condition	mean	min	max
0 h after light	3.237375	3.15396	3.32079
4 h after light	3.128845	3.10963	3.14806
8 h after light	3.13177	3.0795	3.18404
4 h after dark	3.1038300000000003	3.03437	3.17329
8 h after dark	3.11921	3.10047	3.13795
12 h after dark	2.673155	2.38943	2.95688