condition	mean	min	max
4 h after light	3.1065946666666666	2.9827630000000003	3.276193
8 h after light	2.2140269999999997	1.5710469999999999	2.630457
12 h after light	2.0174913333333335	1.428172	3.162268
16 h after light	3.1073103333333334	2.6608959999999997	3.656146
4 h after dark	2.848284666666667	2.33467	3.378786
8 h after dark	1.6573630000000001	1.632393	1.6957740000000001