condition mean min max 0 h after light 1.1926785 0.399717 1.98564 2 h after light 1.1786705 0.678951 1.67839 4 h after light 0.992727 0.349494 1.63596 8 h after light 0.9872675 0.782075 1.19246 12 h after light 0.643826 0.447371 0.840281 2 h after dark 0.7419555 0.480321 1.00359 4 h after dark 0.0 0.0 0.0 8 h after dark 0.625765 0.0 1.25153 12 h after dark 1.0610915 0.503553 1.61863