condition mean min max 2 h after light 0.6501905 0.119351 1.48456 6 h after light 0.47637283333333336 0.213189 0.830251 10 h after light 0.7569456666666666 0.39181 1.09409 14 h after light 0.53715 0.125402 0.860783 18 h after light 0.3810111666666667 0.130584 0.653361 2 h after dark 0.8093165 0.279887 1.18976