| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 19 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |
| February | 512 (Very high) | 1 (Low) | 16 (Low) | 0 (Low) | 0 (Low) |
| March | 602 (Very high) | 3,511 (Very high) | 9 (Low) | 3 (Low) | 0 (Low) |
| April | 22 (Low) | 1,726 (Very high) | 6 (Low) | 13 (Low) | 0 (Low) |
| May | 13 (Low) | 23 (Low) | 162 (Very high) | 39 (Medium) | 112 (Medium) |
| June | 6 (Low) | 9 (Low) | 65 (Medium) | 9 (Low) | 42 (Low) |
| July | 2 (Low) | 3 (Low) | 11 (Low) | 6 (Low) | 2 (Low) |
| August | 1 (Low) | 4 (Low) | 6 (Low) | 5 (Low) | 1 (Low) |
| September | 3 (Low) | 4 (Low) | 8 (Low) | 7 (Low) | 1 (Low) |
| October | 4 (Low) | 10 (Low) | 3 (Low) | 2 (Low) | 1 (Low) |
| November | 5 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 1 (Low) |
| December | 125 (High) | 1 (Low) | 10 (Low) | 1 (Low) | 1 (Low) |