| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 173 (High) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) |
| February | 593 (Very high) | 0 (Low) | 33 (Medium) | 0 (Low) | 0 (Low) |
| March | 297 (Very high) | 227 (High) | 11 (Low) | 0 (Low) | 0 (Low) |
| April | 5 (Low) | 1,553 (Very high) | 9 (Low) | 29 (Medium) | 2 (Low) |
| May | 25 (Low) | 53 (Medium) | 123 (High) | 79 (High) | 130 (Medium) |
| June | 11 (Low) | 2 (Low) | 164 (Very high) | 36 (Medium) | 199 (Medium) |
| July | 2 (Low) | 7 (Low) | 93 (High) | 4 (Low) | 6 (Low) |
| August | 1 (Low) | 0 (Low) | 6 (Low) | 2 (Low) | 2 (Low) |
| September | 2 (Low) | 1 (Low) | 3 (Low) | 1 (Low) | 1 (Low) |
| October | 33 (Medium) | 1 (Low) | 1 (Low) | 1 (Low) | 1 (Low) |
| November | 458 (Very high) | 0 (Low) | 1 (Low) | 1 (Low) | 1 (Low) |
| December | 244 (Very high) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |