It all depends on where the lake is located at. Lakes in colder climates will have a colder normal temperature than that of lakes in warmer climates.
About 1000 degrees, Celsius.
As of may 2014, the water temperature of Mirror Lake, in Lake Placid, New York, is 58 degrees. The normal temperature for this time a year is 65 degrees.
0 degree celsius
It is -4668
Depends on the outside temperature
The number of fish in the lake
Evaporation of water occur at any temperature at the surface of a body of water.
2/13/2011 Temperature is 49F.
The temperature was 58 on February 28th when I was out there.
There's no automated direct measurement. However, water is pumped there from Lake Mead so you'll probably be within a few degrees of the Lake Mead temperature.
63
70
High temperature.