Heat stress increases with increases in air temperature, but be aware that there are no clear demarcations in risk between temperature ranges. However, at relative humidity levels above 50%, stress increases markedly.

Assuming the relative humidity is above 50%, the following ranges will dictate appropriate actions:

80-91.0 degrees Fahrenheit:

This range is considered "Limited Intensity"

Accommodations: increase the number of water breaks

91.1 degrees Fahrenheit:

Postponement or cancellation of outdoor activities will occur.