| Index | Descriptive name | Definition | Unit |
Temperature | TXx | Warmest day | Annual highest TX | ˚C |
TNx | Warmest night | Annual highest TN | ˚C | |
TXn | Coldest day | Annual lowest TX | ˚C | |
TNn | Coldest night | Annual lowest TN | ˚C | |
TN10p | Cold night frequency | Percentage of days when TN < 10th percentile of 1961-1990 | d | |
TX10p | Cold day frequency | Percentage of days when TX < 10th percentile of 1961-1990 | d | |
TN90p | Warm night frequency | Percentage of days when TN > 90th percentile of 1961-1990 | d | |
TX90p | Warm day frequency | Percentage of days when TX > 90th percentile of 1961-1990 | d | |
FD | Frost days | Annual count when TN < 0˚C | d | |
ID | Ice days | Annual count when TX < 0˚C | d | |
SU25 | Summer days | the highest temperature is over 25˚C day number | d | |
DTR | Diurnal temperature range | Annual mean difference between TX and TN | ˚C | |
Precipitation | SDII | Simple daily intensity index | Average precipitation on wet days | Mm/d |
PRCPTOT | Wet day precipitation | Annual total precipitation from wet days | mm | |
RX1day | Maximum 1-day precipitation | Annual maximum 1-day precipitation | mm | |
RX5day | Maximum 5-day precipitation | Annual maximum consecutive 5-day precipitation | mm | |
CDD | Consecutive dry days | Maximum number of consecutive dry days | d | |
CWD | Consecutive wet days | Maximum number of consecutive wet days | d | |
R95p | Very wet day precipitation | Annual total precipitation when RR > 95th percentile of 1961-1990 daily precipitation | mm |