| Areas | N. Pacific | Philippines | S. America | S. Pacific | Fiji |
| January | 0.6 | 0.2 | 1 | 2 | 1.5 |
| Feb | 1 | 0 | 1 | 2 | 1.5 |
| March | 0.3 | 0.3 | 1.2 | 2.5 | 1 |
| April | 0.6 | 0 | 1 | 3 | 1 |
| May | 1 | 0.2 | 1 | 1.3 | 1.3 |
| June | 1 | 0 | 2 | 2 | 1 |
| July | 0.5 | 2 | 1.5 | 1.5 | 1 |
| August | 1.2 | 0 | 1.3 | 2 | 1 |
| Sept | 1 | 0 | 0.2 | 3 | 1 |
| October | 1 | 0.2 | 1.3 | 1.7 | 1 |
| November | 0.2 | 0 | 2.3 | 1.7 | 1 |
| December | 0 | 0.3 | 2 | 2 | 0.3 |