condition	mean	min	max
4 h after light	1.753465	1.71334	1.79359
8 h after light	3.13391	3.07355	3.19427
12 h after light	2.625615	2.61489	2.63634
4 h after dark	2.39676	1.8075	2.83937
8 h after dark	1.72864	1.43516	1.93174
12 h after dark	1.0579026666666667	0.382368	1.57996