condition mean min max 3 h after light 0.28331066666666666 0.177901 0.384805 6 h after light 0.152521 0.126916 0.17926 9 h after light 0.1393347 0.0596421 0.216584 12 h after light 0.344341 0.229701 0.434453 3 h after dark 0.2567043333333333 0.243432 0.265094 6 h after dark 0.366555 0.173182 0.584982 9 h after dark 0.17735299999999998 0.105197 0.2673 12 h after dark 0.16327066666666668 0.146091 0.172519