| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 50 (Medium) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) |
| February | 323 (Very high) | 0 (Low) | 8 (Low) | 0 (Low) | 1 (Low) |
| March | 1,439 (Very high) | 520 (Very high) | 22 (Low) | 10 (Low) | 6 (Low) |
| April | 14 (Low) | 3,757 (Very high) | 34 (Medium) | 30 (Medium) | 3 (Low) |
| May | 7 (Low) | 5 (Low) | 341 (Very high) | 62 (High) | 307 (High) |
| June | 5 (Low) | 1 (Low) | 36 (Medium) | 4 (Low) | 53 (Medium) |
| July | 1 (Low) | 0 (Low) | 14 (Low) | 4 (Low) | 5 (Low) |
| August | 1 (Low) | 0 (Low) | 6 (Low) | 4 (Low) | 2 (Low) |
| September | 1 (Low) | 0 (Low) | 5 (Low) | 2 (Low) | 1 (Low) |
| October | 104 (High) | 0 (Low) | 7 (Low) | 1 (Low) | 2 (Low) |
| November | 57 (Medium) | 0 (Low) | 3 (Low) | 0 (Low) | 1 (Low) |
| December | 17 (Low) | 1 (Low) | 2 (Low) | 0 (Low) | 1 (Low) |