condition	mean	min	max
4 h after light	2.6411573333333336	2.5786130000000003	2.736344
8 h after light	1.980926	1.495847	2.284191
12 h after light	1.3182583333333333	1.233992	1.433591
16 h after light	2.6806726666666667	2.369669	3.116263
4 h after dark	2.181095	2.010549	2.429552
8 h after dark	1.4526943333333333	1.401071	1.491306