condition	mean	min	max
4 h after light	9.768329999999999	9.597539999999999	10.0366
8 h after light	9.665226666666667	9.51552	9.85445
12 h after light	9.056073333333332	8.91959	9.16425
4 h after dark	9.14163	8.85977	9.2881
8 h after dark	9.085486666666666	8.87677	9.19547
12 h after dark	8.99813	8.830010000000001	9.180069999999999