通过对依安县气象站1961—2010年气温资料进行统计分析。得出依安县的年平均气温呈上升趋势（0．45℃／10a），四季气温也呈上升趋势，尤其是冬季变暖最明显（0．58℃／10a）；年平均最低气温的上升趋势（0．73℃／10a）远大于年平均最高气温的上升趋势（0．22℃／10a）。以20世纪80年代末为界分为冷暖两个阶段，前为冷期，后为暖期。%analyzing the atmospheric temperature data of Yian from 1961-2010,it found that the annual average atmospheric temperature is rising(0.45℃/10 a)and the seasonal temperature is rising too, especially in winter (0.575 %/10 a).The upward trend of the average annual minimum temperature (0.727℃/10 a) is more than that of the average annual maximum temperature (0.222 ℃/10 a). it is divided into two stages of the cold and warm with the end of 1980s as the boundary, the before is cold period, the after is warm period.
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