condition mean min max 3 h after light 5.5315199999999995 4.88811 6.12163 6 h after light 4.167963333333333 3.50998 4.8952 9 h after light 3.94099 3.46102 4.53734 12 h after light 7.908625 5.08372 12.687 3 h after dark 12.9549 10.7798 14.2672 6 h after dark 11.7445 11.4546 12.0004 9 h after dark 9.47153 9.09504 9.82013 12 h after dark 13.3172 11.7637 14.8707