condition mean min max 2 h after light 0.6737383333333333 0.0 1.59617 6 h after light 0.7045051666666666 0.491651 0.814609 10 h after light 0.2664955 0.0 0.607287 14 h after light 0.3972835 0.119792 0.740391 18 h after light 0.352958 0.0 0.590356 2 h after dark 0.1503895 0.0 0.436852