Climate Change Detection and Annual Extreme Temperature Analysis of the Amur River Basin

Table 4

Climate change detection and descriptive statistics of the annual minimum temperature series.

Meteorological station	Change point	Prechange		Postchange
		Mean value ()	Standard deviation ()	Mean value ()	Standard deviation ()
30673	1975	−39.07	3.04	−37.53	3.02
30758	None			−35.79	2.57
30777	1966	−39.51	3.08	−37.61	3.02
30859	None			−32.71	3.05
30879	None			−35.38	2.88
30965	None			−35.67	3.35
30954	None			−30.45	3.05
30949	None			−30.24	3.02
50527	1972	−35.66	2.21	−33.33	2.99
30695	1982	−37.78	2.79	−36.93	2.66
31253	1988	−41.12	2.23	−38.19	3.01
31371	1975	−39.54	2.36	−37.6	3.53
31388	1983	−40.42	2.42	−38.37	2.42
31443	1981	−39.29	3.10	−37.01	2.67
50353	1982	−37.65	2.88	−34.22	2.92
31329	1981	−41.18	2.35	−39.72	2.27
31416	1983	−38.72	2.71	−36.52	2.6
31532	1983	−41.38	2.17	−39.11	2.16
31538	1981	−35.2	2.39	−33.79	2.01
31594	1988	−35.49	2.23	−33.88	2.65
31707	None			−27.15	2.61
50564	1988	−34.18	2.52	−31.45	2.75
31369	None			−32.02	2.97
31439	1999	−34.21	2.96	−31.66	1.69
31562	None			−35.26	2.39
31845	None			−31.75	2.09
31873	1990	−27.48	1.97	−25.79	2.26
31915	None			−22.27	2.22
31931	None			−27.39	2.73
50978	1989	−24.26	2.09	−22.73	2.41
50557	1971	−34.41	2.57	−32.3	3.21
50593	1991	−27.16	3.65	−24.08	2.96
50632	1982	−29.47	2.20	−28.15	2.39
50658	1971	−30.58	2.10	−28.61	2.78
50727	1979	−36.19	2.48	−34.4	2.43
50745	1988	−26.37	2.52	−24.79	3.39
50756	1990	−30.23	2.39	−28.05	2.65
50788	1988	−26.97	2.07	−26.05	2.69
50854	1987	−27.54	2.53	−25.06	3.00
50949	1980	−25.17	2.36	−23.31	3.30
50963	1988	−28.57	2.17	−27.34	2.97
50968	1994	−28.72	2.35	−26.33	2.92
54094	1980	−25.92	2.45	−23.48	2.59
54161	1982	−24.84	2.38	−23.15	2.82

The “None” indicates no change point was detected by M-K test at 0.05 confidence level, and the descriptive statistics of the entire annual minimum temperature series are filled in the blank of the postchange subseries.