condition	mean	min	max
4 h after light	9.4033	9.27657	9.57217
8 h after light	6.867136666666667	6.73275	7.01473
12 h after light	6.592066666666667	6.159730000000001	7.03448
4 h after dark	6.694803333333334	6.56238	6.94808
8 h after dark	10.93731	10.64212	11.399239999999999
12 h after dark	12.50618	12.42682	12.63746