Park or public access
Rocky Mountain National Park
The Colorado River originates near the Continental Divide in the park's high country.
Visit the official Rocky Mountain National Park resourceUSGS 09034250
Colorado River →
Colorado River at Windy Gap, near Granby, CO.
Grand County, Colorado · USGS 09034250
Latest observation
What this gauge represents: This gauge measures conditions on Colorado River at its USGS monitoring location in Grand County; conditions elsewhere on the waterway may differ.
STREAMFLOW
98 ft³/s↓ −6 CFS / 24h
Observed · 47 minutes ago
Observed · 47 minutes ago
GAUGE HEIGHT
3.66 ft→ Steady over last 24h
Observed
Observed
WATER TEMPERATURE
54.1°F (12.3°C)Latest available reading
Observed
Observed
How to read these numbers
Streamflow (ft³/s or CFS)
How much water moves past the gauge each second. Higher numbers mean more water is moving downstream.
Gauge height (ft)
The water-surface height at this gauge. It is useful for tracking rises, falls and flood thresholds, but it is not the river's total depth.
24-hour change
How much the latest reading has risen or fallen compared with roughly 24 hours earlier.
Historical median
The typical streamflow for this date based on USGS historical statistics. A multiple such as 3× means current flow is about three times the historical median.
River Pulse
Get Water Data's plain-language summary of current flow, historical context and recent direction.
NOAA flood stage
Official action and flood thresholds where available. These levels are specific to each gauge location.
Gauge height and flood stage are station-specific. A 12-foot reading at one gauge should not be directly compared with 12 feet at another.
RIVER PULSE
Near historical median · Falling
Flow vs typicalTypical
Streamflow is currently 98 ft³/s, about equal to the historical median for this date. Flow has fallen 6 CFS over the past 24 hours.
USGS-reported historical daily median for 09-27: 98 ft³/s · Based on USGS day-of-year statistics
How trends & context are calculated →NOAA flood-stage status:Below action stage
Current 3.7 ft · 2.8 ft below action stage · Flood stage 8 ft
WATER QUALITY
Current water conditions
Dissolved oxygen
7 mg/LpH
7.9Turbidity
5 FNUSpecific conductance
142 µS/cmRECENT STREAMFLOW
Streamflow trend
Daily mean streamflow · Aug 28–Sep 25 · dates shown in UTC · 29 observations
Look at the data (29 rows)
| Date (UTC) | Daily mean |
|---|---|
| Aug 28, 2026, 12:00 AM | 161 CFS |
| Aug 29, 2026, 12:00 AM | 157 CFS |
| Aug 30, 2026, 12:00 AM | 162 CFS |
| Aug 31, 2026, 12:00 AM | 172 CFS |
| Sep 1, 2026, 12:00 AM | 179 CFS |
| Sep 2, 2026, 12:00 AM | 168 CFS |
| Sep 3, 2026, 12:00 AM | 160 CFS |
| Sep 4, 2026, 12:00 AM | 160 CFS |
| Sep 5, 2026, 12:00 AM | 167 CFS |
| Sep 6, 2026, 12:00 AM | 186 CFS |
| Sep 7, 2026, 12:00 AM | 190 CFS |
| Sep 8, 2026, 12:00 AM | 170 CFS |
| Sep 9, 2026, 12:00 AM | 156 CFS |
| Sep 10, 2026, 12:00 AM | 173 CFS |
| Sep 11, 2026, 12:00 AM | 155 CFS |
| Sep 12, 2026, 12:00 AM | 137 CFS |
| Sep 13, 2026, 12:00 AM | 136 CFS |
| Sep 14, 2026, 12:00 AM | 142 CFS |
| Sep 15, 2026, 12:00 AM | 141 CFS |
| Sep 16, 2026, 12:00 AM | 142 CFS |
| Sep 17, 2026, 12:00 AM | 146 CFS |
| Sep 18, 2026, 12:00 AM | 141 CFS |
| Sep 19, 2026, 12:00 AM | 141 CFS |
| Sep 20, 2026, 12:00 AM | 127 CFS |
| Sep 21, 2026, 12:00 AM | 124 CFS |
| Sep 22, 2026, 12:00 AM | 139 CFS |
| Sep 23, 2026, 12:00 AM | 147 CFS |
| Sep 24, 2026, 12:00 AM | 163 CFS |
| Sep 25, 2026, 12:00 AM | 153 CFS |
EXPLORE
Continue along the Colorado River
Connect this monitoring-location reading with verified places and official visitor information. A gauge describes conditions only at its location; it is not itself a public access point.
Explore the Colorado RiverPark or public access
Canyonlands National Park
The Colorado and Green rivers meet in the heart of Canyonlands before entering Cataract Canyon.
Visit the official Canyonlands National Park resourcePark or public access
Glen Canyon National Recreation Area
Includes Lake Powell, Glen Canyon Dam and the Colorado River corridor down to Lees Ferry.
Visit the official Glen Canyon National Recreation Area resourcePark or public access
Grand Canyon National Park
The Colorado forms the central river corridor through Grand Canyon and supports one of the world's iconic multi-day river trips.
Visit the official Grand Canyon National Park resourceSTATION DETAILS
About this gauge
Site type: Stream
County: Grand County
Drainage area: 788 mi²
Current measurements: 7
DATA SOURCE
Official USGS station
Get Water Data organizes provisional public monitoring data from the U.S. Geological Survey.
View USGS station →