Although the Qing Dynasty left a lot of historical data, such as "precipitation record", "snow measured", "single grain" and so on, but there is still not able to combine these factors.

This paper USES satellite records of sea level rise, precipitation and evaporation to put together a unique 13-year record - the longest and first of its kind.

In July 21st, Beijing heavy rain to heavy rain weather, the average rainfall of 170mm, since 1951has complete meteorological record the maximum precipitation.