condition	mean	min	max
4 h after light	9.0917	8.96268	9.17709
8 h after light	9.157473333333334	9.08685	9.283610000000001
12 h after light	8.998906666666667	8.731060000000001	9.21085
4 h after dark	9.31026	9.20152	9.47152
8 h after dark	9.286533333333333	9.22012	9.331489999999999
12 h after dark	9.374433333333332	9.347439999999999	9.40664