| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 1,193 (Very high) | 1 (Low) | 7 (Low) | 0 (Low) | 0 (Low) |
| February | 813 (Very high) | 0 (Low) | 15 (Low) | 1 (Low) | 0 (Low) |
| March | 400 (Very high) | 2,271 (Very high) | 23 (Low) | 7 (Low) | 0 (Low) |
| April | 60 (Medium) | 530 (Very high) | 38 (Medium) | 41 (Medium) | 29 (Low) |
| May | 38 (Medium) | 15 (Low) | 150 (High) | 53 (High) | 422 (Very high) |
| June | 10 (Low) | 4 (Low) | 59 (Medium) | 10 (Low) | 47 (Low) |
| July | 2 (Low) | 2 (Low) | 18 (Low) | 6 (Low) | 4 (Low) |
| August | 1 (Low) | 1 (Low) | 10 (Low) | 4 (Low) | 3 (Low) |
| September | 7 (Low) | 5 (Low) | 4 (Low) | 2 (Low) | 1 (Low) |
| October | 14 (Low) | 1 (Low) | 3 (Low) | 1 (Low) | 0 (Low) |
| November | 17 (Low) | 3 (Low) | 1 (Low) | 0 (Low) | 1 (Low) |
| December | 102 (High) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |