The featured chart displays the average near-surface water vapor mixing ratio compuated at the Des Moines Airport. This value has units of grams per kilogram and can be thought of as the mass ratio of water vapor versus dry air. For the period of 1 July to 17 August, this year has been the most humid since 1970. Our current stretch of weather has seen a welcome relief from the extreme humidity values.

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Tags:   jul10   aug10  

Tags:   jul10   aug10