The Iowa Environmental Mesonet (IEM) collects environmental data from cooperating members with observing networks. The data are stored and made available on this website.

IEM Daily Feature

Avoided May Cold


Posted: 20 May 2024 05:30 AM, Views: 1119
The featured chart looks into spring season periods with four inch depth soil temperatures around 50 degrees. For each year on record for the Ames Ag Farm Ag Climate / Soil Moisture site, the first period lasting at least 48 hours with the soil temperature above 50°F is colored red, then any subsequent periods below 50°F are colored light blue. If those periods last more than 24 hours, they are colored dark blue. For this year, there was only a brief period toward the end of April with such chilly soil temperatures. The entire month of May has seen temperatures above 50°F at a four inch depth.
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Previous Years' Features
Sigourney IA 92 Roadway, IA Webcam:
News Items  

16 April NWS Data Outage [resolved]
Posted: 16 Apr 8:53 AM

15 April NWS Website Outage [resolved]
Posted: 15 Apr 9:54 PM

15 April GOES Outage [resolved]
Posted: 15 Apr 10:52 AM

3 April NWS Data Outage
Posted: 3 Apr 1:08 PM

2 April NWS Data Outage
Posted: 2 Apr 8:40 AM

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Soil Temperatures

Data from the Iowa State Soil Moisture Network is found on this website and daily soil temperature averages are used to produce the highlighted analysis.

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The IEM combines data from participating networks into products like maps shown above and web applications to analyze the data.

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