condition	mean	min	max
4 h after light	9.101660500000001	8.685695	9.517626
8 h after light	9.743435000000002	8.948263	10.538607
12 h after light	9.142283500000001	8.918139	9.366428
4 h after dark	8.272413	8.246853	8.297973
8 h after dark	8.0817855	7.944484	8.219087
12 h after dark	7.797729	7.797729	7.797729