USGS Streamgage 06412900
Rapid Creek below Cleghorn Springs at Rapid City, SD
Rapid Creek below Cleghorn Springs at Rapid City, SD is USGS streamgage 06412900 in South Dakota, monitoring river discharge in hydrologic subbasin 10120110. It sits on the Rapid Creek, alongside 10 other gauges Rivermatics tracks on the same river. It drains a watershed of about 381 square miles. Discharge records at this site go back to 1987. Typical flow runs near 91.3 cfs in July and 25.2 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- South Dakota
- Drainage area
- 381 sq mi
- Gauge elevation
- 3,378 ft
- Subbasin (HUC-8)
- 10120110
- Coordinates
- 44.05915, -103.29741
- USGS site number
- 06412900
- Records begin
- 1987-10-01 (39 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 | — | 20.7 | — | |
| February | — | 21.1 | — | |
| March | — | 22.1 | — | |
| April | — | 25.2 | — | |
| May | — | 59.9 | — | |
| June | — | 76 | — | |
| July | — | 91.3 | — | |
| August | — | 76.7 | — | |
| September | — | 47.3 | — | |
| October | — | 22.1 | — | |
| November | — | 21 | — | |
| December | — | 20.2 | — |
All values in cubic feet per second (cfs).
Common questions
- When does Rapid Creek below Cleghorn Springs at Rapid City, SD normally run highest?
- July, on the long-term record. The median daily flow that month is about 91.3 cfs, against 20.2 cfs in December, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- How long has Rapid Creek below Cleghorn Springs at Rapid City, SD been measured?
- Discharge records at USGS site 06412900 begin in 1987, about 39 years. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Rapid Creek below Cleghorn Springs at Rapid City, SD?
- The gauge sits at 44.05915, -103.29741, in South Dakota, in hydrologic subbasin 10120110, at an elevation of about 3,378 feet, draining roughly 381 square miles.
- Can I use Rapid Creek below Cleghorn Springs at Rapid City, 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 Rapid Creek
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Rapid Creek in full.
- Rapid Creek above Pactola Reservoir at Silver City, SD 293 sq mi
- Rapid Creek below Pactola Dam, SD 321 sq mi
- Rapid Creek above Johnson Siding below Pactola Dam, SD 332 sq mi
- Rapid Creek at Big Bend near Rapid City, SD 338 sq mi
- Rapid Creek above Victoria Creek near Rapid City, SD 356 sq mi
- Rapid Creek above Canyon Lake near Rapid City, SD 374 sq mi
- Rapid Creek below Cleghorn Springs at Rapid City, SD this page
- Rapid Creek at Rapid City, SD 413 sq mi
- Rapid Creek below Hawthorn Ditch at Rapid City, SD 422 sq mi
- Rapid Creek above Wrf near Rapid City, SD 449 sq mi
- Rapid Creek near Farmingdale, SD 603 sq mi
Other gauges in this subbasin
- South Canyon near Rapid City, SD
- Rapid Creek at Rapid City, SD
- Rapid Creek below Hawthorn Ditch at Rapid City, SD
- Rapid Creek above Wrf near Rapid City, SD
- Rapid Creek near Farmingdale, SD
- Rhoads Fork near Rochford, SD
- Castle Creek above Deerfield Reservoir near Hill City, SD
- Castle Creek below Deerfield Dam, SD