Determination of Effective Weather Parameters on Rainfed Wheat Yield Using Backward Multiple Linear Regressions Based on Relative Importance Metrics

Table 1

Climate and descriptive statistics of studied stations.

Station	Climate	Tmin (°C)	Tmax (°C)	Tavg (°C)	RHmin (%)	RHmax (%)	RHavg (%)	Wind speed (m/s)	Sunshine hours	ET0 (mm)	Rain (mm)	Rainy days
Abadeh	Arid	3.20	17.53	10.37	22.42	61.70	42.06	2.51	8.43	754.50	105.81	29.75
Eghlid	Semiarid	2.86	15.30	9.08	23.96	59.15	41.56	3.02	8.47	744.78	285.40	41.75
Estahban	Arid	5.83	21.07	13.45	24.10	62.95	43.52	2.99	8.66	925.58	192.60	35.75
Jahrom	Arid	9.06	25.19	17.12	28.18	74.57	51.38	1.11	8.41	675.54	216.97	28.00
Darab	Arid	10.19	25.26	17.72	25.74	65.37	45.56	1.04	8.89	757.99	181.69	31.00
Zarindasht	Arid	11.41	26.48	18.94	20.64	60.56	40.60	1.36	8.82	1022.25	164.30	20.00
Sepidan	Humid	5.51	15.08	10.30	34.56	58.98	46.77	2.34	8.33	709.46	581.48	52.00
Shiraz	Semiarid	6.35	21.86	12.55	25.70	71.04	48.37	1.51	8.48	704.23	256.79	38.00
Farashband	Arid	9.94	26.21	18.07	24.86	78.07	51.46	2.24	8.40	1156.04	240.40	35.00
Kazeroun	Semiarid	11.70	25.24	18.47	29.19	69.53	49.36	1.54	7.97	833.30	348.40	38.50
Lar	Hyperarid	11.99	27.98	19.73	23.38	60.81	42.09	1.14	8.97	841.37	118.08	18.75
Lamerd	Hyper-arid	13.49	30.15	21.82	26.62	63.34	44.98	2.14	8.60	1070.24	151.68	21.50
Marvdasht	Semiarid	5.33	20.87	13.10	32.18	73.23	52.70	1.06	8.63	654.98	265.55	37.75