condition mean min max 4 h after light 62.6 62.6 62.6 8 h after light 33.7 29.5 37.9 12 h after light 20.15 18.4 21.9 4 h after dark 61.349999999999994 52.6 70.1 8 h after dark 26.25 16.0 36.5 12 h after dark 40.3 33.2 47.4