| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 358 (Very high) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) |
| February | 199 (High) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) |
| March | 234 (Very high) | 382 (Very high) | 6 (Low) | 1 (Low) | 0 (Low) |
| April | 9 (Low) | 245 (High) | 5 (Low) | 28 (Medium) | 0 (Low) |
| May | 4 (Low) | 11 (Low) | 73 (Medium) | 32 (Medium) | 80 (Medium) |
| June | 9 (Low) | 0 (Low) | 77 (Medium) | 14 (Low) | 113 (Medium) |
| July | 2 (Low) | 0 (Low) | 23 (Low) | 2 (Low) | 17 (Low) |
| August | 1 (Low) | 0 (Low) | 9 (Low) | 2 (Low) | 3 (Low) |
| September | 1 (Low) | 0 (Low) | 7 (Low) | 1 (Low) | 0 (Low) |
| October | 15 (Low) | 0 (Low) | 5 (Low) | 1 (Low) | 1 (Low) |
| November | 18 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) |
| December | 29 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) |