| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 95 (High) | 0 (Low) | 4 (Low) | 0 (Low) | 1 (Low) |
| February | 771 (Very high) | 0 (Low) | 13 (Low) | 0 (Low) | 0 (Low) |
| March | 283 (Very high) | 12,917 (Very high) | 29 (Low) | 1 (Low) | 0 (Low) |
| April | 44 (Medium) | 498 (Very high) | 24 (Low) | 21 (Medium) | 9 (Low) |
| May | 75 (Medium) | 5 (Low) | 412 (Very high) | 35 (Medium) | 204 (High) |
| June | 19 (Low) | 0 (Low) | 260 (Very high) | 36 (Medium) | 309 (High) |
| July | 4 (Low) | 0 (Low) | 29 (Low) | 7 (Low) | 7 (Low) |
| August | 1 (Low) | 0 (Low) | 5 (Low) | 4 (Low) | 3 (Low) |
| September | 1 (Low) | 0 (Low) | 6 (Low) | 2 (Low) | 1 (Low) |
| October | 43 (Medium) | 0 (Low) | 3 (Low) | 1 (Low) | 1 (Low) |
| November | 12 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) |
| December | 12 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) |