It also shows the present precipitation level and its percentile within the historical data for the day of the water year. 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). STATEWIDE TOP-10 AVERAGE PRECIPITATION EXTREMES, BY MONTH, SEASON, & YEAR TOP-20 MAXIMUM DAILY-MONTHLY-ANNUAL PRECIPITATION TOTALS Maryland Locations with 10. 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. Data from the CDEC website appears to be updated at around 8:30am PST each day. Access historical weather, climate data, and related information for numerous locations across Canada. These stations are tracked because they provide important information about the state’s water supply (most of which originates from the Sierra Nevada Mountains). There are three sets of stations that are tracked in the data and these plots: 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. I wanted to visualize how the current year compares with historical levels for this time of year. Select the date range to choose a time period. The date range changes based on the selected dataset. Data coverage is stored based on observations over a specific period of time whether annually, monthly, or daily. If you are lookin at this visualization, it’s likely winter in California and that means the rainy season (snowy in the mountains). View Station Data is a web based interface which allows easy access to NCDCs station databases. How do current California rainfall and precipitation totals compare with Historical Averages?Ĭheck out the California reservoir dashboard and the California Snowpack Visualizer and combined reservoir and snowpack graph.
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