condition mean min max 2 h after light 68.39246666666666 61.1347 73.3615 6 h after light 74.12498333333333 58.6188 82.1794 10 h after light 84.75635 74.0588 100.772 14 h after light 78.67475 66.9588 97.4341 18 h after light 77.8152 69.8131 85.2551 2 h after dark 60.01715 46.9616 72.3892