| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 942 (Very high) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) |
| February | 1,100 (Very high) | 3 (Low) | 17 (Low) | 1 (Low) | 1 (Low) |
| March | 1,012 (Very high) | 228 (High) | 39 (Medium) | 3 (Low) | 2 (Low) |
| April | 26 (Low) | 135 (High) | 26 (Low) | 19 (Low) | 4 (Low) |
| May | 38 (Medium) | 1 (Low) | 373 (Very high) | 23 (Medium) | 480 (Very high) |
| June | 18 (Low) | 1 (Low) | 218 (Very high) | 30 (Medium) | 211 (High) |
| July | 4 (Low) | 0 (Low) | 43 (Medium) | 4 (Low) | 13 (Low) |
| August | 1 (Low) | 1 (Low) | 7 (Low) | 4 (Low) | 1 (Low) |
| September | 3 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 0 (Low) |
| October | 90 (High) | 0 (Low) | 2 (Low) | 1 (Low) | 0 (Low) |
| November | 31 (Medium) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| December | 73 (Medium) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |