnm

Field	Description
Distribution	clix-meta-0.6.1
Long name	Mean daily minimum temperature
Reference	ET-SCI
Default period	annual
Input
data	tasmin

Details

Field	Description
Index function	statistics
statistic
kind	reducer
reducer	mean

tmx

Field	Description
Distribution	clix-meta-0.6.1
Long name	Maximum daily mean temperature
Reference	ET-SCI
Default period	annual
Input
data	tas

Details

Field	Description
Index function	statistics
statistic
kind	reducer
reducer	max

tmn

Field	Description
Distribution	clix-meta-0.6.1
Long name	Minimum daily mean temperature
Reference	ET-SCI
Default period	annual
Input
data	tas

Details

Field	Description
Index function	statistics
statistic
kind	reducer
reducer	min

tmm

Field	Description
Distribution	clix-meta-0.6.1
Long name	Mean daily mean temperature
Reference	ET-SCI
Default period	annual
Input
data	tas

Details

Field	Description
Index function	statistics
statistic
kind	reducer
reducer	mean

txmax

Field	Description
Distribution	clix-meta-0.6.1
Long name	Maximum daily maximum temperature
Reference	CLIPC
Default period	annual
Input
data	tasmax

Details

Field	Description
Index function	statistics
statistic
kind	reducer
reducer	max

tnmax

Field	Description
Distribution	clix-meta-0.6.1
Long name	Maximum daily minimum temperature
Reference	CLIPC
Default period	annual
Input
data	tasmin

Details

Field	Description
Index function	statistics
statistic
kind	reducer
reducer	max

txmin

Field	Description
Distribution	clix-meta-0.6.1
Long name	Minimum daily maximum temperature
Reference	CLIPC
Default period	annual
Input
data	tasmax

Details

Field	Description
Index function	statistics
statistic
kind	reducer
reducer	min

tnmin

Field	Description
Distribution	clix-meta-0.6.1
Long name	Minimum daily minimum temperature
Reference	CLIPC
Default period	annual
Input
data	tasmin

Details

Field	Description
Index function	statistics
statistic
kind	reducer
reducer	min

txmean

Field	Description
Distribution	clix-meta-0.6.1
Long name	Mean daily maximum temperature
Reference	CLIPC
Default period	annual
Input
data	tasmax

Details

Field	Description
Index function	statistics
statistic
kind	reducer
reducer	mean

tnmean

Field	Description
Distribution	clix-meta-0.6.1
Long name	Mean daily minimum temperature
Reference	CLIPC
Default period	annual
Input
data	tasmin

Details

Field	Description
Index function	statistics
statistic
kind	reducer
reducer	mean

tmmax

Field	Description
Distribution	clix-meta-0.6.1
Long name	Maximum daily mean temperature
Reference	CLIPC
Default period	annual
Input
data	tas

Details

Field	Description
Index function	statistics
statistic
kind	reducer
reducer	max

tmmin

Field	Description
Distribution	clix-meta-0.6.1
Long name	Minimum daily mean temperature
Reference	CLIPC
Default period	annual
Input
data	tas

Details

Field	Description
Index function	statistics
statistic
kind	reducer
reducer	min

tmmean

Field	Description
Distribution	clix-meta-0.6.1
Long name	Mean daily mean temperature
Reference	CLIPC
Default period	annual
Input
data	tas

Details

Field	Description
Index function	statistics
statistic
kind	reducer
reducer	mean

wsdi

Field	Description
Distribution	clix-meta-0.6.1
Long name	Warm Spell Duration Index, count of days with at least 6 consecutive days when Tmax > 90th percentile
Reference	ETCCDI
Default period	annual
Input
data	tasmax

Details

Field	Description
Index function	count_spell_duration
spell_threshold
kind	quantity
long name	Minimum spell duration
var_name	spell_threshold
standard_name	None
proposed_standard_name	None
value	6 days
spell_condition
kind	operator
operator	>=
percentile
kind	quantity
long name	None
var_name	percentile
standard_name	None
proposed_standard_name	quantile
value	90 %
percentile_condition
kind	operator
operator	>
reference_period
kind	time_range
data	1961/1990

wsdi{ND}

Field	Description
Distribution	clix-meta-0.6.1
Long name	User-defined Warm Spell Duration Index, count of days with at least {ND} consecutive days when Tmax > 90th percentile
Reference	ET-SCI
Default period	annual
Input
data	tasmax

Details

Field	Description
Index function	count_spell_duration
spell_threshold
kind	quantity
long name	Minimum spell duration
var_name	spell_threshold
standard_name	None
proposed_standard_name	None
value	{ND} days
spell_condition
kind	operator
operator	>=
percentile
kind	quantity
long name	None
var_name	percentile
standard_name	None
proposed_standard_name	quantile
value	90 %
percentile_condition
kind	operator
operator	>
reference_period
kind	time_range
data	1961/1990

csdi

Field	Description
Distribution	clix-meta-0.6.1
Long name	Cold Spell Duration Index, count of days with at least 6 consecutive days when Tmin < 10th percentile
Reference	ETCCDI
Default period	annual
Input
data	tasmin

