Wet Bulb Globe Temperatures (WBGT), most recent 15 minute observations [NOT UPDATED DURING THE COOL SEASON]

WBGT at TA-6 (Main) meteorological tower: 53.0 F

• 13:00 PM MST October 01, 2026
• Air temperature (dry bulb): 60.5 F
• Relative humidity: 47.5 %
• Wind speed: 17.9 mph

WBGT at TA-54 (White Rock) meteorological tower: 53.1 F

• 12:45 PM MST October 01, 2026
• Air temperature (dry bulb): 60.7 F
• Relative humidity: 46.6 %
• Wind speed: 19.4 mph

NOTE: Use the WBGT measurement nearest to the location where the work is taking place.

If WBGT is > 85 F, reach out to your local Industrial Hygienist for a heat stress assessment.

A Heat Stress Screening Protection Plan is required.