Automated Data Plotter
This application dynamically generates many types of graphs derived from various IEM data sources. Feel free to use these generated graphics in whatever way you wish.
1 Select a Chart Type
2 Configure Chart Options
Plot Description:
The IEM attempts to create areal averaged climate values akin to what NCEI has with its "Climdiv" dataset. This autoplot creates comparisons between the two.Variances shown are problems with IEM's database/processing, not NCEI!
3 Generated Chart
Based on recent timings, plot generation averages 2 seconds. Please wait while your chart is being generated...

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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.
- 12 Jul 2023: Tracking NCEI