And here are the sun altitudes (in degrees) for a location 70 deg N, 0W corresponding to each hour of a 24 hour clock.
If you copy these numbers into a spreadsheet (use text import wizard and choose comma separated delimiter), then graph the second column, you will see something v familiar.
1, 3.18
2, 3.78
3, 5.52
4, 8.32
5, 12.02
6, 16.42
7, 21.25
8, 26.25
9, 31.1
10, 35.48
11, 39
12, 41.3
13, 42.08
14, 41.27
15, 38.95
16, 35.42
17, 31.03
18, 26.18
19, 21.2
20, 16.38
21, 12.02
22, 8.33
23, 5.57
24, 3.85