| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 19 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) |
| February | 565 (Very high) | 0 (Low) | 9 (Low) | 0 (Low) | 0 (Low) |
| March | 151 (High) | 239 (High) | 3 (Low) | 0 (Low) | 0 (Low) |
| April | 3 (Low) | 415 (Very high) | 3 (Low) | 2 (Low) | 0 (Low) |
| May | 5 (Low) | 142 (High) | 172 (Very high) | 40 (Medium) | 214 (High) |
| June | 7 (Low) | 3 (Low) | 108 (High) | 26 (Medium) | 171 (Medium) |
| July | 4 (Low) | 0 (Low) | 40 (Medium) | 4 (Low) | 6 (Low) |
| August | 3 (Low) | 0 (Low) | 6 (Low) | 2 (Low) | 2 (Low) |
| September | 4 (Low) | 0 (Low) | 6 (Low) | 1 (Low) | 3 (Low) |
| October | 4 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) |
| November | 7 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| December | 37 (Medium) | 0 (Low) | 3 (Low) | 0 (Low) | 4 (Low) |