Whistler Daily Snowfall (from http://www.mldata.org/repository/data/viewslug/whistler-daily-snowfall/) Historical daily snowfall data in Whistler, BC, Canada over the period July 1 1972 to December 31 2009. Measured at top of Whistler Gondola: Latitude: 50°04'04.000" N Longitude: 122°56'50.000" W Elevation: 1835.00 m Two attributes were selected: X = MeanTemp (deg Celsius) Y = TotalSnow (cm) Common sense tells us that X causes Y (with maybe very small feedback of Y on X). Confounders are present (e.g., day of the year). X-->Y