![]() In other words, it is the lowest temperature that can be achieved through evaporative cooling of a surface. On the other hand, the wet bulb temperature, is defined as the temperature of air cooled to saturation by the evaporation of water into it. The dew point calculator uses this formula to provide accurate results for the dew point, given the temperature and relative humidity of the air. Hence, dew point temperature is always less than the air temperature. The formula has an uncertainty of 0.35 ☌ and is valid for temperatures ranging from -45 ☌ to 60 ☌. As recommended by Alduchov and Eskridge, the value of these are: a = 17.625 and b = 243.04 ☌ RH is the relative humidity of the air in percent.T is the temperature in degrees Celsius.Enter the temperature (degrees Celsius) and relative. What is Heat Index Heat index is often referred to as humiture, and is similar to wind chill in its attempt to measure the perceived rather than the actual temperature. Calculate the dew point, vapour pressure and absolute humidity. The formula takes into account the temperature, relative humidity, and Magnus coefficients, which determine the saturation vapor pressure over water. Related Wind Chill Calculator Dew Point Calculator. The Magnus-Tetens formula is used to calculate the dew point in this calculator. Temperature T (°) Dewpoint Td (°) Relative Humidity RH () Values are calculated using the August-Roche-Magnus approximation. 3) Press 'Calculate' to find the missing value. ![]() The dew point is a more accurate measurement of the moisture content in the air compared to relative humidity, which is dependent on temperature and pressure. Calculate Temperature, Dewpoint, or Relative Humidity. The dew point is the temperature below which the water vapor in a sample of air at constant barometric pressure condenses into liquid water at the same rate at which it evaporates.
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