Details

Field	Description
Index function	count_spell_duration
spell_threshold
kind	quantity
long name	Minimum spell duration
var_name	spell_threshold
standard_name	None
proposed_standard_name	None
value	6 days
spell_condition
kind	operator
operator	>=
percentile
kind	quantity
long name	None
var_name	percentile
standard_name	None
proposed_standard_name	quantile
value	10 %
percentile_condition
kind	operator
operator	<
reference_period
kind	time_range
data	1961/1990

csdi{ND}

Field	Description
Distribution	clix-meta-0.6.1
Long name	User-defined Cold Spell Duration Index, count of days with at least # consecutive days when Tmin < 10th percentile
Reference	ET-SCI
Default period	annual
Input
data	tasmin

Details

Field	Description
Index function	count_spell_duration
spell_threshold
kind	quantity
long name	Minimum spell duration
var_name	spell_threshold
standard_name	None
proposed_standard_name	None
value	{ND} days
spell_condition
kind	operator
operator	>=
percentile
kind	quantity
long name	None
var_name	percentile
standard_name	None
proposed_standard_name	quantile
value	10 %
percentile_condition
kind	operator
operator	<
reference_period
kind	time_range
data	1961/1990

tn10p

Field	Description
Distribution	clix-meta-0.6.1
Long name	Percentage of days when Tmin < 10th percentile
Reference	ETCCDI
Default period	annual
Input
data	tasmin

Details

Field	Description
Index function	count_percentile_occurrences
percentile
kind	quantity
long name	None
var_name	percentile
standard_name	None
proposed_standard_name	quantile
value	10 %
condition
kind	operator
operator	<
reference_period
kind	time_range
data	1961/1990

tx10p

Field	Description
Distribution	clix-meta-0.6.1
Long name	Percentage of days when Tmax < 10th percentile
Reference	ETCCDI
Default period	annual
Input
data	tasmax

Details

Field	Description
Index function	count_percentile_occurrences
percentile
kind	quantity
long name	None
var_name	percentile
standard_name	None
proposed_standard_name	quantile
value	10 %
condition
kind	operator
operator	<
reference_period
kind	time_range
data	1961/1990

tn90p

Field	Description
Distribution	clix-meta-0.6.1
Long name	Percentage of days when Tmin > 90th percentile
Reference	ETCCDI
Default period	annual
Input
data	tasmin

Details

Field	Description
Index function	count_percentile_occurrences
percentile
kind	quantity
long name	None
var_name	percentile
standard_name	None
proposed_standard_name	quantile
value	90 %
condition
kind	operator
operator	>
reference_period
kind	time_range
data	1961/1990

tx90p

Field	Description
Distribution	clix-meta-0.6.1
Long name	Percentage of days when Tmax > 90th percentile
Reference	ETCCDI
Default period	annual
Input
data	tasmax

Details

Field	Description
Index function	count_percentile_occurrences
percentile
kind	quantity
long name	None
var_name	percentile
standard_name	None
proposed_standard_name	quantile
value	90 %
condition
kind	operator
operator	>
reference_period
kind	time_range
data	1961/1990

tg10p

Field	Description
Distribution	clix-meta-0.6.1
Long name	Percentage of days when Tmean < 10th percentile
Reference	ECA&D
Default period	annual
Input
data	tas

Details

Field	Description
Index function	count_percentile_occurrences
percentile
kind	quantity
long name	None
var_name	percentile
standard_name	None
proposed_standard_name	quantile
value	10 %
condition
kind	operator
operator	<
reference_period
kind	time_range
data	1961/1990

tg90p

Field	Description
Distribution	clix-meta-0.6.1
Long name	Percentage of days when Tmean > 90th percentile
Reference	ECA&D
Default period	annual
Input
data	tas

Details

Field	Description
Index function	count_percentile_occurrences
percentile
kind	quantity
long name	None
var_name	percentile
standard_name	None
proposed_standard_name	quantile
value	90 %
condition
kind	operator
operator	>
reference_period
kind	time_range
data	1961/1990

txgt50p

Field	Description
Distribution	clix-meta-0.6.1
Long name	Percentage of days when Tmax > 50th percentile
Reference	ET-SCI
Default period	annual
Input
data	tasmax

Details

Field	Description
Index function	count_percentile_occurrences
percentile
kind	quantity
long name	None
var_name	percentile
standard_name	None
proposed_standard_name	quantile
value	50 %
condition
kind	operator
operator	>
reference_period
kind	time_range
data	1961/1990

txgt{PRC}p

Field	Description
Distribution	clix-meta-0.6.1
Long name	Percentage of days when Tmax > {PRC}th percentile
Reference	CLIPC
Default period	annual
Input
data	tasmax

Details

Field	Description
Index function	count_percentile_occurrences
percentile
kind	quantity
long name	None
var_name	percentile
standard_name	None
proposed_standard_name	quantile
value	{PRC} %
condition
kind	operator
operator	>
reference_period
kind	time_range
data	1961/1990

tngt{PRC}p

Field	Description
Distribution	clix-meta-0.6.1
Long name	Percentage of days when Tmin > {PRC}th percentile
Reference	CLIPC
Default period	annual
Input
data	tasmin

