1. a Mathematics and Statistics, University of Winnipeg, Winnipeg MB R3B 2E9.
2. b Statistics and Actuarial Sciences, Simon Fraser University, Burnaby BC V5A 1S6.
3. c Department of Earth Sciences, Simon Fraser University, Burnaby BC V5A 1S6.
4. d Environment Canada, Vancouver BC V6C 3S5.
5. f *Member of CWRA, CSHS.
6. e Statistical and Actuarial Sciences, University of Western Ontario, London ON N6A 3K7.