Beijing has been hit by deadly floods again. Is it unusual?

The rainy season in northern China traditionally arrives in July and August and this year it hit hard – again.
In late July, the capital Beijing and neighbouring Hebei province were battered by heavy rain that left dozens of people dead.
In one case, 31 people died in a nursing home in the northern Beijing district of Miyun in an area that had been considered safe from flooding.
This year’s disaster is the fifth of its kind in the country’s north since 2012. Is the flooding in Beijing unusual… South China Morning Post