condition	mean	min	max
4 h after light	2.867645	2.27411	3.46118
8 h after light	1.79766	1.77635	1.81897
12 h after light	1.68595	1.28921	2.08269
4 h after dark	4.356215	3.89856	4.81387
8 h after dark	7.543200000000001	6.38972	8.69668
12 h after dark	5.282115	3.89836	6.66587