USGS Streamgage 06818000
Missouri River at St. Joseph, MO
Missouri River at St. Joseph, MO is USGS streamgage 06818000, monitoring river discharge in hydrologic subbasin 10240011. It drains a watershed of about 426,500 square miles. Discharge records at this site go back to 1844. Typical flow runs near 48,761.3 cfs in July and 47,443.3 cfs in April, with the higher of the two arriving in July.
Gauge details
- Drainage area
- 426,500 sq mi
- Gauge elevation
- 815 ft
- Subbasin (HUC-8)
- 10240011
- Coordinates
- 39.75325, -94.85683
- USGS site number
- 06818000
- Records begin
- 1844-06-01 (182 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 69 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 | 14,941.9 | 24,425.8 | 41,861.3 | |
| February | 18,341.4 | 28,924.1 | 52,506.9 | |
| March | 23,380.6 | 39,974.2 | 75,419.4 | |
| April | 34,776.7 | 47,443.3 | 91,453.3 | |
| May | 36,716.1 | 51,803.2 | 101,003.2 | |
| June | 37,503.3 | 56,890 | 111,910 | |
| July | 35,032.3 | 48,761.3 | 95,977.4 | |
| August | 33,593.5 | 43,100 | 74,503.2 | |
| September | 33,860 | 42,326.7 | 77,033.3 | |
| October | 33,432.3 | 42,851.6 | 73,483.9 | |
| November | 20,906.7 | 41,776.7 | 70,603.3 | |
| December | 16,258.1 | 27,493.5 | 52,619.4 |
All values in cubic feet per second (cfs).