condition	mean	min	max
4 h after light	8.185156666666666	8.178889999999999	8.188989999999999
8 h after light	8.351953333333334	8.34314	8.35816
12 h after light	9.009133333333333	8.95825	9.051739999999999
4 h after dark	9.032446666666667	8.896989999999999	9.19358
8 h after dark	8.42154	8.32278	8.482330000000001
12 h after dark	8.209233333333334	8.112960000000001	8.32951