| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 195 (High) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| February | 1,341 (Very high) | 0 (Low) | 8 (Low) | 0 (Low) | 0 (Low) |
| March | 63 (Medium) | 2,962 (Very high) | 13 (Low) | 2 (Low) | 1 (Low) |
| April | 9 (Low) | 116 (High) | 11 (Low) | 13 (Low) | 85 (Medium) |
| May | 4 (Low) | 0 (Low) | 69 (Medium) | 35 (Medium) | 358 (High) |
| June | 1 (Low) | 0 (Low) | 56 (Medium) | 64 (High) | 16 (Low) |
| July | 1 (Low) | 0 (Low) | 19 (Low) | 25 (Medium) | 1 (Low) |
| August | — | — | — | — | — |
| September | 2 (Low) | 2 (Low) | 3 (Low) | 3 (Low) | 1 (Low) |
| October | 5 (Low) | 0 (Low) | 4 (Low) | 1 (Low) | 1 (Low) |
| November | 9 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| December | 2 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) |