condition mean min max 0 h after light 0.077587 0.0 0.155174 4 h after light 0.22908 0.0 0.45816 8 h after light 0.0 0.0 0.0 4 h after dark 0.15273 0.0 0.30546 8 h after dark 0.1525545 0.0 0.305109 12 h after dark 0.0 0.0 0.0