condition	mean	min	max
4 h after light	5.16284	5.13209	5.18928
8 h after light	5.248273333333334	5.02284	5.4217900000000006
12 h after light	5.27904	4.9726099999999995	5.60984
4 h after dark	5.270283333333333	5.12091	5.54355
8 h after dark	5.3361833333333335	5.03999	5.8293
12 h after dark	5.17454	5.00212	5.42048