condition mean min max 4 h after light 3.0 3.0 3.0 8 h after light 3.85 3.2 4.5 12 h after light 9.7 4.6 14.8 4 h after dark 24.349999999999998 1.3 47.4 8 h after dark 4.7 3.7 5.7 12 h after dark 2.8499999999999996 1.9 3.8