I had set eggs 3 weeks ago. All were doing great! I moved to the bottom hatcher at day 18. The temp read 98* in the hatcher whereas at the top of the incubator it read 100*. I had 25+ eggs in there. Only 5 have hatched and possibly two more to come. The rest all died. Humidity ran about 45% the entire incubation and 55% at hatch (couldn't get it to move up??) The basement temperature is 64*. Did the low temp in the hatcher kill my eggs? They were all supposed to hatch on Sunday and some are just now hatching. How do I raise the temp in the hatching area?