| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 217 (Very high) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |
| February | 165 (High) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) |
| March | 222 (Very high) | 232 (High) | 5 (Low) | 1 (Low) | 0 (Low) |
| April | 4 (Low) | 3,201 (Very high) | 6 (Low) | 17 (Low) | 10 (Low) |
| May | 37 (Medium) | 5 (Low) | 93 (High) | 53 (High) | 431 (Very high) |
| June | 79 (Medium) | 0 (Low) | 125 (High) | 12 (Low) | 458 (Very high) |
| July | 1 (Low) | 1 (Low) | 14 (Low) | 2 (Low) | 7 (Low) |
| August | 1 (Low) | 0 (Low) | 3 (Low) | 1 (Low) | 3 (Low) |
| September | 1 (Low) | 0 (Low) | 5 (Low) | 1 (Low) | 0 (Low) |
| October | 16 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) |
| November | 2 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| December | 35 (Medium) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |