USGS Streamgage 06228350
SF L Wind River Ab Washakie Reservoir, near Ft Washakie, WY
SF L Wind River Ab Washakie Reservoir, near Ft Washakie, WY is USGS streamgage 06228350 in Wyoming, monitoring river discharge in hydrologic subbasin 10080002. It drains a watershed of about 90 square miles. Discharge records at this site go back to 1977. Typical flow runs near 237.2 cfs in July and 42.3 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.
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Gauge details
- State
- Wyoming
- Drainage area
- 90 sq mi
- Gauge elevation
- 6,414 ft
- Subbasin (HUC-8)
- 10080002
- Coordinates
- 42.96829, -109.03763
- USGS site number
- 06228350
- Records begin
- 1977-07-25 (49 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for SF L Wind River Ab Washakie Reservoir, near Ft Washakie, 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 |
|---|---|---|---|---|
| 32.4 | 35 | 37 | ||
| 30.9 | 33.9 | 36.4 | ||
| 29.8 | 33.1 | 36.4 | ||
| 28.8 | 32.4 | 35.9 | ||
| 27.7 | 31.5 | 35.1 | ||
| 27.3 | 31.1 | 35.1 | ||
| 28.4 | 33.5 | 40.5 | ||
| 28.4 | 34.2 | 43.2 | ||
| 27.5 | 33 | 40.6 | ||
| 26 | 31.2 | 38 | ||
| 24.7 | 29.8 | 36 | ||
| 23.8 | 28.8 | 35 | ||
| 23 | 28 | 34 | ||
| 22.1 | 27.2 | 33.1 |
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 50 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 | 10.7 | 16.9 | 26.1 | |
| February | 10 | 14.3 | 20.9 | |
| March | 11.8 | 17.5 | 25.1 | |
| April | 24.3 | 42.3 | 86.2 | |
| May | 97.1 | 223.7 | 510.3 | |
| June | 228.3 | 524.6 | 1,113 | |
| July | 95.4 | 237.2 | 583.5 | |
| August | 36.6 | 79.9 | 181.4 | |
| September | 24.8 | 46.6 | 91.5 | |
| October | 19.4 | 38.3 | 69.7 | |
| November | 16.8 | 27.2 | 46 | |
| December | 15 | 22.5 | 34.5 |
All values in cubic feet per second (cfs).
Common questions
- When does SF L Wind River Ab Washakie Reservoir, near Ft Washakie, WY normally run highest?
- June, on the long-term record. The median daily flow that month is about 524.6 cfs, against 14.3 cfs in February, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for SF L Wind River Ab Washakie Reservoir, near Ft Washakie, WY?
- It depends on the month. In January, half of days historically fall near 16.9 cfs, with the middle 80% of days between 10.7 and 26.1 cfs. The month-by-month table on this page gives the full range.
- How long has SF L Wind River Ab Washakie Reservoir, near Ft Washakie, WY been measured?
- Discharge records at USGS site 06228350 begin in 1977, about 49 years, covering roughly 6,258 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for SF L Wind River Ab Washakie Reservoir, near Ft Washakie, 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 SF L Wind River Ab Washakie Reservoir, near Ft Washakie, WY?
- The gauge sits at 42.96829, -109.03763, in Wyoming, in hydrologic subbasin 10080002, at an elevation of about 6,414 feet, draining roughly 90 square miles.
- Can I use SF L Wind River Ab Washakie Reservoir, near Ft Washakie, 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.