| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 410 (Very high) | 1 (Low) | 5 (Low) | 0 (Low) | 1 (Low) |
| February | 348 (Very high) | 1 (Low) | 9 (Low) | 0 (Low) | 0 (Low) |
| March | 114 (High) | 310 (Very high) | 9 (Low) | 4 (Low) | 0 (Low) |
| April | 7 (Low) | 1,181 (Very high) | 20 (Low) | 59 (High) | 1 (Low) |
| May | 15 (Low) | 14 (Low) | 357 (Very high) | 119 (Very high) | 175 (Medium) |
| June | 66 (Medium) | 6 (Low) | 405 (Very high) | 77 (High) | 172 (Medium) |
| July | 7 (Low) | 2 (Low) | 139 (High) | 7 (Low) | 21 (Low) |
| August | 1 (Low) | 1 (Low) | 10 (Low) | 3 (Low) | 3 (Low) |
| September | 1 (Low) | 4 (Low) | 11 (Low) | 2 (Low) | 4 (Low) |
| October | 23 (Low) | 5 (Low) | 3 (Low) | 1 (Low) | 1 (Low) |
| November | 44 (Medium) | 1 (Low) | 1 (Low) | 1 (Low) | 0 (Low) |
| December | 55 (Medium) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) |