condition mean min max 4 h after light 73.2 73.2 73.2 8 h after light 169.85000000000002 56.6 283.1 12 h after light 1873.0 225.6 3520.4 4 h after dark 2374.25 1734.0 3014.5 8 h after dark 868.7 467.0 1270.4 12 h after dark 231.0 50.2 411.8