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.

Reset App IEM Explorer (Simplified)

1 Select a Chart Type

Choose from available chart types:

2 Configure Chart Options

Select Station (STC000? are climate district, ST0000 state avg)

Select Month:

Select variable to plot:

Image Pixel Size @100 DPI

Image Resolution (DPI) (50 to 500)

Select Output Format:

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...

CSV Data Excel Download

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.

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