| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 883 (Very high) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |
| February | 63 (Medium) | 1 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |
| March | 85 (Medium) | 292 (High) | 10 (Low) | 0 (Low) | 0 (Low) |
| April | 1 (Low) | 114 (High) | 5 (Low) | 9 (Low) | 0 (Low) |
| May | 1 (Low) | 0 (Low) | 32 (Medium) | 10 (Low) | 13 (Low) |
| June | 5 (Low) | 0 (Low) | 39 (Medium) | 23 (Medium) | 15 (Low) |
| July | 1 (Low) | 0 (Low) | 25 (Low) | 8 (Low) | 1 (Low) |
| August | 14 (Low) | 0 (Low) | 4 (Low) | 2 (Low) | 2 (Low) |
| September | 1 (Low) | 0 (Low) | 3 (Low) | 1 (Low) | 1 (Low) |
| October | 2 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 0 (Low) |
| November | 2 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) |
| December | 40 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) |