Observed 24-hour Basin Precipitation and next 24 Hour Basin QPF/Freezing LevelsĬNRFC Graphical Precipitation Maps This product is updated at 7:00 PM PDT.Ĭlimate Station Precipitation Summary. Precipitation totals are ending at 5 PM PDT. Missing data is estimated based on inverse-distance-squared weighting of nearby gage data to monthly PRISM climatological data.Ħ/24-Hour Precipitation Summary - Ī summary of precipitation since midnight, current seasonal totals (since October 1), and comparison to last year's seasonal totals. The precipitation data have been quality controlled. Hourly Precipitation Summary for the Past 6 HoursĪ summary of 6 hour and 24 hour precipitation ending at 5 AM PDT updated 8:00 AM PDT. Updates hourly at 20, 30, and 50 minutes after the hour. Gages are arrranged alphabetically by NWS Location Identifier. Precipitation Summary for the Past 1, 2, 3, 6, 12 & 24 Hours - Ī summary of hourly precipitation for the past 6 hours for California, Nevada, and portions of southern Oregon. Alternate links are provided as a backup option. Updates hourly at 18, 28, and 48 minutes after the hour. Observed Precipitation - Interactive Map InterfaceĬNRFC Precipitation Text Products Ī regional summary of precipitation for the past 1, 2, 3, 6, 12, and 24 hours for California, Nevada, and portions of southern Oregon. Also, KML files are available for download and use in Google™ Earth. In addition, observed precipitation grids are available on the interactive map and are updated once each day in the morning. Data are updated every 10 minutes between 05 and 55 minutes past the top of the hour. Data are available for the past 1, 2, 3, 6, 12, and 24 hours as well as 6 and 24 hour data ending at synoptic times (00, 06, 12, and 18 UTC). The California Department of Water Resources averages data from 19 weather stations spanning the state and generates averages for three regions.CNRFC Precipitation Summary - Interactive Map Interface Ī summary of nearly 2000 precipitation stations located throughout southern Oregon, California, and Nevada displayed on an interactive map interface. 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. Records were toppled for the 22-day period from Dec. That doesn't mean records weren't broken around the state, Lorber said. 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. "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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