Figure 3

The relationship between PWV and rainfall from 4 August 2015 to 25 August 2015(four stations).Black line represents PWV value, blue line represents hourly rainfall, and red circle represents PWV variation before several rainfalls.

The relationship between PWV and rainfall from 4 August 2015 to 25 August 2015(four stations).Black line represents PWV value, blue line represents hourly rainfall, and red circle represents PWV variation before several rainfalls.