Typically being located in the far northeastern corner of Iowa means you experience some of the cooler temperatures within the state. Wednesday was an exception to that generality with Decorah (site id: DEH) reporting the warmest high temperature near 72 degrees. The reason why Decorah was the warmest was the location actually saw significant sunshine whereas the most of the rest of the state was cloudy. The featured chart compares an IEM produced solar radiation estimate based on HRRR model data against the reported high temperature for airport weather stations in the state. Selected sites are labeled by their station identifier. The relationship between the two variables is clear with increasing sunshine leading to warmer temperatures.

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Tags:   solar   radiation