| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 811 (Very high) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) |
| February | 73 (Medium) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) |
| March | 438 (Very high) | 18 (Low) | 10 (Low) | 1 (Low) | 3 (Low) |
| April | 7 (Low) | 834 (Very high) | 10 (Low) | 16 (Low) | 2 (Low) |
| May | 8 (Low) | 7 (Low) | 74 (Medium) | 18 (Low) | 8 (Low) |
| June | 5 (Low) | 1 (Low) | 48 (Medium) | 9 (Low) | 18 (Low) |
| July | 1 (Low) | 2 (Low) | 5 (Low) | 1 (Low) | 1 (Low) |
| August | 2 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 2 (Low) |
| September | 1 (Low) | 0 (Low) | 3 (Low) | 1 (Low) | 0 (Low) |
| October | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| November | 3 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| December | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) |