Impacts of Climatic Change on Reference Crop Evapotranspiration across Different Climatic Zones of Ningxia at Multi-Time Scales from 1957 to 2018

Table 3

Monthly average of ET₀ in Ningxia and each region.

Month	NYR	CAZ	SMA	NX (whole)
1	33.14	40.71	32.32	35.24
2	52.74	56.01	42.65	51.70
3	101.20	102.16	77.28	96.70
4	148.84	144.67	110.39	139.90
5	177.03 (max)	176.73	136.35	168.80
6	174.90	179.75 (max)	137.90 (max)	168.95 (max)
7	174.69	174.59	134.13	166.55
8	147.84	147.81	117.75	141.81
9	103.82	102.39	78.60	98.35
10	77.05	77.63	57.56	73.33
11	46.61	54.15	40.14	47.58
12	30.49 (min)	40.07 (min)	31.11 (min)	33.49 (min)
Average	105.70	108.06	83.02	101.87
Total	1268.34	1296.67	996.19	1222.41