| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 1,979 (Very high) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) |
| February | 3,804 (Very high) | 0 (Low) | 10 (Low) | 0 (Low) | 0 (Low) |
| March | 546 (Very high) | 35 (Medium) | 37 (Medium) | 2 (Low) | 0 (Low) |
| April | 72 (Medium) | 99 (Medium) | 25 (Low) | 29 (Medium) | 13 (Low) |
| May | 28 (Low) | 1 (Low) | 95 (High) | 63 (High) | 167 (Medium) |
| June | 19 (Low) | 1 (Low) | 72 (Medium) | 23 (Medium) | 33 (Low) |
| July | 3 (Low) | 0 (Low) | 15 (Low) | 8 (Low) | 2 (Low) |
| August | 1 (Low) | 0 (Low) | 24 (Low) | 4 (Low) | 3 (Low) |
| September | 2 (Low) | 0 (Low) | 5 (Low) | 2 (Low) | 0 (Low) |
| October | 40 (Medium) | 0 (Low) | 79 (Medium) | 2 (Low) | 0 (Low) |
| November | 65 (Medium) | 0 (Low) | 1 (Low) | 2 (Low) | 0 (Low) |
| December | 229 (Very high) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) |