condition	mean	min	max
4 h after light	9.553650000000001	9.47348	9.70526
8 h after light	9.63374	9.48045	9.80527
12 h after light	9.604656666666667	9.32891	9.846260000000001
4 h after dark	9.444286666666667	9.216510000000001	9.63091
8 h after dark	9.30996	9.09368	9.576889999999999
12 h after dark	8.94638	8.82664	9.17343