| Station ID | NPH | Elevation | 170' ft |
| River Basin | NAPA R | County | NAPA |
| Hydrologic Area | SAN FRANCISCO BAY | Nearby City | SAINT HELENA |
| Latitude | 38.498000°N | Longitude | 122.427000°W |
| Operator | US Geological Survey | Data Collection |
Additional types of information available: Full Natural Flow Averages
The following data types are available online. Select one of the links below to retrieve recent data.
| Sensor Description | Duration | Plot | Data Collection | Data Available |
|---|---|---|---|---|
| FLOW, FULL NATURAL, af | (monthly) | (MON FNF) | MANUAL ENTRY | 10/01/1929 to present. |
| FLOW, MONTHLY VOLUME, af | (monthly) | (MON FLO) | MANUAL ENTRY | 10/01/1929 to present. |