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Great Lakes Surface Ice Reports from U.S. Coast Guard, Version 1
Entry ID: G00805_1

Abstract: Data consist of ice observations from U.S. Coast Guard vessels operating on the Great Lakes and from Coast Guard shore stations reported via teletype messages and ice logging forms. Observations include ice thickness and concentration, weather conditions, and ice breaking activity. Data from 1961/1962 through 1966/1967 have been processed to a standard format and sorted by year and stations, and are available via FTP as ASCII files, one for each of the five lakes.

Purpose: Scientific Research
Related URL
Description: Direct download, with optional registration page.
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Geographic Coverage
Spatial coordinates   
  N: 49.0   S: 41.0   E: -76.0   W: -93.0

Data Set Citation
Dataset Title: Great Lakes Surface Ice Reports from U.S. Coast Guard, Version 1
Dataset Publisher: National Snow and Ice Data Center
Version: 1
Dataset DOI: 10.7265/N5BG2KW2
Temporal Coverage
Start Date: 1961-11-10
Stop Date: 2004-12-31
Data Set Progress
Data Center
National Snow and Ice Data Center Supplemental Info
Data Center URL:

Data Center Personnel
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Phone: 1 303 492 6199
Email: nsidc at
Contact Address:
449 UCB
City: Boulder
Province or State: CO
Postal Code: 80309-0449
Country: USA
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Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 1995-01-01
Last DIF Revision Date: 2019-04-16