condition mean min max 2 h after light 0.050406 0.0 0.302436 6 h after light 0.1999095 0.0 0.525963 10 h after light 0.09951966666666667 0.0 0.278239 14 h after light 0.2191361666666667 0.0 0.727072 18 h after light 0.067899 0.0 0.261002 2 h after dark 0.08762433333333333 0.0 0.269656