Allen asked when were temperature measurements taken.  The two hives were set up in my
backyard in fall just before winter. Nothing elaborate or scientific. Just a nuc size cluster in a 10-
frame box setting on top of a two-deep hive separated by 3/8 inch plywood that served as the top
hive’s bottom board. Also, the hives weren’t wrapped. I looked at the thermometer at different
times though the winter and saw little or no difference.  Sometimes, during the day, the inside
temperature was lower than outside air temperature. The small top hive didn’t survive through
winter although the lower hive did.

Regards,
Dick Allen

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