Degrees latitude north + south | N | % | Ratio mean winter insolation/mean summer insolation | Ratio minimum mean monthly insolation/maximum mean monthly insolation |
---|---|---|---|---|
0–9 | 268 | 5.5 | 1.0313 | 0.8076 |
10–19 | 420 | 8.6 | 1.1074 | 0.6744 |
20–29 | 254 | 5.2 | 0.7772 | 0.6093 |
30–39 | 1333 | 27.3 | 0.4075 | 0.3165 |
40–49 | 1921 | 39.4 | 0.3023 | 0.2119 |
50–59 | 444 | 9.1 | 0.1662 | 0.0903 |
60 + | 236 | 4.8 | 0.0857 | 0.0220 |
Total | 4876 | 100.0 | 0.4423 | 0.3135 |