--- On Fri, 12/10/10, 
> If there wasn't substantial heat produced then the humidity wouldn't be
> great enough and the dew point wouldn't be reached with condensation
> formation,

I've posted this before, but in the time before varroa, I had hives north of Indianapolis, Indiana.  I wintered over in two hive bodies with solid bottom boards (screened bottom boards weren't in vogue then), and placed one inch square wooden blocks at the four corners of the inside hive cover and then place the outer cover on top of that.  I used entrance reducers.  I believe the resultant flow of air prevented the accumulation of condensation and humidity problems.  In the five years I did this, with about six hives, I never lost a hive over the winter.  They were on a concrete pad on the west side of a barn with open crop fields to the west of that.   For whatever this is worth.

Mike in LA\


      

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