Table 5 Frequency distributions of precipitation events in different precipitation classes from Gauge_O and Gauge_C.

From: The evaluation of IMERG and ERA5-Land daily precipitation over China with considering the influence of gauge data bias

Gauge precipitation

No

Light

Moderate

Heavy

Extreme

Total

Gauge_O

2,480,129

844,130

155,678

60,226

23,667

3,563,830

Gauge_C

2,179,141

1,123,306

165,854

66,994

28,535

3,563,830

∆Gauge

 − 300,988

279,176

10,176

6768

4868

0

  1. ∆Gauge denotes the frequency change for gauge-observed precipitation events after bias correction, which is calculated by frequency distribution from Gauge_C minus that from Gauge_O.
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