Spatiotemporal Variability and Trends in Rainfall and Temperature in South Ethiopia: Implications for Climate Change Adaptations in Rural Communities

Table 2

Description of climate extreme indices [55].

Indices	Name description	Explanations	Units
Precipitation and temperature indices
PRCPTOT	Annual total wet-day precipitation	Total annual precipitation in days ≥1 mm	mm
R95p	Very wet days	Precipitation totals annually from the days with daily RF > 95th percentile	mm
R99p	Extremely wet days	Annualized precipitation on days with a daily RF > 99th percentile	mm
R20mm	Number of very heavy precipitation days	Annual counts of days when rainfall ≥20 mm	days
R10mm	Number of heavy precipitation days	Annual counts of days when rainfall ≥10 mm	days
RX1day	Max 1-day precipitation amount	Annual maximum 1-day precipitation	mm
RX5day	Max 5-day precipitation amount	Annual maximum consecutive 5-day rainfall	mm
CWD	Consecutive wet days	Maximum number of consecutive days with RF ≥ 1 mm	days
CDD	Consecutive dry days	Maximum number of consecutive days with RF < 1 mm	days
SDII	Simple daily intensity index	Annual total rainfall when (PRCP ≥1 mm) divided by the number of wet days	mm/day
TX90p	Warm days	Percentage of days when Tmax > 90th percentile	days
TN90p	Warm nights	Percentage of days when Tmin > 90th percentile	days
TX10p	Cool days	Percentage of days when Tmax < 10th percentile	days
TN10p	Cool night	Percentage of days when Tmin < 10th percentile	days
TXx	Warmest day	Annual maximum value of the daily max temperature	^oC
TNx	Warmest night	Annual maximum value of daily min temperature	^oC
WSD1	Warm spell duration	Annual count of days with at least 6 consecutive days with Tmax >90th percentile	days