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::

Select Station
Inclusive Start Date of the Year
Inclusise End Date of the Year
Stop accumulation once daily low (after 1 July) below threshold (F) [overrides number of days above]
Variable to Compute:
Threshold (when appropriate):
Growing Degree Day Base (F)
Growing Degree Day Ceiling (F)
Year to Highlight in Chart:
Image Pixel Size @100 DPI
Image Resolution (DPI) (max 500)
Select Output Format:

Plot Description:

This plot presents aggregate statistics by year for a date period of your choice. You can either set an explicit date period or make the end date based on the first date below a given low temperature threshold. If your period crosses a year bounds, the plotted year represents the year of the start date of the period.

This autoplot is specific to data from COOP stations, a similiar autoplot #140 exists for automated stations.

A quorum of at least 90% of the days within the choosen period must have data in order to be included within the plot.

Updated 12 Oct 2023: The API for this autoplot was changed to use a more user friendly start and end date.

Based on a sampling of recent timings for this application, plot generation time has averaged 2 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.