Reference Evapotranspiration Changes: Sensitivities to and Contributions of Meteorological Factors in the Heihe River Basin of Northwestern China (1961–2014)

Table 1

Coefficient of determination of monthly and for nine meteorological stations.

Station	U1	U2	U3	M1	M2	M3	M4	L1	L2
	0.945	0.939	0.966	0.969	0.973	0.959	0.968	0.965	0.986