| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 333 (Very high) | 0 (Low) | 15 (Low) | 0 (Low) | 0 (Low) |
| February | 603 (Very high) | 0 (Low) | 55 (Medium) | 0 (Low) | 0 (Low) |
| March | 74 (Medium) | 1,952 (Very high) | 9 (Low) | 1 (Low) | 1 (Low) |
| April | 11 (Low) | 686 (Very high) | 10 (Low) | 4 (Low) | 3 (Low) |
| May | 18 (Low) | 6 (Low) | 41 (Medium) | 19 (Low) | 150 (Medium) |
| June | 5 (Low) | 1 (Low) | 26 (Low) | 9 (Low) | 65 (Medium) |
| July | 2 (Low) | 0 (Low) | 7 (Low) | 6 (Low) | 2 (Low) |
| August | 1 (Low) | 0 (Low) | 3 (Low) | 5 (Low) | 2 (Low) |
| September | 1 (Low) | 0 (Low) | 9 (Low) | 2 (Low) | 1 (Low) |
| October | 17 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |
| November | 43 (Medium) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| December | 204 (Very high) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |