28.9°, SN, 7.2" total.
Might end up with a few more tenths on the board, but I ain't checking till tomorrow.
Hopefully those harsh December morning sun angles won't spoil any measurements.
Thanks! Yeah, I originally intended to have them fixed in place, but then I realized I could avoid adding gable vents by just having the the cupola windows open instead. I'm on the lookout for an antique bell to hang in there. My plan is to rig something up to get it to ring on the hour.