USGS Streamgage 06423010
Boxelder Creek near Rapid City, SD
Boxelder Creek near Rapid City, SD is USGS streamgage 06423010 in South Dakota, monitoring river discharge in hydrologic subbasin 10120111. It sits on the Boxelder Creek, alongside 1 other gauge Rivermatics tracks on the same river. It drains a watershed of about 127 square miles. Discharge records at this site go back to 1978. Typical flow runs near 0 cfs in July and 0 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- South Dakota
- Drainage area
- 127 sq mi
- Gauge elevation
- 3,455 ft
- Subbasin (HUC-8)
- 10120111
- Coordinates
- 44.13167, -103.29833
- USGS site number
- 06423010
- Records begin
- 1978-05-15 (48 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 32 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 | 0 | 1.6 | |
| February | 0 | 0 | 1.2 | |
| March | 0 | 0 | 1.3 | |
| April | 0 | 0 | 40.4 | |
| May | 0 | 0 | 73.2 | |
| June | 0 | 0 | 105.2 | |
| July | 0 | 0 | 25.8 | |
| August | 0 | 0 | 14.7 | |
| September | 0 | 0 | 6.4 | |
| October | 0 | 0 | 4.1 | |
| November | 0 | 0 | 2.6 | |
| December | 0 | 0 | 2.4 |
All values in cubic feet per second (cfs).
Common questions
- When does Boxelder Creek near Rapid City, SD normally run highest?
- January, on the long-term record. The median daily flow that month is about 0 cfs, against 0 cfs in January, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Boxelder Creek near Rapid City, SD?
- It depends on the month. In January, half of days historically fall near 0 cfs, with the middle 80% of days between 0 and 1.6 cfs. The month-by-month table on this page gives the full range.
- How long has Boxelder Creek near Rapid City, SD been measured?
- Discharge records at USGS site 06423010 begin in 1978, about 48 years, covering roughly 3,183 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Boxelder Creek near Rapid City, SD?
- The gauge sits at 44.13167, -103.29833, in South Dakota, in hydrologic subbasin 10120111, at an elevation of about 3,455 feet, draining roughly 127 square miles.
- Can I use Boxelder Creek near 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 Boxelder Creek
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Boxelder Creek in full.
- Boxelder Creek near Nemo, SD 94 sq mi
- Boxelder Creek near Rapid City, SD this page