| Site | ≥10 mph | ||||
| Before | 1 Mo. | Change | 12 Mo. | Change | |
| Roland East | 0.20 | 0.17 | −15.0% (p < 0.01) | 0.06 | −70.0% (p = 0) |
| Roland West | 0.21 | 0.14 | −33.3% (p = 0) | 0.14 | −33.3% (p = 0) |
|
| ≥15 mph | ||||
| Roland East | 0.05 | 0.04 | −20.0% (p = 0.14) | 0.004 | −92.0% (p = 0) |
| Roland West | 0.03 | 0.025 | −16.7% (p = 0.09) | 0.02 | −33.3% (p = 0) |