condition mean min max 3 h after light 1.1320215 0.255725 1.96567 7 h after light 0.63124575 0.369731 0.985422 11 h after light 0.6945495 0.201929 1.12693 2 h after dark 1.4338633333333333 1.01974 2.25261 6 h after dark 1.2633545833333333 0.534243 2.03631 10 h after dark 1.0066726666666668 0.453705 1.59634