How many days will this heavy rain last?

Some rainstorm data:

From 9: 00 pm on September 17 to early morning on June 18, a sudden rainstorm occurred in some areas at the foot of Fanjing Mountain in Tongren, Jiangxi Province, causing flash floods and soaring rivers. The average rainfall of this rainstorm is 25 1mm, and the rainfalls in Huang Mu and Xinye are 196.7mm and 107.6mm respectively. The maximum flow of the flood reaches 660 cubic meters per second, far exceeding the warning water level, which is a major flood in the local area since 1964. According to preliminary statistics, the flood caused 24 slopes in the section from Wuluo Town, Songtao, 304 Provincial Highway to Huang Mu, Yinjiang River to collapse, and the amount of collapse exceeded1.2000 cubic meters. 40 subgrade collapses; 15000m2 road surface was washed away; * * * caused economic losses of more than 3 million yuan.

On September 18, a rare rainstorm hit Songtao County, Guizhou Province, causing natural disasters such as flash floods and landslides, with a rainfall of 220 mm.

From the night of 16 to the night of 17, a regional rainstorm occurred in our city due to the joint influence of high altitude trough and cold air on the ground. according to

According to the statistics from 20: 00 June 16 to 20: 00 June/7, there were heavy rains in 23 townships and 4 townships in Yazhou City, Sichuan Province. The maximum rainfall point is at Baishi River in Yingjing, with a total rainfall of 73.9 mm in 24 hours.

From the night of September 16 to June 18, a regional rainstorm weather process occurred in Sichuan Basin, with heavy rain or torrential rain in Bazhong City, heavy rain or extremely heavy rain in most cities such as Mianyang, Suining, Guangyuan, Nanchong and Dazhou, and parts of Chengdu, Deyang, Ziyang and Guang 'an. There are 30 counties (cities) in this rainfall process.

According to the statistics of the province's encrypted rainfall station from 20: 00 on 16 to 08: 00 on 19, there are 62 towns with rainfall greater than 250 mm, 220 towns with rainfall between 100 ~ 250 mm, and 328 towns with rainfall between 50 ~ 100 mm.

12 Since September, there has been continuous rainfall in the upper reaches of Bahe River (Bazhong, Tongjiang, Pyeongchang and Nanjiang), especially after the night of September 16, there was heavy rain in Dazhou and some areas. Rainfall has increased significantly and floods have risen sharply. According to the weather forecast, there are heavy rains in Bazhong and Dazhou, and the local area can reach 100 mm or more.

From the night of September 16 to June 18, heavy rain fell in Bazhong, with the maximum rainfall of 393.6 mm in some places, which led to the continuous rise of river water level and caused geological disasters such as floods and mudslides in some places.