Wind vane is used to record the?

A wind vane is used to record the direction of the wind. It is a device that consists of a lightweight arrow or similar object that is mounted on a pivot and points in the direction from which the wind is blowing. The wind vane is used to determine the direction of the wind, which is useful in a variety of applications, including weather forecasting, wind energy production, and sailing. By knowing the direction of the wind, people can make informed decisions and take appropriate actions based on the wind conditions.