condition mean min max 4 h after light 4.75213 4.72634 4.77792 8 h after light 5.969955000000001 5.21788 6.72203 12 h after light 5.15962 5.1477 5.17154 4 h after dark 4.667176666666667 3.94904 5.14402 8 h after dark 5.246133333333333 3.08792 7.54232 12 h after dark 5.363503333333333 4.43413 6.81553