| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 34 (Medium) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) |
| February | 335 (Very high) | 0 (Low) | 36 (Medium) | 0 (Low) | 1 (Low) |
| March | 163 (High) | 512 (Very high) | 18 (Low) | 1 (Low) | 1 (Low) |
| April | 15 (Low) | 660 (Very high) | 78 (Medium) | 40 (Medium) | 5 (Low) |
| May | 13 (Low) | 1 (Low) | 312 (Very high) | 56 (High) | 90 (Medium) |
| June | 2 (Low) | 0 (Low) | 222 (Very high) | 42 (Medium) | 147 (Medium) |
| July | 1 (Low) | 0 (Low) | 30 (Medium) | 2 (Low) | 6 (Low) |
| August | 1 (Low) | 0 (Low) | 4 (Low) | 2 (Low) | 2 (Low) |
| September | 1 (Low) | 0 (Low) | 5 (Low) | 1 (Low) | 1 (Low) |
| October | 15 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 1 (Low) |
| November | 527 (Very high) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| December | 53 (Medium) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |