condition	mean	min	max
4 h after light	5.3772400000000005	5.09351	5.51997
8 h after light	5.27343	5.0511	5.44053
12 h after light	5.174953333333333	4.97245	5.3462
4 h after dark	5.23179	5.09601	5.3231
8 h after dark	5.221283333333333	5.1548099999999994	5.263669999999999
12 h after dark	5.22656	5.08695	5.33796