It's usually about 80 degrees according to my parents, they say his heating bulb and thermostat in the igloo is set for around 80 degrees, but he also has something called a "pig blanket" i believe which is like a pressure pad he can step on to get warm.
Ok this is a long-winded message so stay with me but...
When I moved into this house I am at, in Southern California, we acquired a Sulcata Dessert Tortoise (I believe) from the previous owner. He was bit by a dog when he was younger before we got him. After we got him his house got set on fire...