| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 1,047 (Very high) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) |
| February | 416 (Very high) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) |
| March | 662 (Very high) | 4,121 (Very high) | 8 (Low) | 2 (Low) | 0 (Low) |
| April | 11 (Low) | 7,929 (Very high) | 26 (Low) | 27 (Medium) | 5 (Low) |
| May | 5 (Low) | 54 (Medium) | 239 (Very high) | 34 (Medium) | 61 (Medium) |
| June | 1 (Low) | 0 (Low) | 87 (High) | 23 (Medium) | 138 (Medium) |
| July | 2 (Low) | 0 (Low) | 12 (Low) | 3 (Low) | 4 (Low) |
| August | 1 (Low) | 0 (Low) | 2 (Low) | 2 (Low) | 1 (Low) |
| September | 4 (Low) | 0 (Low) | 5 (Low) | 1 (Low) | 1 (Low) |
| October | 15 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 1 (Low) |
| November | 243 (Very high) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |
| December | 209 (Very high) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) |