condition	mean	min	max
0 h after light	1.523225	0.45766	2.58879
4 h after light	0.6156325	0.300283	0.930982
8 h after light	0.4606865	0.301319	0.620054
4 h after dark	1.423775	1.34604	1.50151
8 h after dark	2.25916	2.24968	2.26864
12 h after dark	1.648005	1.06454	2.23147