condition	mean	min	max
4 h after light	5.333933333333333	5.16999	5.50085
8 h after light	5.5213	5.230569999999999	5.9233400000000005
12 h after light	5.872623333333333	5.52621	6.09199
4 h after dark	5.700216666666667	5.29162	6.10668
8 h after dark	5.25999	5.11144	5.50263
12 h after dark	5.11151	4.95273	5.30504