USGS Streamgage 06810000
Nishnabotna River above Hamburg, IA
Nishnabotna River above Hamburg, IA is USGS streamgage 06810000, monitoring river discharge in hydrologic subbasin 10240004. It drains a watershed of about 2,806 square miles. Discharge records at this site go back to 1917. Typical flow runs near 1,155.6 cfs in July and 1,000.2 cfs in April, with the higher of the two arriving in July.
Gauge details
- Drainage area
- 2,806 sq mi
- Gauge elevation
- 933 ft
- Subbasin (HUC-8)
- 10240004
- Coordinates
- 40.60119, -95.6445
- USGS site number
- 06810000
- Records begin
- 1917-06-17 (109 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 104 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 | 95.1 | 384.3 | 1,595.8 | |
| February | 144.3 | 618.3 | 2,544.5 | |
| March | 262.6 | 1,025.8 | 4,422.3 | |
| April | 233.2 | 1,000.2 | 3,581 | |
| May | 200.2 | 1,354.2 | 5,430.6 | |
| June | 264.2 | 1,676.7 | 7,118.7 | |
| July | 193.3 | 1,155.6 | 3,969.4 | |
| August | 146.1 | 703.2 | 2,562.9 | |
| September | 117.3 | 502.4 | 2,474.7 | |
| October | 109.8 | 424.2 | 2,276.5 | |
| November | 154.1 | 455.7 | 1,992.7 | |
| December | 110.8 | 379.1 | 1,684.2 |
All values in cubic feet per second (cfs).