Saturday, December 01, 2012

Coldest November Since 1996

November's average temperature of 44.2 degrees was 3.4 degrees below average and was also the coldest November in Philadelphia since 1996. It's been a while since we've been this chilled in the Delaware Valley. Much of it was brought to you by the trough that developed and captured Sandy at the end of October.  That resulting blocking pattern held serve through much of the month.

November featured just seven above average temperature days in the course of the month -- also the fewest for any month this year.  It's our first below average temperature month in Philly since August 2001 and we have not been this far below average since January 2011 (3.6 degrees from average).

In terms of precipitation, the month's total of 1.05" was significantly below average -- the month averages 2.99" normally.  The region generally was around two to three inches below average on precipitation as 2012 continues its incredibly dry theme.  Our yearly precipitation total of 31.52" is slightly above half of last year's pace.  If we get just 0.64" of precipitation in December (doubtful, it would be second driest since 1872), we would get under half of 2011's total of 64.33".