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ID | Indicator name | Definition | Unit |
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Temperature indices |
SU | Summer days | Annual count when daily max temperature (TX) > 35°C | Days |
TR | Tropical nights | Annual count when daily minitemperature (TN) > 25°C | Days |
TXx | Hottest day | Monthly maximum value of daily max temperature | °C |
TNx | Warmest night | Monthly maximum value of daily min temperature | °C |
TXn | Coldest day | Monthly minimum value of daily max temperature | °C |
TNn | Coldest night | Monthly minimum value of daily min temperature | °C |
TN10p | Cool nights | Percentage of days when TN < 10th percentile | Days |
TX10p | Cool days | Percentage of days when TX < 10th percentile | Days |
TN90p | Warm nights | Percentage of days when TN > 90th percentile | Days |
TX90p | Warm days | Percentage of days when TX > 90th percentile | Days |
DTR | Diurnal temp range | Monthly mean difference between TX and TN | °C |
WSDI | Warm spell duration index | Annual count of days with at least 6 consecutive days when TX > 90th percentile | Days |
CSDI | Cold spell duration index | Annual count of days with at least 6 consecutive days when TN < 10th percentile | Days |
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Rainfall indices |
CDD | Consecutive dry days | Maximum number of consecutive days with RR < 1 mm | Days |
CWD | Consecutive wet days | Maximum number of consecutive days with RR ≥ 1 mm | Days |
PRCPTOT | Annual total rainfall | Annual total rainfall (RR ≥ 1 mm) | mm |
R10 | Moderate rainy days | Annual count of days when PRCP ≥ 10 mm | Days |
R20 | Heavy rainy days | Annual count of days when PRCP ≥ 20 mm | Days |
R100 | Very heavy rainy days | Annual count of days when PRCP ≥ 100 mm, 100 is user defined threshold | Days |
R95p | Very wet days | Annual total PRCP when RR > 95th percentile | mm |
R99p | Extremely wet days | Annual total PRCP when RR > 99th percentile | mm |
RX1day | Max 1-day rainfall amount | Monthly maximum 1-day rainfall | mm |
Rx5day | Max 5-day rainfall amount | Monthly maximum consecutive 5-day rainfall | mm |
SDII | Simple daily intensity index | The ratio of annual total rainfall to the number of wet days (≥1 mm) | mm/day |
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