In what weather is the highest content of volatile components in mint?

The contents of peppermint oil and menthol are higher in sunny days. If it is a continuous sunny day, put it in a sunny place, the leaves will become thick and drooping, and the leaves will glow with blue light, giving off a unique and rich aroma. At this time, the mosquito repellent effect is best.

Content is the number of components contained in a specific substance.