condition	mean	min	max
4 h after light	8.05422	7.877510000000001	8.33928
8 h after light	6.341506666666667	6.01622	6.74673
12 h after light	6.604756666666667	6.27604	7.011589999999999
4 h after dark	7.86521	7.54625	8.041160000000001
8 h after dark	8.703766666666667	8.62021	8.802719999999999
12 h after dark	9.82883	9.34274	10.306460000000001