Reservation Main Drain north. 4 Near Yuma, AZ
USGS Site No: 09530000 • Imperial County, CA
Reservation Main Drain north. 4 Near Yuma, AZ is currently at 47 cfs (Very Low — 9th percentile for this date) . Gage height: 0.60 ft.
Reading from
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 | Today's Flow |
|---|---|---|---|
| 10th | Very Low threshold | 54 | Today: 47 cfs |
| 25th | Low threshold | 58 | |
| 50th (Median) | Normal (median) | 64 | |
| 75th | High threshold | 76 | |
| 95th | Very High threshold | 92 |
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 | 53 | — |
| May 27, 2026 | 48 | — |
| May 26, 2026 | 52 | — |
| May 25, 2026 | 54 | — |
| May 24, 2026 | 54 | — |
| May 23, 2026 | 53 | — |
| May 22, 2026 | 46 | — |
| May 20, 2026 | 57 | — |
| May 19, 2026 | 52 | — |
| May 18, 2026 | 56 | — |
| May 17, 2026 | 60 | — |
| May 16, 2026 | 56 | — |
| May 15, 2026 | 66 | — |
| Apr 20, 2026 | 63 | — |
| Apr 19, 2026 | 67 | — |
| Apr 18, 2026 | 64 | — |
| Apr 17, 2026 | 63 | — |
| Apr 16, 2026 | 65 | — |
| Apr 15, 2026 | 62 | — |
| Apr 14, 2026 | 59 | — |
| Apr 13, 2026 | 60 | — |
| Apr 12, 2026 | 66 | — |
| Apr 11, 2026 | 65 | — |
| Apr 10, 2026 | 65 | — |
| Apr 9, 2026 | 63 | — |
| Apr 8, 2026 | 59 | — |
| Apr 7, 2026 | 52 | — |
| Apr 6, 2026 | 54 | — |
| Apr 5, 2026 | 55 | — |
| Apr 4, 2026 | 56 | — |
Station Information
- USGS Site No
- 09530000
- State
- CA
- County
- Imperial County
- Coordinates
- 32.7361, -114.6221
- Datum (ft)
- 113.8
- HUC Code
- 15030107
Recent Extremes
- Max discharge
-
355 cfsSep 27, 2025
- Min discharge
-
39 cfsMar 10, 2026
Computed from the local daily-values archive.
Nearby Gauges
-
Yuma Main Canal Above Wasteway near Winterhaven, CALow0.2 mi · 415 cfs
-
Yuma Main Canal Wasteway at Yuma, AZVery Low0.2 mi · 7 cfs
-
Yuma Main Canal below Colorado River. Siphon at Yuma, AZNormal0.6 mi · 406 cfs
-
Colorado River below Yuma Main Canal Ww at Yuma, AZVery Low0.7 mi · 401 cfs
-
Diversion From Yuma Main Canal For Yuma MunicipalVery Low0.7 mi · 18 cfs