condition	mean	min	max
4 h after light	7.8681705	7.804949	7.931392
8 h after light	8.1363995	8.115306	8.157493
12 h after light	9.1696345	9.007367	9.331902
4 h after dark	7.6642185000000005	7.170944	8.157493
8 h after dark	9.2182075	8.387326	10.049089
12 h after dark	7.924803	7.924803	7.924803