USGS Streamgage 06821150
Little Platte River at Smithville, MO
Little Platte River at Smithville, MO is USGS streamgage 06821150, monitoring river discharge in hydrologic subbasin 10240012. It drains a watershed of about 234 square miles. Discharge records at this site go back to 1947. Typical flow runs near 44.8 cfs in July and 29.3 cfs in April, with the higher of the two arriving in July.
Gauge details
- Drainage area
- 234 sq mi
- Gauge elevation
- 815 ft
- Subbasin (HUC-8)
- 10240012
- Coordinates
- 39.38806, -94.57912
- USGS site number
- 06821150
- Records begin
- 1947-01-01 (79 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 50 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 | 7.8 | 15.8 | 419.7 | |
| February | 8 | 23.2 | 309.1 | |
| March | 10.2 | 28.9 | 554.5 | |
| April | 10.1 | 29.3 | 645.8 | |
| May | 9.8 | 43.3 | 829.1 | |
| June | 9 | 97 | 881.3 | |
| July | 8.5 | 44.8 | 940.8 | |
| August | 7.4 | 11.8 | 459.8 | |
| September | 6.8 | 10.7 | 461.5 | |
| October | 6.8 | 11.6 | 589.1 | |
| November | 7.3 | 12.8 | 498.5 | |
| December | 8 | 15.5 | 375.2 |
All values in cubic feet per second (cfs).