temperature-humidity index


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temperature-humidity index:

see humidityhumidity,
moisture content of the atmosphere, a primary element of climate. Humidity measurements include absolute humidity, the mass of water vapor per unit volume of natural air; relative humidity (usually meant when the term humidity
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temperature-humidity index

[′tem·prə·chər hyü′mid·ədē ‚in‚deks]
(meteorology)
An index which gives a numerical value, in the general range of 70-80, reflecting outdoor atmospheric conditions of temperature and humidity as a measure of comfort (or discomfort) during the warm season of the year; equal to 15 plus 0.4 times the sum of the dry-bulb and wet-bulb temperatures in degrees Fahrenheit. Also known as comfort index; discomfort index. Abbreviated CI; DI; THI.
References in periodicals archive ?
Means of the climatic variables air temperature (Tair), relative humidity (RH) and temperature-humidity index (THI) as a function of the period Period Variables Tair ([degrees]C) RH (%) THI Morning 24.
Seasonal pattern of mortality and relationships between mortality and temperature-humidity index in dairy cows.
Effect of the temperature-humidity Index on body temperature and conception rate of lactating dairy cows in southwestern Japan.
Seasonal temperature, relative humidity, and temperature-humidity index (THI) values for 8 years (2006 through 2013) in South Korea Item Spring Summer Autumn Temperature ([degrees]C) Mean 11.

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