Station Datasets

VCPWA-Watershed Protection Hydrologic Data Server

Welcome to Ventura County Watershed Protection District Hydrologic Data Webpage. This page provides rain, stream, and evaporation data from the District's official gages in Ventura County, as well as other available data used in District planning studies.

Due to the complexity of the website and datasets, we STRONGLY urge you to read our file explaining how to download data from this website and any associated caveats by clicking on: Hydrodata Web Questions. Please read the file before you contact us with any questions regarding this site or our data sets.

For certified data or non-standard data not available on this website, please send a data request to the Hydrology Section as outlined in Hydrodata Web Questions document.

Official and Preliminary data are available by water year clicking on the station name and by selecting the water year and format selectors for each dataset. Additional Supplimental Reports for specific stations are available for downlaod from each station's drop-down menus.

Station 237 Information

Site Id: 237
Station Name: San Guillermo
Latitude: 34° 39' 25.6" N
Longitude: 119° 10' 13.0" W
Datum: World Geodetic System 1984
Elevation: 5125 feet
Station Type: Storage Precip & ALERT
VCWPD Zone: Zone 2 (Santa Clara River)
NCDC Site Id: None
Currently Active: Yes
Associated Station(s):none

Available Datasets

Dataset NamePublish TypeStart DateEnd Date
Rainfall: Daily TotalsPublished Data// : - // :
Preliminary Data04/30/2007 08:00 - 10/01/2019 08:00
Unverified Telemetry Data06/20/2024 08:00
Rainfall: Hourly TotalsPublished Data// : - // :
Preliminary Data05/01/2007 12:00 - 10/01/2019 00:00
Unverified Telemetry Data06/20/2024 15:00
Rainfall: Storage Gage Annual TotalsPublished Data09/30/1971 08:00 - 09/30/2011 08:00
Preliminary Data09/30/2011 08:00 - 09/30/2021 08:00

Official and Supplemental Reports Published for This Station

Official Reports - Click Download button to download file
Select Report:

Rainfall: Daily Totals

Publish TypeStart DateEnd Date
Published Data: // :- // :
Preliminary Data: 04/30/2007 08:00- 10/01/2019 08:00
Unverifed Telemetry Data:06/20/2024 08:00
Daily Rainfall - Water Year Products
Select Water Year:
Formatted Daily Report:
Data Download: Select Format:
For Daily Rainfall Plot:

Monthly Rainfall - Multiple Water Year Products
Select Water Year Range: to
Formatted Monthly Report:
Data Download: Select Format:

Rainfall: Hourly Totals

Publish TypeStart DateEnd Date
Published Data: // :- // :
Preliminary Data: 05/01/2007 12:00- 10/01/2019 00:00
Unverifed Telemetry Data:06/20/2024 15:00
Monthly Products
Select Month / Year:
Formatted Hourly Report:
Data Download: Select Format:

Entire Water Year Products
Select Water Year:
Data Download: Select Format:

Rainfall: Storage Gage Annual Totals

Publish TypeStart DateEnd Date
Published Data: 09/30/1971 08:00- 09/30/2011 08:00
Preliminary Data: 09/30/2011 08:00- 09/30/2021 08:00
Unverifed Telemetry Data:N/A
Storage Gage Rainfall - Water Year Products
Select Water Year:
All Measurements Download:
Annual Total Download:

Obsolete Reports and Data Files

Warning: These files are obsolete and should be used only if the data are not available from above choises.

Select a compiled dataset or summary from the list and click Download:

Data marked with 'P' are preliminary and subject to change until checked and evaluated. Data marked with 'U' are unverified and are subject to changed and evaluated. Unverified data may contain errors that have not been checked by Hydrology staff. Ventura County does not guarantee the accuracy of these data; please note that river flows may vary considerably during each day and from day to day.Oficial published data are marked with 'A '.