USGS Streamgage 06330000
Missouri River near Williston, ND
Missouri River near Williston, ND is USGS streamgage 06330000 in North Dakota, monitoring river discharge in hydrologic subbasin 10110101. It drains a watershed of about 164,500 square miles. Discharge records at this site go back to 1912. Typical flow runs near 27,812.9 cfs in July and 18,326.7 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- North Dakota
- Drainage area
- 164,500 sq mi
- Gauge elevation
- 1,845 ft
- Subbasin (HUC-8)
- 10110101
- Coordinates
- 48.10806, -103.71417
- USGS site number
- 06330000
- Records begin
- 1912-04-01 (114 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 37 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 | 4,499 | 9,701 | 16,238.7 | |
| February | 5,261.7 | 10,463.1 | 18,189.7 | |
| March | 8,666.5 | 15,006.5 | 34,148.4 | |
| April | 10,642.3 | 18,326.7 | 36,983.3 | |
| May | 13,635.5 | 23,700 | 38,777.4 | |
| June | 27,000 | 45,546.7 | 74,026.7 | |
| July | 14,381.6 | 27,812.9 | 49,871 | |
| August | 8,176.8 | 17,322.6 | 33,212.9 | |
| September | 6,544 | 15,150 | 31,510 | |
| October | 8,676.1 | 14,916.1 | 34,164.5 | |
| November | 7,585.3 | 13,123.3 | 22,593.3 | |
| December | 4,747.7 | 9,992.6 | 16,258.1 |
All values in cubic feet per second (cfs).
Common questions
- When does Missouri River near Williston, ND normally run highest?
- June, on the long-term record. The median daily flow that month is about 45,546.7 cfs, against 9,701 cfs in January, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Missouri River near Williston, ND?
- It depends on the month. In January, half of days historically fall near 9,701 cfs, with the middle 80% of days between 4,499 and 16,238.7 cfs. The month-by-month table on this page gives the full range.
- How long has Missouri River near Williston, ND been measured?
- Discharge records at USGS site 06330000 begin in 1912, about 114 years, covering roughly 5,824 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Missouri River near Williston, ND?
- The gauge sits at 48.10806, -103.71417, in North Dakota, in hydrologic subbasin 10110101, at an elevation of about 1,845 feet, draining roughly 164,500 square miles.
- Can I use Missouri River near Williston, ND data for flood or safety decisions?
- No. Rivermatics provides estimates, not guarantees, and the readings and forecasts here may be delayed, inaccurate, or wrong. Do not use them for navigation or for any safety, rescue, or emergency decision. Check the National Weather Service and USGS directly, and use your own judgment.
Other gauges in this subbasin
- Missouri River No. 9 at Williston, ND
- Tobacco Garden Creek near Watford City, ND
- White Earth River at White Earth, ND
- White Earth River above Mouth near Manitou, ND
- Bear Den Creek near Mandaree, ND
- East Fork Shell Creek near Parshall, ND
- Deepwater Creek at Mouth near Raub, ND
- Missouri River No. 5A at Buford, ND