| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 1,073 (Very high) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) |
| February | 525 (Very high) | 0 (Low) | 12 (Low) | 0 (Low) | 0 (Low) |
| March | 316 (Very high) | 82 (Medium) | 12 (Low) | 1 (Low) | 1 (Low) |
| April | 54 (Medium) | 3,088 (Very high) | 43 (Medium) | 24 (Medium) | 2 (Low) |
| May | 13 (Low) | 144 (High) | 191 (Very high) | 78 (High) | 99 (Medium) |
| June | 29 (Low) | 11 (Low) | 292 (Very high) | 31 (Medium) | 806 (Very high) |
| July | 4 (Low) | 4 (Low) | 31 (Medium) | 4 (Low) | 71 (Medium) |
| August | 2 (Low) | 3 (Low) | 9 (Low) | 2 (Low) | 7 (Low) |
| September | 3 (Low) | 2 (Low) | 8 (Low) | 2 (Low) | 4 (Low) |
| October | 25 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 1 (Low) |
| November | 5 (Low) | 2 (Low) | 4 (Low) | 3 (Low) | 1 (Low) |
| December | 22 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) |