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.
1 Select a Chart Type
2 Configure Chart Options
Plot Description:
This plot compares the growing degree day vs precipitation departure for a given month and station. The departure is expressed in units of standard deviation. So a value of one would represent an one standard deviation departure from long term mean. The mean and standard deviation is computed against the current / period of record climatology. The circle represents a line of equal extremity as compared with the year of your choosing. The dots greater than 2.5 sigma from center are labelled with the year they represent.3 Generated Chart
Based on recent timings, plot generation averages 1 seconds. Please wait while your chart is being generated...

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.
- 06 Aug 2024: Close to Average July
- 01 Jun 2022: Both Close to Average
- 01 Oct 2020: September Precip and GDDs
- 01 Apr 2019: March was cool and wet
- 06 Sep 2017: Low August GDDs
- 03 Jul 2017: June Sigma Departures
- 04 Aug 2015: Aridity for July
- 04 Aug 2014: July Departures