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 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.
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)
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).