condition mean min max 0 h after light 1.668259 0.959568 2.37695 2 h after light 2.75327 2.28196 3.22458 4 h after light 1.139513 0.970816 1.30821 8 h after light 1.37886 1.01893 1.73879 12 h after light 2.5277 1.88994 3.16546 2 h after dark 1.664925 1.22355 2.1063 4 h after dark 1.745825 1.71342 1.77823 8 h after dark 1.4780449999999998 1.39654 1.55955 12 h after dark 2.175605 2.11439 2.23682