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Table 5

A list of some combinations of the different input variables for models

ModelInput variablesR2RMSE
1 P, Tmean, RH, FD, E7, SnowYear, PAutumn, PWinter 0.75 0.131 
2 P, Tmean, RH, FD, E7, PAutumn, PWinter 0.73 0.132 
3 P, Tmean, RH, FD, E7, PAutumn, PWinter, Snow/PSpring 0.78 0.123 
4 P, Tmean, RH, FD, SnowSpring, PAutumn, PWinter 0.74 0.130 
5 P, Tmean, RH, FD, Snow/PSpring, PAutumn, PWinter 0.78 0.120 
6 P, Tmean, RH, FD, Snow/PSpring, PAutumn 0.78 0.117 
7 Tmean, RH, FD, Snow/PSpring, PAutumn 0.76 0.120 
8 P, Tmean, Tmax, Tmin, RH, FD 0.74 0.124 
9 P, Tmean, Tmax, Tmin, RH, FD, E7, SnowYear, Snow/PSpring, Tmean-Winter, Tmax-Winter 0.90 0.126 
10 P, Tmean, Tmax, Tmin, RH, FD, E7, SnowYear, Tmin-Winter, Tmax-Winter, PAutumn, PWinter 0.81 0.134 
ModelInput variablesR2RMSE
1 P, Tmean, RH, FD, E7, SnowYear, PAutumn, PWinter 0.75 0.131 
2 P, Tmean, RH, FD, E7, PAutumn, PWinter 0.73 0.132 
3 P, Tmean, RH, FD, E7, PAutumn, PWinter, Snow/PSpring 0.78 0.123 
4 P, Tmean, RH, FD, SnowSpring, PAutumn, PWinter 0.74 0.130 
5 P, Tmean, RH, FD, Snow/PSpring, PAutumn, PWinter 0.78 0.120 
6 P, Tmean, RH, FD, Snow/PSpring, PAutumn 0.78 0.117 
7 Tmean, RH, FD, Snow/PSpring, PAutumn 0.76 0.120 
8 P, Tmean, Tmax, Tmin, RH, FD 0.74 0.124 
9 P, Tmean, Tmax, Tmin, RH, FD, E7, SnowYear, Snow/PSpring, Tmean-Winter, Tmax-Winter 0.90 0.126 
10 P, Tmean, Tmax, Tmin, RH, FD, E7, SnowYear, Tmin-Winter, Tmax-Winter, PAutumn, PWinter 0.81 0.134 

Note: E7 is the sum of evaporation in seven months (April–October). Variables that are underlined did not have logical coefficient.

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