USGS Streamgage 06918740
Little Sac River near Morrisville, MO
Little Sac River near Morrisville, MO is USGS streamgage 06918740, monitoring river discharge in hydrologic subbasin 10290106. It drains a watershed of about 237 square miles. Discharge records at this site go back to 1968. Typical flow runs near 39.7 cfs in July and 215.9 cfs in April, with the higher of the two arriving in April.
Gauge details
- Drainage area
- 237 sq mi
- Gauge elevation
- 884 ft
- Subbasin (HUC-8)
- 10290106
- Coordinates
- 37.48286, -93.48564
- USGS site number
- 06918740
- Records begin
- 1968-09-01 (58 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 58 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 | 19.3 | 101.3 | 544 | |
| February | 30.7 | 141.4 | 587.8 | |
| March | 50.1 | 216.7 | 1,028.5 | |
| April | 53.7 | 215.9 | 951.7 | |
| May | 49.2 | 181.7 | 1,065.6 | |
| June | 24.3 | 99.7 | 526.3 | |
| July | 12.6 | 39.7 | 224.8 | |
| August | 7.7 | 21.1 | 113.4 | |
| September | 7.3 | 20.9 | 149 | |
| October | 9.4 | 30.5 | 226.8 | |
| November | 15.3 | 57.6 | 499.2 | |
| December | 15.2 | 96.3 | 460.5 |
All values in cubic feet per second (cfs).