Meteorological instrumentation rain gauge. In 1714, Gabriel Fahrenheit creates a reliable scale for measuring temperature with a mercury-type thermometer. In 1742, Anders Celsius, a Swedish astronomer, proposed the 'centigrade' temperature scale, the predecessor of the current Celsius scale. In 1783, the first hair hygrometer is demonstrated by Horace-Bénédict de Saussure. In 1806, Francis Beaufort introduced his system for classifying wind speeds. The April 1960 launch of the first successful weather satellite, TIROS-1, marked the beginning of the age where weather information became available globally. This was also used to measure the temperature of the surrounding air. A thermometer measures air temperature, or
Anders Grøndal Anders Grøndal Anders Grøndal (born 4 March 1984) is a Norwegian rally and hill climb driver. His co-driver is Trond Svendsen. He has so far won: 5 Norwegian championship gold, 3 Norwegian championship silver, 2 Norwegian championship bronze Anders Grøndal is the third generation rally driver in his family. He grew up with motorsport. His grandfather Nils Fredrik Grøndal and father Stein Grøndal were active rally and rally cross drivers. His uncle Knut Fredrik Grøndal was also a Norwegian hill climb champion. In 2002 Anders and the team visited former works driver John Hauglands Rally School to see what the