| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 930 (Very high) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) |
| February | 327 (Very high) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) |
| March | 287 (Very high) | 97 (Medium) | 2 (Low) | 5 (Low) | 0 (Low) |
| April | 24 (Low) | 299 (High) | 22 (Low) | 30 (Medium) | 15 (Low) |
| May | 18 (Low) | 2 (Low) | 278 (Very high) | 132 (Very high) | 268 (High) |
| June | 3 (Low) | 0 (Low) | 64 (Medium) | 8 (Low) | 82 (Medium) |
| July | 1 (Low) | 0 (Low) | 10 (Low) | 2 (Low) | 1 (Low) |
| August | 1 (Low) | 1 (Low) | 1 (Low) | 1 (Low) | 0 (Low) |
| September | 1 (Low) | 0 (Low) | 3 (Low) | 1 (Low) | 0 (Low) |
| October | 16 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 0 (Low) |
| November | 10 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| December | 97 (High) | 0 (Low) | 1 (Low) | 0 (Low) | 2 (Low) |