condition	mean	min	max
4 h after light	14.077200000000001	12.9341	15.2203
8 h after light	9.096350000000001	7.5159	10.6768
12 h after light	7.642085	7.34305	7.94112
4 h after dark	10.811166666666667	10.0598	12.0086
8 h after dark	14.6303	13.0939	16.1493
12 h after dark	12.447166666666666	11.7656	13.26