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)

Which Variable:

How many days:

Select Month:

Select Day:

Year to Highlight in Chart

Image Pixel Size @100 DPI

Image Resolution (DPI) (50 to 500)

Select Output Format:

Plot Description:

This plot compares a period of days prior to a specified date to the same number of days after a date. The specified date is not used in either statistical value. If you select a period that includes leap day, there is likely some small ambiguity with the resulting plot labels.

3 Generated Chart

Based on recent timings, plot generation averages 2 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.

02 Oct 2024: September into October
14 Nov 2022: 10 Day November Periods
25 Feb 2021: Comparing February Halves
16 Jul 2019: Comparing Three Weeks
28 Nov 2017: Tale of Two Novembers
01 Aug 2017: 3 weeks before and after 25 July
09 Jul 2015: First vs Second Half of Summer
30 Mar 2011: Cold start to April coming?
15 Sep 2009: Dry first, ??? second half