| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 15 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 0 (Low) |
| February | 25 (Low) | 0 (Low) | 27 (Low) | 0 (Low) | 0 (Low) |
| March | 147 (High) | 252 (High) | 12 (Low) | 2 (Low) | 2 (Low) |
| April | 5 (Low) | 552 (Very high) | 16 (Low) | 31 (Medium) | 3 (Low) |
| May | 10 (Low) | 6 (Low) | 382 (Very high) | 132 (Very high) | 84 (Medium) |
| June | 16 (Low) | 0 (Low) | 171 (Very high) | 57 (High) | 245 (High) |
| July | 0 (Low) | 0 (Low) | 46 (Medium) | 8 (Low) | 2 (Low) |
| August | 1 (Low) | 0 (Low) | 4 (Low) | 2 (Low) | 2 (Low) |
| September | 1 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 1 (Low) |
| October | 23 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 1 (Low) |
| November | 1,278 (Very high) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) |
| December | 65 (Medium) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |