USGS scientist making a streamflow measurement downstream from the USGS gaging station: Niobrara River near Sparks, Nebr.
| Min (2012) | Most Recent Instantaneous Value Jul 21 | 25th percen- tile | Median | Mean | 75th percen- tile | Max (1954) |
|---|---|---|---|---|---|---|
| 351 | 461 | 496 | 588 | 618 | 687 | 1370 |