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Heat Restrictions

The MSHSAA Board of Directors approved the Wet Bulb Globe Thermometer (WBGT) as the recommended measurement practice and device for measuring acceptable heat/humidity levels for practices and contests. The use of WBGT is recommended throughout the calendar year when ambient temperature is above 80 degrees. Due to minimally controlled timing, quality and quantity of participation, middle school aged student athletes require different WBGT readings and associated modifications from their high school counterparts.
 
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