condition mean min max 4 h after light 11.1449745 9.077056 13.212893 8 h after light 10.351339 9.647077 11.055601 12 h after light 10.234467500000001 10.059439 10.409496 4 h after dark 10.3817895 10.141888 10.621691 8 h after dark 9.027819000000001 8.923453 9.132185 12 h after dark 10.409496 10.409496 10.409496