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Weather Instruments
| Term | Definition |
|---|---|
| thermometer | An instrument used to measure temperature |
| barometer | An instrument that measures atmospheric pressure |
| wind vane | measures wind direction |
| anemometer | An instrument used to measure wind speed |
| rain gauge | An instrument used to measure precipitation. |
| Psychrometer | An instrument used to measure relative humidity and dew point |
| weather balloon | A balloon released into the atmosphere that carries a package of instruments to record data about temperature, air pressure, and humidity. |