Attributes . Air Temperature: 32 to 122°F (0 to 50°C); Black Globe: 32 to 176°F (0 to 80°C); WBGT (Indoor): 59 to 138.2°F (15 to 59°C); WBGT (Outdoor): 59 to 132.8°F (15 to 56°C)Ω . Names