| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 950 (Very high) | 0 (Low) | 7 (Low) | 0 (Low) | 1 (Low) |
| February | 157 (High) | 1 (Low) | 9 (Low) | 0 (Low) | 0 (Low) |
| March | 230 (Very high) | 698 (Very high) | 4 (Low) | 0 (Low) | 1 (Low) |
| April | 5 (Low) | 1,690 (Very high) | 3 (Low) | 23 (Medium) | 9 (Low) |
| May | 2 (Low) | 5 (Low) | 47 (Medium) | 36 (Medium) | 49 (Low) |
| June | 5 (Low) | 1 (Low) | 56 (Medium) | 9 (Low) | 14 (Low) |
| July | 4 (Low) | 2 (Low) | 294 (Very high) | 18 (Low) | 6 (Low) |
| August | 1 (Low) | 1 (Low) | 12 (Low) | 2 (Low) | 2 (Low) |
| September | 1 (Low) | 0 (Low) | 5 (Low) | 2 (Low) | 1 (Low) |
| October | 2 (Low) | 1 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |
| November | 2 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 1 (Low) |
| December | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) |