Details

Field	Description
Index function	count_percentile_occurrences
percentile
kind	quantity
long name	None
var_name	percentile
standard_name	None
proposed_standard_name	quantile
value	{PRC} %
condition
kind	operator
operator	>
reference_period
kind	time_range
data	1961/1990

tmgt{PRC}p

Field	Description
Distribution	clix-meta-0.6.1
Long name	Percentage of days when Tmean > {PRC}th percentile
Reference	CLIPC
Default period	annual
Input
data	tas

Details

Field	Description
Index function	count_percentile_occurrences
percentile
kind	quantity
long name	None
var_name	percentile
standard_name	None
proposed_standard_name	quantile
value	{PRC} %
condition
kind	operator
operator	>
reference_period
kind	time_range
data	1961/1990

txlt{PRC}p

Field	Description
Distribution	clix-meta-0.6.1
Long name	Percentage of days when Tmax < {PRC}th percentile
Reference	CLIPC
Default period	annual
Input
data	tasmax

Details

Field	Description
Index function	count_percentile_occurrences
percentile
kind	quantity
long name	None
var_name	percentile
standard_name	None
proposed_standard_name	quantile
value	{PRC} %
condition
kind	operator
operator	<
reference_period
kind	time_range
data	1961/1990

tnlt{PRC}p

Field	Description
Distribution	clix-meta-0.6.1
Long name	Percentage of days when Tmin < {PRC}th percentile
Reference	CLIPC
Default period	annual
Input
data	tasmin

Details

Field	Description
Index function	count_percentile_occurrences
percentile
kind	quantity
long name	None
var_name	percentile
standard_name	None
proposed_standard_name	quantile
value	{PRC} %
condition
kind	operator
operator	<
reference_period
kind	time_range
data	1961/1990

tmlt{PRC}p

Field	Description
Distribution	clix-meta-0.6.1
Long name	Percentage of days when Tmean < {PRC}th percentile
Reference	CLIPC
Default period	annual
Input
data	tas

Details

Field	Description
Index function	count_percentile_occurrences
percentile
kind	quantity
long name	None
var_name	percentile
standard_name	None
proposed_standard_name	quantile
value	{PRC} %
condition
kind	operator
operator	<
reference_period
kind	time_range
data	1961/1990

dtr

Field	Description
Distribution	clix-meta-0.6.1
Long name	Mean Diurnal Temperature Range
Reference	ETCCDI
Default period	monthly
Input
low_data	tasmin
high_data	tasmax

Details

Field	Description
Index function	diurnal_temperature_range
statistic
kind	reducer
reducer	mean

vdtr

Field	Description
Distribution	clix-meta-0.6.1
Long name	Mean day-to-day variation in Diurnal Temperature Range
Reference	ECA&D
Default period	monthly
Input
low_data	tasmin
high_data	tasmax

Details

Field	Description
Index function	interday_diurnal_temperature_range

etr

Field	Description
Distribution	clix-meta-0.6.1
Long name	Intra-period extreme temperature range
Reference	ECA&D
Default period	monthly
Input
low_data	tasmin
high_data	tasmax

Details

Field	Description
Index function	extreme_temperature_range

tx{PRC}pctl

Field	Description
Distribution	clix-meta-0.6.1
Long name	{PRC}th percentile of Tmax
Reference	CLIPC
Default period	annual
Input
data	tasmax

Details

Field	Description
Index function	percentile
percentiles
kind	quantity
long name	None
var_name	percentiles
standard_name	None
proposed_standard_name	quantile
value	{PRC} %

tn{PRC}pctl

Field	Description
Distribution	clix-meta-0.6.1
Long name	{PRC}th percentile of Tmin
Reference	CLIPC
Default period	annual
Input
data	tasmin

Details

Field	Description
Index function	percentile
percentiles
kind	quantity
long name	None
var_name	percentiles
standard_name	None
proposed_standard_name	quantile
value	{PRC} %

tm{PRC}pctl

Field	Description
Distribution	clix-meta-0.6.1
Long name	{PRC}th percentile of Tmean
Reference	CLIPC
Default period	annual
Input
data	tas

Details

Field	Description
Index function	percentile
percentiles
kind	quantity
long name	None
var_name	percentiles
standard_name	None
proposed_standard_name	quantile
value	{PRC} %

hd17

Field	Description
Distribution	clix-meta-0.6.1
Long name	Heating degree days (sum of 17C – Tmean, for days when Tmean < 17C)
Reference	ECA&D
Default period	annual
Input
data	tas

Details

Field	Description
Index function	temperature_sum
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	17 degree_Celsius
condition
kind	operator
operator	<

hddheat{TT}

Field	Description
Distribution	clix-meta-0.6.1
Long name	Heating Degree Days (sum of {TT}C - Tmean, for days when Tmean < {TT}C )
Reference	ET-SCI
Default period	annual
Input
data	tas

Details

Field	Description
Index function	temperature_sum
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	{TT} degree_Celsius
condition
kind	operator
operator	<

ddgt{TT}

Field	Description
Distribution	clix-meta-0.6.1
Long name	Degree Days above threshold {TT}C
Reference	CLIPC
Default period	annual
Input
data	tas

Details

Field	Description
Index function	temperature_sum
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	{TT} degree_Celsius
condition
kind	operator
operator	>

cddcold{TT}

Field	Description
Distribution	clix-meta-0.6.1
Long name	Cooling Degree Days (sum of Tmean – {TT}C, for days when Tmean > {TT}C)
Reference	ET-SCI
Default period	annual
Input
data	tas

