Monthly Averaged Insolation Incident On A Horizontal Surface (kWh/m²/day)

Lat 62
Lon 17

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual
Average

10-year Average

0.17

0.77

1.93

3.62

4.94

5.39

5.07

3.68

2.25

1.05

0.40

0.10

2.45

Monthly Averaged Daylight (hours)

Lat 62
Lon 17

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Average

6.28

9.01

11.7

14.7

17.6

19.5

18.6

15.9

13.0

10.0

7.23

5.40

Monthly Averaged Sunset Hour Angle (degrees)

Lat 62
Lon 17

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Average

44.4

65.6

86.6

108

129

143

136

117

95.8

73.7

51.8

37.4

Monthly Averaged Maximum Solar Angle Relative To The Horizon (degrees)

Lat 62
Lon 17

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Average

7.22

15.6

26.1

37.7

46.8

51.0

49.2

41.7

31.0

19.5

9.81

5.10

Monthly Averaged Radiation Incident On An Equator-Pointed Tilted Surface / Perez/Page Method (kWh/m²/day)

Lat 62
Lon 17

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual
Average

SSE HRZ

0.17

0.77

1.93

3.62

4.94

5.39

5.07

3.68

2.25

1.05

0.40

0.10

2.45

K

0.25

0.39

0.44

0.49

0.49

0.47

0.47

0.43

0.40

0.37

0.40

0.27

0.41

PAGE DIF

0.13

0.47

1.09

1.82

2.47

2.81

2.65

2.09

1.36

0.67

0.24

0.07

1.33

PAGE DNR

0.42

1.59

2.79

4.39

5.31

5.47

5.14

3.63

2.61

1.69

1.41

0.40

2.91

Tilt 0

0.16

0.75

1.91

3.59

4.99

5.46

5.13

3.69

2.23

1.04

0.40

0.10

2.46

Tilt 47

0.60

1.84

3.30

5.03

5.63

5.57

5.43

4.31

3.26

2.08

1.53

0.40

3.25

Tilt 62

0.68

2.01

3.43

4.96

5.28

5.07

4.98

4.05

3.24

2.19

1.72

0.45

3.18

Tilt 77

0.72

2.07

3.38

4.64

4.70

4.38

4.36

3.63

3.05

2.18

1.80

0.48

2.95

Tilt 90

0.72

2.02

3.19

4.19

3.99

3.59

3.62

3.10

2.74

2.06

1.78

0.48

2.62

OPT

0.73

2.07

3.43

5.04

5.74

5.83

5.62

4.37

3.28

2.20

1.80

0.48

3.39

OPT ANG

83.0

77.0

65.0

51.0

35.0

25.0

30.0

37.0

53.0

68.0

80.0

83.0

57.1