National Weather Service United States Department of Commerce

Heavy Rain in the Southern Appalachians; Heat Continues in the West; Monitoring Tropical Storm Erin

Heavy to excessive rain falling over the southern Appalachians may bring areas of flooding into Wednesday. Hot temperatures are in place through Wednesday across parts of the western U.S. and New England. Tropical Storm Erin is forecast to become a Hurricane by late this week as it moves westward across the central Atlantic Ocean. Monitor forecasts for any Puerto Rico or U.S. East Coast impacts. 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.  

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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