condition	mean	min	max
4 h after light	9.2112305	8.994656	9.427805
8 h after light	7.867884	7.734599	8.001169
12 h after light	6.9822245	6.644181	7.320268
4 h after dark	7.4860575	6.970946	8.001169
8 h after dark	9.126923999999999	8.804428	9.44942
12 h after dark	6.97977	6.97977	6.97977