Rivermatics

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.

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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.

Historical monthly discharge percentiles in cubic feet per second
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).

Common questions

When does North Inlet below Summerland Park at Rmnp normally run highest?
June, on the long-term record. The median daily flow that month is about 248.5 cfs, against 8.3 cfs in October, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
How long has North Inlet below Summerland Park at Rmnp been measured?
Discharge records at USGS site 401530105475401 begin in 2021, about 5 years, covering roughly 712 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Where is North Inlet below Summerland Park at Rmnp?
The gauge sits at 40.2575, -105.79972, in Colorado, in hydrologic subbasin 14010001, at an elevation of about 8,497 feet, draining roughly 28 square miles.
Can I use North Inlet below Summerland Park at Rmnp 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.

Other gauges in this subbasin