condition mean min max 4 h after light 47.0859 46.2567 47.9151 8 h after light 40.6513 40.5898 40.7128 12 h after light 43.82065 42.9675 44.6738 4 h after dark 54.1534 46.7067 61.6001 8 h after dark 52.455799999999996 50.9244 53.9872 12 h after dark 54.7505 53.6963 55.8047