condition	mean	min	max
4 h after light	15.75045	15.2623	16.2386
8 h after light	8.096735	7.97136	8.22211
12 h after light	10.432525	9.90045	10.9646
4 h after dark	14.1425	12.0147	15.3764
8 h after dark	12.052999999999999	10.9001	13.1154
12 h after dark	15.121433333333332	11.9277	16.8355