For Des Moines, the high and low temperature on Sunday was within five degrees of average. The featured chart looks into the percentage of years with either the high or low temperature within five degrees Fahrenheit of average. The chart shows that this situation is actually not common with frequencies at about 30%. Rewording and for example, on about 70% of years the daily high is outside of the +/- five degrees of average. While the values on Sunday were both below average, perhaps we will eek out a couple days this week above average.

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