condition	mean	min	max
3 h after light	9.63882	9.12248	10.2344
6 h after light	7.5305	6.90252	7.9391
9 h after light	8.227626666666666	7.45522	9.37032
12 h after light	12.400383333333334	8.82825	15.605
3 h after dark	18.4898	17.9777	18.8286
6 h after dark	14.501733333333334	12.8474	16.3256
9 h after dark	11.585989999999999	9.62867	13.7038
12 h after dark	8.374633333333334	7.37415	10.0752