| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 37 (Medium) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) |
| February | 262 (Very high) | 1 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |
| March | 108 (High) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |
| April | 26 (Low) | 17 (Low) | 10 (Low) | 2 (Low) | 0 (Low) |
| May | 15 (Low) | 5 (Low) | 97 (High) | 14 (Low) | 3 (Low) |
| June | 43 (Medium) | 0 (Low) | 197 (Very high) | 28 (Medium) | 128 (Medium) |
| July | 4 (Low) | 0 (Low) | 34 (Medium) | 9 (Low) | 3 (Low) |
| August | 10 (Low) | 0 (Low) | 14 (Low) | 4 (Low) | 3 (Low) |
| September | 3 (Low) | 0 (Low) | 4 (Low) | 2 (Low) | 2 (Low) |
| October | 38 (Medium) | 0 (Low) | 2 (Low) | 2 (Low) | 0 (Low) |
| November | 49 (Medium) | 0 (Low) | 0 (Low) | 5 (Low) | 1 (Low) |
| December | 1,069 (Very high) | 0 (Low) | 2 (Low) | 1 (Low) | 1 (Low) |