EarthWorks Geospatial Catalog

Precipitation in Watersheds: San Francisco Bay Area, California, 2009

, , , and
This polygon shapefile depicts a watershed integrity cluster analysis at the CalWater 2.2.1 Planning Watershed (PWS) level performed by mapping factors representing some of the most significant watershed threats. Each of the individual watershed integrity factors was individually mapped and then combined in the watershed cluster analysis. This individual threat, cultivated, was created by taking calwater watersheds at the planning unit level (most refined) and running zonal stats, part of spatial analyst. The CalWater PWS watershed was the zone dataset (pwsname as the zone field) and Annual Precipitation as the value raster. The result gives you the mean percent annual precipitation for the nine county San Francisco Bay Area Region, California at the watershed level in a table that you can join back to the CalWater GIS layer and then symbolize as a graduated color with the mean being the value field. This analysis was done by the Conservation Lands Network Fish and Riparian Focus Team.This dataset was developed/compiled for use in the San Francisco Bay Area Upland Habitat Goals Project, a Project used to identify a Conservation Lands Network (CLN) for biodiversity preservation to inform conservation investments and lasting cooperative conservation partnerships. The Conservation Lands Network GIS Database is the primary output of the Project. The data depicts the spatially explicit CLN that is recommended for the nine county San Francisco Bay Area Region, California.
Bay Area Open Space Council
San Francisco Bay (Calif.), San Francisco Bay Area (Calif.), Alameda County (Calif.), Contra Costa County (Calif.), Marin County (Calif.), Napa County (Calif.), San Francisco County (Calif.), San Mateo County (Calif.), Santa Clara County (Calif.), Solano County (Calif.), and Sonoma County (Calif.)
Watersheds, Climate, Precipitation normals, Rain and rainfall, Environment, and Climatology, Meteorology and Atmosphere
Held by
More details at
Use and reproduction
This item is in the public domain. There are no restrictions on use.
This work is in the Public Domain, meaning that it is not subject to copyright.
Attribute Value
Click on map to inspect values