General meaning of temperature and precipitation

Temperature: Usually people use the numerical value of atmospheric temperature to reflect the degree of hot and cold of the atmosphere. The temperature of the atmosphere is called air temperature for short. In China, centigrade scale is used, which is expressed in℃ and pronounced as℃. The temperature mentioned in the public weather forecast was measured by a thermometer in a louver with a height of 1.5 m in an observation field covered with turf.

Precipitation: Precipitation is a measure of precipitation in a certain period of time. It is the depth at which liquid and solid (after melting) precipitate falls from the sky to the ground, and there is no evaporation, infiltration and loss in the horizontal plane of unit area (area per square meter). Its unit is millimeters. According to different physical characteristics, precipitation can be divided into liquid precipitation and solid precipitation. Liquid precipitation includes rain, rainstorm, thunderstorm, freezing rain and showers in Mao Mao. Solid precipitation includes snow, hail and graupel, and liquid-solid mixed precipitation such as sleet.