Thunderstorms are frequent this week. What do you mean by moderate rain?

Thunderstorms are frequent this week, and moderate rain means that there are more thunderstorms this week and the rainfall reaches moderate rain.

Moderate rain, meteorological terms, common weather, precipitation within 24 hours10 ~ 24.9 mm; 12 hour precipitation 5~ 15 mm; /kloc-rain with precipitation of 2.6~8 mm within 0/hour. Rain falls like a line, and raindrops are not easy to distinguish; Fall heavily and splash; Water accumulated in depression is faster; There is rustling rain on the roof; Moderate rain is a rainfall process in which the precipitation reaches 5 ~10 ~ 25mm within 12 hours or10 ~ 25mm within 24 hours.