condition mean min max 2 h after light 0.9964015 0.344504 2.53635 6 h after light 0.3444446666666667 0.0 0.758204 10 h after light 0.570154 0.0 1.39009 14 h after light 0.525378 0.091362 1.251 18 h after light 0.7116201666666666 0.31495 1.20399 2 h after dark 0.9290785 0.147667 1.71039