The low temperature dipped to 51 degrees for Des Moines on Sunday morning, which set a record low temperature. How common is this cold of a temperature in July? The featured chart presents a means by which low temperature frequencies can be compared to high temperature frequencies by equating their respective percentiles. A line is shown for each month of the year. So for July, the 51 degree low temperature compares with a high temperature around 104. Restating, Des Moines has about the same number of days at or below 51 degrees for a low temperature as it does for having a high temperature at or above 104. So you could say the weather this morning is as common as a high of 104!

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Tags:   qq   climate   highs   lows