condition	mean	min	max
4 h after light	7.098733333333334	6.966139999999999	7.181310000000001
8 h after light	6.90521	6.807510000000001	7.05468
12 h after light	7.0218766666666665	6.99038	7.04838
4 h after dark	6.63398	6.44855	6.73291
8 h after dark	6.606936666666667	6.42753	6.88103
12 h after dark	6.589816666666667	6.4631300000000005	6.82505