condition	mean	min	max
4 h after light	6.427383333333333	6.32784	6.60053
8 h after light	6.385296666666666	6.19988	6.600219999999999
12 h after light	6.54978	6.43616	6.67888
4 h after dark	6.432856666666667	6.37517	6.54475
8 h after dark	6.252446666666667	5.9162	6.473669999999999
12 h after dark	6.415509999999999	6.2996099999999995	6.6261399999999995