How to use the engineering barometer? Specifically, how to mark the weather of the day.

The daily column of the site barometer contains * * * three spaces, representing morning, afternoon and evening respectively.

Don't paint any color on sunny days (usually sunny days are more)

Cloudy black

Small black dots represent light rain.

Heavy rain (typhoon) draws black diagonal lines.

It is red on snowy days.

Pay attention to the meaning of the colors under the table.