On Thursday, May 24, 2018 at 5:34:44 PM UTC-4, Bob Kuykendall wrote:
I remember watching Les Sebald clean a glass instrument lens out of the cockpit of a Grob. He was blowing the static system out with compressed air, and forgot to disconnect one of the instruments. Oopsie.

I doubt that there is much chance of harm from pressure changes while the static ports are taped over.

Some instruments, like Sage variometers are highly likely to be damaged by the pressure pulse of pulling tape off after a big pressure change. I know from experience.
One can tape statics so the top is protected from moisture while leaving a small "wrinkle" below that will allow breathing.
FWIW
UH