condition	mean	min	max
4 h after light	7.076770000000001	7.020289999999999	7.155710000000001
8 h after light	6.794169999999999	6.71024	6.885039999999999
12 h after light	6.146023333333333	6.004919999999999	6.4211599999999995
4 h after dark	6.9179200000000005	6.826960000000001	7.09475
8 h after dark	7.210646666666666	7.055289999999999	7.344760000000001
12 h after dark	8.14312	8.00958	8.36368