condition mean min max 4 h after light 22.558 20.1576 24.9584 8 h after light 18.0197 17.619 18.4204 12 h after light 20.157249999999998 19.7729 20.5416 4 h after dark 22.1295 21.4843 23.3137 8 h after dark 25.907533333333333 23.9452 27.1375 12 h after dark 22.962366666666668 22.5425 23.6353