How high is the Colorado River Below Lake Granby, Co. right now?

The Colorado River Below Lake Granby, Co. is currently flowing at 105 cubic feet per second with a gage height of 4.00 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Colorado River Below Lake Granby, Co. normal for this time of year?

Current flow is classified as very high for June 11. Today's discharge is at the 95th percentile compared to the long-term historical record at this gauge.

What is the historical median flow for the Colorado River Below Lake Granby, Co. on June 11?

The long-term median discharge for this date is 95 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 0 to unavailable cfs.

Where is the Colorado River Below Lake Granby, Co. stream gauge located?

The Colorado River Below Lake Granby, Co. stream gauge is operated by the USGS in Grand County, CO on the Colorado River. USGS site number 09019000 (coordinates 40.1442, -105.8667).

Colorado River Below Lake Granby, Co.

USGS Site No: 09019000 • Colorado River • Grand County, CO

Colorado River Below Lake Granby, Co. on the Colorado River is currently at 105 cfs (Very High — 95th percentile for this date) . Gage height: 4.00 ft.

Reading from 1 week ago

↑ Upstream on Colorado River

Colorado River below Shadow Mountain Reservoir, Co.

Downstream on Colorado River ↓

Colorado River Near Granby, CO

105

CFS Discharge

4.00

Gage Height (ft)

Very High

Flow Condition

N/A

Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for June 11 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	0
25th	Low threshold	76
50th (Median)	Normal (median)	95
75th	High threshold	98
95th	Very High threshold	0

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	105	—
May 27, 2026	105	—
May 26, 2026	104	—
May 25, 2026	104	—
May 24, 2026	103	—
May 23, 2026	103	—
May 22, 2026	101	—
May 21, 2026	102	—
May 20, 2026	101	—
May 19, 2026	101	—
May 18, 2026	101	—
May 17, 2026	104	—
May 16, 2026	104	—
May 15, 2026	105	—
Apr 20, 2026	38	—
Apr 19, 2026	38	—
Apr 18, 2026	37	—
Apr 17, 2026	36	—
Apr 16, 2026	38	—
Apr 15, 2026	39	—
Apr 14, 2026	40	—
Apr 13, 2026	36	—
Apr 12, 2026	28	—
Apr 11, 2026	24	—
Apr 10, 2026	23	—
Apr 9, 2026	22	—
Apr 8, 2026	20	—
Apr 7, 2026	21	—
Apr 6, 2026	21	—
Apr 5, 2026	21	—

Station Information

USGS Site No: 09019000
State: CO
County: Grand County
Coordinates: 40.1442, -105.8667
Drainage Area: 312 mi²
Datum (ft): 8,050.6
HUC Code: 140100010309

View on USGS NWIS →

Recent Extremes

Max discharge: 136 cfs

Jul 9, 2025
Min discharge: 17 cfs

Apr 29, 2025

Computed from the local daily-values archive.

Nearby Gauges

Colorado River at Windy Gap, Near Granby, Co.
7.7 mi · 170 cfs

Low
Michigan River Near Cameron Pass, CO
24.3 mi · 18 cfs

Normal
Fourmile Creek at Logan Mill Road Near Crisman, CO
27.4 mi · 7 cfs

Low
Fourmile Canyon Creek Near Sunshine, CO
28.0 mi · 0 cfs

Very Low
Blue River Above Green Mountain Reservoir, Co.
28.7 mi · 217 cfs

Very Low