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He is known for his measurement of mean normal human body temperature of 37 °C (98.6 °F), now known more accurately to be about 36.8 °C (98.2 °F). [1]
The wet-bulb globe temperature (WBGT) is a measure of environmental heat as it affects humans. Unlike a simple temperature measurement, WBGT accounts for all four major environmental heat factors: air temperature, humidity, radiant heat (from sunlight or sources such as furnaces), and air movement (wind or ventilation). [ 1 ]
WNNS (98.7 MHz) is a commercial FM radio station licensed to Springfield, Illinois, and serving the Springfield metropolitan area.The station is currently owned by Long Nine, Inc.
At the normal boiling point of a liquid, the vapor pressure is equal to the standard atmospheric pressure defined as 1 atmosphere, [1] 760 Torr, 101.325 kPa, or 14.69595 psi. For example, at any given temperature, methyl chloride has the highest vapor pressure of any of the liquids in the chart.
The "68–95–99.7 rule" is often used to quickly get a rough probability estimate of something, given its standard deviation, if the population is assumed to be normal. It is also used as a simple test for outliers if the population is assumed normal, and as a normality test if the population is potentially not normal.
The highest temperature ever measured in Texas was 120 °F (48.9 °C), recorded on August 12, 1936 in Seymour, during the 1936 North American Heatwave, and again on June 28, 1994 in Monahans. The lowest temperature ever measured in Texas was −23 °F (−30.6 °C), recorded on February 8, 1933 in Seminole .
The temperature difference is greatest in the winter and the least in the summer. All parts of the state have recorded temperatures below 0 degrees and in excess of 100 degrees. The average number of freeze free days ranges from 163 days in the highlands to 217 along the coast. [ 4 ]
The daily normal low remains at or above 80 °F (27 °C) for an average of 74 days per summer. [113] On July 19, 2023, at the height of an unprecedent heatwave that caused daily highs to top 110 °F (43 °C) or higher that lasted for 31 days straight, Phoenix set its record for the warmest daily low temperature, at 97 °F (36 °C). [113]