Season

Variables

Bias

RMS error

Spatial correlation coefficient

Information for different grid mesh: 13.2 km/6.6 km

I-III

T

−0.58

−0.44

2.88

2.78

0.91

0.91

W

0.24

0.15

2.03

1.93

0.72

0.74

Wg

−0.45

−0.62

2.97

2.95

0.76

0.77

IV-VI

T

−0.19

−0.02

2.59

2.48

0.92

0.93

W

−0.05

−0.09

1.97

1.88

0.69

0.71

Wg

−0.95

−0.73

3.44

3.36

0.73

0.74

VII-IX

T

0.11

0.17

2.15

2.03

0.88

0.89

W

−0.10

0.01

1.75

1.68

0.60

0.62

Wg

−0.71

−0.52

2.90

2.80

0.60

0.60

X-XII

T

−0.26

−0.21

2.48

2.40

0.95

0.95

W

0.22

0.18

2.12

2.00

0.76

0.77

Wg

−0.09

−0.30

3.30

3.19

0.80

0.80