condition mean min max 4 h after light 158.225267 156.82273 159.627804 8 h after light 195.199166 178.033777 212.364555 12 h after light 309.2618475 254.159829 364.363866 4 h after dark 337.21812950000003 301.521032 372.915227 8 h after dark 378.90984149999997 320.770518 437.049165 12 h after dark 205.420103 205.420103 205.420103