condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.43782666666666664 0.0 1.31348 9 h after light 0.24647233333333332 0.0 0.739417 12 h after light 0.62644 0.0 2.50576 3 h after dark 0.0 0.0 0.0 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