condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.035643666666666664 0.0 0.106931 12 h after light 0.0 0.0 0.0 3 h after dark 0.0328822 0.0 0.0986466 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0