| Station ID | HTH | Elevation | 3870' ft |
| River Basin | TUOLUMNE R | County | TUOLUMNE |
| Hydrologic Area | SAN JOAQUIN RIVER | Nearby City | YOSEMITE |
| Latitude | 37.950000°N | Longitude | 119.783000°W |
| Operator | Hetch Hetchy Water and Power | Data Collection |
Additional types of information available: Dam Information | Precipitation Averages | Reservoir Information
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 |
|---|---|---|---|---|
| PRECIPITATION, ACCUMULATED, inches | (daily) | (RAIN) | COMPUTED | 10/01/2012 to present. |
| PRECIPITATION, INCREMENTAL, inches | (daily) | (PPT INC) | DATA XCHG-USACE SAC | 01/08/1985 to present. |
| PRECIPITATION, INCRMNT 4A-4A, inches | (daily) | (PPTINC4) | DATA XCHG-NWS | 10/01/2012 to present. |
| RESERVOIR ELEVATION, feet | (daily) | (RES ELE) | MANUAL ENTRY | 01/08/1985 to present. |
| RESERVOIR INFLOW, cfs | (daily) | (INFLOW) | MANUAL ENTRY | 01/17/1994 to present. |
| RESERVOIR OUTFLOW, cfs | (daily) | (OUTFLOW) | DATA XCHG-USACE SAC | 10/03/1993 to present. |
| RESERVOIR STORAGE, af | (daily) | (STORAGE) | DATA XCHG-USACE SAC | 01/08/1985 to present. |
| RESERVOIR, STORAGE CHANGE, af | (daily) | (RES CHG) | COMPUTED | 10/04/1993 to present. |
| RESERVOIR ELEVATION, feet | (event) | (RES ELE) | SATELLITE | 05/05/1997 to 04/07/1998. |
| PRECIPITATION, ACCUMULATED, inches | (monthly) | (RAIN) | MANUAL ENTRY | 10/01/1910 to present. |
| RESERVOIR STORAGE, af | (monthly) | (STORAGE) | MANUAL ENTRY | 10/01/1951 to present. |