| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 223 (Very high) | 0 (Low) | 9 (Low) | 0 (Low) | 0 (Low) |
| February | 519 (Very high) | 0 (Low) | 26 (Low) | 1 (Low) | 0 (Low) |
| March | 47 (Medium) | 944 (Very high) | 18 (Low) | 2 (Low) | 8 (Low) |
| April | 20 (Low) | 454 (Very high) | 16 (Low) | 17 (Low) | 5 (Low) |
| May | 19 (Low) | 1 (Low) | 388 (Very high) | 26 (Medium) | 611 (Very high) |
| June | 10 (Low) | 0 (Low) | 216 (Very high) | 15 (Low) | 168 (Medium) |
| July | 1 (Low) | 3 (Low) | 17 (Low) | 5 (Low) | 3 (Low) |
| August | 3 (Low) | 0 (Low) | 8 (Low) | 2 (Low) | 1 (Low) |
| September | 1 (Low) | 0 (Low) | 5 (Low) | 2 (Low) | 1 (Low) |
| October | 20 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 0 (Low) |
| November | 189 (High) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) |
| December | 129 (High) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |