Guadalupe River above Highway 101 at San Jose CA
USGS Site No: 11169025 • Guadalupe River • Santa Clara County, CA
Guadalupe River above Highway 101 at San Jose CA on the Guadalupe River is currently at 34 cfs (Normal — 55th percentile for this date) . Gage height: 5.19 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 | 12 | |
| 25th | Low threshold | 22 | |
| 50th (Median) | Normal (median) | 31 | |
| 75th | High threshold | 43 | Today: 34 cfs |
| 95th | Very High threshold | 47 |
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 | 57 | — |
| May 27, 2026 | 58 | — |
| May 26, 2026 | 35 | — |
| May 25, 2026 | 34 | — |
| May 24, 2026 | 34 | — |
| May 23, 2026 | 34 | — |
| May 22, 2026 | 35 | — |
| May 21, 2026 | 36 | — |
| May 20, 2026 | 37 | — |
| May 19, 2026 | 37 | — |
| May 18, 2026 | 38 | — |
| May 17, 2026 | 39 | — |
| May 16, 2026 | 37 | — |
| May 15, 2026 | 37 | — |
| Apr 20, 2026 | 89 | — |
| Apr 19, 2026 | 60 | — |
| Apr 18, 2026 | 59 | — |
| Apr 17, 2026 | 59 | — |
| Apr 16, 2026 | 57 | — |
| Apr 15, 2026 | 51 | — |
| Apr 14, 2026 | 53 | — |
| Apr 13, 2026 | 62 | — |
| Apr 12, 2026 | 190 | — |
| Apr 11, 2026 | 209 | — |
| Apr 10, 2026 | 71 | — |
| Apr 9, 2026 | 47 | — |
| Apr 8, 2026 | 48 | — |
| Apr 7, 2026 | 48 | — |
| Apr 6, 2026 | 48 | — |
| Apr 5, 2026 | 49 | — |
Station Information
- USGS Site No
- 11169025
- State
- CA
- County
- Santa Clara County
- Coordinates
- 37.3738, -121.9330
- Drainage Area
- 160 mi²
- Datum (ft)
- 17.6
- HUC Code
- 18050003
Flood Stage Thresholds
- Action Stage
- 17.0 ft
- Flood Stage
- 19.0 ft
- Moderate Flood
- 20.0 ft
- Major Flood
- 21.0 ft
Currently 13.81 ft below flood stage.
Recent Extremes
- Max discharge
-
1,150 cfsJan 4, 2026
- Min discharge
-
24 cfsOct 10, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Coyote C above Highway 237 at Milpitas CAHigh3.4 mi · 23 cfs
-
Saratoga C at Saratoga CAHigh10.1 mi · 4 cfs
-
Coyote C near Edenvale CAUnknown10.3 mi
-
Alameda C below Calaveras C near Sunol CAHigh10.8 mi · 11 cfs
-
Arroyo Hondo near San Jose CANormal10.8 mi · 8 cfs