The California Department of Water Resources averages data from 19 weather stations spanning the state and generates averages for three regions. Rainfall in California from a monthly perspectiveĭecember and January rainfall totals have been above average in several parts of the state. Napa was nearly 5 inches higher at 15.19 inches, and Sonoma's 15.8 inches beat its previous high of 12.56 inches. Downtown Oakland received 18.33 inches, topping the previous high by 8 inches. Lorber's calculations put all three locations well above their former records. 16 in areas around Oakland, Napa and Sonoma. The map of California shows how this water year’s precipitation compares to what has been observed historically. Records were toppled for the 22-day period from Dec. California’s annual precipitation can vary greatly from year to year and region to region.
That doesn't mean records weren't broken around the state, Lorber said. Today Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities Orange Weather Radar Now Rain Snow Ice Mix United States Weather Radar California Weather Radar More Maps. And here is a look at rainfall totals for the last 24 hours as of 2 p.m. San Francisco's total rainfall of 17.64 inches was second to that rainy season more than 160 years ago, when the same time period saw 18.49 inches. Santiago Peak: 1.24 Upper Silverado Canyon: 0.87 Garden Grove: 0.67 Oceanview: 0.47. "Downtown San Francisco is our only site that has records that far back." 16) due to even more exceptional rainfall in the Great Flood from December 1861 to January 1862," National Weather Service meteorologist Jeff Lorber said. "Downtown San Francisco did not see record rainfall in this period (Dec. The data, from Oregon State University’s PRISM product, is based on the network of real-time precipitation sensors spread throughout California.įor some cities.
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