Good Thought Bill,
        The metabolism moisture may be too much for the interior of the hive
and explain the summer porchsitters remaining even at night. That would
also help support George Imrie's use of the 5 supers (vice 1 or 2) as
the increased surface area and chimney effect would help to evap. in his
fairly humid environment. We perhaps should be examining humidity
control assistance and not heat assistance.

Thom Bradley
Chesapeake, VA

Bill Truesdell wrote:
>
> My bet is it is moisture which
> leads to high temps that cause clustering. Keep the moisture down
> and you keep the temp down. May also answer the question of why
> temp control equipment for hives work for some in increased honey
> production and not for others. It provides better moisture
> control.
> Bill T
> Bath, ME