condition	mean	min	max
4 h after light	0.6878930000000001	0.38002	0.995766
8 h after light	0.4870545	0.415577	0.558532
12 h after light	0.264496	0.227381	0.301611
4 h after dark	0.4666055	0.403231	0.52998
8 h after dark	0.428949	0.265588	0.59231
12 h after dark	0.4059145	0.26147	0.550359