condition mean min max 4 h after light 0.13287933333333332 0.0 0.219129 8 h after light 0.26852433333333336 0.177316 0.369837 12 h after light 0.26169566666666666 0.158216 0.33552 4 h after dark 0.424137 0.245317 0.612016 8 h after dark 0.235481 0.158733 0.38652 12 h after dark 0.333614 0.254606 0.37679