condition	mean	min	max
4 h after light	4.032943333333333	4.008369999999999	4.05975
8 h after light	4.102016666666667	4.04605	4.15489
12 h after light	4.25146	4.2020599999999995	4.28985
4 h after dark	4.17623	4.10956	4.28969
8 h after dark	4.005246666666666	3.82458	4.14922
12 h after dark	4.04422	4.024380000000001	4.056430000000001