Rainfall-Altitude Relationship in Saudi Arabia

Table 1

Coefficient of determination (𝑟²) and AICs derived by OLS and GWR models.

Seasons	OLS (𝑟^2)	GWR (𝑟^2)	Δ (𝑟^2)	AIC for OLS	AIC for GWR	ΔAIC
Annual	0.11*	0.78	−0.67	2165	2007	158**
Winter	0.04*	0.64	−0.60	1581	1499	82**
Spring	0.54*	0.83	−0.29	1687	1589	98**
Summer	0.01*	0.82	−0.81	1803	1591	212**
Fall	−0.001	0.71	−0.70	1784	1658	126**

∗Significance level at level 𝑃<0.05.
∗∗Significant Difference where ΔAIC greater than 6.