condition	mean	min	max
4 h after light	8.98921	8.95357	9.05923
8 h after light	9.477353333333333	9.43246	9.51487
12 h after light	9.2158	9.18828	9.24313
4 h after dark	9.776440000000001	9.53589	10.12782
8 h after dark	9.870123333333334	9.67504	10.03823
12 h after dark	10.166026666666667	9.89613	10.39914