Colorado River below Yuma Main Canal Ww at Yuma, AZ
USGS Site No: 09521100 • Colorado River • Imperial County, CA
Colorado River below Yuma Main Canal Ww at Yuma, AZ on the Colorado River is currently at 401 cfs (Very Low — 7th percentile for this date) . Gage height: 8.52 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 | 595 | Today: 401 cfs |
| 25th | Low threshold | 665 | |
| 50th (Median) | Normal (median) | 829 | |
| 75th | High threshold | 1,030 | |
| 95th | Very High threshold | 4,980 |
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 | 379 | — |
| May 27, 2026 | 349 | — |
| May 26, 2026 | 363 | — |
| May 25, 2026 | 396 | — |
| May 24, 2026 | 409 | — |
| May 23, 2026 | 395 | — |
| May 22, 2026 | 383 | — |
| May 21, 2026 | 362 | — |
| May 20, 2026 | 370 | — |
| May 19, 2026 | 376 | — |
| May 18, 2026 | 400 | — |
| May 17, 2026 | 431 | — |
| May 16, 2026 | 423 | — |
| May 15, 2026 | 411 | — |
| Apr 20, 2026 | 1,890 | — |
| Apr 19, 2026 | 1,950 | — |
| Apr 18, 2026 | 1,970 | — |
| Apr 17, 2026 | 1,910 | — |
| Apr 16, 2026 | 1,970 | — |
| Apr 15, 2026 | 2,000 | — |
| Apr 14, 2026 | 1,990 | — |
| Apr 13, 2026 | 1,950 | — |
| Apr 12, 2026 | 1,940 | — |
| Apr 11, 2026 | 1,940 | — |
| Apr 10, 2026 | 1,970 | — |
| Apr 9, 2026 | 1,950 | — |
| Apr 8, 2026 | 1,970 | — |
| Apr 7, 2026 | 1,960 | — |
| Apr 6, 2026 | 1,990 | — |
| Apr 5, 2026 | 1,980 | — |
Station Information
- USGS Site No
- 09521100
- State
- CA
- County
- Imperial County
- Coordinates
- 32.7317, -114.6327
- Drainage Area
- 246,500 mi²
- Datum (ft)
- 104.1
- HUC Code
- 15030107
Recent Extremes
- Max discharge
-
2,880 cfsAug 28, 2025
- Min discharge
-
349 cfsMay 27, 2026
Computed from the local daily-values archive.
Nearby Gauges
-
Yuma Main Canal Wasteway at Yuma, AZVery Low0.6 mi · 7 cfs
-
Yuma Main Canal Above Wasteway near Winterhaven, CAVery Low0.6 mi · 415 cfs
-
Reservation Main Drain north. 4 Near Yuma, AZVery Low0.7 mi · 47 cfs
-
Yuma Main Canal below Colorado River. Siphon at Yuma, AZVery Low0.7 mi · 406 cfs
-
Diversion From Yuma Main Canal For Yuma MunicipalVery Low1.0 mi · 18 cfs