USGS Streamgage 09183500
Mill Creek at Sheley Tunnel, near Moab, UT
Mill Creek at Sheley Tunnel, near Moab, UT is USGS streamgage 09183500 in Utah, monitoring river discharge in hydrologic subbasin 14030005. It sits on the Mill Creek, alongside 2 other gauges Rivermatics tracks on the same river. It drains a watershed of about 27 square miles. Discharge records at this site go back to 1954. Typical flow runs near 8.7 cfs in July and 8.9 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
- Utah
- Drainage area
- 27 sq mi
- Gauge elevation
- 5,415 ft
- Subbasin (HUC-8)
- 14030005
- Coordinates
- 38.482, -109.40502
- USGS site number
- 09183500
- Records begin
- 1954-10-01 (72 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for Mill Creek at Sheley Tunnel, near Moab, 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 |
|---|---|---|---|---|
| 3 | 3 | 3.1 | ||
| 3 | 3.1 | 3.4 | ||
| 3 | 3.2 | 3.9 | ||
| 3.1 | 3.4 | 5.2 | ||
| 3 | 3.4 | 5.4 | ||
| 3.2 | 3.8 | 7.3 | ||
| 3.1 | 3.8 | 7.4 | ||
| 3 | 3.6 | 5.8 | ||
| 3 | 3.5 | 4.9 | ||
| 2.9 | 3.4 | 4.5 | ||
| 2.8 | 3.3 | 4.2 | ||
| 2.8 | 3.2 | 4 | ||
| 2.7 | 3.1 | 3.9 | ||
| 2.7 | 3.1 | 3.9 |
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 72 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 | 4 | 5.4 | 7.2 | |
| February | 3.9 | 5.1 | 6.8 | |
| March | 4.3 | 5.6 | 8.1 | |
| April | 5.5 | 8.9 | 17.2 | |
| May | 7.6 | 18.8 | 51.5 | |
| June | 5.8 | 17.1 | 59.2 | |
| July | 3.6 | 8.7 | 27.6 | |
| August | 3.2 | 7.6 | 14.9 | |
| September | 3.4 | 6.5 | 11.9 | |
| October | 3.8 | 6.3 | 11 | |
| November | 4.2 | 6.1 | 9.5 | |
| December | 4.1 | 5.7 | 8.2 |
All values in cubic feet per second (cfs).
Common questions
- When does Mill Creek at Sheley Tunnel, near Moab, UT normally run highest?
- May, on the long-term record. The median daily flow that month is about 18.8 cfs, against 5.1 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 Mill Creek at Sheley Tunnel, near Moab, UT?
- It depends on the month. In January, half of days historically fall near 5.4 cfs, with the middle 80% of days between 4 and 7.2 cfs. The month-by-month table on this page gives the full range.
- How long has Mill Creek at Sheley Tunnel, near Moab, UT been measured?
- Discharge records at USGS site 09183500 begin in 1954, about 72 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 Mill Creek at Sheley Tunnel, near Moab, 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 Mill Creek at Sheley Tunnel, near Moab, UT?
- The gauge sits at 38.482, -109.40502, in Utah, in hydrologic subbasin 14030005, at an elevation of about 5,415 feet, draining roughly 27 square miles.
- Can I use Mill Creek at Sheley Tunnel, near Moab, 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 Mill Creek
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Mill Creek in full.
- Mill Creek at Sheley Tunnel, near Moab, UT this page
- Mill Creek below Sheley Tunnel, near Moab, UT 28 sq mi
- Mill Creek below Pack Creek near Mouth at Moab, UT 142 sq mi