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Old 01-08-13, 01:02 AM   #1389
AC_Hacker
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Quote:
Originally Posted by randen View Post
... Here in Canada streams can freeze up and at the same time the ground water 6' below is still 50 Deg F. You maybe subjected to large temperature swings with a stream running basically across the ground exposed to the elements. Deep ponds or rivers a different story. There maybe ice on the surface but deeper could be several degrees above the freezing level...
A picture is worth 1000 words...



These are yearly average ground temps.

jlaw is between the 62 and 67 degree lines.

-AC
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Last edited by AC_Hacker; 01-08-13 at 01:05 AM..
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