Greetings once more: About 3 years ago I did a temp study for my own curiosity in several hives. The purpose was to see how well the colonies dealt with day/night temp fluctuation. Using many probes and readouts that were within +/- half a degree tolerance things were plotted out in Excel One of the things that I did establish is that once the hive was in full gear , regardless of outside temps the inside was maintained at around 34-35 deg. C all the time. I learned a lot about the situation in a hive. Walter -- Visit www.honeybeeworld.com/bee-l for rules, FAQ and other info ---