condition mean min max 3 h after light 11.317166666666667 10.3548 12.1775 6 h after light 11.84491 8.60253 14.0192 9 h after light 15.074533333333333 13.7234 17.3059 12 h after light 15.5536675 8.81107 18.7278 3 h after dark 15.8097 14.4881 17.6101 6 h after dark 12.4777 9.8309 13.8217 9 h after dark 8.33344 7.52078 9.81847 12 h after dark 5.31035 4.98284 5.63786