Rivermatics

USGS Streamgage 09111250

Coal Creek above McCormick Ditch at Crested Butte, CO

Coal Creek above McCormick Ditch at Crested Butte, CO is USGS streamgage 09111250 in Colorado, monitoring river discharge in hydrologic subbasin 14020001. It drains a watershed of about 20 square miles. Discharge records at this site go back to 2014. Typical flow runs near 15 cfs in July and 24.2 cfs in April, with the higher of the two arriving in April. 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
20 sq mi
Gauge elevation
8,891 ft
Subbasin (HUC-8)
14020001
Coordinates
38.87156, -106.9853
USGS site number
09111250
Records begin
2014-10-01 (12 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Coal Creek above McCormick Ditch at Crested Butte, 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
0.9 1 1.1
0.8 1 1.1
0.9 1.1 1.8
1.2 2.3 6.7
1.4 2.7 7.8
1.7 3.5 10.7
1.5 2.9 6.7
1.2 2.1 3.9
1.1 1.8 3
1 1.6 2.6
1 1.5 2.5
0.9 1.5 2.5
0.9 1.4 2.4
0.9 1.3 2.1

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

Only 9 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
March — 20 —
April 10.8 24.2 56.3
May 49.3 93.3 188.3
June 23.5 126.9 274.3
July 3.3 15 80.7
August 1.3 5.5 10.9
September 1.5 3.2 7.4
October 2.1 4.6 9.9
November 2.2 4.9 7.7

All values in cubic feet per second (cfs).

Common questions

When does Coal Creek above McCormick Ditch at Crested Butte, CO normally run highest?
June, on the long-term record. The median daily flow that month is about 126.9 cfs, against 3.2 cfs in September, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for Coal Creek above McCormick Ditch at Crested Butte, CO?
It depends on the month. In April, half of days historically fall near 24.2 cfs, with the middle 80% of days between 10.8 and 56.3 cfs. The month-by-month table on this page gives the full range.
How long has Coal Creek above McCormick Ditch at Crested Butte, CO been measured?
Discharge records at USGS site 09111250 begin in 2014, about 12 years, covering roughly 2,694 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Coal Creek above McCormick Ditch at Crested Butte, 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 Coal Creek above McCormick Ditch at Crested Butte, CO?
The gauge sits at 38.87156, -106.9853, in Colorado, in hydrologic subbasin 14020001, at an elevation of about 8,891 feet, draining roughly 20 square miles.
Can I use Coal Creek above McCormick Ditch at Crested Butte, 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