ATUjournals.atu.ac.ir/article_6895_cc56ae834b0b5618f... · or less than 8 degree centigrade. Annual...
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ATUjournals.atu.ac.ir/article_6895_cc56ae834b0b5618f... · or less than 8 degree centigrade. Annual number of skiable days for each station was determined. This is followed by determination