condition mean min max 4 h after light 54.6 54.6 54.6 8 h after light 37.699999999999996 15.6 59.8 12 h after light 30.799999999999997 9.3 52.3 4 h after dark 35.9 31.8 40.0 8 h after dark 63.9 61.7 66.1 12 h after dark 54.5 41.6 67.4