condition	mean	min	max
4 h after light	4.458055	3.27225	5.64386
8 h after light	8.04574	7.14713	8.94435
12 h after light	6.58597	3.9087	9.26324
4 h after dark	4.851026666666667	3.15214	7.72272
8 h after dark	6.361423333333334	4.90254	7.63595
12 h after dark	12.32723	5.33144	22.6719