USGS Streamgage 06935830
Caulks Creek at Chesterfield, MO
Caulks Creek at Chesterfield, MO is USGS streamgage 06935830, monitoring river discharge in hydrologic subbasin 10300200. It drains a watershed of about 17 square miles. Discharge records at this site go back to 1972. Typical flow runs near 9.8 cfs in July and 16.4 cfs in April, with the higher of the two arriving in April.
Gauge details
- Drainage area
- 17 sq mi
- Gauge elevation
- 463 ft
- Subbasin (HUC-8)
- 10300200
- Coordinates
- 38.65467, -90.59489
- USGS site number
- 06935830
- Records begin
- 1972-04-21 (54 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 30 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 | 4.6 | 9.4 | 43.2 | |
| February | 5.7 | 10.8 | 45.1 | |
| March | 7.2 | 14.5 | 70 | |
| April | 8.2 | 16.4 | 77 | |
| May | 7.7 | 15 | 79.1 | |
| June | 6.5 | 11.5 | 64.3 | |
| July | 6.1 | 9.8 | 42.5 | |
| August | 5.3 | 8.3 | 23.4 | |
| September | 4.6 | 7.4 | 27.7 | |
| October | 4.9 | 7.5 | 29.2 | |
| November | 4.7 | 7.9 | 47.8 | |
| December | 4.8 | 8.5 | 30.7 |
All values in cubic feet per second (cfs).