condition	mean	min	max
4 h after light	5.556073333333333	5.50976	5.60409
8 h after light	5.47388	5.3867	5.59122
12 h after light	5.40346	5.30809	5.47325
4 h after dark	5.44044	5.39102	5.492719999999999
8 h after dark	5.455446666666666	5.21662	5.7085
12 h after dark	5.40336	5.3747	5.44792