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Maximum temperature and humidity index from January to December in the capitals of Roraima, Rio Branco, and Manaus, for the period from 1993 to 2020. <72 indicates without stress; 72–78 indicates mild or mild stress; 79–88 indicates moderate stress; 89–98 indicates severe stress (26). JAN, January; FEB, February; MAR, March; APR, April; MAY, May; JUN, June; JUL, July; AGO, August; SET, September; OCT, October; NOV, November; and DEC, December.