Details

Field	Description
Index function	temperature_sum
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	{TT} degree_Celsius
condition
kind	operator
operator	>

ddlt{TT}

Field	Description
Distribution	clix-meta-0.6.1
Long name	Degree Days below threshold {TT}C
Reference	CLIPC
Default period	annual
Input
data	tas

Details

Field	Description
Index function	temperature_sum
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	{TT} degree_Celsius
condition
kind	operator
operator	<

gddgrow{TT}

Field	Description
Distribution	clix-meta-0.6.1
Long name	Annual Growing Degree Days (sum of Tmean – {TT}C, for days when Tmean > {TT}C)
Reference	ET-SCI
Default period	annual
Input
data	tas

Details

Field	Description
Index function	temperature_sum
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	{TT} degree_Celsius
condition
kind	operator
operator	>

gd4

Field	Description
Distribution	clix-meta-0.6.1
Long name	Growing degree days (sum of Tmean – 4C, for days when Tmean > 4C)
Reference	ECA&D
Default period	annual
Input
data	tas

Details

Field	Description
Index function	temperature_sum
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	4 degree_Celsius
condition
kind	operator
operator	>

gsl

Field	Description
Distribution	clix-meta-0.6.1
Long name	ETCCDI Growing Season Length (Tmean > 5C)
Reference	ETCCDI
Default period	annual
Input
data	tas

Details

Field	Description
Index function	season_length
start_duration
kind	quantity
long name	Spell duration for initiating the growing season
var_name	start_duration
standard_name	None
proposed_standard_name	None
value	6 days
start_threshold
kind	quantity
long name	Temperature threshold for initiating the growing season
var_name	start_threshold
standard_name	air_temperature
proposed_standard_name	None
value	5 degree_Celsius
start_condition
kind	operator
operator	>
start_delay
kind	quantity
long name	None
var_name	start_delay
standard_name	None
proposed_standard_name	None
value	0 days
end_duration
kind	quantity
long name	Spell duration for ending the growing season
var_name	end_duration
standard_name	None
proposed_standard_name	None
value	6 days
end_threshold
kind	quantity
long name	Temperature threshold for ending the growing season
var_name	end_threshold
standard_name	air_temperature
proposed_standard_name	None
value	5 degree_Celsius
end_condition
kind	operator
operator	<
end_delay
kind	quantity
long name	None
var_name	end_delay
standard_name	None
proposed_standard_name	None
value	182 days

gsstart

Field	Description
Distribution	clix-meta-0.6.1
Long name	Start of ETCCDI Growing Season (6 days with Tmean > 5C)
Reference	CLIPC
Default period	annual
Input
data	tas

Details

Field	Description
Index function	season_start
threshold
kind	quantity
long name	Temperature threshold for initiating the growing season
var_name	start_threshold
standard_name	air_temperature
proposed_standard_name	None
value	5 degree_Celsius
condition
kind	operator
operator	>
duration
kind	quantity
long name	Spell duration for initiating the growing season
var_name	start_duration
standard_name	None
proposed_standard_name	None
value	6 days
delay
kind	quantity
long name	None
var_name	start_delay
standard_name	None
proposed_standard_name	None
value	0 days

gsend

Field	Description
Distribution	clix-meta-0.6.1
Long name	End of ETCCDI Growing Season (6 days with Tmean < 5C)
Reference	CLIPC
Default period	annual
Input
data	tas

Details

Field	Description
Index function	season_end
start_duration
kind	quantity
long name	Spell duration for initiating the growing season
var_name	start_duration
standard_name	None
proposed_standard_name	None
value	6 days
start_threshold
kind	quantity
long name	Temperature threshold for initiating the growing season
var_name	start_threshold
standard_name	air_temperature
proposed_standard_name	None
value	5 degree_Celsius
start_condition
kind	operator
operator	>
start_delay
kind	quantity
long name	None
var_name	start_delay
standard_name	None
proposed_standard_name	None
value	0 days
end_duration
kind	quantity
long name	Spell duration for ending the growing season
var_name	end_duration
standard_name	None
proposed_standard_name	None
value	6 days
end_threshold
kind	quantity
long name	Temperature threshold for ending the growing season
var_name	end_threshold
standard_name	air_temperature
proposed_standard_name	None
value	5 degree_Celsius
end_condition
kind	operator
operator	<
end_delay
kind	quantity
long name	None
var_name	end_delay
standard_name	None
proposed_standard_name	None
value	182 days

r10mm

Field	Description
Distribution	clix-meta-0.6.1
Long name	Number of heavy precipitation days (Precip >=10mm)
Reference	ETCCDI
Default period	annual
Input
data	pr

Details

Field	Description
Index function	count_occurrences
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	lwe_precipitation_rate
proposed_standard_name	None
value	10 mm day-1
condition
kind	operator
operator	>=

r20mm

Field	Description
Distribution	clix-meta-0.6.1
Long name	Number of very heavy precipitation days (Precip >= 20mm)
Reference	ETCCDI
Default period	annual
Input
data	pr

