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:

Select Variable

Hours:

Histogram Binning Width (unit of variable)

Image Pixel Size @100 DPI

Image Resolution (DPI) (50 to 500)

Select Output Format:

Plot Description:

This plot presents a histogram of the change in some observed variable over a given number of hours. The histogram is constructed by computing the 99.9th percentile of the absolute value of the change in the variable over the given number of hours. This max value is then used to create a histogram with bins of a given width. The histogram is then normalized by the number of years of data available.

3 Generated Chart

Based on recent timings, plot generation averages 26 seconds. Please wait while your chart is being generated...

CSV Data Excel Download

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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.

07 Aug 2024: Welcome Temperature Change
22 Jul 2022: Dog Days of Summer
18 Sep 2020: Relative Humidity Changes
14 Mar 2019: Pressure Changes
03 Aug 2017: Smallest Day to Day Changes
14 Aug 2015: Change over 24 Hours
03 Dec 2014: 24 Hour Changes