| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 151 (High) | 0 (Low) | 13 (Low) | 0 (Low) | 0 (Low) |
| February | 793 (Very high) | 0 (Low) | 26 (Low) | 0 (Low) | 0 (Low) |
| March | 180 (High) | 300 (Very high) | 13 (Low) | 1 (Low) | 0 (Low) |
| April | 23 (Low) | 88 (Medium) | 20 (Low) | 9 (Low) | 2 (Low) |
| May | 11 (Low) | 1 (Low) | 94 (High) | 27 (Medium) | 191 (Medium) |
| June | 2 (Low) | 0 (Low) | 57 (Medium) | 13 (Low) | 83 (Medium) |
| July | 3 (Low) | 0 (Low) | 15 (Low) | 21 (Medium) | 3 (Low) |
| August | 6 (Low) | 0 (Low) | 5 (Low) | 3 (Low) | 1 (Low) |
| September | 2 (Low) | 0 (Low) | 3 (Low) | 1 (Low) | 1 (Low) |
| October | 15 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 0 (Low) |
| November | 42 (Medium) | 0 (Low) | 1 (Low) | 1 (Low) | 1 (Low) |
| December | 24 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) |