| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 24 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) |
| February | 105 (High) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) |
| March | 98 (High) | 58 (Medium) | 3 (Low) | 0 (Low) | 0 (Low) |
| April | 3 (Low) | 222 (High) | 5 (Low) | 8 (Low) | 9 (Low) |
| May | 2 (Low) | 1 (Low) | 17 (Low) | 11 (Low) | 134 (Medium) |
| June | 19 (Low) | 9 (Low) | 37 (Medium) | 21 (Medium) | 106 (Medium) |
| July | 6 (Low) | 0 (Low) | 11 (Low) | 1 (Low) | 3 (Low) |
| August | 1 (Low) | 0 (Low) | 4 (Low) | 2 (Low) | 1 (Low) |
| September | 1 (Low) | 0 (Low) | 8 (Low) | 1 (Low) | 1 (Low) |
| October | 15 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) |
| November | 9 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| December | 6 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) |