Dick,
There is more than a "doubt" in what you say. You and I have both
experienced this over and over. In my case I have seen this pattern for
around 25 years of keeping bees here, and several years before that.

>In winter here in the south-central region of Alaska our sky is largely
>overcast. The insulating cloud layer sometimes helps to give us a bit
>milder range of temperatures than other northern areas. On those days when
>the sun is shining brightly, and  the sky has cleared losing it’s cloud
>blanket, outside air temperatures frequently drop a great deal.  I doubt
>the fall in outside air temperature would likely be compensated for by the
>brief period that sunshine is striking the front of a beekeeper’s hive.
>
Tom Elliott
Chugiak, AK

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