condition	mean	min	max
4 h after light	8.145662999999999	7.625085	8.666241
8 h after light	8.092637	8.065733	8.119541
12 h after light	7.743816	7.606227	7.881405
4 h after dark	9.193582	8.146226	10.240938
8 h after dark	9.5144655	9.160015	9.868916
12 h after dark	8.27989	8.27989	8.27989