| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 43 (Medium) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) |
| February | 512 (Very high) | 1 (Low) | 20 (Low) | 0 (Low) | 0 (Low) |
| March | 278 (Very high) | 1,312 (Very high) | 14 (Low) | 3 (Low) | 0 (Low) |
| April | 5 (Low) | 154 (High) | 22 (Low) | 59 (High) | 2 (Low) |
| May | 6 (Low) | 2 (Low) | 266 (Very high) | 108 (Very high) | 71 (Medium) |
| June | 6 (Low) | 1 (Low) | 298 (Very high) | 43 (Medium) | 456 (Very high) |
| July | 6 (Low) | 1 (Low) | 32 (Medium) | 9 (Low) | 2 (Low) |
| August | 2 (Low) | 0 (Low) | 11 (Low) | 3 (Low) | 2 (Low) |
| September | 0 (Low) | 1 (Low) | 3 (Low) | 2 (Low) | 0 (Low) |
| October | 1 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 0 (Low) |
| November | 31 (Medium) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| December | 71 (Medium) | 0 (Low) | 2 (Low) | 1 (Low) | 0 (Low) |