Instruments
Measures the temperature
Thermometer
Movement of air in the atmosphere
Study of the climate and its changes over a long time
Climatology
Measures atmospheric pressure
Barometer
Water that falls to the surface of the earth
Precipitation
Measures humidity
Hydrometer
Number of clouds
Cloudiness
Distance above sea level
Altitude
Measures the direction of the wind
Weather vane
Amount of evaporated water in the atmosphere
Humidity
Distance between any point on Earth and the ecuator
Latitude
Measures the velocity of the wind
Amount of energy in the atmosphere
Temperature
Features of the Earth's crust that affect the climate
Landforms