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File name:		 08-27
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Title: HEAT INDEX CHART
Caption: This National Weather Service chart is used to calculate the heat index by combining information about air temperature and relative humidity. A similar chart, the Humidex Chart, is used by the Meteorological Service of Canada. (see http://www.msc.ec.gc.ca/ cd/brochures/humidex_table_e.cfm)
Keywords: atmosphere, heat, temperatures, relative humidity, atmospheric moisture