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A Summary of Weather Observed at Crete and Summit Stations, Greenland, June 1974.
COLD REGIONS RESEARCH AND ENGINEERING LAB HANOVER N H
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Daily observations of air temperature, atmospheric pressure, wind speed and direction were made at Crete Station on the Greeland ice sheet from 5 to 24 June 1974. The average air temperature during this period was -16.6C2.1F, and ranged from a minimum of -30C-22F to a maximum of -6C21.2F. The wind speed averaged 7.6 knots and was predominatly from the north. Extended periods of clear or partly cloudy weather were observed, although ground fog and reduced surface visibility occurred simultaneously. During passages of low pressure troughs, light snow, blowing snow and a whiteout were observed at these times visibility became quite limited. At Summit Station the minimum air temperature observed between 7 and 14 June 1974 was -27C-16.6F and the maximum was -13C 8.6F. These observations, however, were not made during the coldest or warmest part of the day, so the true extremes were probably greater than these. During passage of a low pressure trough at both stations, the pressure at Crete Station dropped 9 mb over a 45-hour period, and that at Summit Station dropped 6 mb over a 37-hour period.
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