condition	mean	min	max
4 h after light	3.016705	2.40997	3.62344
8 h after light	4.535305	4.34504	4.72557
12 h after light	5.95685	5.76559	6.14811
4 h after dark	5.78158	5.32096	6.11397
8 h after dark	4.882516666666667	4.63627	5.08433
12 h after dark	3.69008	3.249	4.21136