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I'll probably be back Sh*tsburgh (lampooning the climate; the city itself is great) when meteorological autumn begins, so first half of October, even though the 30-yr avg is 18 Oct, which is later than even Dulles Airport . First frosts at the airport there since 2000:
2013: 26 Oct
2012: 9 Oct
2011: 29 Oct. At least is accompanied with a surprise snowfall, so I could live w/that.
2010: 1 Nov
2009: 18 Oct
2008: 20 Oct
2007: 29 Oct
2006: 30 Oct
2005: 31 Oct
2004: 18 Oct
2003: 2 Oct
2002: 17 Oct
2001: 7 Oct
2000: 8 Oct
I don't actually have any info as to when our first frost is but I would guess the middle third of October. It will probably be a little later this year so late October is my guess.
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