Bangkok man reports feeling chilly at 79 degrees F

The cool weather continues, average daily temps at Don Muang are about 21-22 degrees C. I've been feeling cold at 26 C (79 F) degrees room interior temp for three days now.

Is my perception abnormal?

I checked by the wonderful ASHRAE thermal comfort calculator at CBE Berkeley this morning and entered my conditions: boxer shorts (clo=.18), relaxed (met=.8), no fan.

Here in this psychometric chart (much more on this important tool later) my environment (blue dot) is much cooler than the yellow comfort zone, the temperature would have to be in the low nineties for me to be happy, according to ASHRAE standards. Conversely, we can say that most people dressed as lightly as I am, will be most comfortable with the temp around 95 F, or 35 C.