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July 24, 1996

Heat-Wave—Related Mortality—Milwaukee, Wisconsin, July 1995

JAMA. 1996;276(4):275. doi:10.1001/jama.1996.03540040019010

DURING JULY 12-15, 1995, a heat wave* occurred in major portions of the midwestern and eastern United States. Record-high temperatures were recorded at approximately 70 locations, ranging from the central and northern Great Plains to the Atlantic coast1 and caused substantial numbers of heat-related illnesses and deaths in some locations.2 In Milwaukee, Wisconsin (1994 estimated population: 938 112), maximum daily temperatures ranged from 91 F (32.7 C) to 103 F (39.5 C), and average daily humidity was as high as 70%. This report summarizes the investigation by the Milwaukee County Medical Examiner's Office (MCMEO) and the Milwaukee Department of Health and Social Services of heat-related deaths in Milwaukee during the heat wave and presents four case reports.

Investigation of Deaths  During July 13-23, MCMEO received reports of and investigated 197 deaths. Of these, 91 (46%) were determined to be related to the heat wave. Deaths were