Assuming that you mean temperature (and not temputure - whatever that may be), it is measured using a thermometer which is placed at a height of 1.25 to 2 metres above ground level in a well-ventilated, white box called a Stevenson screen. A Stevenson screen will usually also contain other meteorological instruments to measure humidity, dew point and air pressure.
Details for the setup are defined by the World Meteorological Organization (WMO).
Incidentally, the box is named after a British Civil Engineer, Thomas Stevenson, who was father of the author, Robert Louis Stevenson.
as close to the air temperature outside. then no cooling or heating of air has to take place
Evaporation depends on the following factors - the temperature of the water at the air-water surface. The humidity of the air. The area of the air-water surface. The temperature of the air.
The short answer is that aircraft performance (take off/landing distance, climb capability, engine power ...) depends on air temperature.
Weather forecasters speak of humidity as a comparison of the amount of moisture compared to the air temperature.
The air temperature sensor works regardless of your location. It does take a fraction of a minute to calibrate, however.
It all depends on the temperature of the air that it is in contact with, the air has to be at least 0 degrees Celsius so you cannot work out how quickly it will freeze without knowing the air temperature ;)
The water temperature can be different from the air temperature.
Air temperature greatly affects water temperature. When the sun is strong, it increases the temperature of the air and water. On the other hand, when the sun is less intense, the temperature of the air and water decreases.
The air temperature of the air is cold when it rains and the cloud temperature is cold when it rains
OF COURS NOT!it wud take that the temperature is -90c for it to freaze
it takes about 7 to 14 days, depending on the air temperature
sleep properly and do the work properly