condition mean min max 0 h after light 58.2331 54.3123 62.1539 4 h after light 63.7737 60.9294 66.618 8 h after light 71.52265 65.6869 77.3584 4 h after dark 72.49635 66.36 78.6327 8 h after dark 88.44815 87.472 89.4243 12 h after dark 63.491749999999996 59.731 67.2525