中国气象局答21：华西秋雨量破六十年纪录，开始更早、结束更晚

Core Insights - The onset of the Huaxi autumn rain this year began on August 25, which is 8 days earlier than the usual date of September 2. The rainfall is expected to end later than the typical date of November 3 [1] - The average precipitation in the monitored area since the start of the Huaxi autumn rain has reached 352.6 mm, which is 70% more than the historical average for this period, marking the highest level since 1961 [1] - In October, the national average precipitation was 51.5 mm, which is 51.8% more than the historical average, making it the third highest for this period [2] Summary by Sections Huaxi Autumn Rain - The Huaxi autumn rain has recorded an average rainfall of 352.6 mm, significantly exceeding the historical average by 70% [1] - Northern Huaxi region experienced an average rainfall of 405.9 mm, which is 1.4 times more than the usual amount [1] - The central and southern regions recorded an average of 332.2 mm, nearly 50% above the historical average [1] October Rainfall Events - October saw 6 instances of heavy rainfall, with regions such as Shandong, Hebei, Sichuan, and Anhui experiencing severe flooding [2] - The number of rainy days in areas from Huaxi to southern North China and the Huanghuai region reached 12 to 20 days, with some areas in southwestern Shaanxi exceeding 20 days [2] - Soil saturation has resulted in delays in autumn harvesting and planting activities [2] Future Rainfall Expectations - It is anticipated that the intensity of rainfall in the Huaxi region will gradually decrease in early November, although there will still be multiple instances of precipitation [3]