| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 147 (High) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) |
| February | 621 (Very high) | 0 (Low) | 10 (Low) | 0 (Low) | 0 (Low) |
| March | 366 (Very high) | 996 (Very high) | 13 (Low) | 5 (Low) | 9 (Low) |
| April | 41 (Medium) | 629 (Very high) | 23 (Low) | 52 (High) | 77 (Medium) |
| May | 19 (Low) | 10 (Low) | 127 (High) | 40 (Medium) | 488 (Very high) |
| June | 7 (Low) | 2 (Low) | 44 (Medium) | 17 (Low) | 58 (Medium) |
| July | 3 (Low) | 1 (Low) | 7 (Low) | 13 (Low) | 4 (Low) |
| August | 2 (Low) | 3 (Low) | 6 (Low) | 3 (Low) | 2 (Low) |
| September | 4 (Low) | 6 (Low) | 5 (Low) | 2 (Low) | 1 (Low) |
| October | 14 (Low) | 2 (Low) | 6 (Low) | 2 (Low) | 1 (Low) |
| November | 4 (Low) | 1 (Low) | 2 (Low) | 1 (Low) | 1 (Low) |
| December | 45 (Medium) | 1 (Low) | 2 (Low) | 1 (Low) | 0 (Low) |