Detecting Variation Trends of Temperature and Precipitation for the Dadu River Basin, China

Table 3

Trend and regional averages of mean annual and monthly maximum, mean, and minimum temperature.

Time scale	Insignificant increase			Significant increase			Percent increase			Insignificant decrease			Significant decrease			Percent decrease			Regional average (°C/decade)
	Max	Mean	Min	Max	Mean	Min	Max	Mean	Min	Max	Mean	Min	Max	Mean	Min	Max	Mean	Min	Max	Mean	Min
Annual	2	1	0	4	5	5	100.0	100.0	83.3	0	0	1	0	0	0	0	0	16.7	0.17	0.15	0.18
Jan	0	2	1	5	3	4	83.3	83.3	83.3	1	1	0	0	0	1	16.7	16.7	16.7	0.13	0.22	0.28
Feb	2	1	0	4	5	5	100.0	100.0	83.3	0	0	1	0	0	0	0	0	16.7	0.42	0.33	0.30
Mar	3	3	2	0	1	3	50.0	66.7	83.3	2	1	0	1	1	1	50.0	33.3	16.7	−0.07	0.02	0.10
Apr	2	1	0	0	2	3	33.3	50	50.0	4	3	2	0	0	1	66.7	50.0	50.0	−0.05	0.03	0.12
May	5	3	4	1	1	1	100.0	66.7	83.3	0	2	2	0	0	1	0	33.3	16.7	0.13	0.07	0.02
Jun	1	1	1	5	5	5	100.0	100.0	100.0	0	0	0	0	0	0	0	0	0	0.23	0.20	0.23
Jul	3	2	2	1	2	3	66.7	66.7	83.3	2	2	0	0	0	1	33.3	33.3	16.7	0.12	0.08	0.13
Aug	2	3	1	2	2	4	66.7	83.3	83.3	2	1	0	0	0	0	33.3	16.7	16.7	0.08	0.08	0.15
Sep	2	2	5	4	4	1	100.0	100.0	100.0	0	0	1	0	0	0	0	0	0	0.30	0.15	0.13
Oct	4	4	0	0	2	6	66.7	100.0	100.0	2	0	0	0	0	0	33.3	0	0	0.02	0.12	0.22
Nov	2	1	2	4	5	4	100.0	100.0	100.0	0	0	0	0	0	0	0	0	0	0.28	0.22	0.23
Dec	2	2	2	4	4	4	100.0	100.0	100.0	0	0	0	0	0	0	0	0	0	0.22	0.20	0.27

Percentage more than 75 is considered as significant and made boldface.