the name change and its reversal, Lixia District had been known officially as "Hongwei", Tianqiao as "Face the Sun", Huaiyin as "East Wind", and Shizhong as "Red Flag". As the Cultural Revolution came to an end, Jinan started to receive visitors from abroad. For example, it was visited by a delegation from the United States Congress between August 8 and 11, 1975. On September 18, 1976, Mao's death was mourned by about 600,000 people at an official service in Jinan's August 1 Square. Post 1990s Jinan was the host of the 11th All China Games during October 2009. These games are the selection games for the Chinese Olympic champions. For this occasion, security was heightened and a full volunteer force was out on the streets directing visitor traffic. The city conducted major renovations in its transportation and recreation services in anticipation of the Games' visitors. In early January 2019, the State Council of the People's Republic of China approved the approval of Shandong Province to adjust the administrative division of Laiwu City and Jinan City, cancel Laiwu City, and all jurisdiction of former Laiwu City belongs to Jinan City; establish Laiwu District of Jinan City to replace the former Laicheng District of Laiwu City with the same administrative area; establish Gangcheng District of Jinan City to replace the former Gangcheng District of Laiwu City with the same administrative area. Climate Jinan has a humid subtropical climate (Köppen: Cwa), considering a normal isotherm of −3 °C, or a humid continental climate (Köppen: Dwa), considering an isotherm of 0 °C but favoring the former, with four well-defined seasons. The city is dry and nearly rainless in spring, hot and rainy in summer, crisp in autumn and dry and cold (with little snow) in winter. The average annual temperature is , and the annual precipitation is around slightly above , with a strong summer maximum, and high variability from year to year. January is the coldest and driest month, with a mean temperature of and of equivalent rainfall. July is the hottest and wettest month, the corresponding numbers are , and . With monthly percent possible sunshine ranging from 48 percent in July to 63 percent in May, the city receives 2,547 hours of bright sunshine annually. Due to the mountains to the south of the city, temperature inversions are common, occurring on about 200 days per year. The high precipitation for northern