Model proposed

Justus and

Mikhaïl

Mikhaïl model

Variable coefficient model

Kasbadji Model

Power 1/7 Model

MAE

(10−12 m∙s−1)

MAE

(m∙s−1)

MAE

(m∙s−1)

MAE

(m∙s−1)

MAE

(m∙s−1)

MAE

m∙s−1)

January

0.001

0.18

0.35

0.18

0.09

0.26

February

0.0006

0.09

0.39

0.09

0.003

0.36

March

0.0002

0.04

0.45

0.41

0.12

0.49

April

0.0002

0.10

0.39

0.10

0.01

0.34

May

0.0004

0.11

0.41

0.11

0.01

0.34

June

0.0008

0.34

0.25

0.34

0.25

0.11

July

0.0004

0.10

0.39

0.10

0.01

0.34

August

0.0008

0.11

0.41

0.11

0.01

0.34

Sept.

0.0008

0.34

0.25

0.34

0.25

0.11

Oct.

0.001

0.007

0.30

0.37

0.02

0.40

Nov.

0.0008

0.01

0.29

0.38

0.01

0.39

Dec.

0.0008

0.10

0.35

0.10

0.03

0.33

Annual

0.001

0.14

0.30

0.14

0.07

0.29