Kentucky Lake / Lake Barkley Normal Water Temperatures

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Normal Water Temperatures

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Below is a chart showing normal water temperatures of Kentucky & Barkley Lakes:

Time Period	Water Temp	Time Period	Water Temp
January	40-45°	Late July	84-86°
Late February	45-50°	Early August	84-86°
Early March	50-52°	Mid August	84-86°
Mid March	52-55°	Late August	84-86°
Late March	55-58°	Early September	84-86°
Early April	58-62°	Mid September	80-84°
Mid April	62-65°	Late September	72-80°
Late April	65-68°	Early October	68-72°
Early May	68-72°	Mid October	65-68°
Mid May	72-75°	Late October	62-68°
Late May	75-78°	Early November	58-62°
Early June	78-80°	Mid November	55-58°
Mid June	80-82°	Late November	52-55°
Late June	82-84°	Early December	50-52°
Early July	84-86°	Mid December	48-50°
Mid July	84-86°	Late December	45-48°

Hypothermia Chart
If the Water Temp. (F) is:	Exhaustion or Unconsciousness	Expected Time of Survival is:
32.5°	Under 15 min.	Under 15 - 45 min.
32.5 - 40°	15 - 30 min.	30 - 90 min
40 - 50°	30 - 60 min.	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 - Indefinite
Over 80°	Indefinite	Indefinite

Hypothermia Chart Courtesy:
http://www.boatsafe.com/nauticalknowhow/hypothermia.htm

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