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Used to collect the liquid participation collected over a period of time.

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These are used at airports to signifies the direction and strength of the wind.

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This shows the direction of the wind and are usually on top of barns.

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This measures the wind speed and is also used to predict wind speed for the day.

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Measures the relative humidity in the atmosphere by using two thermometers.

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Measures how much water vapor is in the at at certain times.

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A mercury barometer uses mercury and the higher the mercury the more pressure.

An aneroid barometer uses a spring that measures high and low pressure by going up and down.

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This toll measures the temperature of a object gives an accurate reading.