Table 5. MBE values for monthly mean ETo (mm d⁻¹) estimated by K_pan models in years 1998–2019.

Month/Model	April	May	June	July	August	September	October
S	−0.217	0.260	0.945	1.327	1.407	0.912	0.512
MS	−0.464	−0.094	0.441	0.737	0.869	0.541	0.303
WS	−0.937	−0.750	−0.430	−0.208	−0.018	−0.153	−0.164
C	−0.450	−0.072	0.481	0.797	0.920	0.563	0.300
AP	−0.329	0.092	0.679	0.992	1.116	0.741	0.439
O	−1.835	−2.019	−2.216	−2.269	−1.891	−1.478	−0.938
P	−0.438	−0.004	0.559	0.846	1.032	0.716	0.453
RW	−0.394	0.005	0.568	0.862	0.991	0.616	0.375