condition mean min max 3 h after light 0.499435 0.0 1.09768 6 h after light 0.6879453333333334 0.352823 1.34844 9 h after light 0.48034666666666664 0.325484 0.718316 12 h after light 1.5681975000000001 0.0 2.35582 3 h after dark 2.235671 0.518933 3.71292 6 h after dark 3.48871 1.23313 5.31263 9 h after dark 4.71905 4.50844 4.84902 12 h after dark 4.0417749999999995 3.18105 4.9025