condition	mean	min	max
4 h after light	14.79825	14.7293	14.8672
8 h after light	7.938054999999999	7.44023	8.43588
12 h after light	6.769254999999999	5.99982	7.53869
4 h after dark	13.5967	12.4776	14.7158
8 h after dark	18.41085	18.1103	18.7114
12 h after dark	16.9425	15.8207	18.0643