condition mean min max 4 h after light 10.767512 10.507474 11.02755 8 h after light 10.860103500000001 10.778795 10.941412 12 h after light 11.267709 10.778795 11.756623 4 h after dark 10.554147 10.329499 10.778795 8 h after dark 10.5855765 9.401068 11.770085 12 h after dark 10.244567 10.244567 10.244567