condition	mean	min	max
0 h after light	1.56208	1.34029	1.78387
4 h after light	2.56872	2.49924	2.6382
8 h after light	1.89908	1.70238	2.09578
4 h after dark	2.79764	2.7483	2.84698
8 h after dark	2.81115	2.65755	2.96475
12 h after dark	2.03194	1.55879	2.50509