condition	mean	min	max
4 h after light	8.827350000000001	8.518360000000001	9.0586
8 h after light	7.752066666666667	7.65861	7.8517399999999995
12 h after light	8.89114	8.737860000000001	9.09453
4 h after dark	8.788523333333332	8.496739999999999	9.02019
8 h after dark	9.49143	9.31611	9.71603
12 h after dark	10.190463333333334	10.06662	10.41801