| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 134 (High) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) |
| February | 994 (Very high) | 0 (Low) | 22 (Low) | 0 (Low) | 1 (Low) |
| March | 1,409 (Very high) | 1,876 (Very high) | 13 (Low) | 4 (Low) | 1 (Low) |
| April | 8 (Low) | 208 (High) | 26 (Low) | 22 (Medium) | 3 (Low) |
| May | 14 (Low) | 25 (Low) | 156 (Very high) | 42 (Medium) | 739 (Very high) |
| June | 15 (Low) | 2 (Low) | 54 (Medium) | 16 (Low) | 188 (Medium) |
| July | 1 (Low) | 1 (Low) | 20 (Low) | 3 (Low) | 7 (Low) |
| August | 13 (Low) | 1 (Low) | 9 (Low) | 2 (Low) | 4 (Low) |
| September | 0 (Low) | 0 (Low) | 7 (Low) | 1 (Low) | 3 (Low) |
| October | 59 (Medium) | 2 (Low) | 7 (Low) | 0 (Low) | 4 (Low) |
| November | 6 (Low) | 0 (Low) | 6 (Low) | 1 (Low) | 2 (Low) |
| December | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) |