Table 4. Climate characteristics, rainfall and ET_o of Gaziantep Province obtained using the CLIMWAT tool attached to the CROPWAT software.

Month	Min Temp	Max Temp	Humidity	Wind	Sun	Rad	ETo	Rain	Eff rain
	°C	°C	%	km/day	hours	MJ/m2/day	mm/day	mm	mm
January	−0.8	7.3	79	121	2.5	6.5	0.82	99	83.3
February	0.4	9.2	73	130	2.5	8	1.14	77	67.5
March	3.1	14	64	138	5.4	13.8	2.08	79	69.0
April	7.2	19.7	59	138	7.2	18.7	3.25	52	47.7
May	11.7	25.7	51	130	9.8	23.9	4.66	34	32.2
June	16.7	31.2	43	181	12.1	27.7	6.5	6	5.9
July	20.8	35.3	37	199	12.5	28	7.52	2	2.0
August	20.6	35.1	37	164	11.5	25.1	6.67	1	1.0
September	15.9	31.2	41	121	10	20.3	4.78	2	2.0
October	9.8	24.2	50	78	7.5	14.1	2.67	37	34.8
November	4.4	16.4	68	78	4.9	8.9	1.42	63	56.6
December	1.3	9.9	76	104	2.3	5.7	0.91	98	82.6
Average	9.3	21.6	56	132	7.3	16.7	3.54	550	484.7