USGS Streamgage 06903900
Chariton River near Rathbun, IA
Chariton River near Rathbun, IA is USGS streamgage 06903900, monitoring river discharge in hydrologic subbasin 10280201. It drains a watershed of about 549 square miles. Discharge records at this site go back to 1956. Typical flow runs near 528.9 cfs in July and 122.3 cfs in April, with the higher of the two arriving in July.
Gauge details
- Drainage area
- 549 sq mi
- Gauge elevation
- 864 ft
- Subbasin (HUC-8)
- 10280201
- Coordinates
- 40.82186, -92.89097
- USGS site number
- 06903900
- Records begin
- 1956-10-01 (70 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 48 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 | 17.3 | 33.6 | 976.4 | |
| February | 17.3 | 59.2 | 1,215.2 | |
| March | 17.3 | 203.7 | 1,308.1 | |
| April | 17 | 122.3 | 925.4 | |
| May | 19.6 | 350.6 | 987.5 | |
| June | 18.9 | 535.9 | 1,148.7 | |
| July | 18.6 | 528.9 | 1,351 | |
| August | 15.6 | 85.1 | 1,378.4 | |
| September | 17.1 | 33.2 | 1,136.9 | |
| October | 15.6 | 29 | 992.6 | |
| November | 13.4 | 28.4 | 1,025.4 | |
| December | 16.7 | 144 | 1,304.5 |
All values in cubic feet per second (cfs).