Variance of body comfort in the past 30 years was analyzed by means of REOF in Shandong province. It is found that the averaged comfort degree in spring, summer, autumn and winter could be divided into 2, 4, 3, 2, 3 subdivisions respectively.

• 采用REOF方法分析了山东省30年全年、各季节的人体舒适度，发现可以将山东省年、春、夏、秋、冬四季的平均舒适度分别划分为2、4、3、2、3个变化区。