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
 
Which metric to compute?
Select variable to summarize:
First Threshold (F)
Second Threshold (F)
Third Threshold (F)
Fourth Threshold (F)
Image Pixel Size @100 DPI
Image Resolution (DPI) (max 500)
Select Output Format:

Plot Description:

This chart presents the accumulated frequency of a temperature threshold being the first time observed or last time observed during the fall season. There is a complexitiy to the last time metric as it is somewhat undefined as to when the fall season ends and the next spring/summer season beings. So life choices are made here:

For first below, the first date that the temperature happens is considered between 1 August and 31 May of the next year. This is generally straight forward.

For last above, the last date that the temperature happens is considered between 1 August and 31 December of the same year. This is nebulous for temperature thresholds that are common throughout the cold season. Caveat emptor.

Autoplot 120 is closely related to this autoplot and presents the spring season values.

Based on a sampling of recent timings for this application, plot generation time has averaged 3 seconds. Hold on for the plot is generating now!


View Data (as csv)   Download as Excel  
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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.