Eggs/incubator issues..

Ok, here's the issue: I had an interior light failure (stayed on) in one of my glass-fronted wine fridge incubators overnight and over the course of 12 hours, (8 p.m.-8 a.m.)my incubator went from 90-99 degrees. The eggs are candling strong six hours later, but I was wondering from those of you who might have had similar expereinces, if the eggs may still be viable.
Thanks for your help.

I have had a spike in temp in my incubator before and it didn't affect my eggs any. My spike was from 89 up to 95. It wasn't as bad as yours but I think yours will be fine since you caught it within a fair amount of time. They have all kinds of temperature fluctuations in the wild. The eggs are alot tougher than some people make them out to be.

Hope this helps

Danny

Danny, that does ease my mind slightly, thanks.
Update: I spent the better part of the day trying to duplicate the failure with a second identical incubator and temps.
I got the incubator stabilized up to 89.6 degrees (what I incubate at) and turned on the interior light to mimic the failure so that I can monitor the time it takes for the incubator to get to 98-99 degrees, and more importantly, the time it takes to get an egg (a nice big white unviable egg) to get to 98-99 degrees.
I can only assume that the less time the eggs have been hot, the better chance I have of them remaining viable.
After three full hours, the incubator has only risen 4 degrees and the egg only 1.5-2 degrees.
Here's hoping...