condition	mean	min	max
4 h after light	6.791989999999999	6.60526	7.027819999999999
8 h after light	6.913023333333334	6.7564	7.204160000000001
12 h after light	6.809013333333334	6.59019	7.09427
4 h after dark	6.878153333333334	6.76014	7.1074399999999995
8 h after dark	6.850046666666667	6.68393	7.124689999999999
12 h after dark	6.78697	6.63822	6.94786