| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 525 (Very high) | 1 (Low) | 7 (Low) | 0 (Low) | 0 (Low) |
| February | 699 (Very high) | 1 (Low) | 8 (Low) | 0 (Low) | 1 (Low) |
| March | 241 (Very high) | 2,600 (Very high) | 8 (Low) | 5 (Low) | 1 (Low) |
| April | 21 (Low) | 2,705 (Very high) | 9 (Low) | 79 (High) | 13 (Low) |
| May | 15 (Low) | 135 (High) | 582 (Very high) | 124 (Very high) | 267 (High) |
| June | 22 (Low) | 23 (Low) | 404 (Very high) | 50 (High) | 563 (Very high) |
| July | 4 (Low) | 9 (Low) | 95 (High) | 7 (Low) | 15 (Low) |
| August | 2 (Low) | 3 (Low) | 11 (Low) | 2 (Low) | 4 (Low) |
| September | 2 (Low) | 3 (Low) | 4 (Low) | 1 (Low) | 1 (Low) |
| October | 10 (Low) | 2 (Low) | 1 (Low) | 1 (Low) | 0 (Low) |
| November | 9 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| December | 17 (Low) | 2 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |