condition	mean	min	max
3 h after light	6.763276666666666	6.36778	7.12196
6 h after light	8.391973333333333	6.85533	10.2851
9 h after light	11.16778	8.96174	12.6578
12 h after light	11.3263725	9.42539	12.934
3 h after dark	12.7584	11.5956	13.6497
6 h after dark	11.8834	10.5096	12.7114
9 h after dark	9.811986666666668	8.47586	10.5416
12 h after dark	7.670579999999999	6.93447	8.40669