Raymond A. Assel

• A computer tutorial and animation of the normal ice cycle of the laurentian Great Lakes of North America for 1960-1979
• A computerized ice concentration data base for the Great Lakes
• Computerized National Weather Service Great Lakes ice reports for winter seasons 1899-1970
• Conditional probability of December and January ice cover at selected Great Lakes shore sites
• Early 20th century Lake Superior basin precipitation estimates
• Great Lakes degree-day and winter severity index update
• Great Lakes degree-day and winter severity index update: 1897-1983
• Great Lakes ice atlas
• Great Lakes ice cover, winter 1971-74
• Great Lakes ice cover, winter 1973-74
• Great lakes monthly and seasonal accumulations of freezing degree-days, winter 1898-2002
• Great Lakes states monthly average temperature data, beginning of record to 1990