| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 893 (Very high) | 0 (Low) | 9 (Low) | 0 (Low) | 0 (Low) |
| February | 880 (Very high) | 1 (Low) | 13 (Low) | 0 (Low) | 3 (Low) |
| March | 288 (Very high) | 1,285 (Very high) | 19 (Low) | 1 (Low) | 4 (Low) |
| April | 23 (Low) | 528 (Very high) | 33 (Medium) | 55 (High) | 3 (Low) |
| May | 23 (Low) | 0 (Low) | 334 (Very high) | 51 (High) | 193 (Medium) |
| June | 15 (Low) | 0 (Low) | 167 (Very high) | 18 (Low) | 286 (High) |
| July | 2 (Low) | 0 (Low) | 45 (Medium) | 4 (Low) | 2 (Low) |
| August | 0 (Low) | 0 (Low) | 10 (Low) | 3 (Low) | 1 (Low) |
| September | 5 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 1 (Low) |
| October | 56 (Medium) | 1 (Low) | 3 (Low) | 1 (Low) | 0 (Low) |
| November | 221 (Very high) | 2 (Low) | 5 (Low) | 1 (Low) | 2 (Low) |
| December | 396 (Very high) | 0 (Low) | 6 (Low) | 0 (Low) | 1 (Low) |