Weather InstrumentsBy keagan Regner

Evangelista Toricelle is credited with inventing the barometer in 1643.

Gasparo Berti built a water barometer between 1640 and 1643. It measures air pressure.

Barometer

On the Tower of the Winds on the ancient Roman agora in Athens there was a wind vane in about 50 BC.

The weather vane shows the direction of the wind.

Weather Vane

Thermometer

In 1724 Daniel Fahrenheit invented the mercury thermometer.

In 1742 Anders Celsius invented the Celsius thermometer.

A thermometer measures the temperature.

Dr. John Robinson invented the anemometer in 1846. It was a four cup design.

John Patterson developed the three cup version in 1926.

The anemometer measures wind velocity.

Anemomete

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The first records of rainfalls were kept by the ancient Greeks about 500 BC.

The much later cheugugi of Korea was the world's first gauge, other sources say that Jang Yeong-sil developed or refined an existing gauge.

The rain gauge measures the amount of precipitation.

Rain Gauge