Is it too cold for my d5100

Hi everyone, i went to an ice show with my brand new d5100, the temperature was about 9F, but I wasn't aware if it was too cold for my camera, I had it out the all time taking picture and didnt have any problem. However. I read some articles saying it could damage it due to condenesation, now I'm worry if my camera got messed  up. I should note that the ice show was in a hotel, so after I exit the show I was still in a air conditioned lobby. Do u think my camera is okay or how can I check if any condensation occurred?