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Old 11-13-2009, 05:02 PM   #18
Kamper
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Quote:
Originally Posted by gtxrider View Post
... How long can a person survive in 40 degree water?
http://www.seagrant.umn.edu/coastal_...es/hypothermia

Cold Water Temperatures Decrease Time Before Exhaustion and Decrease Survial Time

Water................Epected Time Before Exhaustion...Expected Time
Temperature (F)..or Unconsciousness....................Survival

32.5°............... < 15 minutes............................ 45 minutes
32.5° – 40°....... 15 – 30 minutes....................... 30 – 90 minutes
40° – 50° .......... 30 – 60 minutes .................... . 1 – 3 hours
50° – 60° .......... 1 – 2 hours ........................... . 1 – 6 hours
60° – 70° .......... 2 – 7 hours ............................. 2 – 40 hours
70° – 80°........... 3 – 12 hours............................ 3 hours – indefinite
> 80°................ indefinite................................. indefinite

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You forgot one. Motorcyclists wear helmets to make it easier to pick up their heads.
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