condition	mean	min	max
4 h after light	9.735759999999999	9.6686	9.84077
8 h after light	9.47388	9.397089999999999	9.5427
12 h after light	9.288893333333332	9.16358	9.414489999999999
4 h after dark	9.334653333333334	8.87669	9.5989
8 h after dark	9.741	9.567219999999999	9.95997
12 h after dark	9.704746666666667	9.55455	9.827