| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 7 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| February | 199 (High) | 0 (Low) | 11 (Low) | 0 (Low) | 0 (Low) |
| March | 191 (High) | 7,536 (Very high) | 9 (Low) | 4 (Low) | 0 (Low) |
| April | 6 (Low) | 553 (Very high) | 8 (Low) | 23 (Medium) | 3 (Low) |
| May | 2 (Low) | 63 (Medium) | 174 (Very high) | 33 (Medium) | 26 (Low) |
| June | 2 (Low) | 0 (Low) | 143 (High) | 20 (Medium) | 192 (Medium) |
| July | 5 (Low) | 0 (Low) | 20 (Low) | 7 (Low) | 4 (Low) |
| August | 1 (Low) | 0 (Low) | 4 (Low) | 5 (Low) | 2 (Low) |
| September | 1 (Low) | 0 (Low) | 5 (Low) | 1 (Low) | 1 (Low) |
| October | 1 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) |
| November | 4 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) |
| December | 8 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |