What are the "rain prefixes" of the weather?

Most Chinese characters prefixed with "rain" are related to the weather.

Multi-input method (multi-Chinese character and graphic symbol input method) can input all (nearly a thousand) Chinese characters with rain prefix in the international standard universal code. Here are just some examples of Chinese characters that can be displayed on this web page.

The first-class Chinese characters in the general specification are:

Snow, fog, thunder, fog, hail, earthquake, cloud, mildew, fire, frost, haze, dew and rain.

In the GBK character set, there are:

⑥, ⑥, ⑥, ⑥, ⑥, ⑥, ⑥, ⑥, ⑥, ⑥, ⑥, ⑥, ⑥, ⑥.