condition mean min max 0 h after light 11.1446 10.9504 11.3388 4 h after light 13.4255 12.3054 14.5456 8 h after light 16.60235 15.611 17.5937 4 h after dark 16.213050000000003 15.0409 17.3852 8 h after dark 15.4073 14.9072 15.9074 12 h after dark 13.28105 12.1382 14.4239