What is the approximate annual precipitation in millimeters in the area where No. 1 Middle School in Lushan District is located?

Lushan District is a municipal district of Jiujiang City, Jiangxi Province. It is close to the center of Jiujiang, bordering the Yangtze River to the north, Poyang Lake to the east, and Mount Lushan, a tourist summer resort, to the south. The total area is 495 square kilometers (548 square kilometers). The total population is 220,000 (2012), with a total population of 860 from 23 ethnic minorities.

The district has jurisdiction over 3 streets, 7 towns, and 1 township: Shili Street, Wuli Street, Qilihu Street, Gutang Town, Weijia Town, Xingang Town, Lianhua Town, and Haihui Town , Saiyang Town, Guling Town, Yujiahe Township, there are 57 neighborhood committees and 64 administrative villages. Among them, Qilihu Subdistrict is managed by Jiujiang Economic and Technological Development Zone.

Lushan District is bordered by Poyang Lake to the east and the Yangtze River to the north, with a 66-kilometer waterfront. It has a humid subtropical climate, with an average annual temperature of 17.1°C and an average annual precipitation of 1412.4 mm. The frost-free period is 262.9 days. There is Jiujiang Yangtze River Terminal in the north, Jiujiang Lushan Airport in the west, Beijing-Kowloon, Wuhan-Jiujiu, Jiuhe and other railways; Changjiu Expressway, Jingjiu Expressway, 105 National Highway and other expressways pass through it.

Famous scenic spots include Lushan Mountain, Bailu Cave, one of the four major academies in the Song Dynasty, the primitive Bilongtan, Donglin Temple and Xilin Temple, the ancestral hall of the Pure Land Sect, Tiefo Temple, Shimen Stream, and the Quaternary Glacier Site , Poyang Lake Migratory Bird Sanctuary, etc. The eminent monk Huiyuan of the Eastern Jin Dynasty established the Lotus Society here and founded the Pure Land Lotus Sect of Buddhism. Zhou Dunyi, the founder of Neo-Confucianism in the Song and Ming dynasties, was buried here.