Valores do fotoperíodo (horas) no 15o dia de cada mês, em função da latitude
Latitude |
Jan | Fev | Mar | Abr | Mai | Jun | Jul | Ago | Set | Out | Nov | Dez |
10o N | 11.6 | 11.8 | 12.1 | 12.4 | 12.6 | 12.7 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.5 |
8o N | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 | 12.5 | 12.4 | 12.2 | 12.0 | 11.8 | 11.6 |
6o N | 11.8 | 11.9 | 12.1 | 12.3 | 10.4 | 12.5 | 12.4 | 12.3 | 12.2 | 12.0 | 11.9 | 11.7 |
4o N | 11.9 | 12.0 | 12.1 | 12.2 | 12.3 | 12.4 | 12.3 | 12.2 | 12.0 | 12.0 | 11.9 | 11.9 |
2o N | 12.0 | 12.0 | 12.1 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.0 | 12.0 |
Equador | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 |
2o S | 12.2 | 12.2 | 12.1 | 12.1 | 12.0 | 12.0 | 12.0 | 12.0 | 12.1 | 12.1 | 12.2 | 12.2 |
4o S | 12.3 | 12.2 | 12.1 | 12.0 | 11.9 | 11.8 | 11.9 | 12.0 | 12.1 | 12.2 | 12.3 | 12.4 |
6o S | 12.4 | 12.3 | 12.1 | 12.0 | 11.9 | 11.7 | 11.8 | 11.9 | 12.1 | 12.2 | 12.4 | 12.5 |
8o S | 12.5 | 12.4 | 12.1 | 11.9 | 11.7 | 11.6 | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 |
10o S | 12.6 | 12.4 | 12.1 | 11.9 | 11.7 | 11.5 | 11.6 | 11.8 | 12.0 | 12.3 | 12.6 | 12.7 |
12o S | 12.7 | 12.5 | 12.2 | 11.8 | 11.6 | 11.4 | 11.5 | 11.7 | 12.0 | 12.4 | 12.7 | 12.8 |
14o S | 12.8 | 12.6 | 12.2 | 11.8 | 11.5 | 11.3 | 11.4 | 11.6 | 12.0 | 12.4 | 12.8 | 12.9 |
16o S | 13.0 | 12.7 | 12.2 | 11.7 | 11.4 | 11.2 | 11.2 | 11.6 | 12.0 | 12.4 | 12.9 | 13.1 |
18o S | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.1 | 11.1 | 11.5 | 12.0 | 12.5 | 13.0 | 13.2 |
20o S | 13.2 | 12.8 | 12.2 | 11.6 | 11.2 | 10.9 | 11.0 | 11.4 | 12.0 | 12.5 | 13.2 | 13.3 |
22o S | 13.4 | 12.8 | 12.2 | 11.6 | 11.1 | 10.8 | 10.9 | 11.3 | 12.0 | 12.6 | 13.2 | 13.5 |
24o S | 13.5 | 12.9 | 12.3 | 11.5 | 10.9 | 10.7 | 10.8 | 11.2 | 11.9 | 12.6 | 13.3 | 13.6 |
26o S | 13.6 | 12.9 | 12.3 | 11.5 | 10.8 | 10.5 | 10.7 | 11.2 | 11.9 | 12.7 | 13.4 | 13.8 |
28o S | 13.7 | 13.0 | 12.3 | 11.4 | 10.7 | 10.4 | 10.6 | 11.1 | 11.9 | 12.8 | 13.5 | 13.9 |
30o S | 13.9 | 13.1 | 12.3 | 11.4 | 10.6 | 10.2 | 10.4 | 11.0 | 11.9 | 12.8 | 13.6 | 14.0 |
32o S | 14.0 | 13.2 | 12.3 | 11.3 | 10.5 | 10.0 | 10.3 | 10.9 | 11.9 | 12.9 | 13.7 | 14.2 |
34o S | 14.2 | 13.3 | 12.3 | 11.3 | 10.3 | 9.8 | 10.1 | 10.9 | 11.9 | 12.9 | 13.9 | 14.4 |
36o S | 14.3 | 13.4 | 12.4 | 11.2 | 10.2 | 9.7 | 10.0 | 10.7 | 11.9 | 13.0 | 14.0 | 14.6 |
38o S | 14.5 | 13.5 | 12.4 | 11.1 | 10.1 | 9.5 | 9.8 | 10.6 | 11.8 | 13.1 | 14.2 | 14.8 |
40o S | 14.7 | 13.6 | 12.4 | 11.1 | 9.9 | 9.3 | 9.6 | 10.5 | 11.8 | 13.1 | 14.3 | 15.0 |