| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 330 (Very high) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) |
| February | 228 (Very high) | 0 (Low) | 8 (Low) | 0 (Low) | 0 (Low) |
| March | 144 (High) | 349 (Very high) | 14 (Low) | 1 (Low) | 0 (Low) |
| April | 7 (Low) | 428 (Very high) | 12 (Low) | 28 (Medium) | 4 (Low) |
| May | 4 (Low) | 1 (Low) | 46 (Medium) | 42 (Medium) | 80 (Medium) |
| June | 3 (Low) | 0 (Low) | 43 (Medium) | 11 (Low) | 90 (Medium) |
| July | 1 (Low) | 0 (Low) | 13 (Low) | 2 (Low) | 1 (Low) |
| August | 1 (Low) | 0 (Low) | 4 (Low) | 1 (Low) | 2 (Low) |
| September | 1 (Low) | 0 (Low) | 8 (Low) | 1 (Low) | 1 (Low) |
| October | 21 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 1 (Low) |
| November | 24 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 1 (Low) |
| December | 261 (Very high) | 0 (Low) | 1 (Low) | 1 (Low) | 1 (Low) |