condition	mean	min	max
0 h after light	8.4858	8.13117	8.84043
4 h after light	8.76269	8.70245	8.82293
8 h after light	8.759425	8.61604	8.90281
4 h after dark	11.239550000000001	10.8117	11.6674
8 h after dark	10.165125	9.40645	10.9238
12 h after dark	8.438464999999999	7.52246	9.35447