VERY nice data!
For me, running fans in the winter, make me feel colder. This likely the result of enhancing skin evaporation with more dry air and loss of the boundary layer. Yes, you may circulate a couple degrees of "warmer" air from the ceiling, but I have long felt that it is NOT worth it.
Summer seems quite different. Despite the fan now adding hotter air, the air movement cooling effect is far more effective.
For me, I do not use my ceiling fans in winter and do use them in summer.
Steve
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consulting on geothermal heating/cooling & rational energy use since 1990
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