condition	mean	min	max
4 h after light	3.742515	3.47853	4.0065
8 h after light	3.599095	3.32095	3.87724
12 h after light	3.608155	2.92148	4.29483
4 h after dark	6.98112	3.75934	10.2029
8 h after dark	9.671255	8.12781	11.2147
12 h after dark	9.67651	9.11762	10.2354