condition	mean	min	max
0 h after light	6.191815	5.90364	6.47999
4 h after light	5.5150950000000005	5.32167	5.70852
8 h after light	6.11013	5.91167	6.30859
4 h after dark	7.866805	7.51876	8.21485
8 h after dark	7.050135	6.7698	7.33047
12 h after dark	6.542574999999999	6.30939	6.77576