USGS Streamgage 06486000
Missouri River at Sioux City, IA
Missouri River at Sioux City, IA is USGS streamgage 06486000, monitoring river discharge in hydrologic subbasin 10230001. It drains a watershed of about 314,600 square miles. Discharge records at this site go back to 1928. Typical flow runs near 32,638.7 cfs in July and 30,696.7 cfs in April, with the higher of the two arriving in July.
Gauge details
- Drainage area
- 314,600 sq mi
- Gauge elevation
- 1,099 ft
- Subbasin (HUC-8)
- 10230001
- Coordinates
- 42.48619, -96.41308
- USGS site number
- 06486000
- Records begin
- 1928-10-01 (98 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 74 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 | 9,192.9 | 16,093.5 | 24,932.3 | |
| February | 8,987.2 | 17,265.5 | 26,886.2 | |
| March | 11,756.5 | 22,564.5 | 36,174.2 | |
| April | 23,656.7 | 30,696.7 | 46,630 | |
| May | 24,819.4 | 31,551.6 | 47,200 | |
| June | 25,886.7 | 32,053.3 | 53,946.7 | |
| July | 26,422.6 | 32,638.7 | 53,993.5 | |
| August | 26,519.4 | 32,377.4 | 55,412.9 | |
| September | 26,850 | 32,980 | 55,643.3 | |
| October | 22,351.6 | 32,625.8 | 54,741.9 | |
| November | 10,611.7 | 29,666.7 | 54,280 | |
| December | 9,181.9 | 17,351.6 | 32,148.4 |
All values in cubic feet per second (cfs).
Other gauges in this subbasin
- Perry Creek near Millnerville, IA
- Perry Creek near Hinton, IA
- Perry Creek at 38th Street at Sioux City, IA
- South Omaha Creek at Walthill, Nebr.
- Omaha Creek at Homer, Nebr.
- North Blackbird Creek at Hwy 75 at Macy, Nebr.
- South Blackbird Creek at Hwy 75 near Macy, Nebr.
- Blackbird Creek near Macy, Nebr.