How high is the Colorado River at Windy Gap, Near Granby, Co. right now?

The Colorado River at Windy Gap, Near Granby, Co. is currently flowing at 170 cubic feet per second with a gage height of 3.87 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Colorado River at Windy Gap, Near Granby, Co. normal for this time of year?

Current flow is classified as very high for October 28. Today's discharge is at the 95th percentile compared to the long-term historical record at this gauge.

Is the Colorado River at Windy Gap, Near Granby, Co. at flood stage?

No — the gage height is 4.13 feet below the NWS flood-stage threshold of 8.0 feet.

What is the historical median flow for the Colorado River at Windy Gap, Near Granby, Co. on October 28?

The long-term median discharge for this date is 105 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 75 to 165 cfs.

Where is the Colorado River at Windy Gap, Near Granby, Co. stream gauge located?

The Colorado River at Windy Gap, Near Granby, Co. stream gauge is operated by the USGS in Grand County, CO on the Colorado River. USGS site number 09034250 (coordinates 40.1083, -106.0042).

Colorado River at Windy Gap, Near Granby, Co.

USGS Site No: 09034250 • Colorado River • Grand County, CO

Colorado River at Windy Gap, Near Granby, Co. on the Colorado River is currently at 170 cfs (Very High — 95th percentile for this date) . Gage height: 3.87 ft.

Reading from 4 months ago

↑ Upstream on Colorado River

Little Colorado River above Lyman Lake near St. Johns, AZ

Downstream on Colorado River ↓

Little Colorado River Below Salado Springs, AZ

170

CFS Discharge

3.87

Gage Height (ft)

Very High

Flow Condition

Normal

Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for October 28 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.

Percentile	Label	CFS Threshold
10th	Very Low threshold	75
25th	Low threshold	86
50th (Median)	Normal (median)	105
75th	High threshold	126
95th	Very High threshold	165

30-Day Hydrograph

Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.

10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date	Discharge (CFS)	Gage Ht (ft)
May 28, 2026	171	—
May 27, 2026	176	—
May 26, 2026	170	—
May 25, 2026	169	—
May 24, 2026	168	—
May 23, 2026	173	—
May 22, 2026	180	—
May 21, 2026	179	—
May 20, 2026	181	—
May 19, 2026	179	—
May 18, 2026	172	—
May 17, 2026	162	—
May 16, 2026	146	—
May 15, 2026	152	—
Apr 20, 2026	89	—
Apr 19, 2026	102	—
Apr 18, 2026	90	—
Apr 17, 2026	99	—
Apr 16, 2026	100	—
Apr 15, 2026	95	—
Apr 14, 2026	82	—
Apr 13, 2026	76	—
Apr 12, 2026	73	—
Apr 11, 2026	83	—
Apr 10, 2026	87	—
Apr 9, 2026	84	—
Apr 8, 2026	87	—
Apr 7, 2026	93	—
Apr 6, 2026	97	—
Apr 5, 2026	98	—

Station Information

USGS Site No: 09034250
State: CO
County: Grand County
Coordinates: 40.1083, -106.0042
Drainage Area: 788 mi²
Datum (ft): 7,790.5
HUC Code: 14010001

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 6.5 ft
Flood Stage: 8.0 ft
Moderate Flood: 10.0 ft
Major Flood: 12.0 ft

Currently 4.13 ft below flood stage.

Recent Extremes

Max discharge: 566 cfs

Jun 21, 2025
Min discharge: 66 cfs

Jan 1, 2026
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

Willow Creek Above Willow Creek Reservoir, Co.
3.5 mi

Unknown
Willow Creek Below Willow Creek Reservoir, Co.
4.3 mi · 7 cfs

Normal
Colorado River Near Granby, CO
5.6 mi · 77 cfs

Very High
Colorado River Below Lake Granby, Co.
7.7 mi · 105 cfs

Very High
Colorado River below Shadow Mountain Reservoir, Co.
11.1 mi · 442 cfs

Very High