Rapid Creek above Canyon Lake Near Rapid City,sd
USGS Site No: 06412500 • Rapid Creek • Pennington County, SD
Rapid Creek above Canyon Lake Near Rapid City,sd on the Rapid Creek is currently at 40 cfs (Normal — 25th percentile for this date) . Gage height: 2.14 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for June 11 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.
| Percentile | Label | CFS Threshold | Today's Flow |
|---|---|---|---|
| 10th | Very Low threshold | 25 | |
| 25th | Low threshold | 40 | |
| 50th (Median) | Normal (median) | 71 | Today: 40 cfs |
| 75th | High threshold | 146 | |
| 95th | Very High threshold | 520 |
30-Day Hydrograph
Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.
30-Day Flow History
| Date | Discharge (CFS) | Gage Ht (ft) |
|---|---|---|
| May 28, 2026 | 39 | 2.12 |
| May 27, 2026 | 40 | 2.14 |
| May 26, 2026 | 44 | 2.18 |
| May 25, 2026 | 38 | 2.11 |
| May 24, 2026 | 43 | 2.17 |
| May 23, 2026 | 32 | 2.04 |
| May 22, 2026 | 49 | 2.23 |
| May 21, 2026 | 52 | 2.26 |
| May 20, 2026 | 56 | 2.31 |
| May 19, 2026 | 62 | 2.36 |
| May 18, 2026 | 65 | 2.39 |
| May 17, 2026 | 65 | 2.39 |
| May 16, 2026 | 64 | 2.38 |
| May 15, 2026 | 54 | 2.29 |
| Apr 20, 2026 | 17 | 1.79 |
| Apr 19, 2026 | 16 | 1.77 |
| Apr 18, 2026 | 15 | 1.76 |
| Apr 17, 2026 | 16 | 1.77 |
| Apr 16, 2026 | 16 | 1.77 |
| Apr 15, 2026 | 17 | 1.79 |
| Apr 14, 2026 | 16 | 1.77 |
| Apr 13, 2026 | 16 | 1.78 |
| Apr 12, 2026 | 17 | 1.80 |
| Apr 11, 2026 | 17 | 1.80 |
| Apr 10, 2026 | 16 | 1.78 |
| Apr 9, 2026 | 15 | 1.76 |
| Apr 8, 2026 | 16 | 1.78 |
| Apr 7, 2026 | 17 | 1.79 |
| Apr 6, 2026 | 15 | 1.76 |
| Apr 5, 2026 | 16 | 1.78 |
Station Information
- USGS Site No
- 06412500
- State
- SD
- County
- Pennington County
- Coordinates
- 44.0528, -103.3119
- Drainage Area
- 374 mi²
- Datum (ft)
- 3,401.2
- HUC Code
- 10120110
Flood Stage Thresholds
- Action Stage
- 5.0 ft
- Flood Stage
- 7.0 ft
- Moderate Flood
- 9.0 ft
- Major Flood
- 11.0 ft
Currently 4.86 ft below flood stage.
Recent Extremes
- Max discharge
-
65 cfsMay 17, 2026
- Min discharge
-
6 cfsFeb 20, 2026
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Cleghorn Springs at Rapid City, SDVery Low0.8 mi · 8 cfs
-
Rapid Creek below Cleghorn Spgs at Rapid City SDLow0.8 mi · 35 cfs
-
Rapid Creek above Victoria Creek near Rapid City, SDUnknown2.0 mi · 0 cfs
-
Rapid Creek at Rapid City,sdLow4.1 mi · 52 cfs
-
Spring Creek Near Keystone,sdVery Low5.4 mi · 1 cfs