Automated Data Plotter

This application dynamically generates many types of graphs. These graphs are derived from processing of various data sources done by the IEM. Please feel free to use these generated graphics in whatever way you wish. Reset App. The IEM Explorer application offers a simplified frontend to some of these autoplots.


First, select a chart type::

Second, select specific chart options::

Evaluate change from this starting date:
(YYYY/mm/dd)
Evaluate change to this ending date:
(YYYY/mm/dd)
Compute SPI over how many trailing days
Select State:
Image Pixel Size @100 DPI
Image Resolution (DPI) (max 500)
Select Output Format:

Plot Description:

This autoplot produces an infographic for a given state with some diagnostics on the weekly change in Standardized Precipitation Index (SPI) over a given day interval. The purpose is to show how a state's SPI values have changed over a seven day period. Changes in SPI drought classfication are colorized as green for improvements and red for degradations.

Caution, this chart does take a number of seconds to generate.

Based on a sampling of recent timings for this application, plot generation time has averaged 90 seconds. Hold on for the plot is generating now!


View Data (as csv)   Download as Excel  
If you notice plotting issues with the image above, please do let us know by providing 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.