The thing with uth's are if they are not regulated they can spike from the current source. Maybe when you took the temperature on top of the reptile carpet the uth was reading 90 but that is not a steady 90. 93 is too hot and 95 is hotter. There is a chance that that temperature is even higher bc the thermometer is measuring the surface temp. You need to remove the reptile carpet and any other substrate and measure the temps on the glass over the uth. Can you measure it with a temp gun? Grab some foil tape and cover the adhesive side then foil tape the uth back in place with a thermostat probe between the glass and the uth. You have to get a thermostat for the uth.
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