Details

Field	Description
Index function	count_occurrences
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	lwe_precipitation_rate
proposed_standard_name	None
value	20 mm day-1
condition
kind	operator
operator	>=

r{RT}mm

Field	Description
Distribution	clix-meta-0.6.1
Long name	Number of days with daily Precip >= {RT}mm)
Reference	ETCCDI
Default period	annual
Input
data	pr

Details

Field	Description
Index function	count_occurrences
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	lwe_precipitation_rate
proposed_standard_name	None
value	{RT} mm day-1
condition
kind	operator
operator	>=

wetdays

Field	Description
Distribution	clix-meta-0.6.1
Long name	Number of Wet Days (precip >= 1 mm)
Reference	CLIPC
Default period	annual
Input
data	pr

Details

Field	Description
Index function	count_occurrences
threshold
kind	quantity
long name	Wet day threshold
var_name	threshold
standard_name	lwe_precipitation_rate
proposed_standard_name	None
value	1 mm day-1
condition
kind	operator
operator	>=

rr1

Field	Description
Distribution	clix-meta-0.6.1
Long name	Number of Wet Days (precip >= 1 mm)
Reference	ECA&D
Default period	annual
Input
data	pr

Details

Field	Description
Index function	count_occurrences
threshold
kind	quantity
long name	Wet day threshold
var_name	threshold
standard_name	lwe_precipitation_rate
proposed_standard_name	None
value	1 mm day-1
condition
kind	operator
operator	>=

cdd

Field	Description
Distribution	clix-meta-0.6.1
Long name	Maximum consecutive dry days (Precip < 1mm)
Reference	ETCCDI
Default period	annual
Input
data	pr

Details

Field	Description
Index function	spell_length
threshold
kind	quantity
long name	Wet day threshold
var_name	threshold
standard_name	lwe_precipitation_rate
proposed_standard_name	None
value	1 mm day-1
condition
kind	operator
operator	<
statistic
kind	reducer
reducer	max

cwd

Field	Description
Distribution	clix-meta-0.6.1
Long name	Maximum consecutive wet days (Precip >= 1mm)
Reference	ETCCDI
Default period	annual
Input
data	pr

Details

Field	Description
Index function	spell_length
threshold
kind	quantity
long name	Wet day threshold
var_name	threshold
standard_name	lwe_precipitation_rate
proposed_standard_name	None
value	1 mm day-1
condition
kind	operator
operator	>=
statistic
kind	reducer
reducer	max

prcptot

Field	Description
Distribution	clix-meta-0.6.1
Long name	Total precipitation during Wet Days
Reference	ETCCDI
Default period	annual
Input
data	pr

Details

Field	Description
Index function	thresholded_statistics
threshold
kind	quantity
long name	Wet day threshold
var_name	threshold
standard_name	lwe_precipitation_rate
proposed_standard_name	None
value	1 mm day-1
condition
kind	operator
operator	>=
statistic
kind	reducer
reducer	sum

sdii

Field	Description
Distribution	clix-meta-0.6.1
Long name	Average precipitation during Wet Days (SDII)
Reference	ETCCDI
Default period	annual
Input
data	pr

Details

Field	Description
Index function	thresholded_statistics
threshold
kind	quantity
long name	Wet day threshold
var_name	threshold
standard_name	lwe_precipitation_rate
proposed_standard_name	None
value	1 mm day-1
condition
kind	operator
operator	>=
statistic
kind	reducer
reducer	mean

r{PRC}pctl

Field	Description
Distribution	clix-meta-0.6.1
Long name	{PRC}th percentile of precipitation during wet days (Precip >= 1mm)
Reference	CLIPC
Default period	annual
Input
data	pr

Details

Field	Description
Index function	thresholded_percentile
threshold
kind	quantity
long name	Wet day threshold
var_name	threshold
standard_name	lwe_precipitation_rate
proposed_standard_name	None
value	1 mm day-1
condition
kind	operator
operator	>=
percentiles
kind	quantity
long name	None
var_name	percentiles
standard_name	None
proposed_standard_name	quantile
value	{PRC} %

r{PRC}pSUM

Field	Description
Distribution	clix-meta-0.6.1
Long name	Total precipitation amount from days above the {PRC}th percentile
Reference	2022 Ad hoc group
Default period	annual
Input
data	pr

Details

Field	Description
Index function	count_thresholded_percentile_occurrences
data_threshold
kind	quantity
long name	Wet day threshold
var_name	data_threshold
standard_name	lwe_precipitation_rate
proposed_standard_name	None
value	1 mm day-1
data_condition
kind	operator
operator	>=
percentile
kind	quantity
long name	Percentile value
var_name	percentile
standard_name	None
proposed_standard_name	quantile
value	{PRC} %
percentile_condition
kind	operator
operator	>
reference_period
kind	time_range
data	1961/1990

r{PRC}pPCT

Field	Description
Distribution	clix-meta-0.6.1
Long name	Percentage of total precipitation amount from days above the {PRC}th percentile
Reference	2022 Ad hoc group
Default period	annual
Input
data	pr

