condition mean min max 0 h after light 23.4618 20.6751 26.2485 2 h after light 6.94677 6.88036 7.01318 4 h after light 8.66518 8.44431 8.88605 8 h after light 8.13472 7.74315 8.52629 12 h after light 9.462415 8.17023 10.7546 2 h after dark 12.04625 10.3732 13.7193 4 h after dark 15.34325 14.6101 16.0764 8 h after dark 24.1899 22.4022 25.9776 12 h after dark 23.76875 22.9542 24.5833