![]() Los Angeles and San Diego also observed a large increase in rainfall at the same time, although not as astounding as the totals farther north in the state.īy the end of the 2016-17 water year on September 30, the Sacramento station had received almost 34 inches of rain. During the months of January and February, San Francisco and Sacramento received almost a year’s worth of rain, skyrocketing the seasonal precipitation totals. Things simply got out of hand once the calendar turned over to 2017. The plot shows that up until the start of December 2016, the water year in both northern and southern California was looking pretty average, running only slightly above-average. ![]() To give us a good look at how last year’s rainy winter played out across the state, I’ve taken weather station data from four major cities-San Francisco, Sacramento, Los Angeles and San Diego- and calculated a running accumulation of precipitation for the entire water year, starting on October 1 and ending on September 30 the next year. California wasn’t just wetter than normal it had its third-wettest year on record! That’s not how things, played out, though. And the black dotted line is the 1981-2010 average of water year accumulated precipitation. The blue line refers to the previous water year, 2016-2017. Orange line refers to the current, 2017-2018, water year. Accumulated precipitation for each water year (October-September) from 1950 to present in four cities in California. Sacramento San Francisco Los Angeles San DiegoĬlick tabs to toggle between cities. It was a reasonable outlook given that La Niña suggests drier conditions in southern California. The winter outlook for California, meanwhile, did not forecast a slam dunk for any outcome: it showed an increased chance of drier conditions in southern California and an equal chance of above, below or normal precipitation in northern California. You can read exactly what we were thinking about ENSO right before the 2016-2017 winter here (1). The rainfall during last winter in California probably falls in that “not-so-much” category. Even so, we can use the state of ENSO as a “hint” of what may be in store. NASA MODIS/TERRA satellite image taken from NASA Worldview.įirst off, if there is one topic that we here at the ENSO Blog have covered repeatedly, it’s that when it comes to specific climate impacts, especially for the United States, an El Niño or La Niña is a guarantee of absolutely nothing. Heavy rains and higher elevation snow battered California during a multi-day atmospheric river event. The total season normal for this station is 13.45 inches.Satellite image taken on January 8, 2017. The latest normals are National Centers For Environmental Information data, used by the National Weather Service, based upon 30-year averages, covering 1991 through 2020. † Normals, reissued every ten years, were updated on May 4, 2021. NOTE: Rainfall normals were updated on May 4, 2021. Monthly rainfall totals for previous seasons are found at Monthly Rainfall for Santa Monica. Rainfall measured in inches Date (September) 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). Current Season Rainfall-to-Date - Woodland Hills, Los Angeles Current Season Rainfall-to-Date - Whittier Current Season Rainfall-to-Date - Westwood, Los Angeles Current Season Rainfall-to-Date - Van Nuys, Los Angeles Current Season Rainfall-to-Date - Santa Fe Dam (San Gabriel Valley) ![]() Current Season Rainfall-to-Date - Santa Clarita Current Season Rainfall-to-Date - Santa Catalina Island Current Season Rainfall-to-Date - Sandberg Current Season Rainfall-to-Date - Pasadena Current Season Rainfall-to-Date - Palmdale Current Season Rainfall-to-Date - Los Angeles International Airport Current Season Rainfall-to-Date - Long Beach Current Season Rainfall-to-Date - Lancaster Current Season Rainfall-to-Date - Hawthorne ![]() Current Season Rainfall-to-Date - Claremont Current Season Rainfall-to-Date - Burbank Current Season Rainfall-to-Date - Downtown Los Angeles Historic Van Nuys Airport Seasonal Rainfall Why our “Rainfall Season” is different than that of the National Weather Service Court & Vital Records from Orange County, CA.Postal Zip Code Look-up for Los Angeles County.The Los Angeles Basin - A Huge Bowl of Sand.Can a Volcanic Eruption Occur in Los Angeles?.
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