With that much frost at that temp, one might presume you have single glaze
windows and no storms?
I thought to do something similar as we have such an ornament in a transom
window off the kitchen. It was all frosted up, which is unusual even with the
temp at -1.8 deg F.
The painting crew had broken a couple low E storms that were eventually
remedied but now apparently a third that they did not tell us about nor
Themed Olympus Photo Exhibition: http://www.tope.nl/