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These one-degree and five-degree quadrangle summaries give the
observation count for an eight-point "wind rose", and means and
standard deviations for: wind speed, pressure, air temperature,
wet-bulb temperature, sea surface temperature, air-sea temperature
difference, and wave height. Also included are light and heavy
superstructure icing potential and frequency of gales. The general
period summarized is 1850 to 1970, but the actual period summarized
varies by ocean basin. These long-term monthly averages were used to
produce the U.S. Navy Marine Climatic Atlas.
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