The annual precipitation for Climate Zone 1 is about 25 inches annually, most of it occurring in the winter months. 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. List of all Zip Codes for the state of California, CA. Zone 1 is the coldest; zone … Climate Zones by Zip Code. Check out the map below and Find your zone using the map below or enter your zip code. Press the “Use My Location” button. Click here for more information about hardiness maps. 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. 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. California Building Climate Zone Map Many of the code requirements are climate zone (CZ) specific. Includes all counties and cities in California. 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. The summers are drier and sunnier, but only warm enough to call for a few CDD. 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). 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. I counted 1,413 zip codes in the US that overlap counties with different climate zones (see attached pivot table). 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. Here is the complete California climate zone listing by zip code. Efficiency Standards and each associated national climate zone. In the end I have a table with all 38,000+ U.S. zip codes mapped to a climate zone and moisture regime. So this makes looking up climate zone by zip code challenging if the project is located near a climate transition region. You may be aware, but the ASHRAE climate zones are changing a bit as of the publication of 169-2013. To find your USDA Hardiness Zone, enter your zip code or use the map below. 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. If you see a hardiness zone in a gardening catalog or plant description, chances are it refers to this USDA map. Though Climate Zone 1 is the coolest climate in California with the most HDD, it rarely freezes and seldom frosts. Welcome to GardenZeus California Climate Zones, an innovative, dynamic climate-mapping system with free search by zip code. The USDA plant hardiness map divides North America into 11 hardiness zones. Energy use depends partly on climate conditions which differ throughout the state. See code for full details. 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