The California Energy Commission’s Climate Zone Map is available on their website, here, and also below: The Climate Zone Map, and its implications on the cost-effectiveness of implementation, must be reviewed if a local government wishes to adopt local standards for energy efficiency beyond those set by Title 24 and have those standards approved and made enforceable by the CEC. Press the “Use My Location” button. To standardize Title 24 calculations and to provide a basis for presenting the criteria, the California Energy Commission has established 16 climate zones which are used with both the low-rise residential and the non-residential Title 24 energy standards. Though Climate Zone 1 is the coolest climate in California with the most HDD, it rarely freezes and seldom frosts. Here are the 3 ways to use the map, use whichever method you prefer: Enter your ZIP code in the search bar and click enter. Welcome to GardenZeus California Climate Zones, an innovative, dynamic climate-mapping system with free search by zip code. Of 24 climate zones defined in the Sunset Western Garden Book and the 20 zones defined by the United States Department of Agriculture (USDA), California has 20 and 16, respectively. If you see a hardiness zone in a gardening catalog or plant description, chances are it refers to this USDA map. Includes all counties and cities in California. I loaded zip code & county data from the U.S. Census bureau into a database, which I combined with county -- climate zone mapping data that a colleague pulled from REScheck. Energy use depends partly on climate conditions which differ throughout the state. Find your zone using the map below or enter your zip code. You can find your planting zone with our interactive map above, which is based on the data from USDA Plant Hardiness Map of 2012. Details Category: Code Updates. Climate Zones by Zip Code. So this makes looking up climate zone by zip code challenging if the project is located near a climate transition region. Check out the map below and Zone 1 is the coldest; zone … Here is the complete California climate zone listing by zip code. California Building Climate Zone Map Many of the code requirements are climate zone (CZ) specific. In the end I have a table with all 38,000+ U.S. zip codes mapped to a climate zone and moisture regime. You may be aware, but the ASHRAE climate zones are changing a bit as of the publication of 169-2013. Click here for more information about hardiness maps. See code for full details. To find your USDA Hardiness Zone, enter your zip code or use the map below. The annual precipitation for Climate Zone 1 is about 25 inches annually, most of it occurring in the winter months. List of all Zip Codes for the state of California, CA. Efficiency Standards and each associated national climate zone. I counted 1,413 zip codes in the US that overlap counties with different climate zones (see attached pivot table). The USDA plant hardiness map divides North America into 11 hardiness zones. The summers are drier and sunnier, but only warm enough to call for a few CDD. Zone … With effort and iterations over years, GardenZeus distilled California’s diverse […] Additionally, the code requires an area of the roof to be solar ready (250 square feet within 110° to 270° north with no roof penetrations or shade). Five of the eight ASHRAE/IESNA Standard 90.1 national climates zones (Climate Zones 2-6) are represented in California, though the majority of the state is represented by IECC and ASHRAE/IESNA Standard 90.1 Climate Zone 3. Rather than relying on the single metric of annual low temperature or a few data points, we considered many factors including historic weather data for the entire state. 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