Trends of Hydroclimate Variables in the Upper Huai River Basin: Implications of Managing Water Resource for Climate Change Mitigation

Table 2

Seasonal and monthly precipitation through the stations.

Months and season	Xiangcheng	Zhumadian	Gushi	Fuyang	Xinyang	Xichong	Shangqiu	Yingshan	Bozhou	Mean precipitation (mm)	Z-score
Jan.	23.45	17.62	30.50	22.83	14.88	22.59	25.28	31.41	19.84	23.16	(−1.51)
Feb.	34.28	24.58	42.38	32.49	22.37	39.06	30.31	28.6	41.25	32.81	(−0.92)
Mar.	54.41	45.80	72.94	53.50	41.47	60.37	50.75	44.85	66.82	54.55	(−0.52)
Apr.	82.99	63.32	84.54	61.44	74.11	97.72	72.13	67.12	81.56	76.10	(−0.10)
May	109.38	86.25	102.66	85.23	92.04	136.19	87.72	89.24	111.81	100.06	0.32
Jun.	167.24	122.26	154.43	136.30	111.89	159.02	127.44	121.52	144.21	138.26	1.02
Jul.	218.30	203.76	214.22	204.68	175.78	248.81	177.96	174.23	206.94	202.83	2.1
Aug.	174.28	159.31	125.27	116.06	133.34	132.10	142.61	146.32	162.97	143.06	1.03
Sep.	118.20	104.91	88.617	86.97	81.23	73.16	85.28	81.19	79.94	88.81	0.14
Oct.	72.81	62.48	67.18	54.71	56.15	66.10	59.80	119.5	68.20	69.64	(−0.39)
Nov.	47.73	39.26	54.27	44.41	36.13	39.54	46.37	75.31	37.15	46.56	(−0.72)
Dec.	20.78	17.31	25.15	18.54	13.96	17.83	17.78	24.86	15.97	19.93	(−1.17)
Spring	246.79	195.38	260.14	200.20	207.62	294.28	233.45	191.54	201.89	225.36	2.67
Summer	559.83	485.34	493.93	457.05	421.01	539.94	490.23	498.37	513.47	495.63	7.5
Autumn	238.75	206.66	210.07	186.11	173.53	178.81	183.65	214.59	180.73	196.99	2.07
Winter	78.52	59.53	98.03	73.87	51.22	79.49	77.29	70.45	63.76	72.46	(−0.16)

Annotation: the values in the braces show lower precipitation amounts.