The Iowa Environmental Mesonet (IEM) collects environmental data from cooperating members with observing networks. The data are stored and made available on this website.
2024 PRISM Departures
Posted: 18 Mar 2024 05:30 AM, Views: 1067
The last half of March and April is an important time for rainfed agriculture to replenish soil moisture reserves prior to the start of the growing season. The featured map checks in on how things are going so far this year for Iowa by plotting PRISM precipitation departures from average so far this year. About the southeastern third of the state has fared the best so far with far northern Iowa showing the largest below average values. Drought continues to be a significant concern and while some precipitation is forecast to fall this week, amounts do not appear to be much higher than climatology.
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Previous Years' Features
2022: '21-'22 Winter Storm #14
2021: CONUS Drought Coverage
2020: Isolated Warm Day
2019: Awaiting First 60
2015: Quiet Start to 2015
2014: Accumulated days
2013: '12-'13 Winter Storm #12
2012: Plant Corn in March?
2002: Rainy and Foggy Morning
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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.