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.
Second, select specific chart options::
Plot Description:
This application plots an analysis of station data for a period of your choice. Spatially aggregated values like those for climate districts and statewide averages are not included. The IEM computed climatologies are based on simple daily averages of observations.Change 1 Dec 2022: When you select a plot variable that does need climatology, the resulting download does not contain those climatology fields as they are computationally expensive to compute on-the-fly. This was done as an optimization to speed up the app.
Based on a sampling of recent timings for this application, plot generation time has averaged 19 seconds. Hold on for the plot is generating now!

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.
- 14 Feb 2023: February Difference
- 10 Jun 2022: Still Dry for Year to Date
- 31 Jan 2022: East to West Difference
- 18 Nov 2021: Fall 2021 Precip Departures
- 26 Jul 2021: Plenty of Zeros
- 06 Jul 2021: Percent of Average Precip
- 08 Apr 2021: Large Early Accumulation
- 03 Aug 2020: Three Inch Departures
- 20 May 2020: Cool May Start
- 08 Aug 2019: July 1 Precip Departures
- 14 May 2019: Slow GDD Start to May
- 14 Jun 2018: D2 Returns
- 18 May 2018: Just 39
- 27 Feb 2018: February Maxes
- 08 Jun 2017: May 1 Precip Departures
- 16 Mar 2017: 20+ inch difference
- 10 Oct 2016: 30 Day Departures
- 20 May 2016: East / West Split
- 13 Apr 2016: 2016 Precip Departures
- 13 Nov 2015: Just Des Moines Left
- 10 Sep 2015: Large 30 Day Differences
- 06 Aug 2015: After all that rain
- 13 Jun 2014: May 1 Departures
- 30 May 2014: April / May Departures
- 12 Feb 2014: Winter Temperature Departure
- 31 Oct 2013: 2013 Departures
- 16 Sep 2013: Less than 20%
- 01 Oct 2012: September Ends
- 03 Aug 2012: No rain for July
- 07 Jun 2012: Mostly dry since 1 May
- 11 Oct 2011: Averaging 80
- 26 Apr 2011: Remarkable April
- 29 May 2009: Within a few inches
- 22 May 2009: 2009 Precipitation
- 06 May 2005: Slow start for May