condition	mean	min	max
4 h after light	9.438308	9.146867	9.729749
8 h after light	7.854429	7.284485	8.424373
12 h after light	8.421748000000001	7.617248	9.226248
4 h after dark	8.6995395	8.411416	8.987663
8 h after dark	7.4071265	6.826004	7.988249
12 h after dark	8.003049	8.003049	8.003049