| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 1,319 (Very high) | 0 (Low) | 10 (Low) | 0 (Low) | 0 (Low) |
| February | 240 (Very high) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) |
| March | 808 (Very high) | 603 (Very high) | 9 (Low) | 2 (Low) | 0 (Low) |
| April | 4 (Low) | 1,127 (Very high) | 37 (Medium) | 39 (Medium) | 4 (Low) |
| May | 18 (Low) | 0 (Low) | 444 (Very high) | 99 (High) | 218 (High) |
| June | 6 (Low) | 0 (Low) | 94 (High) | 9 (Low) | 64 (Medium) |
| July | 2 (Low) | 2 (Low) | 25 (Low) | 3 (Low) | 4 (Low) |
| August | 2 (Low) | 0 (Low) | 7 (Low) | 3 (Low) | 0 (Low) |
| September | 2 (Low) | 0 (Low) | 6 (Low) | 1 (Low) | 2 (Low) |
| October | 4 (Low) | 0 (Low) | 6 (Low) | 1 (Low) | 1 (Low) |
| November | 151 (High) | 0 (Low) | 2 (Low) | 1 (Low) | 0 (Low) |
| December | 734 (Very high) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) |