A frontal boundary is helping to maintain an area of showers over Iowa this fine Tuesday morning with some select locales expected to pick up around an inch of rainfall. How common is it to get an inch of rain in one day in October? The featured graph shows the frequency of getting an inch plus rainfall observeration somewhere in the state based on the past 57 years of data. Values for October are around 20%, which would roughly be once every 5 years on a daily basis.

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Tags:   rain  

Tags:   rain