Three variables anb 33 years monthly data was chosen to analyse the association befween monthly mean temperature, monthly precipitation of 19 observatory stations covering the middle-lower reaches of Changjiang river and Eurasian 500Pa monthly height.

• 分析所取的变量包括长江中下游地区19个站的月平均气温,降水量以及欧亚500hPa月平均高度,本文用33年的资料系统地分析了三者之间的关系,得到了一些有意义的结果。