condition mean min max 0 h after light 0.03097945 0.0 0.0619589 4 h after light 0.0946975 0.0 0.189395 8 h after light 0.0306494 0.0 0.0612988 4 h after dark 0.0 0.0 0.0 8 h after dark 0.061022 0.0 0.122044 12 h after dark 0.09146585 0.0618757 0.121056