condition mean min max 4 h after light 12.5 12.5 12.5 8 h after light 3.3 1.8 4.8 12 h after light 18.349999999999998 0.4 36.3 4 h after dark 23.05 15.5 30.6 8 h after dark 22.45 21.5 23.4 12 h after dark 20.5 2.0 39.0