condition mean min max 3 h after light 3.1088183333333332 0.946705 4.30753 6 h after light 2.68246 1.73443 4.39424 9 h after light 4.76091 3.246 5.60139 12 h after light 12.407973333333334 5.48672 18.0561 3 h after dark 26.3182 20.5642 31.5004 6 h after dark 9.73465 8.0857 12.9915 9 h after dark 8.29013 3.73094 14.6738 12 h after dark 3.6580166666666667 1.14758 6.59636