condition mean min max 3 h after light 6.5932 5.62204 7.88658 6 h after light 6.3156300000000005 5.82788 6.58495 9 h after light 8.054706666666666 6.66352 9.09112 12 h after light 11.317466666666666 10.0371 13.5836 3 h after dark 12.4745 11.8176 12.9416 6 h after dark 17.5756 16.012 18.915 9 h after dark 14.8133 13.0762 16.365 12 h after dark 8.022146666666666 6.96143 8.70289