Table 3.

Predicted times to reach thresholds within 250 minutes of exposure while outside.

Temperature (Ta)	Condition	Body Part	Numbness/Dexterity loss (8°C)	Pain (5°C)	Frostbite (<1°C)
5°C	Low protection	Exposed skin	<10 min	<10 min	-
		Hands/Fingers	-	-	-
		Feet/Toes	-	-	-
	High protection	Exposed skin	<10 min	40 min	-
		Hands/Fingers	-	-	-
		Feet/Toes	-	-	-
−8°C	Low protection	Exposed skin	<10 min	<10 min	<10 min
		Hands/Fingers	-	-	-
		Feet/Toes	95 min	-	-
	High protection	Exposed skin	<10 min	<10 min	<10 min
		Hands/Fingers	-	-	-
		Feet/Toes	-	-	-
−20°C	Low protection	Exposed skin	<10 min	<10 min	<10 min
		Hands/Fingers	65 min	-	-
		Feet/Toes	45 min	55 min	75 min
	High protection	Exposed skin	<10 min	<10 min	<10 min
		Hands/Fingers	-	-	-
		Feet/Toes	95 min	130 min	220 min