Indices | Definition |
Maximum Temperature | |
TMAXmean | Mean maximum temperature [˚C] |
SU30 | Annual count of days when TX ≥ 30˚C [days] |
TX10p | Percentage of days when TX < 10th percentile [%days] |
TX90p | Percentage of days when TX > 90th percentile [%days] |
TXn | Annual minimum value of daily TX [˚C] |
TXx | Annual maximum value of daily TX [˚C] |
WSDI | Warm spell duration index – Annual count of days with at least 6 consecutive days when TX > 90th percentile [days] |
Minimum Temperature | |
TMINmean | Mean minimum temperature [˚C] |
TR20 | Annual count of days when TN ≥ 20˚C [days] |
TN10p | Percentage of days when TN < 10th percentile [%days] |
TN90p | Percentage of days when TN > 90th percentile [%days] |
TNn | Annual minimum value of daily TN [˚C] |
TNx | Annual maximum value of daily TN [˚C] |
CSDI | Cold spell duration index – Annual count of days with at least 6 consecutive days when TN < 10th percentile [days] |
DTR | Daily temperature range [˚C] |
Precipitation | |
PRCPTOT | Annual total precipitation [mm] |
R10mm | Annual count of days when PRCP ≥ 10 mm [days] |
R30mm | Annual count of days when PRCP ≥ 30 mm [days] |
R95p | Annual total PRCP when daily PRCP > 95th percentile [mm] |
R99p | Annual total PRCP when daily PRCP > 99th percentile [mm] |
RX1day | Annual maximum 1-day precipitation [mm] |
RX5day | Annual maximum consecutive 5-day precipitation [mm] |
SDII | Simple precipitation intensity index – PRCPTOT/wet days [mm·day−1] |
CDD | Consecutive dry days – Maximum number of consecutive days with PRCP < 1 mm [days] |
CWD | Consecutive wet days – Maximum number of consecutive days with PRCP > 1 mm [days] |