condition	mean	min	max
4 h after light	1.748745	1.5886	1.90889
8 h after light	1.633445	1.59647	1.67042
12 h after light	0.6484639999999999	0.565755	0.731173
4 h after dark	0.8316385	0.798851	0.864426
8 h after dark	0.5646610000000001	0.555521	0.573801
12 h after dark	0.595293	0.376071	0.814515