condition	mean	min	max
0 h after light	2.2685899999999997	2.09609	2.44109
4 h after light	2.8166599999999997	2.75378	2.87954
8 h after light	1.89407	1.28681	2.50133
4 h after dark	2.35862	2.0201	2.69714
8 h after dark	2.004635	1.99149	2.01778
12 h after dark	1.807965	1.78482	1.83111