Analysis of Changes in Precipitation and Drought in Aksu River Basin, Northwest China

Table 8

Characteristics of droughts at 12-month time scale.

Station	The most severe drought		Number of drought years during the observed period
	SPI	Year	Near normal	Moderate	Severe/extreme	Total
Aksu	−2.2748	1986	7	7	3	17
Aheqi	−2.1138	1975	10	6	2	18
Alar	−2.2262	1975	11	6	2	19
Keping	−2.5112	1985	8	5	3	16
Baicheng	−1.9470	1961	5	6	4	15
Kuche	−1.8056	1965	8	6	4	18
Turgat	−2.1432	1976	7	5	5	17
Wuqia	−2.5986	1985	3	8	3	14
Kashi	−1.9757	1994	6	3	5	14