IEM Daily Feature
Wednesday, 29 July 2009

Lack of GDDs

Posted: 29 Jul 2009 06:14 AM

The featured map is a summary of growing degree days based on Iowa ASOS network daily observations. When compared against long term data, the percentile for this year's values are mostly below 10 (blue number). Based on these unofficial numbers, places like Dubuque and Davenport have not seen smaller GDD accumulations for the period of 1 May thru 28 July. More cool weather is in the forecast with highs struggling to reach 70 on Thursday!

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Tags:   2009