condition	mean	min	max
4 h after light	10.002078999999998	9.087359	10.916799
8 h after light	9.064025999999998	8.700648	9.427404
12 h after light	9.260161	9.195419	9.324903
4 h after dark	9.321604	8.864373	9.778835
8 h after dark	8.431446999999999	7.667475	9.195419
12 h after dark	8.253105	8.253105	8.253105