![]() ![]() This study is available for download on the CALMAC Searchable Database, found elsewhere on this site. Los Angeles averages only 14.7 inches (373 mm) of precipitation per year, and. For detailed information, including file naming conventions, formats, and data processing procedures, refer to: Update of California Weather Files for Use in Utility Energy Efficiency Programs and Building Energy Standard Compliance Calculations, CALMAC Study ID PGE0450.00. Even less common is rain from remnants of dissipating eastern Pacific hurricanes. Satellite-derived solar radiation data originates from the National Solar Radiation Database (NSRDB) maintained by the National Renewable Energy Laboratory. The Integrated Surface Database is maintained by the National Center for Environmental Information (NCEI). Sources: Weather station data are from the Integrated Surface Database and the National Solar Radiation Database. The weather data for the year prior to the current year is updated, using the satellite-derived radiation data, in approximately July of the current year. The year prior to the current year also used modeled solar radiation data until the satellite-derived radiation data for the year prior to the current year becomes available. Data for the current year uses modeled solar radiation data. Historical Weather Files: The historical weather data is presented by year, starting with 2014 for 131 locations, of which 122 have data for all 8 years. Like the CZ2010, CZ2022 uses statewide “typical months”, which resulted in 97 locations, with 30 locations dropped due to missing data. CZ2022 typical year files span 1998 through 2017 (a 20 year period of record) and were adopted by the California Energy Commission for Title 24 Version 2022.These files are also sometimes referred to as CALEE2018. It should be noted that (1) CZ2018 includes the same 127 locations as the historical weather data, (2) uses location-specific “typical months”, and (3) “2018” refers to the year of creation, rather than the Title 24 version. CZ2018 typical year files span 2006 through 2017 (a 12 year period of record) and represents a more recent 12 year span of time than CZ2010.As required by the California Energy Commission, the CZ2010 use statewide “typical months”. CZ2010 typical year files span 1998 through 2009 (a 12 year period of record) and were the standard weather files adopted by the California Energy Commission for Title 24 compliance calculations from 2010 through 2022.Typical Weather Files: Three different typical year weather files are presented, each representing a different span of years. ![]() ![]() Source: National Weather Service Forecast Office, Los Angeles/Oxnard and Western Regional Climate Center.This page supplies both typical (most representative of a span of years) and historical (single year) weather data for 86-127 and 127 California weather stations, respectively. † One or more months during the season was missing data for five or more days. "Normal" or average seasonal precipitation for this station, provided by the National Centers for Environmental Information, is 16.41 inches, based upon the 30-year average for seasons 1991 through 2020. * Average as calculated over all years of available rainfall data. Los Angeles, CA past weather data including previous temperature, barometric pressure, humidity, dew point, rain total, and wind conditions. See month-by-month numbers as season unfolds. NOTE: When most weather reporting sources cite weather in Los Angeles (without specifying where, exactly, in Los Angeles), these numbers are typically for the Downtown Los Angeles weather station (actually located on the USC campus).Īverage for seasons 1949 through 2022: 15.96 inches* Season (July 1-June 30) Average - Santa Fe Dam (San Gabriel Valley) Average - Los Angeles International Airport Monthly Rainfall by Season - Woodland Hills (Pierce College) Overall Seasonal Average Woodland Hills, Los Angeles, California The daily range of reported temperatures (gray bars) and 24-hour highs (red ticks) and lows (blue ticks), placed over the daily average high (faint red line) and low (faint blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. Court & Vital Records from Orange County, CA Detailed temperature information for Los Angeles, California with statistics on average monthly highs and lows plus number of days with hot or cold weather.Postal Zip Code Look-up for Los Angeles County.The Los Angeles Basin - A Huge Bowl of Sand.The United Materials Company, agent for the Los Angeles Pressed Brick. Can a Volcanic Eruption Occur in Los Angeles? Notwithstanding the delay in building, the rain is very gratifying to brick. ![]()
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