condition mean min max 0 h after light 4.024875 3.26675 4.783 4 h after light 1.3833799999999998 1.28022 1.48654 8 h after light 0.753019 0.511593 0.994445 4 h after dark 1.60662 1.23886 1.97438 8 h after dark 1.116825 0.74872 1.48493 12 h after dark 1.74299 1.22742 2.25856