condition mean min max 0 h after light 0.0563095 0.0 0.112619 4 h after light 0.1662575 0.0 0.332515 8 h after light 0.1700455 0.111221 0.22887 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0