condition	mean	min	max
0 h after light	6.236015	4.99415	7.47788
4 h after light	7.414154999999999	7.30193	7.52638
8 h after light	7.734085	7.45344	8.01473
4 h after dark	8.586405	7.95625	9.21656
8 h after dark	7.243675	6.75105	7.7363
12 h after dark	6.628935	5.47888	7.77899