condition mean min max 3 h after light 6.9397375 2.71427 12.2353 7 h after light 2.7288841666666666 1.10542 4.61619 11 h after light 2.1888325 1.15346 3.35884 2 h after dark 3.2757725 1.98221 4.89896 6 h after dark 2.9144216666666667 1.37867 5.95392 10 h after dark 3.6515181666666665 0.731548 8.40228