condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.383736 0.0 0.777321 10 h after light 0.07939483333333333 0.0 0.263003 14 h after light 0.3955626666666667 0.0 1.33782 18 h after light 0.0 0.0 0.0 2 h after dark 0.177743 0.0 0.552679