condition mean min max 4 h after light 6.24943 6.02033 6.47853 8 h after light 3.38895 2.96068 3.81722 12 h after light 4.321795 4.24346 4.40013 4 h after dark 2.793676666666667 1.55557 3.59749 8 h after dark 3.9089199999999997 1.88086 5.27464 12 h after dark 4.152 3.98792 4.45068