USGS scientist making a streamflow measurement downstream from the USGS gaging station: Niobrara River near Sparks, Nebr.
| Min (1975) | 25th percen- tile | Median | Mean | Most Recent Instantaneous Value Apr 1 | 75th percen- tile | Max (2019) |
|---|---|---|---|---|---|---|
| 557 | 819 | 942 | 976 | 989 | 1050 | 2000 |