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:
Displays the number of times that a single day's precipitation was greater than some portion of the monthly total. The default settings provide the frequency of getting half of the month's precipitation within one 24 hour period.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.
- 04 Dec 2023: 95% of Monthly Total
- 09 Feb 2022: 85% of month in one day
- 12 Jun 2020: One Big Rain Event
- 07 Sep 2018: 60% of Monthly Total
- 30 Nov 2016: 50% in a Day
- 03 Feb 2015: Besting the Month in One Day