condition mean min max 4 h after light 2.9651666666666667 2.918042 3.053512 8 h after light 2.1159470000000002 1.443904 2.476709 12 h after light 2.6662636666666666 1.542405 3.551506 16 h after light 4.098065 2.9142799999999998 5.998203 4 h after dark 2.550548 2.246407 2.751757 8 h after dark 2.4993593333333335 1.860844 3.680257