condition mean min max 3 h after light 38.786566666666666 32.3996 43.3361 6 h after light 30.1154 22.1943 39.6315 9 h after light 30.29286666666667 27.6472 31.8444 12 h after light 41.058350000000004 26.4745 72.128 3 h after dark 66.4593 52.0954 78.1815 6 h after dark 108.59166666666667 104.243 115.716 9 h after dark 96.2697 75.4858 119.905 12 h after dark 80.33855 70.0913 90.5858