| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 1,889 (Very high) | 0 (Low) | 6 (Low) | 0 (Low) | 1 (Low) |
| February | 239 (Very high) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) |
| March | 500 (Very high) | 168 (High) | 12 (Low) | 4 (Low) | 1 (Low) |
| April | 19 (Low) | 1,704 (Very high) | 16 (Low) | 47 (Medium) | 6 (Low) |
| May | 43 (Medium) | 13 (Low) | 308 (Very high) | 90 (High) | 218 (High) |
| June | 24 (Low) | 2 (Low) | 68 (Medium) | 17 (Low) | 38 (Low) |
| July | 3 (Low) | 1 (Low) | 63 (Medium) | 7 (Low) | 2 (Low) |
| August | 2 (Low) | 1 (Low) | 5 (Low) | 2 (Low) | 2 (Low) |
| September | 1 (Low) | 2 (Low) | 5 (Low) | 2 (Low) | 1 (Low) |
| October | 26 (Low) | 3 (Low) | 3 (Low) | 3 (Low) | 1 (Low) |
| November | 345 (Very high) | 2 (Low) | 2 (Low) | 1 (Low) | 1 (Low) |
| December | 1,089 (Very high) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |