The past few days have seen a respite from the summer like dew points near 70, but that will change today with very warm and humid air set to arrive with high temperatures well into the 90s. The featured chart presents the dew point values reported by the Ames Airport sensor since the first of the month. We have not had many extended periods above 70 degrees and a number of days below 60. The field crops have yet to get to their intensive transpiration periods yet, which is a big source of humidity in the summertime in Iowa.

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Tags:   jun11