condition	mean	min	max
3 h after light	1.5655383333333333	0.90031	2.66257
7 h after light	1.367032	0.533152	2.16906
11 h after light	1.20142825	0.413928	1.92587
2 h after dark	1.4164579166666666	0.754802	2.6248
6 h after dark	1.45303625	0.854835	2.51233
10 h after dark	1.3750189166666666	0.493815	2.0176