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Measuring Weather

A hand holding a wooden thermometer on a tree lined street.
ALEKSEJ SARIFULIN—GETTY IMAGES

Handy tools help us measure weather. They give us numbers to describe it. Have you seen any of these tools?

Thermometer

This tool (above) measures temperature. The red line goes higher as the temperature gets hotter.

Anemometer

A silver device with three cups attached on a swivel at the top.
SOLO SERGIO—GETTY IMAGES

This tool measures wind speed. Cups catch the wind. They turn a dial. The dial shows wind speed.

Rain Gauge

A glass tube with numbers marked on it attached to a red fence.
JJ GOUIN—GETTY IMAGES

This tool measures rainfall. Rain collects in the gauge. This shows you how much has fallen.

Hygrometer

A round white device with numbers on its face and a red pointer hand
EVGEN PROZHYRKO—GETTY IMAGES

This tool measures humidity. Above 70% feels very wet and humid. Below 40% is fairly dry.