condition mean min max 4 h after light 24.669150000000002 23.7074 25.6309 8 h after light 20.14425 20.0523 20.2362 12 h after light 17.30065 17.2692 17.3321 4 h after dark 23.9096 23.7666 24.0526 8 h after dark 24.6231 24.2988 24.9474 12 h after dark 25.21295 24.9961 25.4298