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. 2021 Jul 7;7(7):e07487. doi: 10.1016/j.heliyon.2021.e07487

Table 6.

The fitted a, b and R2 values for correlating ETemp with ETpmf in monthly time scale over 1981–2005.

Month Parameters ETmak ETpt ETjh ETabt ETirm ETtab ETber EThs ETpen ETwmo ETtra ETva1 ETva2 ETva3 ETdp
January a
b
R2
-2.37
2.31
.818
-2.06
2.12
.831
-.213
.960
.836
.086
1.07
.871
-1.65
1.52
.853
-1.61
1.89
.815
-1.47
1.63
.838
-1.7
1.52
.751
2.16
3.37
.706
2.03
5.39
.714
1.91
.821
.762
.056
1.19
.656
-.107
1.32
.651
.328
1.07
.659
-1.04
1.48
.870
February a
b
R2
.023
1.36
.823
.172
1.22
.842
.868
.703
.847
1.00
.827
.877
-1.05
1.36
.874
-.640
1.52
.826
-1.67
1.61
.851
-.60
1.19
.760
1.62
6.94
.706
2.00
5.46
.723
1.88
.834
.776
-.271
1.32
.667
.687
1.08
.657
-.060
1.21
.672
-1.27
1.52
.882
March a
b
R2
-2.63
2.18
.836
-2.54
1.90
.853
-1.09
1.08
.860
-.564
1.23
.889
-4.66
2.23
.880
-4.10
2.49
.849
-1.92
1.67
.865
-1.6
1.4
.769
2.11
6.87
.712
2.69
4.67
.738
2.45
.751
.801
-1.28
1.59
.680
-1.01
.1.61
.671
-.327
1.23
.688
-1.92
1.60
.899
April a
b
R2
-1.20
1.71
.851
.194
1.12
.884
.250
.779
.875
.013
1.06
.913
-3.38
1.86
.901
-2.63
1.97
.879
-1.77
1.60
.890
-2.0
1.46
.778
2.39
7.39
.719
3.50
3.53
.750
3.11
.635
.827
-1.47
1.61
.709
-.348
1.40
.701
.026
1.11
.716
-2.09
1.56
.912
May a
b
R2
-.293
1.41
.850
-1.13
1.31
.849
-.057
.773
.873
.486
.945
.895
-2.77
1.67
.877
-2.44
1.82
.873
-1.80
1.55
.868
-1.9
1.36
.763
2.21
8.00
.714
3.05
3.33
.721
2.42
.859
.804
.461
1.11
.706
.169
1.22
.696
.256
1.05
.712
-1.23
1.35
.887
June a
b
R2
-.390
1.43
.847
-.915
1.24
.848
-.541
.834
.868
-.109
1.06
.876
-2.90
1.67
.875
-2.68
1.85
.869
-.550
1.19
.854
-.68
1.06
.752
1.61
9.55
.701
2.24
5.52
.712
1.83
1.00
.782
.091
1.19
.692
113
1.21
.683
.406
.983
.700
-.553
1.19
.876
July a
b
R2
-.032
1.25
.842
-.563
1.12
.837
-.071
.733
.861
.185
.957
.869
-2.38
1.52
868
-1.82
1.57
.860
-.938
1.29
.821
-1.38
1.23
.721
1.20
11.67
.681
2.13
5.60
.702
1.63
1.11
.758
.329
1.10
.662
.143
1.19
.654
.507
.933
.671
-.474
1.16
.867
August a
b
R2
.217
1.18
.858
-.414
1.08
.865
-.296
.105
.879
.342
.906
.886
-2.05
1.42
.879
-1.49
1.46
.872
-.087
1.10
.837
-.43
.104
.743
1.22
11.35
.689
2.14
5.97
.716
1.62
1.15
.761
.383
1.07
.671
.357
1.10
.662
.514
.947
.679
-.352
1.13
.885
September a
b
R2
.141
1.16
.848
-.479
1.10
.862
.070
.676
.871
.465
.832
.879
-1.85
1.35
.868
-1.49
1.44
.862
-.202
1.12
.829
.390
1.03
.737
1.44
.918
.685
2.06
6.07
.688
1.73
1.06
.737
.502
.984
.679
.409
1.03
.668
.623
.911
.684
-.237
1.10
.861
October a
b
R2
-.072
1.22
.838
-.925
1.23
.843
-.327
.761
.863
.098
.911
.871
-2.44
1.50
.869
-2.16
1.66
.852
-1.55
1.60
.821
-1.7
1.44
.732
1.78
6.88
.691
2.02
6.26
.701
1.85
1.00
.741
.436
.971
.685
.080
.1.10
.678
.341
1.02
.691
-.669
1.26
.868
November a
b
R2
1.28
.727
.828
1.92
.452
.823
1.59
.393
.850
1.62
.480
.864
.459
.767
.855
1.07
.722
.818
-.403
1.23
.816
-.08
.992
.728
1.28
6.97
.700
2.12
4.27
.706
2.14
.605
.745
.381
.974
.691
1.28
.686
.682
.167
1.09
.698
-.995
1.43
.874
December a
b
R2
1.84
.431
.813
2.31
.226
.814
2.29
.161
.829
2.22
.223
.856
1.65
.381
.846
2.05
.319
.810
-.447
.895
.805
-.66
.724
.723
1.20
6.30
.704
1.78
4.52
.712
1.77
.656
.749
.831
.810
.687
1.87
.405
.667
.329
1.05
.691
-.997
1.47
.855