condition	mean	min	max
4 h after light	3.1873313333333333	3.1189240000000003	3.310514
8 h after light	2.338231	1.34178	3.027717
12 h after light	1.635872	1.4079190000000001	1.808898
16 h after light	3.1490013333333335	2.7204330000000003	3.565346
4 h after dark	2.456746	1.931198	2.922825
8 h after dark	1.5393096666666668	1.4286450000000002	1.6632810000000002