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.

Reset App IEM Explorer (Simplified)

1 Select a Chart Type

Choose from available chart types:

2 Configure Chart Options

Select Station:

Which metric to compute

First Year to Plot

Last Year to Plot

Plot Regression?

Image Pixel Size @100 DPI

Image Resolution (DPI) (50 to 500)

Select Output Format:

Plot Description:

Create plots of yearly totals and optionally fit a linear trendline. Here is a brief description of some of the available metrics.

Frost Free Days: Number of days each year between the last spring sub 32F temperature and first fall sub 32F temperature.

If you plot the DJF period, the year shown is the year of the December within the three year period.

3 Generated Chart

Based on recent timings, plot generation averages 1 seconds. Please wait while your chart is being generated...

CSV Data Excel Download

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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.

28 Mar 2024: Spring Season Temp Trend
10 Mar 2022: Winter Low Trend
02 Jul 2020: Summer Average Highs
28 Dec 2018: Waterloo Tops 1993
08 Oct 2018: New Hampton Precipitation Record
30 Nov 2017: Frost Free Days