condition mean min max 3 h after light 9.01121 7.79889 10.986 6 h after light 8.588999999999999 6.7877 9.95535 9 h after light 9.31455 7.10256 11.4143 12 h after light 10.650960000000001 9.37174 11.5348 3 h after dark 14.374033333333333 12.1831 16.1459 6 h after dark 12.740566666666666 11.2064 14.6598 9 h after dark 11.845333333333333 10.1244 13.4249 12 h after dark 10.298615 9.39413 11.2031