condition mean min max 3 h after light 158.127375 77.1415 189.255 7 h after light 121.47216666666667 85.2034 177.118 11 h after light 114.40975 87.0705 160.222 2 h after dark 151.70768333333334 98.5232 199.102 6 h after dark 138.142225 98.3627 178.015 10 h after dark 151.1883 95.4986 201.109