Station is operated in cooperation with the U.S. Environmental Protection Agency .
| Most Recent Instantaneous Value Mar 11 | Min (2019) | 25th percen- tile | Median | Mean | 75th percen- tile | Max (2014) |
|---|---|---|---|---|---|---|
| -- unavailable -- | 515 | 1690 | 2660 | 3660 | 4110 | 17900 |