| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 715 (Very high) | 0 (Low) | 8 (Low) | 0 (Low) | 0 (Low) |
| February | 442 (Very high) | 0 (Low) | 9 (Low) | 0 (Low) | 0 (Low) |
| March | 444 (Very high) | 130 (High) | 11 (Low) | 0 (Low) | 0 (Low) |
| April | 4 (Low) | 109 (High) | 5 (Low) | 12 (Low) | 10 (Low) |
| May | 4 (Low) | 5 (Low) | 139 (High) | 17 (Low) | 30 (Low) |
| June | 1 (Low) | 0 (Low) | 70 (Medium) | 42 (Medium) | 78 (Medium) |
| July | 1 (Low) | 0 (Low) | 54 (Medium) | 7 (Low) | 9 (Low) |
| August | 3 (Low) | 0 (Low) | 10 (Low) | 2 (Low) | 1 (Low) |
| September | 1 (Low) | 0 (Low) | 3 (Low) | 1 (Low) | 1 (Low) |
| October | 20 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) |
| November | 8 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| December | 165 (High) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |