Colorado River Near Granby, CO
USGS Site No: 09019500 • Colorado River • Grand County, CO
Colorado River Near Granby, CO on the Colorado River is currently at 77 cfs (Very High — 95th percentile for this date) . Gage height: 1.59 ft.
Reading from
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 | Today's Flow |
|---|---|---|---|
| 10th | Very Low threshold | 18 | |
| 25th | Low threshold | 25 | |
| 50th (Median) | Normal (median) | 29 | |
| 75th | High threshold | 32 | |
| 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.
30-Day Flow History
| Date | Discharge (CFS) | Gage Ht (ft) |
|---|---|---|
| May 28, 2026 | 78 | — |
| May 27, 2026 | 79 | — |
| May 26, 2026 | 78 | — |
| May 25, 2026 | 78 | — |
| May 24, 2026 | 78 | — |
| May 23, 2026 | 78 | — |
| May 22, 2026 | 77 | — |
| May 21, 2026 | 77 | — |
| May 20, 2026 | 77 | — |
| May 19, 2026 | 77 | — |
| May 18, 2026 | 79 | — |
| May 17, 2026 | 79 | — |
| May 16, 2026 | 77 | — |
| May 15, 2026 | 76 | — |
| Sep 30, 2025 | 57 | — |
| Sep 29, 2025 | 77 | — |
| Sep 28, 2025 | 76 | — |
| Sep 27, 2025 | 66 | — |
| Sep 26, 2025 | 68 | — |
| Sep 25, 2025 | 68 | — |
| Sep 24, 2025 | 67 | — |
| Sep 23, 2025 | 79 | — |
| Sep 22, 2025 | 76 | — |
| Sep 21, 2025 | 76 | — |
| Sep 20, 2025 | 76 | — |
| Sep 19, 2025 | 76 | — |
| Sep 18, 2025 | 76 | — |
| Sep 17, 2025 | 75 | — |
| Sep 16, 2025 | 76 | — |
| Sep 15, 2025 | 77 | — |
Station Information
- USGS Site No
- 09019500
- State
- CO
- County
- Grand County
- Coordinates
- 40.1208, -105.9000
- Drainage Area
- 323 mi²
- Datum (ft)
- 7,968.5
- HUC Code
- 140100010309
Flood Stage Thresholds
- Action Stage
- 5.0 ft
- Flood Stage
- 6.0 ft
- Moderate Flood
- 7.0 ft
- Major Flood
- 9.0 ft
Currently 4.41 ft below flood stage.
Recent Extremes
- Max discharge
-
112 cfsJul 5, 2025
- Min discharge
-
57 cfsSep 30, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Colorado River at Windy Gap, Near Granby, Co.Very High5.6 mi · 170 cfs
-
Michigan River Near Cameron Pass, COVery High26.0 mi · 18 cfs
-
Blue River Above Green Mountain Reservoir, Co.High26.3 mi · 217 cfs
-
West Fork Clear Creek above Mouth near Empire, COVery High28.1 mi · 92 cfs
-
Blue River Below Green Mountain Reservoir, COVery Low28.4 mi · 62 cfs