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Figure I start a thread on it to keep track who's hit and who hasn't.
Here's a map showing the Earliest freezing temp date..
I'm end of September (border of purple and blue) Bridgeport at coast earliest 32F/0C is October 9th, Danbury just north of me is Sept 12th, so makes sense mine would be end of Sept as the extreme.
Earliest 32F Date
Hartford: September 20, 1969
Bridgeport: Oct 9, 1988
Danbury: Sep 12, 1943
Providence: Sept 30, 1951
NYC: Oct 15, 1986
Philly: Oct 5, 1961
Boston: Oct 5, 1881
That map doesn't seem very accurate to me. Denver's average first frost is October 10, but this shows it as being in September on average. (although we did have a slight frost last week lol!) And it shows coastal Southern California with an average in November. I lived in the coastal plain of Orange County and any frost period was extremely rare. I think I saw an extremely light frost maybe 3 times in 15 years.
That map doesn't seem very accurate to me. Denver's average first frost is October 10, but this shows it as being in September on average. (although we did have a slight frost last week lol!) And it shows coastal Southern California with an average in November. I lived in the coastal plain of Orange County and any frost period was extremely rare. I think I saw an extremely light frost maybe 3 times in 15 years.
The map shows the earliest frost date ever recorded, not the average.
Rapid City, South Dakota
Cheyenne Wyoming.
Aberdeen South Dakota
Bismarck, North Dakota
All hit 32F
No Climo Station in New England hit except Houlton Maine. There was of course other sites that did like these..
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