Guide to California Climate Zones

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The Guide to California Cimate Zones is a reference for designers interested in designing bioclimatic buildings. The files listed at right include climate descriptions, design strategies, and climate data (temperature, relative humidity, degree-day, design-day, extra-terrestrial radiation, wind speed and direction) for the California climate zones as defined by Title 24. Suggestions and guidelines for appropriate passive designs are shown on a bioclimatic chart.

To download the climate zone description of a California, click on one of the reference cites listed at right or an area in the map below.