Station is operated in cooperation with the U.S. Environmental Protection Agency .
| Most Recent Instantaneous Value Feb 14 | Min (2009) | 25th percen- tile | Median | Mean | 75th percen- tile | Max (2015) |
|---|---|---|---|---|---|---|
| -- unavailable -- | 1030 | 1340 | 2030 | 2830 | 3080 | 11500 |