condition	mean	min	max
4 h after light	3.904235	2.95097	4.8575
8 h after light	3.446345	3.41344	3.47925
12 h after light	5.158815000000001	5.14961	5.16802
4 h after dark	8.546453333333334	7.95654	9.2826
8 h after dark	7.55403	6.97551	8.49738
12 h after dark	4.041259999999999	3.55203	4.63272