Incorrect data for first freeze at Portland, Maine
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10/31/2014
Hello-- your write-up for Portland says first freeze on average "late September". This is not true, for well over 100 years now.
Average date of first freeze at Portland Intl. Jetport (PWM) from 1981-2010 is 10/8. The longer period of record from 1940-2010: 10/5.
(Recently? 2013's first freeze was new record-late 10/25. So far, as of today (10/31/14), we've still not had it. Another new record.)
Steve | Portland, ME