| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 151 (High) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) |
| February | 218 (Very high) | 1 (Low) | 37 (Medium) | 0 (Low) | 0 (Low) |
| March | 715 (Very high) | 955 (Very high) | 19 (Low) | 3 (Low) | 0 (Low) |
| April | 17 (Low) | 1,342 (Very high) | 31 (Medium) | 60 (High) | 1 (Low) |
| May | 32 (Medium) | 11 (Low) | 460 (Very high) | 92 (High) | 428 (Very high) |
| June | 11 (Low) | 3 (Low) | 43 (Medium) | 10 (Low) | 70 (Medium) |
| July | 1 (Low) | 1 (Low) | 10 (Low) | 6 (Low) | 2 (Low) |
| August | 12 (Low) | 1 (Low) | 5 (Low) | 5 (Low) | 1 (Low) |
| September | 2 (Low) | 2 (Low) | 9 (Low) | 1 (Low) | 0 (Low) |
| October | 75 (Medium) | 12 (Low) | 3 (Low) | 1 (Low) | 1 (Low) |
| November | 43 (Medium) | 4 (Low) | 3 (Low) | 0 (Low) | 0 (Low) |
| December | 8 (Low) | 1 (Low) | 7 (Low) | 0 (Low) | 0 (Low) |