Spatiotemporal Characteristics of Winter Wheat Waterlogging in the Middle and Lower Reaches of the Yangtze River, China

Table 3

Number of years with waterlogging events in historical records and estimated by the WPI for the five counties in the study area, respectively.

County	Observed (years)	Estimated (years)	Accuracy (%)
Guanyun	4	5	100.00
Huaian	4	5	100.00
Donghai	7	5	66.67
Feixi	7	6	85.71
Guichi	15	11	73.33