| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 739 (Very high) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) |
| February | 3,161 (Very high) | 0 (Low) | 11 (Low) | 0 (Low) | 0 (Low) |
| March | 983 (Very high) | 790 (Very high) | 8 (Low) | 1 (Low) | 0 (Low) |
| April | 19 (Low) | 909 (Very high) | 22 (Low) | 10 (Low) | 2 (Low) |
| May | 9 (Low) | 17 (Low) | 138 (High) | 15 (Low) | 278 (High) |
| June | 4 (Low) | 4 (Low) | 79 (Medium) | 19 (Low) | 10 (Low) |
| July | 1 (Low) | 5 (Low) | 21 (Low) | 4 (Low) | 1 (Low) |
| August | 1 (Low) | 1 (Low) | 4 (Low) | 3 (Low) | 1 (Low) |
| September | 1 (Low) | 4 (Low) | 3 (Low) | 1 (Low) | 0 (Low) |
| October | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| November | 5 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| December | 3 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) |