June 2012 Vertical Radiation
Day Daily Mean Daily Sum Maximum
w/m2 kwh w/m2
1 128.12 3.1 948
2 194.76 4.7 917
3 144.16 3.5 848
4 223.40 5.4 798
5 173.39 4.2 935
6 79.27 1.9 470.7
7 146.28 3.5 776
8 89.01 2.1 575
9 85.10 2.0 793
10 197.87 4.7 873
11 227.27 5.5 916
12 81.21 1.9 914
13 70.57 1.7 212.9
14 201.23 4.8 886
15 221.07 5.3 872
16 188.56 4.5 874
17 221.58 5.3 796
18 242.20 5.8 766
19 238.37 5.7 805
20 225.69 5.4 790
21 252.15 6.1 791
22 244.24 5.9 785
23 237.07 5.7 798
24 167.65 4.0 932
25 137.59 3.3 632.3
26 53.21 1.3 282.6
27 57.58 1.4 168.8
28 99.96 2.4 746
29 176.12 4.2 917
30 160.45 3.9 1001
Mean daily values for a south wall. While seeing only half of the sky, this is a frequently used for a fixed photovoltaic array, as no snow accumulates on it.
Max: 1001 w/m2
Min: 0 w/m2
Monthly Mean: 165.50 w/m2