condition	mean	min	max
4 h after light	9.401440000000001	9.363	9.433760000000001
8 h after light	9.56104	9.41878	9.72445
12 h after light	9.71262	9.69618	9.73134
4 h after dark	9.84567	9.73826	9.917489999999999
8 h after dark	9.847553333333334	9.73264	9.928339999999999
12 h after dark	9.936869999999999	9.862689999999999	10.063080000000001