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 displays the frequency of a given day in the month having the coldest high or low temperature of that month for a year.3 Generated Chart
Based on recent timings, plot generation averages 1 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 2024: Warmest Day of July
- 20 Sep 2022: Warmest Day of September
- 28 Mar 2022: Day of Warmest March Temp
- 17 Sep 2020: Early Sept Cold Low Hold?
- 25 Mar 2019: Warmest Day of March
- 19 Dec 2018: Warmest Day of December
- 24 Nov 2017: Warmest Day of November
- 07 Aug 2017: Coldest High of August
- 24 Sep 2015: Coldest Day of September
- 12 May 2015: Coldest May Day
- 09 Mar 2015: March Min Date
- 30 May 2012: Coolest day in May
- 15 Apr 2011: Warm and Cold April Highs