| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 580 (Very high) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) |
| February | 600 (Very high) | 0 (Low) | 26 (Low) | 0 (Low) | 0 (Low) |
| March | 556 (Very high) | 608 (Very high) | 16 (Low) | 1 (Low) | 3 (Low) |
| April | 24 (Low) | 518 (Very high) | 15 (Low) | 25 (Medium) | 2 (Low) |
| May | 23 (Low) | 20 (Low) | 373 (Very high) | 177 (Very high) | 261 (High) |
| June | 8 (Low) | 17 (Low) | 165 (Very high) | 30 (Medium) | 377 (High) |
| July | 3 (Low) | 1 (Low) | 102 (High) | 21 (Medium) | 7 (Low) |
| August | 1 (Low) | 0 (Low) | 5 (Low) | 1 (Low) | 1 (Low) |
| September | 1 (Low) | 2 (Low) | 4 (Low) | 1 (Low) | 1 (Low) |
| October | 13 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) |
| November | 6 (Low) | 1 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |
| December | 610 (Very high) | 0 (Low) | 2 (Low) | 0 (Low) | 1 (Low) |