condition mean min max 4 h after light 0.03482685 0.0 0.0696537 8 h after light 0.02165523 0.00689886 0.0364116 12 h after light 0.17192079999999998 0.0753506 0.268491 4 h after dark 0.1463605 0.12749 0.165231 8 h after dark 0.065849736 0.000175472 0.131524 12 h after dark 0.054324 0.0 0.108648