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Subsequently, that mean was widely quoted as "37 °C or 98.4 °F" [41] [42] until editors realized 37 °C is equal to 98.6 °F, not 98.4 °F. The 37 °C value was set by German physician Carl Reinhold August Wunderlich in his 1868 book, [ 43 ] which put temperature charts into widespread clinical use. [ 44 ]
formula scale type range of x range on scale numerical range (approx) Increase / decrease [note 6] comment C: x: fundamental scale: 1 to 10: 1 to 10: 1 to 10: increase: On slider D: x: fundamental scale used with C: 1 to 10: 1 to 10: 1 to 10: increase: On body A: x 2: square: 1 to 10: 1 to 100: 1 to 100: increase: On body. Two log cycles at ...
The all-time record low is 3 °C (37.4 °F), and the all-time record high is 44 °C (111.2 °F) on 13 March 2021. [14] The hottest temperatures have been recorded in springtime and autumn, rather than the summer months, due to violent berg (foehn) winds.
Hyperpyrexia is an extreme elevation of body temperature which, depending upon the source, is classified as a core body temperature greater than or equal to 40 or 41 °C (104 or 106 °F); the range of hyperpyrexia includes cases considered severe (≥ 40 °C) and extreme (≥ 42 °C).
Illuminance is measured using a flat sensor; if the common value of C = 250 (unit: lux s ISO=lm s/m 2 ISO) is used, an EV of zero (e.g., an aperture of f /1 and a shutter time of 1 sec) for ISO = 100 corresponds to an illuminance of 2.5 lux (0.23 fc). At EV = 15 (the "sunny sixteen" amount of light) the illuminance is 82,000 lux (7600 fc). For ...
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.
Canada's annual average temperature over land has warmed by 1.7 °C (3.1 °F), with changes ranging from 1.1 to 2.3 °C (2.0 to 4.1 °F) in various regions, since 1948. [4] The rate of warming has been higher across the North and in the Prairies. [ 4 ]
Christopher C. Burt, a weather historian writing for Weather Underground, believes that the 1913 Death Valley reading is "a myth", and is at least 2.2 or 2.8 °C (4 or 5 °F) too high. [13] Burt proposes that the highest reliably recorded temperature on Earth could still be at Death Valley, but is instead 54.0 °C (129.2 °F) recorded on 30 ...