Rivermatics

USGS Streamgage 384658106521901

Slide Ditch Flume below Hwy 135 near Crested Butte, CO

Slide Ditch Flume below Hwy 135 near Crested Butte, CO is USGS streamgage 384658106521901 in Colorado, monitoring river discharge in hydrologic subbasin 14020001. Discharge records at this site go back to 2025. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.

View live conditions & forecast →

Gauge details

State
Colorado
Gauge elevation
8,440 ft
Subbasin (HUC-8)
14020001
Coordinates
38.78274, -106.872
USGS site number
384658106521901
Records begin
2025-05-13 (1 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Slide Ditch Flume below Hwy 135 near 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
6.5 6.8 7.2
6.2 6.7 7.5
6.2 7.1 9.4
6.4 7.8 12.6
6.5 8.3 15.5
6.6 9.2 22.3
6.6 9.8 25.9
6.5 9.9 24.3
6.3 9.7 24.8
6.2 9.9 26.9
6.1 9.9 27
6 10 27.8
6 9.9 27.9
6 9.7 26.3

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 1 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
May — 13.8 —
June — 17.8 —
July — 11.9 —
August — 19.4 —
September — 26.5 —
October — 23.1 —
November — 0 —

All values in cubic feet per second (cfs).

Common questions

When does Slide Ditch Flume below Hwy 135 near Crested Butte, CO normally run highest?
September, on the long-term record. The median daily flow that month is about 26.5 cfs, against 0 cfs in November, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
How long has Slide Ditch Flume below Hwy 135 near Crested Butte, CO been measured?
Discharge records at USGS site 384658106521901 begin in 2025, about 1 years, covering roughly 299 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Slide Ditch Flume below Hwy 135 near 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 Slide Ditch Flume below Hwy 135 near Crested Butte, CO?
The gauge sits at 38.78274, -106.872, in Colorado, in hydrologic subbasin 14020001, at an elevation of about 8,440 feet.
Can I use Slide Ditch Flume below Hwy 135 near 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