condition	mean	min	max
4 h after light	5.894286666666667	5.82798	5.95822
8 h after light	6.070016666666667	5.9496	6.24284
12 h after light	5.97244	5.8006400000000005	6.14162
4 h after dark	5.961706666666667	5.85918	6.01415
8 h after dark	6.04522	5.80128	6.247999999999999
12 h after dark	6.44494	6.36701	6.49354