Automated Data Plotter
This application dynamically generates many types of graphs. These graphs are derived from processing of various data sources done by the IEM. Please feel free to use these generated graphics in whatever way you wish.
Second, select specific chart options::
Plot Description:Based on available hourly observation reports by METAR stations, this application presents the frequency of number of hours for a given month or season at a given threshold.
Updated 18 Sep 2018:Plotting tool was updated to consider dates prior to 1973 and to shade years that have more than 20% missing data. The hourly averages are based on years with sufficient data coverage.
Based on a sampling of recent timings for this application, plot generation time has averaged 7 seconds. Hold on for the plot is generating now!
IEM Daily Features using this plot
The IEM Daily Features found on this website often utilize plots found on this application. Here is a listing of features referencing this plot type.