| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 224 (Very high) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) |
| February | 544 (Very high) | 0 (Low) | 31 (Medium) | 0 (Low) | 0 (Low) |
| March | 142 (High) | 1,480 (Very high) | 16 (Low) | 6 (Low) | 0 (Low) |
| April | 13 (Low) | 503 (Very high) | 19 (Low) | 14 (Low) | 3 (Low) |
| May | 22 (Low) | 2 (Low) | 523 (Very high) | 43 (Medium) | 386 (High) |
| June | 11 (Low) | 6 (Low) | 479 (Very high) | 25 (Medium) | 379 (High) |
| July | 0 (Low) | 0 (Low) | 28 (Low) | 3 (Low) | 2 (Low) |
| August | 2 (Low) | 0 (Low) | 5 (Low) | 3 (Low) | 0 (Low) |
| September | 2 (Low) | 0 (Low) | 5 (Low) | 1 (Low) | 0 (Low) |
| October | 16 (Low) | 12 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| November | 15 (Low) | 11 (Low) | 1 (Low) | 1 (Low) | 0 (Low) |
| December | 99 (High) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |