condition	mean	min	max
4 h after light	6.93201	3.51302	10.351
8 h after light	11.81905	11.3858	12.2523
12 h after light	14.9145	10.0195	19.8095
4 h after dark	11.0103	9.7781	13.0814
8 h after dark	17.503833333333333	14.3742	19.4795
12 h after dark	13.735733333333334	12.6059	15.5002