condition	mean	min	max
4 h after light	7.128566666666667	6.48757	7.639419999999999
8 h after light	7.2631033333333335	7.06545	7.393689999999999
12 h after light	7.175396666666667	7.03227	7.33896
4 h after dark	7.96429	7.6361	8.225439999999999
8 h after dark	7.76067	7.3700399999999995	8.09153
12 h after dark	8.300853333333334	7.978260000000001	8.50885