National Weather Service United States Department of Commerce

Snow Across the Great Lakes, Central Appalachians, and Northeast; Unsettled Weather in the West

Light to moderate snow will continue into Saturday over the Great Lakes, Central Appalachians, and Northeast. This weekend into next week, a series of atmospheric rivers will bring gusty winds, periods of heavy rain, and mountain snow to northern California and the Pacific Northwest. Colder temperatures are in store for the weekend from the Great Lakes to East Coast. Read More >

Rochester Snow Depth Climatology
 

One measure of  "winter harshness" is the number of days that snow remains on the ground. The graphs below show the number of days during each snow season that certain snow depths were measured. These depths are for the early morning hours (0700 EST). The year on the bottom axis is the later snow season year.  

***

The average number of days for the past 76 winter seasons are: 

1 inch - 75.9 days       6 inches - 23.2 days     12 inches 5.8 days

ChartObject Number of days - 1 inch or more

ChartObject Number of days - 6 inches or more

ChartObject Number of days - 12 inches or more