condition	mean	min	max
3 h after light	12.1184	10.0513	14.1545
6 h after light	13.2924	11.341	15.096
9 h after light	16.1855	13.97	18.0408
12 h after light	18.047775	10.6199	21.8758
3 h after dark	20.75583333333333	19.3437	21.9973
6 h after dark	14.4237	13.2569	15.6895
9 h after dark	10.735683333333332	9.43792	13.2617
12 h after dark	6.2606	6.02528	6.49592