| δ |
Declination Angle |
|
| Ω |
Hour Angle |
|
| N |
Monthly average maximum possible hours of daily sunshine |
|
| Ho |
Monthly average, daily, extraterrestial radiation |
|
| Hg |
Monthly average, daily, total radiation |
|
| Hd |
Monthly average, daily, diffused radiation |
|
| Hb |
Monthly average, daily, beam radiation |
|