| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 111 (High) | 0 (Low) | 3 (Low) | 1 (Low) | 0 (Low) |
| February | 299 (Very high) | 1 (Low) | 14 (Low) | 0 (Low) | 0 (Low) |
| March | 389 (Very high) | 2 (Low) | 14 (Low) | 0 (Low) | 1 (Low) |
| April | 57 (Medium) | 336 (Very high) | 35 (Medium) | 55 (High) | 17 (Low) |
| May | 90 (High) | 25 (Low) | 542 (Very high) | 86 (High) | 356 (High) |
| June | 124 (High) | 2 (Low) | 412 (Very high) | 41 (Medium) | 387 (High) |
| July | 2 (Low) | 1 (Low) | 45 (Medium) | 15 (Low) | 6 (Low) |
| August | 1 (Low) | 1 (Low) | 9 (Low) | 3 (Low) | 1 (Low) |
| September | 2 (Low) | 0 (Low) | 3 (Low) | 1 (Low) | 1 (Low) |
| October | 35 (Medium) | 1 (Low) | 2 (Low) | 1 (Low) | 1 (Low) |
| November | 75 (Medium) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) |
| December | 153 (High) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |