condition	mean	min	max
4 h after light	7.319826666666667	7.244669999999999	7.4406
8 h after light	7.466903333333334	7.268210000000001	7.6160000000000005
12 h after light	7.340083333333333	7.16135	7.44205
4 h after dark	7.49151	7.443569999999999	7.55483
8 h after dark	7.48242	7.35579	7.57786
12 h after dark	7.53625	7.4055800000000005	7.6905