| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 67 (Medium) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) |
| February | 280 (Very high) | 0 (Low) | 13 (Low) | 0 (Low) | 0 (Low) |
| March | 27 (Low) | 3,141 (Very high) | 8 (Low) | 13 (Low) | 0 (Low) |
| April | 2 (Low) | 1 (Low) | 7 (Low) | 52 (High) | 4 (Low) |
| May | 14 (Low) | 2 (Low) | 300 (Very high) | 176 (Very high) | 869 (Very high) |
| June | 3 (Low) | 1 (Low) | 165 (Very high) | 45 (Medium) | 50 (Medium) |
| July | 7 (Low) | 6 (Low) | 48 (Medium) | 8 (Low) | 16 (Low) |
| August | 2 (Low) | 8 (Low) | 10 (Low) | 5 (Low) | 4 (Low) |
| September | 5 (Low) | 4 (Low) | 7 (Low) | 3 (Low) | 3 (Low) |
| October | 4 (Low) | 5 (Low) | 4 (Low) | 1 (Low) | 3 (Low) |
| November | 302 (Very high) | 1 (Low) | 4 (Low) | 1 (Low) | 1 (Low) |
| December | 530 (Very high) | 0 (Low) | 2 (Low) | 0 (Low) | 1 (Low) |