by Tony Crocker » Thu Nov 29, 2012 4:58 pm
Harold's response on the election:
National polls 9 days ahead (Gallup, Pew, Washington Post) had the race a dead heat. Harold reiterates that Nate Silver's contention of state polls being more accurate than national polls makes no sense. Historically in close races the "out" party tends to gain a bit at the end, thus Harold's "Romney odds are at least 50%" comment. There was in fact a 4 point swing toward Obama in those last 9 days, which was noted by all of the above 3 national polls shortly before the election.
Nate Silver moved his Obama probability from 80% to 90%. In terms of state results Romney did not have any close state wins other than North Carolina. That was by 2.2% and I can't find another one less than 9%. By contrast Obama won Florida by 0.9%, Ohio by 1.9%, Virginia by 3% and a few others by 5-6%. Therefore anyone whose prediction was slight to moderately favorable to Obama was going to get at least 49 states correct. If your prediction missed in favor of Romney by a few points you were going to be wrong by many more electoral votes.
It's always speculation what causes last minute swings like this. The best guess for 2012 is Hurricane Sandy, which tapped into Obama's 80-20 advantage in the polling question, "Who cares more about people like us?" Supporting this theory is the fact that Gov. Christie's approval ratings have also gone up a lot after Sandy.
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