Details

Field	Description
Index function	count_thresholded_percentile_occurrences
data_threshold
kind	quantity
long name	Wet day threshold
var_name	data_threshold
standard_name	lwe_precipitation_rate
proposed_standard_name	None
value	1 mm day-1
data_condition
kind	operator
operator	>=
percentile
kind	quantity
long name	Percentile value
var_name	percentile
standard_name	None
proposed_standard_name	quantile
value	{PRC} %
percentile_condition
kind	operator
operator	>
reference_period
kind	time_range
data	1961/1990

r{PRC}pDAYS

Field	Description
Distribution	clix-meta-0.6.1
Long name	Number of days when precipitation is above the {PRC}th percentile
Reference	2022 Ad hoc group
Default period	annual
Input
data	pr

Details

Field	Description
Index function	count_thresholded_percentile_occurrences
data_threshold
kind	quantity
long name	Wet day threshold
var_name	data_threshold
standard_name	lwe_precipitation_rate
proposed_standard_name	None
value	1 mm day-1
data_condition
kind	operator
operator	>=
percentile
kind	quantity
long name	Percentile value
var_name	percentile
standard_name	None
proposed_standard_name	quantile
value	{PRC} %
percentile_condition
kind	operator
operator	>
reference_period
kind	time_range
data	1961/1990

rx1day

Field	Description
Distribution	clix-meta-0.6.1
Long name	Maximum 1-day precipitation
Reference	ETCCDI
Default period	annual
Input
data	pr

Details

Field	Description
Index function	thresholded_statistics
threshold
kind	quantity
long name	Wet day threshold
var_name	threshold
standard_name	lwe_precipitation_rate
proposed_standard_name	None
value	1 mm day-1
condition
kind	operator
operator	>=
statistic
kind	reducer
reducer	max

rx5day

Field	Description
Distribution	clix-meta-0.6.1
Long name	Maximum 5-day precipitation
Reference	ETCCDI
Default period	annual
Input
data	pr

Details

Field	Description
Index function	thresholded_running_statistics
threshold
kind	quantity
long name	Wet day threshold
var_name	threshold
standard_name	lwe_precipitation_rate
proposed_standard_name	None
value	1 mm day-1
condition
kind	operator
operator	>=
rolling_aggregator
kind	reducer
reducer	sum
window_size
kind	quantity
long name	None
var_name	window_size
standard_name	None
proposed_standard_name	temporal_window_size
value	5 day
overall_statistic
kind	reducer
reducer	max

rx{ND}day

Field	Description
Distribution	clix-meta-0.6.1
Long name	Maximum {ND}-day precipitation
Reference	ET-SCI
Default period	annual
Input
data	pr

Details

Field	Description
Index function	thresholded_running_statistics
threshold
kind	quantity
long name	Wet day threshold
var_name	threshold
standard_name	lwe_precipitation_rate
proposed_standard_name	None
value	1 mm day-1
condition
kind	operator
operator	>=
rolling_aggregator
kind	reducer
reducer	sum
window_size
kind	quantity
long name	None
var_name	window_size
standard_name	None
proposed_standard_name	temporal_window_size
value	{ND} day
overall_statistic
kind	reducer
reducer	max

rh

Field	Description
Distribution	clix-meta-0.6.1
Long name	Mean of daily relative humidity
Reference	ECA&D
Default period	monthly
Input
data	hurs

Details

Field	Description
Index function	statistics
statistic
kind	reducer
reducer	mean

rr

Field	Description
Distribution	clix-meta-0.6.1
Long name	Precipitation sum
Reference	ECA&D
Default period	monthly
Input
data	pr

Details

Field	Description
Index function	thresholded_statistics
threshold
kind	quantity
long name	Wet day threshold
var_name	threshold
standard_name	lwe_precipitation_rate
proposed_standard_name	None
value	1 mm day-1
condition
kind	operator
operator	>=
statistic
kind	reducer
reducer	sum

pp

Field	Description
Distribution	clix-meta-0.6.1
Long name	Mean of daily sea level pressure
Reference	ECA&D
Default period	monthly
Input
data	psl

Details

Field	Description
Index function	statistics
statistic
kind	reducer
reducer	mean

tg

Field	Description
Distribution	clix-meta-0.6.1
Long name	Mean of daily mean temperature
Reference	ECA&D
Default period	monthly
Input
data	tas

Details

Field	Description
Index function	statistics
statistic
kind	reducer
reducer	mean

tn

Field	Description
Distribution	clix-meta-0.6.1
Long name	Mean of daily minimum temperature
Reference	ECA&D
Default period	monthly
Input
data	tasmin

Details

Field	Description
Index function	statistics
statistic
kind	reducer
reducer	mean

tx

Field	Description
Distribution	clix-meta-0.6.1
Long name	Mean of daily maximum temperature
Reference	ECA&D
Default period	monthly
Input
data	tasmax

Details

Field	Description
Index function	statistics
statistic
kind	reducer
reducer	mean

sd

Field	Description
Distribution	clix-meta-0.6.1
Long name	Mean of daily snow depth
Reference	ECA&D
Default period	monthly
Input
data	snd

Details

Field	Description
Index function	statistics
statistic
kind	reducer
reducer	mean

sd1

Field	Description
Distribution	clix-meta-0.6.1
Long name	Snow days (SD >= 1 cm)
Reference	ECA&D
Default period	monthly
Input
data	snd

