Beijing: This rainfall is the largest in 140 years | rainfall | rainfall
From 20:00 on July 29, 2023 to 07:00 on August 2, 2023, Beijing experienced extreme heavy rainfall. The maximum recorded rainfall during this rainfall process occurred at the Wangjiahuayuan Reservoir in Changping, with a thickness of 744.8 millimeters.
Although there were weather records in ancient China, such as the "Clear Rain Record," they were mainly written records of weather phenomena and their impacts, without accurate data records.
At present, the earliest instrument recorded rainfall in the Beijing area occurred during the rainy weather process from July 23 to 29, 1883, with a recorded value of 510.3 millimeters.
On July 23, 1891, a heavy rainfall process of 609 millimeters was recorded in the Beijing area. This record is the maximum rainfall recorded before this process.
On July 21, 2012, the maximum recorded rainfall in the Beijing area was 541 millimeters.
In summary, the extreme values of this rainfall process have significantly exceeded the rainfall extreme values recorded in the Beijing area, ranking first in the 140 year history of instrument measurement records in the Beijing area.