Impacts of Urbanization on Extreme Regional Precipitation Events

Table 5

Statistical indices of extreme precipitation before and after urbanization in the study area.

Statistical index	Rx1h		Rx2h
	1959–1989	1989–2018	1959–1989	1989–2018
Mean	18.38	25.47	24.05	31.82
Variance	8.3	14.04	9.63	19.5
Maximum	35.9	63.2	49.1	92.4