condition mean min max 4 h after light 0.227942 0.0 0.455884 8 h after light 0.4320175 0.369357 0.494678 12 h after light 0.8239155 0.451101 1.19673 4 h after dark 0.3942845 0.0 0.788569 8 h after dark 0.4922275 0.391694 0.592761 12 h after dark 0.163778 0.0 0.327556