condition mean min max 0 h after light 0.0838255 0.0 0.167651 4 h after light 0.0825005 0.0 0.165001 8 h after light 0.0 0.0 0.0 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