Here are some threads that you should read if you haven't already:
BP Caresheet: http://ball-pythons.net/forums/showt...ius)-Caresheet
How to setup a Glass Tank:http://ball-pythons.net/forums/showt...With-Pictures!
Cage Heating: http://ball-pythons.net/forums/showt...t-Thermometers
94 is a little warm for my tastes, I would shoot for 90 F hot side, 80 F cool side. As long as you are within 88-92 and 78-82 you are fine.