condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.06175166666666667 0.0 0.185255 12 h after light 0.028825966666666664 0.0 0.0608793 4 h after dark 0.05695566666666666 0.0 0.170867 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0