Table 2.

Statistical indices used for evaluating the performance of ERA5-Land estimates.

Statistic	Formula	Range	Optimal value
R2		[0, 1]	1
RMSE		[0, +∞)	0
rRMSE		[0, +∞)	0
MAE		[0, +∞)	0
rMAE		[0, +∞)	0
Pbias		(− ∞, +∞)	0