condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 2.72075 0.0 5.4415 4 h after dark 0.0 0.0 0.0 8 h after dark 5.839015 5.73307 5.94496 12 h after dark 0.0 0.0 0.0