USGS Streamgage 06799000
Elkhorn River at Norfolk, Nebr.
Elkhorn River at Norfolk, Nebr. is USGS streamgage 06799000, monitoring river discharge in hydrologic subbasin 10220001. It drains a watershed of about 2,790 square miles. Discharge records at this site go back to 1896. Typical flow runs near 315.2 cfs in July and 651.1 cfs in April, with the higher of the two arriving in April.
Gauge details
- Drainage area
- 2,790 sq mi
- Gauge elevation
- 1,522 ft
- Subbasin (HUC-8)
- 10220001
- Coordinates
- 42.00378, -97.42603
- USGS site number
- 06799000
- Records begin
- 1896-08-01 (130 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 81 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.
| Month | Low p10 | Typical p50 | High p90 | Range |
|---|---|---|---|---|
| January | 176.9 | 280.1 | 508.2 | |
| February | 215.9 | 384.2 | 926.3 | |
| March | 322.2 | 569.7 | 1,800.3 | |
| April | 346.9 | 651.1 | 2,234.3 | |
| May | 295.6 | 626.6 | 1,995.5 | |
| June | 232.7 | 537.6 | 2,102 | |
| July | 134.9 | 315.2 | 1,102.6 | |
| August | 97.3 | 219.4 | 638.3 | |
| September | 102.3 | 208.2 | 517.8 | |
| October | 160.8 | 244.8 | 722.8 | |
| November | 199.5 | 300.2 | 641.8 | |
| December | 183.2 | 294.4 | 571 |
All values in cubic feet per second (cfs).