ST. HELENA 4WSW

Map of surrounding area

Station IDSH4Elevation1729' ft
River BasinNAPA RCountyNAPA
Hydrologic AreaSAN FRANCISCO BAYNearby CityST HELENA
Latitude38.493056°NLongitude-122.539722°W
OperatorCA Dept of Water ResourcesData Collection


The following data types are available online. Select one of the links below to retrieve recent data.

Sensor DescriptionDurationPlotData CollectionData Available
PRECIPITATION, ACCUMULATED, inches (daily) (RAIN)COMPUTED 10/01/2003 to present.
PRECIPITATION, INCREMENTAL, inches (daily) (PPT INC)COMPUTED 01/02/1984 to present.
BATTERY VOLTAGE, volts (event) (BAT VOL)SATELLITE 03/29/1995 to present.
PRECIPITATION, TIPPING BUCKET, inches (event) (RAINTIP)SATELLITE 12/13/1995 to present.
BATTERY VOLTAGE, volts (hourly)(BAT VOL)MICROWAVE 01/01/1995 to present.
PRECIPITATION, TIPPING BUCKET, inches (hourly)(RAINTIP)MICROWAVE 01/01/1995 to present.
TEMPERATURE, AIR, deg f (hourly)(TEMP)SATELLITE 10/21/2009 to present.


Station comments:

06/30/2014Latitude, longitude, and elevation updated; information provided by field technician.