USGS Streamgage 06281000
South Fork Shoshone River Ab Buffalo Bill Reservoir, WY
South Fork Shoshone River Ab Buffalo Bill Reservoir, WY is USGS streamgage 06281000 in Wyoming, monitoring river discharge in hydrologic subbasin 10080013. It sits on the South Fork Shoshone River, alongside 1 other gauge Rivermatics tracks on the same river. It drains a watershed of about 580 square miles. Discharge records at this site go back to 1903. Typical flow runs near 790.7 cfs in July and 152.2 cfs in April, with the higher of the two arriving in July. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.
View live conditions & forecast →
Gauge details
- State
- Wyoming
- Drainage area
- 580 sq mi
- Gauge elevation
- 5,452 ft
- Subbasin (HUC-8)
- 10080013
- Coordinates
- 44.41908, -109.25798
- USGS site number
- 06281000
- Records begin
- 1903-05-01 (123 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for South Fork Shoshone River Ab Buffalo Bill Reservoir, WY. Each day carries a median estimate and the band the model expects the flow to fall within — not a single number to plan against. Forecasts are re-issued daily; see the live screen for the current outlook.
| Date | Low p10 | Expected p50 | High p90 | Range |
|---|---|---|---|---|
| 0.1 | 0.4 | 1 | ||
| 0 | 0.5 | 1.5 | ||
| 0 | 0.5 | 1.9 | ||
| 0 | 0.5 | 2.4 | ||
| 0 | 0.5 | 3.5 | ||
| 0 | 0.5 | 3.7 | ||
| 0 | 0.5 | 21.5 | ||
| 0 | 0.7 | 23 | ||
| 0 | 0.8 | 37.8 | ||
| 0 | 1.1 | 50.6 | ||
| 0 | 0.8 | 40.9 | ||
| 0 | 0.9 | 58 | ||
| 0 | 0.7 | 31.7 | ||
| 0 | 0.7 | 46.7 |
All values in cubic feet per second (cfs). Estimates only — do not use them for navigation or for any safety, rescue, or emergency decision.
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 123 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 | 77.8 | 106.8 | 141.5 | |
| February | 78 | 101.4 | 132.1 | |
| March | 85.4 | 109.9 | 165.8 | |
| April | 63.6 | 152.2 | 419.4 | |
| May | 125 | 611.7 | 1,537.6 | |
| June | 551.6 | 1,639 | 3,317 | |
| July | 133.5 | 790.7 | 1,975.1 | |
| August | 1.7 | 70.8 | 388.4 | |
| September | 1 | 15 | 227.8 | |
| October | 22.7 | 99.2 | 300.3 | |
| November | 103.9 | 165.2 | 231.8 | |
| December | 80 | 118.3 | 169.2 |
All values in cubic feet per second (cfs).
Common questions
- When does South Fork Shoshone River Ab Buffalo Bill Reservoir, WY normally run highest?
- June, on the long-term record. The median daily flow that month is about 1,639 cfs, against 15 cfs in September, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for South Fork Shoshone River Ab Buffalo Bill Reservoir, WY?
- It depends on the month. In January, half of days historically fall near 106.8 cfs, with the middle 80% of days between 77.8 and 141.5 cfs. The month-by-month table on this page gives the full range.
- How long has South Fork Shoshone River Ab Buffalo Bill Reservoir, WY been measured?
- Discharge records at USGS site 06281000 begin in 1903, about 123 years, covering roughly 9,200 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for South Fork Shoshone River Ab Buffalo Bill Reservoir, WY?
- Yes. Rivermatics trains a machine-learned model — a temporal-fusion transformer — on this basin's observed flows, weather, and snowpack, and issues a daily flow outlook reaching 14 days ahead: a median estimate inside a confidence band, not a single number to bet on. Every forecast is scored against days the model never trained on, and that track record is published on the live gauge screen. Open live conditions to see the current outlook.
- Where is South Fork Shoshone River Ab Buffalo Bill Reservoir, WY?
- The gauge sits at 44.41908, -109.25798, in Wyoming, in hydrologic subbasin 10080013, at an elevation of about 5,452 feet, draining roughly 580 square miles.
- Can I use South Fork Shoshone River Ab Buffalo Bill Reservoir, WY 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 South Fork Shoshone River
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the South Fork Shoshone River in full.
- South Fork Shoshone River near Valley, WY 306 sq mi
- South Fork Shoshone River Ab Buffalo Bill Reservoir, WY this page