The WBGT measurements ranged from 83°F to 120°F, with dry bulb air temperatures reaching 134°F and radiant temperatures reaching 188°F. The highest WBGT measurement in the potroom was taken between a T-51 pot and a tapping crucible during tapping. The second-highest WBGT measurement was taken on the center of the catwalk between pots with one side open. This measurement may have underestimated the actual temperature, because the WBGT monitor was not fully equilibrated because the high radiant heat load was starting to melt the monitor’s tripod.