USGS Streamgage 401733105392404
The Loch Outlet - Loch Vale
The Loch Outlet - Loch Vale is USGS streamgage 401733105392404 in Colorado, monitoring river discharge in hydrologic subbasin 10190006. It drains a watershed of about 3 square miles. Discharge records at this site go back to 1983. Typical flow runs near 15.9 cfs in July and 1.1 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Colorado
- Drainage area
- 3 sq mi
- Subbasin (HUC-8)
- 10190006
- Coordinates
- 40.29306, -105.65444
- USGS site number
- 401733105392404
- Records begin
- 1983-09-30 (43 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 42 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 | 0 | 0 | 0.4 | |
| February | 0 | 0 | 0.3 | |
| March | 0 | 0.4 | 0.4 | |
| April | 0.2 | 1.1 | 2.1 | |
| May | 3.1 | 7.8 | 16.3 | |
| June | 12.5 | 21.5 | 34.3 | |
| July | 11.1 | 15.9 | 26.6 | |
| August | 6 | 9.7 | 16 | |
| September | 2.9 | 4.7 | 8.5 | |
| October | 1.2 | 2 | 3.9 | |
| November | 0.4 | 1.1 | 1.3 | |
| December | 0.2 | 0.3 | 0.6 |
All values in cubic feet per second (cfs).