condition	mean	min	max
0 h after light	7.324835	6.86458	7.78509
4 h after light	4.166775	3.65122	4.68233
8 h after light	4.63269	4.43875	4.82663
4 h after dark	6.88192	6.51312	7.25072
8 h after dark	5.99527	5.0597	6.93084
12 h after dark	6.289565	6.28427	6.29486