Characteristics of Maximum Temperature Change in Past 50 Years in Hefei
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Abstract:
The variation characteristics of average maximum temperature, the number of high temperature days, and the dates of the first and last days of high temperature occurrence are analyzed with the observational data from 1953 to 2005 in Hefei, based on the moving t test technique, etc. The results indicate that the changes of the average maximum temperature shows an increasingdecreasingincreasing trend, with the abrupt changes taking place in 1968 and 1988. The change of the number of high temperature days shows an increasingdecreasingincreasing trend, without evident abrupt change. High temperature days occurred mainly from May to September, most frequently in July (49.7%) and secondly in August (40.5%). The high temperature duration in Hefei underwent a longshortlong change, with the shortest in the early 1980s.
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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Supported by:Beijing E-Tiller Technology Development Co., Ltd.