condition mean min max 0 h after light 73.5034 67.7714 79.2354 4 h after light 50.5154 40.8665 60.1643 8 h after light 103.5469 96.3968 110.697 4 h after dark 117.93375 98.0305 137.837 8 h after dark 82.883 80.2923 85.4737 12 h after dark 59.29945000000001 51.7995 66.7994