Table 2. Factor loadings of each variable on each principle component derived from a PCA on climatic variables.

	PC1 (49%)	PC2 (34%)	PC3 (17%)
Cumulative proportion	0.489	0.826	1.000
	Variable factor loading (PC1)	Variable factor loading (PC2)	Variable factor loading (PC3)
Relative Humidity	0.60	0.07	0.59
Annual Temperature	0.02	0.64	0.09
Altitude	0.49	0.08	0.48