condition mean min max 2 h after light 1.218885 0.668975 1.4968 6 h after light 0.899726 0.605682 1.44949 10 h after light 0.5700663333333333 0.211972 1.20447 2 h after dark 1.0548036666666667 0.788619 1.54905 6 h after dark 0.664982 0.257636 1.45379 10 h after dark 1.9604753333333333 0.302096 2.9988