condition mean min max 4 h after light 2.93778 2.85266 3.0229 8 h after light 2.17941 1.92679 2.43203 12 h after light 2.469685 2.13644 2.80293 4 h after dark 3.7443400000000002 3.33848 4.1502 8 h after dark 3.0874699999999997 3.05096 3.12398 12 h after dark 3.37079 3.29594 3.44564