| Term | Definition |
|---|---|
| Weathervane/Windvane | A device that is usually attached to a roof, used for telling the direction of the wind – most of the time, it is shaped like a rooster. |
| Anemometer | An instrument for measuring wind speed. |
| Barometer | An instrument for measuring air pressure. |
| Hygrometer | An instrument for measuring humidity. |
| Thermometer | An instrument for measuring air temperature. |
| Rain Gauge | An instrument used to gather and measure the amount of liquid precipitation over a set period of time. |
