| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 10 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| February | 178 (High) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |
| March | 46 (Medium) | 35 (Medium) | 5 (Low) | 2 (Low) | 0 (Low) |
| April | 28 (Low) | 51 (Medium) | 27 (Low) | 51 (High) | 2 (Low) |
| May | 25 (Low) | 4 (Low) | 286 (Very high) | 84 (High) | 463 (Very high) |
| June | 6 (Low) | 0 (Low) | 63 (Medium) | 20 (Medium) | 41 (Low) |
| July | 1 (Low) | 0 (Low) | 7 (Low) | 3 (Low) | 1 (Low) |
| August | 1 (Low) | 0 (Low) | 4 (Low) | 2 (Low) | 1 (Low) |
| September | 2 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 0 (Low) |
| October | 8 (Low) | 1 (Low) | 1 (Low) | 1 (Low) | 0 (Low) |
| November | 9 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) |
| December | 2 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |