Great Lakes Environmental Research Laboratory (Continued) 
Summary of Great Lakes Weather and Ice Conditions 
Publication Interval: Annual 
Location: Great Lakes and their immediate vicinity 
Period of Coverage: Winter 1962-1963 to winter 1979-1980 
Former Title: Prior to Winter 1974/75, publications are 
entitled Great Lake Ice Cover, Winter 
19 - 19 
Contents: This series of publication presents the ice information of each 
winter season of the Great Lakes beginning in 1962. Data included are 
freezing degree-day statistics; composite ice charts illustrating the seasonal 
pattern of ice formation, growth, and decay; and/or ice charts illustrating 
synoptic ice conditions. The summaries of meteorological data including 
barometric pressure and air temperature were added to the publication. 
Available From: Information Service 
Great Lakes Environmental Research Laboratory 
National Oceanic and Atmospheric Administration 
US Department of Commerce 
2300 Washtenaw Avenue 
Ann Arbor, MI 48104 
(313) 668-2235, FTS 378-2235 
Additional Information: Earlier publications were prepared by the 
Lake Survey of the US Army Corps of Engineers. 
Later issues were by the Lake Survey Center of 
the National Ocean Survey, NOAA. In 1974, the 
Limnology Division of Lake Survey Center was 
transferred to the Great Lakes Environmental 
Research Laboratory, NOAA. The author(s), 
title, and publication agency for each issue 
are: 
Wilshaw, R., and Rondy, D. R. 1965. "Great 
Lake Ice Cover, Winter 1964-65,'' Research Report 
No. 5-1, US Lake Survey, Corps of Engineers. 
Rondy, D. R. 1966. "Great Lake Ice Cover, 
Winter 1965-66," Basic Data Report 5-2, US Lake 
Survey, Corps of Engineers. 
Rondy, D. R. 1967. "Great Lake Ice Cover, 
Winter 1966-67," Basic Data Report 5-3, US Lake 
Survey, Corps of Engineers. 
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