Temperatures

Sourdough recipes from various sources - as long as they're by weight not volume.Challenger cast iron pan. Electric oven from the 1980s!Two questions, if I may, please… I'm tending to get slight over-browning:can I, should I stop baking regardless of what the recipe says when my Thermapen shows above 190°F in two or three places?is the bottom of an electric oven (mine does run