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 uses hourly 4 inch depth soil temperature observations from the ISU Soil Moisture Network. It first plots the first period each year that the soil temperature was at or above a threshold degrees for at least X number of hours. It then plots any subsequent periods below 50 degrees for that year.3 Generated Chart
Based on recent timings, plot generation averages 7 seconds. Please wait while your chart is being generated...

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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.
- 20 May 2024: Avoided May Cold
- 29 Apr 2016: Soil Periods