condition	mean	min	max
4 h after light	4.370325	3.89273	4.84792
8 h after light	4.76686	4.62185	4.91187
12 h after light	4.974345	4.68926	5.25943
4 h after dark	6.373145	5.85921	6.88708
8 h after dark	5.509555	5.38648	5.63263
12 h after dark	5.98786	5.71562	6.2601