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:
This plot presents the daily frequency of the first station having a higher value than the second station.3 Generated Chart
Based on recent timings, plot generation averages 2 seconds. Please wait while your chart is being generated...

If you notice plotting issues with the image above, please
contact us
and provide the URL address currently shown by your web browser.
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.
- 11 Aug 2023: Waterloo vs Des Moines
- 09 Sep 2021: Des Moines vs Waterloo
- 05 Feb 2020: Cedar Rapids warmer than Des Moines
- 22 Feb 2018: Southeast vs Northwest Iowa
- 17 May 2016: Northeast was a lot warmer