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Table 3. Total Cloud Amount. ------------------------------------------------------------------------------- Radio Code on transmission observation code figures Proportion of sky covered (in tenths) form =============================================================================== 0 0 0 1 Less than 0.1 * 2 0.1 1 3 0.2 to 0.3 2,3 4 0.4 to 0.6 4,5,6 5 0.7 to 0.8 7,8 6 0.9 9 7 More than 0.9 but with openings * 8 Sky completely covered with clouds 10 9 Sky obscured by fog, dust storm, or other phenomenon * ------------------------------------------------------------------------------- * No corresponding code. ----------
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