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Year to date precipitation totals6/18/2023 ![]() The data is processed in javascript and visualized here using HTML, CSS and javascript and the open source Plotly javascript graphing library. You can hover (or click) on the graph to audit the data a little more clearly.ĭata is downloaded from the California Data Exchange Center website of the California Department of Water Resources using a python script. 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. To access past Mesonet data, visit our Past Data page or submit a request. Year, Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec, Annual. Need Help To access Mesonet data from the past 7 days, contact our Mesonet Operator. Below-average precipitation extended from the West Coast to the northern Plains and from the southwestern Great Lakes to the Northeast, and across southern Texas. Total rainfall in millimetres for ATHENRY. 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 year-to-date national precipitation total was 8.63 inches, 0.85 inch below average, and ranked in the driest third of the January-April record. 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. More informationįor more information about precipitation data and streamflow data, please contact us at visualization consists of two primary graphs both of which show the range of historical values for precipitation. Year-to-Date Rainfall Updated the first week of each month. For example, WY 2021 is from Octothrough September 30, 2021. The name of the water year is based on the January - September portion of that time period. A water year begins October 1 and ends September 30 of the next year. Season to date (in.) Additional Information. Where we have real time data (time stamped at each. Stream flow and rainfall data is presented by water year. Santa Clara Valley Water District ALERT Precipitation Gage Information. Below is link to a HEC-DSS file that contains much of our rainfall data.
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