condition mean min max 4 h after light 123.1685 119.255 127.082 8 h after light 117.512 108.653 126.371 12 h after light 104.66149999999999 102.101 107.222 4 h after dark 108.40933333333334 103.648 113.584 8 h after dark 95.90859999999999 90.8029 100.38 12 h after dark 113.95766666666667 105.768 125.937