| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 136 (High) | 0 (Low) | 12 (Low) | 0 (Low) | 1 (Low) |
| February | 501 (Very high) | 0 (Low) | 15 (Low) | 1 (Low) | 1 (Low) |
| March | 570 (Very high) | 655 (Very high) | 10 (Low) | 6 (Low) | 4 (Low) |
| April | 7 (Low) | 314 (Very high) | 8 (Low) | 11 (Low) | 3 (Low) |
| May | 3 (Low) | 19 (Low) | 190 (Very high) | 31 (Medium) | 196 (Medium) |
| June | 9 (Low) | 0 (Low) | 65 (Medium) | 11 (Low) | 548 (Very high) |
| July | 2 (Low) | 0 (Low) | 36 (Medium) | 7 (Low) | 15 (Low) |
| August | 1 (Low) | 0 (Low) | 6 (Low) | 2 (Low) | 3 (Low) |
| September | 2 (Low) | 0 (Low) | 3 (Low) | 1 (Low) | 3 (Low) |
| October | 46 (Medium) | 0 (Low) | 3 (Low) | 1 (Low) | 1 (Low) |
| November | 40 (Medium) | 0 (Low) | 1 (Low) | 2 (Low) | 1 (Low) |
| December | 292 (Very high) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |