condition mean min max 1 h after light 1.473862459 1.473862459 1.473862459 3 h after light 1.850443164 1.7783136290000001 1.922572699 5 h after light 2.314195988 2.134120346 2.49427163 7 h after light 2.9516520470000005 2.8101317630000002 3.0931723310000003 9 h after light 2.652899793 2.108368806 3.19743078 11 h after light 3.2062132245 2.6347463490000003 3.7776801 1 h after dark 3.644227746 3.61867285 3.669782642 3 h after dark 3.7807426404999998 3.228697398 4.332787883 5 h after dark 4.1919718790000005 4.165648784 4.218294974 7 h after dark 5.5889181255 3.966471865 7.2113643860000005 9 h after dark 7.20579614 6.89644767 7.51514461 11 h after dark 8.022122062000001 7.182810357999999 8.861433766000001