IEM Daily Feature
Monday, 23 July 2018

July Sub 60 Dew Points

Posted: 23 Jul 2018 05:40 AM

Very pleasant air was to be found over Iowa this past weekend with some locations lucky enough to dip below 60 degree dew point temperatures. Such values are not that uncommon during July, but have been difficult to come by this year. The featured chart presents some frequency stats on such sub 60 degree dew points. The top chart shows the total number of hours each July for Des Moines and the bottom chart looks at the number of days each July that they hourly dew point was sub 60. The year 2011 only has 1 hour, so this year's meager total could certainly be worse. The forecast this week continues the very pleasant mid-summer conditions, which are near ideal for RAGBRAI.

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