condition mean min max 4 h after light 61.6 61.6 61.6 8 h after light 40.35 9.2 71.5 12 h after light 11.3 5.3 17.3 4 h after dark 36.2 35.5 36.9 8 h after dark 18.5 14.7 22.3 12 h after dark 37.099999999999994 35.3 38.9