USGS Streamgage 401530105475401
North Inlet below Summerland Park at Rmnp
North Inlet below Summerland Park at Rmnp is USGS streamgage 401530105475401 in Colorado, monitoring river discharge in hydrologic subbasin 14010001. It drains a watershed of about 28 square miles. Discharge records at this site go back to 2021. Typical flow runs near 62.3 cfs in July and 35.9 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Colorado
- Drainage area
- 28 sq mi
- Gauge elevation
- 8,497 ft
- Subbasin (HUC-8)
- 14010001
- Coordinates
- 40.2575, -105.79972
- USGS site number
- 401530105475401
- Records begin
- 2021-04-23 (5 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 4 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.
Only 7 of 12 months have enough record to summarize; the rest are omitted.
| Month | Low p10 | Typical p50 | High p90 | Range |
|---|---|---|---|---|
| April | — | 35.9 | — | |
| May | — | 141.9 | — | |
| June | — | 248.5 | — | |
| July | — | 62.3 | — | |
| August | — | 24.6 | — | |
| September | — | 10.7 | — | |
| October | — | 8.3 | — |
All values in cubic feet per second (cfs).
Other gauges in this subbasin
- Colorado River below Baker Gulch near Grand Lake, CO
- East Inlet near Grand Lake, CO
- Grand Lake Outlet below Chipmunk Ln at Grand Lake, CO
- Colorado River below Shadow Mountain Reservoir, CO
- Colorado River below Lake Granby, CO
- Colorado River near Granby, CO
- Willow Creek below Cabin Creek near Granby, CO
- Willow Creek above Willow Creek Reservoir, CO