condition mean min max 1 h after light 2.1053507363333335 1.6756477090000002 2.6534489530000003 3 h after light 1.5010985989999999 1.250553867 1.9440213919999998 5 h after light 1.7447216926666667 0.889802885 2.328204097 7 h after light 1.6388693906666665 1.5011148369999998 1.837798469 9 h after light 1.7088787250000002 1.533155917 1.796982005 11 h after light 1.8956324243333333 1.197708927 2.412005781 13 h after light 1.5807032716666667 1.019832736 1.882703616 15 h after light 1.6001027326666666 1.508118267 1.722109189 1 h after dark 2.182623849 1.381001766 3.269319144 3 h after dark 1.567689393 1.2513276740000001 1.9737402830000002 5 h after dark 1.8417493096666666 1.443354655 2.198101162 7 h after dark 1.3133865176666666 0.7391769340000001 1.7065072669999999