

It also shows the present precipitation level and its percentile within the historical data for the day of the water year. NWS is estimating some cities in the Bay Area will get up to 2-3 inches of total rain by the end of the wet week. According to data from the state's Department of Water Resources, the Bay Area received roughly 82 of its annual average rainfall during the 2021-2022 water year, measured from Oct. You can see the current water year plotted on this to show how it compares to historical values. The second graph shows the percentiles of precipitation over the course of the historical water year, spreading out like a cone from the start of the water year (October 1).

The top graph is a histogram of water year precipitation totals on the specified date (in blue) as well as the precipitation total for the current water year in red. The visualization consists of two primary graphs both of which show the range of historical values for precipitation. Rainfall totals for the storm that started Sunday show an unusual pattern, with the heaviest rain in the Santa Cruz Mountains rather than the North Bay. Data from the CDEC website appears to be updated at around 8:30am PST each day. These stations are tracked because they provide important information about the state’s water supply (most of which originates from the Sierra Nevada Mountains). Current and future radar maps for assessing areas of precipitation, type, and intensity. That outpaced statewide precipitation, which only reached 76 of the average annual total.
#Rain totals bay area Patch
There are three sets of stations that are tracked in the data and these plots: According to data from the state's Department of Water Resources, the Bay Area received roughly 82 of its annual average rainfall during the 2021-2022 water year, measured from Oct. Weather Bay Area Rainfall Totals In: How Wet Did San Carlos Get Can you guess where the most rain fell on the Peninsula Renee Schiavone, Patch Staff. Other California water-related visualizations include reservoir levels in the state as well. I used data for California rainfall totals from the California Department of Water Resources. This year has been a relatively dry year and wanted to visualize how this year compares with historical levels for this time of year.

It’s winter in California and that means the rainy season (snowy in the mountains). How do current California rainfall and precipitation totals compare with Historical Averages?Ĭheck out the California reservoir dashboard.
