USGS scientist making a streamflow measurement downstream from the USGS gaging station: Niobrara River near Sparks, Nebr.
| Min (1969) | 25th percen- tile | Median | Mean | 75th percen- tile | Most Recent Instantaneous Value Dec 23 | Max (2020) |
|---|---|---|---|---|---|---|
| 450 | 720 | 800 | 803 | 895 | 945 | 1370 |