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 (STC000? are climate district, ST0000 state avg)

Enter Start Year:

Enter End Year (inclusive):

Threshold Percentage [%]:

Image Pixel Size @100 DPI

Image Resolution (DPI) (50 to 500)

Select Output Format:

Plot Description:

This plot presents the frequency of having a month's preciptation at or above some threshold. This threshold is compared against the long term climatology for the site and month. This plot is designed to answer the question about reliability of monthly precipitation for a period of your choice.

3 Generated Chart

Based on recent timings, plot generation averages 2 seconds. Please wait while your chart is being generated...

CSV Data Excel Download

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.

16 May 2023: May Precip Reliability
18 May 2021: Recent Monthly Reliability
02 Oct 2019: Recent Monthly Precip
19 Jan 2018: Recent Dry Januaries
07 Apr 2016: Recent April Reliability
20 Jan 2015: January Precip
12 Aug 2014: Precip Reliabillity