USGS Streamgage 09229500
Henrys Fork near Manila, UT
Henrys Fork near Manila, UT is USGS streamgage 09229500 in Wyoming, monitoring river discharge in hydrologic subbasin 14040106. It sits on the Henrys Fork, alongside 1 other gauge Rivermatics tracks on the same river. It drains a watershed of about 520 square miles. Discharge records at this site go back to 1928. Typical flow runs near 30.5 cfs in July and 67.6 cfs in April, with the higher of the two arriving in April. 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
- 520 sq mi
- Gauge elevation
- 6,045 ft
- Subbasin (HUC-8)
- 14040106
- Coordinates
- 41.00453, -109.66756
- USGS site number
- 09229500
- Records begin
- 1928-10-01 (98 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for Henrys Fork near Manila, UT. 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 |
|---|---|---|---|---|
| 13.1 | 16 | 19.1 | ||
| 9.5 | 13.4 | 17.7 | ||
| 6.4 | 10.8 | 15.9 | ||
| 4.3 | 9 | 14.5 | ||
| 3.1 | 7.8 | 13.6 | ||
| 2.6 | 7.2 | 13.4 | ||
| 2.1 | 6.9 | 13.7 | ||
| 1.6 | 6.1 | 12.4 | ||
| 1.5 | 5.8 | 12.3 | ||
| 1.3 | 5.5 | 12.4 | ||
| 1.1 | 5 | 11.8 | ||
| 0.9 | 4.6 | 11.6 | ||
| 0.8 | 4.2 | 11.3 | ||
| 0.7 | 3.9 | 11 |
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 98 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 | 25.6 | 41.4 | 64.6 | |
| February | 29.4 | 44.2 | 73.8 | |
| March | 34.7 | 59.2 | 107.4 | |
| April | 25.7 | 67.6 | 152.1 | |
| May | 8.7 | 104.7 | 362.9 | |
| June | 12.2 | 160.4 | 667.2 | |
| July | 1.5 | 30.5 | 223.1 | |
| August | 0.9 | 17.6 | 130.7 | |
| September | 1 | 13 | 90.1 | |
| October | 5.1 | 38.9 | 106.4 | |
| November | 26.7 | 54.1 | 94.3 | |
| December | 27.8 | 46.7 | 75.4 |
All values in cubic feet per second (cfs).
Common questions
- When does Henrys Fork near Manila, UT normally run highest?
- June, on the long-term record. The median daily flow that month is about 160.4 cfs, against 13 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 Henrys Fork near Manila, UT?
- It depends on the month. In January, half of days historically fall near 41.4 cfs, with the middle 80% of days between 25.6 and 64.6 cfs. The month-by-month table on this page gives the full range.
- How long has Henrys Fork near Manila, UT been measured?
- Discharge records at USGS site 09229500 begin in 1928, about 98 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 Henrys Fork near Manila, UT?
- 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 Henrys Fork near Manila, UT?
- The gauge sits at 41.00453, -109.66756, in Wyoming, in hydrologic subbasin 14040106, at an elevation of about 6,045 feet, draining roughly 520 square miles.
- Can I use Henrys Fork near Manila, UT 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 Henrys Fork
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Henrys Fork in full.
- Henrys Fork near Burntfork, WY 230 sq mi
- Henrys Fork near Manila, UT this page