Rivermatics

USGS Streamgage 09081600

Crystal River above Avalanche Creek, near Redstone, CO

Crystal River above Avalanche Creek, near Redstone, CO is USGS streamgage 09081600 in Colorado, monitoring river discharge in hydrologic subbasin 14010004. It drains a watershed of about 167 square miles. Discharge records at this site go back to 1955. Typical flow runs near 442 cfs in July and 176 cfs in April, with the higher of the two arriving in July. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.

View live conditions & forecast →

Gauge details

State
Colorado
Drainage area
167 sq mi
Gauge elevation
6,909 ft
Subbasin (HUC-8)
14010004
Coordinates
39.23264, -107.2275
USGS site number
09081600
Records begin
1955-10-01 (71 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Crystal River above Avalanche Creek, near Redstone, CO. 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.

Forecast daily mean discharge in cubic feet per second, by date
Date Low p10 Expected p50 High p90 Range
38.7 40.9 43.1
37.6 40.2 42.9
37.1 40 43.7
40.7 48.4 77
42.7 51.6 99.5
45.5 59.4 118
47.5 65.6 132
45.4 59.5 102
43.3 53.6 81.7
41.5 50.1 70.8
40 47.7 64.1
38.5 45.8 60.7
37.7 44.8 58.1
36.9 44.1 57.6

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 71 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.

Historical monthly discharge percentiles in cubic feet per second
Month Low p10 Typical p50 High p90 Range
January 36.4 47.2 64.9
February 35.5 46.4 63.1
March 42.2 59.4 110.5
April 89.2 176 359.4
May 348.1 691.8 1,270.8
June 605 1,170.4 1,992.3
July 189.7 442 1,216.8
August 87.6 153.7 320.5
September 66.2 98.4 195.1
October 57.8 82.6 164.3
November 48.3 65 100.2
December 38.9 52.7 75.2

All values in cubic feet per second (cfs).

Common questions

When does Crystal River above Avalanche Creek, near Redstone, CO normally run highest?
June, on the long-term record. The median daily flow that month is about 1,170.4 cfs, against 46.4 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 Crystal River above Avalanche Creek, near Redstone, CO?
It depends on the month. In January, half of days historically fall near 47.2 cfs, with the middle 80% of days between 36.4 and 64.9 cfs. The month-by-month table on this page gives the full range.
How long has Crystal River above Avalanche Creek, near Redstone, CO been measured?
Discharge records at USGS site 09081600 begin in 1955, about 71 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 Crystal River above Avalanche Creek, near Redstone, CO?
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 Crystal River above Avalanche Creek, near Redstone, CO?
The gauge sits at 39.23264, -107.2275, in Colorado, in hydrologic subbasin 14010004, at an elevation of about 6,909 feet, draining roughly 167 square miles.
Can I use Crystal River above Avalanche Creek, near Redstone, CO 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