condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.06023123333333333 0.0 0.129485 12 h after light 0.056736 0.0 0.170208 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