Thought I'd share my response to this off-list comment that hits
the nail on the head.
---
Hi,

Exactly.  In fact it is not the temperatures when actually working
the bees, but the temperatures that may occur that night or in
the following days before the bees adapt to the manipulations.

If the bees are manipulated late on a warm day and the night
turns out to be frosty and windy, imagine the harm that can be
done.

> hi allen enjoy reading your  diary, just reading your information on
 > early supering, just wondering if temperature would be the main
 > factor when working hives. Many articles talk about spring and fall
 > seasons but with the varied climate in our country i wish people
 > would add "with temperatures in the...." . this would help newer bee
 > keepers like myself. In Nova Scotia we have a milder, damp spring
 > that lasts for months, our falls are long as well but much nicer than
 > spring. this winter has been a roller coaster -18 today and calling
 > for plus 6 and rain in two days. wonder how the bees do it.

---
Allen Dick
Swalwell, Alberta, Canada
51°33'37.58"N  113°18'54.24"W
40 years beekeeping
Current count: 89 hives


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