Which thermometer is the most accurate for temperature range.
All of the temperatures are within safe incubating range or plus or minus one degree from 99.5. I would leave it at the current setting and see how the hatch goes. If they hatch close to on time and are healthy, then the temps are fine.
Humidity should work too. You can calibrate the hybrometers by putting them on the front porch and using intellicast to see what the humidity is at your house. That should be close enough for hatching eggs.
Thank you! I didn't think of that for calibrating the hygrometer. The room the bator is in is full of fish tanks so the humidity can get quite high in there. I have the vents closed for now but i get the feeling I won't need to add much if any water during lockdown when they are open. I'm going to move the thermometers out from under the heating element to the sides of the bator. If it is notably cooler at the edges should I turn it up a bit? Its still air and currently set to 99.5.