Details

Field	Description
Index function	count_occurrences
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	surface_snow_thickness
proposed_standard_name	None
value	1 cm
condition
kind	operator
operator	>=

sd5cm

Field	Description
Distribution	clix-meta-0.6.1
Long name	Number of days with snow depth >= 5 cm
Reference	ECA&D
Default period	monthly
Input
data	snd

Details

Field	Description
Index function	count_occurrences
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	surface_snow_thickness
proposed_standard_name	None
value	5 cm
condition
kind	operator
operator	>=

sd50cm

Field	Description
Distribution	clix-meta-0.6.1
Long name	Number of days with snow depth >= 50 cm
Reference	ECA&D
Default period	monthly
Input
data	snd

Details

Field	Description
Index function	count_occurrences
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	surface_snow_thickness
proposed_standard_name	None
value	50 cm
condition
kind	operator
operator	>=

sd{D}cm

Field	Description
Distribution	clix-meta-0.6.1
Long name	Number of days with snow depth >= {D} cm
Reference	ECA&D
Default period	monthly
Input
data	snd

Details

Field	Description
Index function	count_occurrences
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	surface_snow_thickness
proposed_standard_name	None
value	{D} cm
condition
kind	operator
operator	>=

ss

Field	Description
Distribution	clix-meta-0.6.1
Long name	Sunshine duration, sum
Reference	ECA&D
Default period	monthly
Input
data	sund

Details

Field	Description
Index function	statistics
statistic
kind	reducer
reducer	sum

fxx

Field	Description
Distribution	clix-meta-0.6.1
Long name	Maximum value of daily maximum wind gust strength
Reference	ECA&D
Default period	monthly
Input
data	wsgsmax

Details

Field	Description
Index function	statistics
statistic
kind	reducer
reducer	max

fg6bft

Field	Description
Distribution	clix-meta-0.6.1
Long name	Days with daily averaged wind strength >= 6 Bft (>=10.8 m/s)
Reference	ECA&D
Default period	monthly
Input
data	sfcWind

Details

Field	Description
Index function	count_occurrences
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	wind_speed
proposed_standard_name	None
value	10.8 meter second-1
condition
kind	operator
operator	>=

fgcalm

Field	Description
Distribution	clix-meta-0.6.1
Long name	Calm days (daily mean wind strength <= 2 m/s)
Reference	ECA&D
Default period	monthly
Input
data	sfcWind

Details

Field	Description
Index function	count_occurrences
threshold
kind	quantity
long name	None
var_name	threshold
standard_name	wind_speed
proposed_standard_name	None
value	2 meter second-1
condition
kind	operator
operator	<=

fg

Field	Description
Distribution	clix-meta-0.6.1
Long name	Mean of daily mean wind strength
Reference	ECA&D
Default period	monthly
Input
data	sfcWind

Details

Field	Description
Index function	statistics
statistic
kind	reducer
reducer	mean

CD

Field	Description
Distribution	clix-meta-0.6.1
Long name	Days with TG < 25th percentile of daily mean temperature and RR < 25th percentile of daily precipitation sum (cold/dry days)
Reference	ECA&D
Default period	annual
Input
temp_data	tas
precip_data	pr

Details

Field	Description
Index function	count_bivariate_percentile_occurrences
temp_percentile
kind	quantity
long name	Percentile value for temperature threshold
var_name	temp_percentile
standard_name	None
proposed_standard_name	quantile
value	25 %
temp_percentile_condition
kind	operator
operator	<
precip_data_threshold
kind	quantity
long name	Wet day threshold
var_name	precip_data_threshold
standard_name	lwe_precipitation_rate
proposed_standard_name	None
value	1 mm day-1
precip_data_condition
kind	operator
operator	>=
precip_percentile
kind	quantity
long name	Percentile value for precipitation threshold
var_name	precip_percentile
standard_name	None
proposed_standard_name	quantile
value	25 %
precip_percentile_condition
kind	operator
operator	<
reference_period
kind	time_range
data	1961/1990

CW

Field	Description
Distribution	clix-meta-0.6.1
Long name	Days with TG < 25th percentile of daily mean temperature and RR > 75th percentile of daily precipitation sum (cold/wet days)
Reference	ECA&D
Default period	annual
Input
temp_data	tas
precip_data	pr

Details

Field	Description
Index function	count_bivariate_percentile_occurrences
temp_percentile
kind	quantity
long name	Percentile value for temperature threshold
var_name	temp_percentile
standard_name	None
proposed_standard_name	quantile
value	25 %
temp_percentile_condition
kind	operator
operator	<
precip_data_threshold
kind	quantity
long name	Wet day threshold
var_name	precip_data_threshold
standard_name	lwe_precipitation_rate
proposed_standard_name	None
value	1 mm day-1
precip_data_condition
kind	operator
operator	>=
precip_percentile
kind	quantity
long name	Percentile value for precipitation threshold
var_name	precip_percentile
standard_name	None
proposed_standard_name	quantile
value	75 %
precip_percentile_condition
kind	operator
operator	>
reference_period
kind	time_range
data	1961/1990

WD

Field	Description
Distribution	clix-meta-0.6.1
Long name	Days with TG > 75th percentile of daily mean temperature and RR < 25th percentile of daily precipitation sum (warm/dry days)
Reference	ECA&D
Default period	annual
Input
temp_data	tas
precip_data	pr

