The featured graph is a recent time series of average daily four inch depth soil temperatures from the Ames site along with its climatology. Our stretch of cold air temperatures has helped to allow soil temperatures to cool from the 60s to low 40s. Relatively warm soil temps are a good thing to prevent snow from sticking around very long, but it is only a matter of time before soil temps freeze and the snow will have a chance to stick around for the winter.

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