condition mean min max 0 h after light 10.38505 10.2814 10.4887 4 h after light 9.36702 8.45764 10.2764 8 h after light 11.23 10.5618 11.8982 4 h after dark 11.300550000000001 11.0676 11.5335 8 h after dark 12.31705 11.6827 12.9514 12 h after dark 10.61795 10.4088 10.8271