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

Lat 59.1
Lon 17.36

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual
Average

10-year Average

0.41

0.95

2.09

3.67

5.39

5.33

5.14

3.85

2.60

1.26

0.53

0.20

2.62

Monthly Averaged Daylight (hours)

Lat 59.1
Lon 17.36

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Average

7.05

9.36

11.8

14.4

16.9

18.3

17.7

15.4

12.9

10.3

7.83

6.35

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

Lat 59.1
Lon 17.36

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Average

10.1

18.5

29.0

40.6

49.7

53.9

52.1

44.6

33.9

22.4

12.7

8.00

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

Lat 59.1
Lon 17.36

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual
Average

SSE HRZ

0.41

0.95

2.09

3.67

5.39

5.33

5.14

3.85

2.60

1.26

0.53

0.20

2.62

K

0.39

0.38

0.42

0.47

0.53

0.47

0.47

0.44

0.43

0.37

0.36

0.27

0.42

PAGE DIF

0.24

0.58

1.18

1.89

2.44

2.78

2.64

2.13

1.45

0.78

0.33

0.14

1.39

PAGE DNR

1.30

1.67

2.72

4.04

5.95

5.03

4.97

3.69

3.04

1.87

1.31

0.54

3.02

Tilt 0

0.41

0.94

2.07

3.65

5.41

5.39

5.20

3.86

2.55

1.24

0.53

0.19

2.63

Tilt 44

1.47

2.00

3.32

4.75

6.06

5.49

5.47

4.44

3.63

2.28

1.49

0.67

3.43

Tilt 59

1.68

2.18

3.44

4.63

5.64

5.01

5.02

4.19

3.63

2.40

1.66

0.76

3.36

Tilt 74

1.79

2.23

3.39

4.25

4.97

4.34

4.39

3.76

3.42

2.38

1.73

0.81

3.13

Tilt 90

1.79

2.15

3.14

3.63

3.96

3.37

3.45

3.08

3.00

2.21

1.69

0.81

2.69

OPT

1.81

2.23

3.44

4.75

6.18

5.73

5.65

4.48

3.66

2.41

1.73

0.82

3.58

OPT ANG

82.0

73.0

62.0

45.0

32.0

25.0

28.0

35.0

51.0

65.0

76.0

81.0

54.4