| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 68 (Medium) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |
| February | 326 (Very high) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |
| March | 139 (High) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |
| April | 29 (Low) | 12 (Low) | 13 (Low) | 2 (Low) | 2 (Low) |
| May | 4 (Low) | 8 (Low) | 41 (Medium) | 32 (Medium) | 31 (Low) |
| June | — | — | — | — | — |
| July | — | — | — | — | — |
| August | — | — | — | — | — |
| September | — | — | — | — | — |
| October | — | — | — | — | — |
| November | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| December | 133 (High) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |