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On the empirical temperature scales that are not referenced to absolute zero, a negative temperature is one below the zero point of the scale used. For example, dry ice has a sublimation temperature of −78.5 °C which is equivalent to −109.3 °F. [97] On the absolute Kelvin scale this temperature is 194.6 K.
The highest & lowest ever temperature recorded at Palam are 48.4 °C (119.1 °F) on 26 May 1998 & −2.2 °C (28.0 °F) on 11 January 1967. The highest & lowest ever temperature recorded at Ayanagar are 47.6 °C (117.7 °F) on 28 May 2024 & −1.3 °C (29.7 °F) on 22 January 1977.
This is a list of countries and sovereign states by temperature. Average yearly temperature is calculated by averaging the minimum and maximum daily temperatures in the country, averaged for the years 1991 – 2020, from World Bank Group , derived from raw gridded climatologies from the Climatic Research Unit .
This convention means that temperature and energy quantities have the same dimensions. [51] [52] In particular, the SI unit kelvin becomes superfluous, being defined in terms of joules as 1 K = 1.380 649 × 10 −23 J. [53] With this convention, temperature is always given in units of energy, and the kelvin unit is not explicitly needed in ...
The first four digits (1017) indicate the temperature. The first digit (1) designates above or below zero Celsius (0=above zero 1=below zero). The next three digits in the group "017" give the temperature in degrees and tenths of a degree Celsius, −1.7 °C (28.9 °F). The last four digits "1017" indicate the dew point, −1.7 °C (28.9 °F).
Weather is the state of the atmosphere, describing for example the degree to which it is hot or cold, wet or dry, calm or stormy, clear or cloudy. [1] On Earth, most weather phenomena occur in the lowest layer of the planet's atmosphere, the troposphere, [2] [3] just below the stratosphere.
In contrast, ambient temperature is the actual temperature, as measured by a thermometer, of the air (or other medium and surroundings) in any particular place. The ambient temperature (e.g. an unheated room in winter) may be very different from an ideal room temperature .
Dca is used where the warmest month has a mean temperature of 22.2 °C (72.0 °F) or higher, and Dcb is used for cool-summer temperate climates, where the warmest month has a mean temperature below 22.2 °C. Most of Europe north of the 44th parallel exhibits a Do or Dc climate type.