condition mean min max 0 h after light 16.1173 15.0958 17.1388 2 h after light 10.05476 9.18362 10.9259 4 h after light 8.136855 6.72826 9.54545 8 h after light 13.242049999999999 9.2522 17.2319 12 h after light 13.71995 10.2265 17.2134 2 h after dark 16.90585 16.568 17.2437 4 h after dark 16.4452 13.852 19.0384 8 h after dark 18.69905 17.9629 19.4352 12 h after dark 13.2825 11.5965 14.9685