Details

Field	Description
Index function	count_bivariate_percentile_occurrences
temp_percentile
kind	quantity
long name	Percentile value for temperature threshold
var_name	temp_percentile
standard_name	None
proposed_standard_name	quantile
value	75 %
temp_percentile_condition
kind	operator
operator	>
precip_data_threshold
kind	quantity
long name	Wet day threshold
var_name	precip_data_threshold
standard_name	lwe_precipitation_rate
proposed_standard_name	None
value	1 mm day-1
precip_data_condition
kind	operator
operator	>=
precip_percentile
kind	quantity
long name	Percentile value for precipitation threshold
var_name	precip_percentile
standard_name	None
proposed_standard_name	quantile
value	25 %
precip_percentile_condition
kind	operator
operator	<
reference_period
kind	time_range
data	1961/1990

WW

Field	Description
Distribution	clix-meta-0.6.1
Long name	Days with TG > 75th percentile of daily mean temperature and RR > 75th percentile of daily precipitation sum (warm/wet days)
Reference	ECA&D
Default period	annual
Input
temp_data	tas
precip_data	pr

Details

Field	Description
Index function	count_bivariate_percentile_occurrences
temp_percentile
kind	quantity
long name	Percentile value for temperature threshold
var_name	temp_percentile
standard_name	None
proposed_standard_name	quantile
value	75 %
temp_percentile_condition
kind	operator
operator	>
precip_data_threshold
kind	quantity
long name	Wet day threshold
var_name	precip_data_threshold
standard_name	lwe_precipitation_rate
proposed_standard_name	None
value	1 mm day-1
precip_data_condition
kind	operator
operator	>=
precip_percentile
kind	quantity
long name	Percentile value for precipitation threshold
var_name	precip_percentile
standard_name	None
proposed_standard_name	quantile
value	75 %
precip_percentile_condition
kind	operator
operator	>
reference_period
kind	time_range
data	1961/1990

nzero

Field	Description
Distribution	clix-meta-0.6.1
Long name	Number of zero-crossing days (days when Tmin < 0 degC < Tmax)
Reference	SMHI
Default period	annual
Input
low_data	tasmin
high_data	tasmax

Details

Field	Description
Index function	count_level_crossings
threshold
kind	quantity
long name	Level crossing value for daily air temperature
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	0 degree_Celsius

faf

Field	Description
Distribution	clix-meta-0.6.1
Long name	First Autumn Frost (day-of-year during Jul-Dec when Tmin < 0 degC)
Reference	B4EST
Default period	annual[jasond]
Input
data	tasmin

Details

Field	Description
Index function	first_occurrence
threshold
kind	quantity
long name	Threshold temperature for frost
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	0 degree_Celsius
condition
kind	operator
operator	<

lsf

Field	Description
Distribution	clix-meta-0.6.1
Long name	Last Spring Frost (day-of-year during Jan-Jun when Tmin < 0 degC)
Reference	B4EST
Default period	annual[jfmamj]
Input
data	tasmin

Details

Field	Description
Index function	last_occurrence
threshold
kind	quantity
long name	Threshold temperature for frost
var_name	threshold
standard_name	air_temperature
proposed_standard_name	None
value	0 degree_Celsius
condition
kind	operator
operator	<

maxdtr

Field	Description
Distribution	clix-meta-0.6.1
Long name	Maximum Diurnal Temperature Range
Reference	SMHI
Default period	monthly
Input
low_data	tasmin
high_data	tasmax

Details

Field	Description
Index function	diurnal_temperature_range
statistic
kind	reducer
reducer	max

SMHI_extra (1.0)

tngt0rrge1

Field	Description
Distribution	SMHI_extra-1.0
Long name	Number of days with rain and temperatures above zero degrees (days when pr >= 1 and Tmin > 0)
Reference	SMHI
Default period	annual
Input
temp_data	tasmin
precip_data	pr

Details

Field	Description
Index function	count_joint_occurrences_precipitation_temperature
threshold_precip_data
kind	quantity
long name	Wet day threshold
var_name	threshold_precip_data
standard_name	lwe_precipitation_rate
proposed_standard_name	None
value	1 mm day-1
threshold_temp_data
kind	quantity
long name	Level crossing value for daily air temperature
var_name	threshold_temp_data
standard_name	air_temperature
proposed_standard_name	None
value	0 degree_Celsius
condition_precip_data
kind	operator
operator	>=
condition_temp_data
kind	operator
operator	>

txgt13lt18

Field	Description
Distribution	SMHI_extra-1.0
Long name	Number of days with daily maximum temperature above thirteen degC and below eighteen degC (13 < Tmax < 18)
Reference	SMHI
Default period	annual
Input
data	tasmax

Details

Field	Description
Index function	count_joint_occurrences_temperature
threshold_low_data
kind	quantity
long name	Level crossing value for daily air temperature, low_data threshold
var_name	threshold_low_data
standard_name	air_temperature
proposed_standard_name	None
value	13 degree_Celsius
threshold_high_data
kind	quantity
long name	Level crossing value for daily air temperature, high_data threshold
var_name	threshold_high_data
standard_name	air_temperature
proposed_standard_name	None
value	18 degree_Celsius
condition_low_data
kind	operator
operator	>
condition_high_data
kind	operator
operator	<