IMac operating temperature question

Hi. I am thinking of getting a new iMac.
I see on the iMac technical specifications webpage :
http://www.apple.com/imac/specs.html#specs
...that the iMac is required to be in a 50 degree Farenheit or warmer environment. "Operating temperature: 50° to 95° F (10° to 35° C)"
So what if the temperature goes down to 35 degrees Farenheit in a low heat overnight situation? Is this a real cause for concern?
Thanks.
Thomas

The Dell XPS One has these specs:
"Temperature:
Operating 10° to 35°C (50° to 95°F)
Storage –40° to 65°C (–40° to 149°F)
Relative humidity 20% to 80% (noncondensing)"
(I had to download the "Dell™ XPS One™ Owner’s Manual" to find them. Annoying.)
The important word is "noncondensing". If your machine gets cold and the water vapor inside it condenses, then you have liquid water covering certain parts. This is never good.

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