Extreme Precipitation Changes in the Semiarid Region of Xinjiang, Northwest China

Table 1

Number of series with positive (POS) and negative (NEG) trends and respective percentages.

Threshold (mm)	POS	POS %	NEG	NEG %
10	47	87	8	13
20	43	80	11	20
30	40	74	14	36
40	34	63	20	37