condition	mean	min	max
4 h after light	7.55673	7.11224	8.00122
8 h after light	8.817085	7.23507	10.3991
12 h after light	7.8160799999999995	7.22005	8.41211
4 h after dark	9.717625	8.19015	11.2451
8 h after dark	9.44827	7.15244	11.7441
12 h after dark	10.046624999999999	9.67325	10.42