What does the precipitation probability in the weather forecast mean?

probability refers to the probability that it will rain in a certain area today. The probability of rainfall in the predicted time and area is this number. It can also be understood that the prediction accuracy of a given time and area is this number.

probability is a mathematical term, and its intuitive meaning refers to the possibility of something happening. The forecast published in the form of probability is called probability forecast, which originated in the United States in 1966.

popular understanding: under certain conditions (temperature, air pressure, humidity, etc. ), the probability of precipitation in history is 3%. Knowing the forecast of precipitation probability, we can take measures against the weather that may rain to reduce the inconvenience of life.