The Fairbanks Airport made it to freezing late Wednesday evening, so the date of first freeze goes into the books as Sept 22nd, two weeks later than normal and tied for 4th latest of record. Over the past 5 years, the dates of first freeze are:
2006 Sep 25
2007 Sep 21
2008 Sep 21
2009 Sep 23
2010 Sep 22
During this time there have been no instrumental or exposure changes.
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