| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 1,126 (Very high) | 3 (Low) | 4 (Low) | 0 (Low) | 0 (Low) |
| February | 760 (Very high) | 0 (Low) | 9 (Low) | 0 (Low) | 0 (Low) |
| March | 1,342 (Very high) | 532 (Very high) | 11 (Low) | 2 (Low) | 0 (Low) |
| April | 58 (Medium) | 3,576 (Very high) | 23 (Low) | 53 (High) | 17 (Low) |
| May | 172 (High) | 27 (Low) | 524 (Very high) | 142 (Very high) | 388 (High) |
| June | 44 (Medium) | 8 (Low) | 377 (Very high) | 69 (High) | 738 (Very high) |
| July | 7 (Low) | 4 (Low) | 9 (Low) | 12 (Low) | 7 (Low) |
| August | 4 (Low) | 3 (Low) | 7 (Low) | 9 (Low) | 8 (Low) |
| September | 3 (Low) | 2 (Low) | 5 (Low) | 3 (Low) | 4 (Low) |
| October | 5 (Low) | 3 (Low) | 4 (Low) | 2 (Low) | 3 (Low) |
| November | 14 (Low) | 5 (Low) | 1 (Low) | 1 (Low) | 1 (Low) |
| December | 11 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 1 (Low) |