condition	mean	min	max
4 h after light	11.58605	10.237	12.9351
8 h after light	14.327549999999999	13.5285	15.1266
12 h after light	8.648710000000001	8.41986	8.87756
4 h after dark	5.648244999999999	5.52626	5.77023
8 h after dark	3.33467	3.16113	3.50821
12 h after dark	6.101145000000001	5.93165	6.27064