| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 840 (Very high) | 0 (Low) | 8 (Low) | 0 (Low) | 0 (Low) |
| February | 2,431 (Very high) | 0 (Low) | 5 (Low) | 3 (Low) | 0 (Low) |
| March | 62 (Medium) | 2 (Low) | 3 (Low) | 0 (Low) | 0 (Low) |
| April | — | — | — | — | — |
| May | 25 (Low) | 5 (Low) | 182 (Very high) | 121 (Very high) | 154 (Medium) |
| June | 3 (Low) | 1 (Low) | 31 (Medium) | 171 (Very high) | 10 (Low) |
| July | 1 (Low) | 2 (Low) | 19 (Low) | 35 (Medium) | 3 (Low) |
| August | 3 (Low) | 1 (Low) | 9 (Low) | 3 (Low) | 4 (Low) |
| September | 3 (Low) | 1 (Low) | 6 (Low) | 1 (Low) | 3 (Low) |
| October | 105 (High) | 2 (Low) | 205 (Very high) | 2 (Low) | 1 (Low) |
| November | 31 (Medium) | 0 (Low) | 7 (Low) | 1 (Low) | 1 (Low) |
| December | 98 (High) | 0 (Low) | 4 (Low) | 1 (Low) | 1 (Low) |