| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 152 (High) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| February | 683 (Very high) | 0 (Low) | 12 (Low) | 0 (Low) | 0 (Low) |
| March | 147 (High) | 2,125 (Very high) | 19 (Low) | 4 (Low) | 0 (Low) |
| April | 37 (Medium) | 113 (High) | 8 (Low) | 10 (Low) | 48 (Low) |
| May | 11 (Low) | 4 (Low) | 75 (Medium) | 47 (Medium) | 257 (High) |
| June | 2 (Low) | 0 (Low) | 93 (High) | 25 (Medium) | 22 (Low) |
| July | 1 (Low) | 0 (Low) | 23 (Low) | 6 (Low) | 2 (Low) |
| August | 1 (Low) | 0 (Low) | 5 (Low) | 6 (Low) | 1 (Low) |
| September | 2 (Low) | 0 (Low) | 5 (Low) | 2 (Low) | 0 (Low) |
| October | 23 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 0 (Low) |
| November | 9 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 0 (Low) |
| December | 4 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) |