condition	mean	min	max
4 h after light	9.284563333333333	9.1626	9.36713
8 h after light	9.39422	9.31123	9.55157
12 h after light	9.589409999999999	9.50639	9.7036
4 h after dark	9.2855	9.17915	9.38286
8 h after dark	9.190966666666666	9.10084	9.365860000000001
12 h after dark	9.099260000000001	8.94485	9.22443