We analyzed the results of consecutive medical school interviews at the University of Toronto between 2004 and 2009. ... A total of 2926 candidates were interviewed over the 6-year period. ... Overall, those interviewed on rainy days received about a 1% lower score than those interviewed on sunny days (average score 16.31 v. 16.49, p = 0.042). ... The difference in scores was equivalent to about a 10% lower total mark on the Medical College Admission Test.
--Donald Redelmeier and Simon Baxter, Canadian Medical Association Journal, on Asian parental dreams getting derailed by the weather. HT: Freakonomics