USGS Streamgage 06402995
French Creek above Stockade Lake near Custer, SD
French Creek above Stockade Lake near Custer, SD is USGS streamgage 06402995 in South Dakota, monitoring river discharge in hydrologic subbasin 10120109. It sits on the French Creek, alongside 1 other gauge Rivermatics tracks on the same river. It drains a watershed of about 68 square miles. Discharge records at this site go back to 1990. Typical flow runs near 6.7 cfs in July and 6.7 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- South Dakota
- Drainage area
- 68 sq mi
- Gauge elevation
- 5,179 ft
- Subbasin (HUC-8)
- 10120109
- Coordinates
- 43.76943, -103.53658
- USGS site number
- 06402995
- Records begin
- 1990-10-01 (36 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 7 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 | — | 0.8 | — | |
| February | — | 2.3 | — | |
| March | — | 5.9 | — | |
| April | — | 6.7 | — | |
| May | — | 23.7 | — | |
| June | — | 24.8 | — | |
| July | — | 6.7 | — | |
| August | — | 4.4 | — | |
| September | — | 3.7 | — | |
| October | — | 2.5 | — | |
| November | — | 2.6 | — | |
| December | — | 1.6 | — |
All values in cubic feet per second (cfs).
Common questions
- When does French Creek above Stockade Lake near Custer, SD normally run highest?
- June, on the long-term record. The median daily flow that month is about 24.8 cfs, against 0.8 cfs in January, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- How long has French Creek above Stockade Lake near Custer, SD been measured?
- Discharge records at USGS site 06402995 begin in 1990, about 36 years. The long record is what makes the monthly percentiles on this page meaningful.
- Where is French Creek above Stockade Lake near Custer, SD?
- The gauge sits at 43.76943, -103.53658, in South Dakota, in hydrologic subbasin 10120109, at an elevation of about 5,179 feet, draining roughly 68 square miles.
- Can I use French Creek above Stockade Lake near Custer, SD data for flood or safety decisions?
- No. Rivermatics provides estimates, not guarantees, and the readings and forecasts here may be delayed, inaccurate, or wrong. Do not use them for navigation or for any safety, rescue, or emergency decision. Check the National Weather Service and USGS directly, and use your own judgment.
Upstream and downstream on the French Creek
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the French Creek in full.
- French Creek above Stockade Lake near Custer, SD this page
- French Creek above Fairburn, SD 105 sq mi