![]() The California Department of Water Resources averages data from 19 weather stations spanning the state and generates averages for three regions. For the entire United States, excluding Hawaii and Alaska, the average amount of moisture falling as rain and snow is 30.21 inches (767 millimetres). average annual precipitation was 30.28 inches, which is 0.34 inches above the long-term average, ranking in the middle third of the. Rainfall in California from a monthly perspectiveĭecember and January rainfall totals have been above average in several parts of the state. State-wide averages of annual rainfall plus snowfall range from a high of 63.7 inches (1618 millimetres) in Hawaii to a low of 9.5 inches (241 millimetres) in Nevada. Napa was nearly 5 inches higher at 15.19 inches, and Sonoma's 15.8 inches beat its previous high of 12.56 inches. (Public domain.) Sources/Usage: Public Domain. This was the highest amount of precipitation within the 48 contiguous U.S. (Public domain.) Sources/Usage: Public Domain. In 2022, Mississippi recorded 59.44 inches of precipitation. This compares actual yearly precipitation totals with expected totals. The coastal region of Long Island from 1901-2000 had an estimated average precipitation of 44.35 inches, however during the 2005-2010 index period the estimated average precipitation was 48.38 inches. Downtown Oakland received 18.33 inches, topping the previous high by 8 inches. States which experienced unusually high annual precipitation in a given year. Lorber's calculations put all three locations well above their former records. 16 in areas around Oakland, Napa and Sonoma. Annual precipitation totals ranged from 12 to more than 24 inches (305 to 610 mm) above average in these areas. Records were toppled for the 22-day period from Dec. That doesn't mean records weren't broken around the state, Lorber said. For local details and impacts, please contact your State Climatologist or. Read more about the datasets and view data samples. 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. The data cutoff for Drought Monitor maps is each Tuesday at 8 a.m. Records of observations including details such as precipitation, wind, snowfall, and radar data. "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. Official precipitation totals for the city. "Downtown San Francisco did not see record rainfall in this period (Dec. Seattle averages 39.34 inches of precipitation a year, with the vast majority falling as rain instead of snow. 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.
0 Comments
Leave a Reply. |