condition mean min max 2 h after light 0.18260016666666667 0.0 0.319777 6 h after light 0.21461260000000001 0.0 0.383388 10 h after light 0.25870466666666664 0.17582 0.49076 14 h after light 0.2166157 0.0 0.736549 18 h after light 0.34356586666666666 0.0 0.625754 2 h after dark 0.265492 0.0 0.567759