condition	mean	min	max
4 h after light	7.53027	7.25707	7.807460000000001
8 h after light	7.55615	7.40424	7.78753
12 h after light	7.58728	7.43774	7.7779
4 h after dark	7.655043333333333	7.437939999999999	7.90833
8 h after dark	7.719243333333334	7.5448	7.896660000000001
12 h after dark	7.82731	7.68527	8.043339999999999