Met Office Hadley Centre observations datasets
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HadEX2 Data: download

Precise definitions of the indices can be found at http://cccma.seos.uvic.ca/ETCCDI/.

NOTE: This is a mirror of the data held at the www.climdex.org website.

NOTE: Data files updated to latest version - includes correction of errors source data formats (ETR & monthly TX90p, TX10p, TN90p, TN10p) and SDII calculation (18 September 2014)

IndexDescriptionData fileSizeNotes
Temperature related indices
1FD Number of frost days (TN< 0°C)HadEX2_FD_1901-2010.nc ~3M
2SU Number of summer days (TX>25°C)HadEX2_SU_1901-2010.nc ~3M
3ID Number of icing days (TX< 0°C) HadEX2_ID_1901-2010.nc ~3M
4TR Number of tropical nights (TN> 20°C)HadEX2_TR_1901-2010.nc ~3M
5GSL Growing season lengthHadEX2_GSL_1901-2010.nc ~3M
6TXx Maximum value of daily maximum temperature HadEX2_TXx_1901-2010.nc ~39M
7TNx Maximum value of daily minimum temperature HadEX2_TNx_1901-2010.nc ~39M
8TXn Minimum value of daily maximum temperature HadEX2_TXn_1901-2010.nc ~39M
9TNn Minimum value of daily minimum temperature HadEX2_TNn_1901-2010.nc ~39M
10TN10p Percentage of days when TN < 10th percentile HadEX2_TN10p_1901-2010.nc ~39M
11TX10p Percentage of days when TX < 10th percentile HadEX2_TX10p_1901-2010.nc ~39M
12TN90p Percentage of days when TN > 90th percentile HadEX2_TN90p_1901-2010.nc ~39M
13TX90p Percentage of days when TX > 90th percentile HadEX2_TX90p_1901-2010.nc ~39M
14WSDI Warm spell duration indicator HadEX2_WSDI_1901-2010.nc ~3M
15CSDI Cold spell duration indicator HadEX2_CSDI_1901-2010.nc ~3M
16DTR Diurnal temperature range HadEX2_DTR_1901-2010.nc ~39M
17ETR Extreme temperature range HadEX2_ETR_1901-2010.nc ~39M
Precipitation related indices
18Rx1day Maximum 1-day precipitation amount HadEX2_Rx1day_1901-2010.nc ~39M
19Rx5day Maximum consecutive 5-day precipitation amountHadEX2_Rx5day_1901-2010.nc ~39M
20SDII Simple daily intensity index HadEX2_SDII_1901-2010.nc ~3M
21R10mm Annual count of days when PRCP≥ 10mm HadEX2_R10mm._1901-2010.nc ~3M
22R20mm Annual count of days when PRCP≥ 20mm HadEX2_R20mm_1901-2010.nc ~3M
23CDD Maximum length of dry spell, maximum number of consecutive days with RR < 1mmHadEX2_CDD_1901-2010.nc ~3M
24CWD Maximum length of wet spell, maximum number of consecutive days with RR≥ 1mmHadEX2_CWD_1901-2010.nc ~3M
25R95pVery wet daysHadEX2_R95p_1901-2010.nc ~3M
26R95pTOTContribution to very wet daysHadEX2_R95pTOT_1901-2010.nc ~3M
27R99pExtremely wet daysHadEX2_R99p_1901-2010.nc ~3M
28R99pTOTContribution to extremely wet daysHadEX2_R99pTOT_1901-2010.nc ~3M
29PRCPTOT Annual total wet-day precipitationHadEX2_PRCPTOT_1901-2010.nc ~3M



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