condition mean min max 0 h after light 0.2628585 0.0 0.525717 4 h after light 0.089119 0.0 0.178238 8 h after light 0.175564 0.173063 0.178065 4 h after dark 0.25838 0.171801 0.344959 8 h after dark 0.433607 0.172281 0.694933 12 h after dark 0.0854435 0.0 0.170887