Below is a chart and a table that contains historical snowfall data by month as recorded at the Alta Guard station which is now part of the UDOT avalanche snow safety operation. This historical data was first compiled by Montgomery Atwater who was the first snow ranger in Little Cottonwood Canyon. The chart shows snowfall (blue) and water (red) measured in inches from October to May for each winter season.
The charts below show yearly inches of snow and water October-May by month
For a PDF Version of the information click the links below: