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 1:

Select Station 2:

Select Comparison

Color Ramp:

Reverse Colormap?

Image Pixel Size @100 DPI

Image Resolution (DPI) (50 to 500)

Select Output Format:

Plot Description:

This application plots the difference in morning low or afternoon high temperature between two sites of your choice. The morning is defined as the period between midnight and 8 AM local time. The afternoon high is defined as the period between noon and 8 PM. If any difference is greater than 25 degrees, it is omitted from this analysis. This app may take a while to generate a plot, so please be patient!

Autoplot 250 generates a comparison of an hourly variable between two sites.

3 Generated Chart

Based on recent timings, plot generation averages 17 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.

07 Sep 2023: Sioux City vs Des Moines
20 May 2021: Ames vs Boone
17 Jun 2019: Quad Cities vs Sioux City
21 Mar 2017: Ames v. Ankeny
15 Jan 2015: Waterloo v Oelwein