condition	mean	min	max
4 h after light	8.16513	7.56055	8.76971
8 h after light	7.226495	7.05862	7.39437
12 h after light	7.860505	7.79571	7.9253
4 h after dark	13.515149999999998	12.1344	14.8959
8 h after dark	10.320450000000001	9.845	10.7959
12 h after dark	10.6515	10.085	11.218