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Colder By The Lake? The Lake Effect On Static Air Temperatures In Duluth, Minnesota 1961-1990, Graham A. Tobin, Gordon L. Levine, Jacqueline H. Alexander

Journal of the Minnesota Academy of Science

To test the impact of Lake Superior on local climates, daily temperature data were collected from two weather stations in Duluth, Minnesota for the period 1961 through 1990. The broad goal of the research was to ascertain to what extent climate conditions differed between lakeside and inland locations. Temperature data were standardized to local lake-level to control for altitudinal differences between weather stations. These data were then analyzed at two temporal scales, annual and seasonal, with the focus on mean high and mean low temperatures. Results indicated that the moderating effect of the lake indeed was apparent especially in raising …