condition mean min max 4 h after light 13.1 13.1 13.1 8 h after light 24.45 20.9 28.0 12 h after light 45.3 37.8 52.8 4 h after dark 31.349999999999998 20.4 42.3 8 h after dark 3.5 1.5 5.5 12 h after dark 14.95 7.9 22.0