Table 1. Definition of climate extreme... | Emerald Publishing

Table 1.

Definition of climate extreme indices

Category	Index	Description	Definition	Unit
Temperature extremes	TXx	Hottest days	Annual maximum value of daily maximum temperature	°C
	TNn	Coolest days	Annual minimum value of daily maximum temperature	°C
	WSDI	Warm spell duration	Annual count of days with at least six consecutive days when TX > 90th percentile	Days
	CSDI	Cold spell duration	Annual count of days with at least six consecutive days when TN < 10th percentile	Days
Precipitation extremes	CDD	Consecutive dry days	Maximum number of consecutive days when precipitation < 1 mm	Days
Precipitation extremes	RX5day	Wettest consecutive five days	Maximum of consecutive 5-day (cumulative) precipitation amount	Mm

Category	Index	Description	Definition	Unit
Temperature extremes	TXx	Hottest days	Annual maximum value of daily maximum temperature	°C
	TNn	Coolest days	Annual minimum value of daily maximum temperature	°C
	WSDI	Warm spell duration	Annual count of days with at least six consecutive days when TX > 90th percentile	Days
	CSDI	Cold spell duration	Annual count of days with at least six consecutive days when TN < 10th percentile	Days
Precipitation extremes	CDD	Consecutive dry days	Maximum number of consecutive days when precipitation < 1 mm	Days
Precipitation extremes	RX5day	Wettest consecutive five days	Maximum of consecutive 5-day (cumulative) precipitation amount	Mm

Notes:

TX: maximum temperature; TN: minimum temperature