| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 2,275 (Very high) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |
| February | 394 (Very high) | 0 (Low) | 14 (Low) | 0 (Low) | 0 (Low) |
| March | 1,072 (Very high) | 514 (Very high) | 15 (Low) | 2 (Low) | 0 (Low) |
| April | 28 (Low) | 1,871 (Very high) | 26 (Low) | 41 (Medium) | 4 (Low) |
| May | 63 (Medium) | 11 (Low) | 492 (Very high) | 86 (High) | 214 (High) |
| June | 36 (Medium) | 3 (Low) | 68 (Medium) | 33 (Medium) | 49 (Low) |
| July | 5 (Low) | 5 (Low) | 61 (Medium) | 11 (Low) | 4 (Low) |
| August | 2 (Low) | 1 (Low) | 6 (Low) | 3 (Low) | 0 (Low) |
| September | 4 (Low) | 0 (Low) | 7 (Low) | 1 (Low) | 0 (Low) |
| October | 18 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 0 (Low) |
| November | 211 (Very high) | 1 (Low) | 3 (Low) | 0 (Low) | 0 (Low) |
| December | 490 (Very high) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |