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* Normal human body temperature is 36.8 °C ±0.7 °C, or 98.2 °F ±1.3 °F. The commonly given value 98.6 °F is simply the exact conversion of the nineteenth-century German standard of 37 °C. Since it does not list an acceptable range, it could therefore be said to have excess (invalid) precision.
Within two minutes, a heat burst reportedly drove the air temperature from 38 °C (100 °F) to 70 °C (158 °F). [22] [23] 1960: 60 °C (140 °F) Air Kopperl, Texas (United States) A heat burst is claimed to have sent the air temperature to near 140 °F (60 °C), supposedly causing cotton crops to become desiccated and drying out vegetation. [24]
1960s Texas elections (8 C) H. 1960s in Houston (14 P) S. 1960s in sports in Texas (10 C) Pages in category "1960s in Texas" This category contains only the following ...
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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. [27]
A shampoo label from the U.S. that shows a round metric quantity taking secondary status in parentheses next to non-integer U.S. customary quantity. Metrication is the process of introducing the International System of Units, also known as SI units or the metric system, to replace a jurisdiction's traditional measuring units.
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1742 – Anders Celsius, a Swedish astronomer, proposed the Celsius temperature scale which led to the current Celsius scale. [ 39 ] 1743 – Benjamin Franklin is prevented from seeing a lunar eclipse by a hurricane; he decides that cyclones move in a contrary manner to the winds at their periphery.