condition	mean	min	max
4 h after light	0.4558105	0.419587	0.492034
8 h after light	0.511029	0.496682	0.525376
12 h after light	0.5580525000000001	0.415185	0.70092
4 h after dark	0.298342	0.200802	0.395882
8 h after dark	0.9221679999999999	0.819336	1.025
12 h after dark	0.920757	0.553384	1.28813