Table 1 Meteorological characteristics of study area.

From: Meteorological data implications modeling on evapotranspiration variability in arid and semi-arid zones in Saudi Arabia using hybrid metaheuristic

 

P (mm) (Sum)

T (mm) (°C) (Av)

SR (Sum)

ET (mm) (Av)

AET (mm) (Sum)

Mekkah

Medinahh

Mekkah

Medinahh

Mekkah

Medinahh

Mekkah

Medinahh

Mekkah

Medinahh

Calibration period

 2001

140.5

75.4

21.31

28.56

123.58

121.40

187.98

198.96

133.5

71.6

 2002

171.4

42.6

22.20

28.71

123.72

121.63

191.40

204.45

163

40.5

 2003

47.3

23.5

21.52

28.93

122.33

120.40

191.63

204

44.9

22.3

 2004

98.5

15.1

22.17

28.82

123.33

121.55

190.83

206.78

93.7

14.5

Validation period

 2005

15.7

26.8

21.59

28.7

123.42

121.38

185.76

200.35

15

25.5

 2006

71.5

42.2

21.47

28.48

121.67

119.83

189.71

201.97

67.8

40.1

 2007

2.2

14.4

22.19

28.66

121.96

119.85

190.96

207.36

2

13.7

 2008

81.2

79.1

21.86

28.77

120.44

118.74

188.21

206.88

77.1

75.1

  1. P precipitation, T temperature, SR sloar radiation, ET evapotranspiration, AET actual evapotranspiration.
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