condition mean min max 3 h after light 0.09289966666666666 0.0 0.278699 6 h after light 0.0 0.0 0.0 9 h after light 0.065428 0.0 0.196284 12 h after light 0.0 0.0 0.0 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