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Historical Snow Survey Information

Airborne Gamma Survey Snow Water Equivalent Archive Map

2019 - 2020 Snow Season Surveys

Name Dates Surveyed States and Provinces
North Central River Basin #1
January 4, 2020 ND, SD, WI, MN
North Central River Basin #2
February 10, 2020 ND, SK
North Central River Basin #3
February 1, 2020 IA, WI, MN
North Central River Basin #4
February 5, 2020 IA, WI, MN
North Central River Basin #5
February 13, 2020 MN
North Central River Basin and Southern Canada
February 14, 2020 ND, SK, MB, SD, IA, WI, MN
Northeast River Basin
February 24, 2020 NY, VY, NH, ME, MA, NB
Lake Superior Basin
March 20, 2020 MN, ON, MI
Southern Canada
March 11, 2020 MB, SK
North Central River Basin
March 15, 2020 ND, WI, MN


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Page last modified: Sep 14, 2023 - cloud
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