condition	mean	min	max
4 h after light	8.769951500000001	8.088157	9.451746
8 h after light	8.854119	8.759975	8.948263
12 h after light	9.0763815	8.78388	9.368883
4 h after dark	8.66395	8.46961	8.85829
8 h after dark	11.439154	10.669166	12.209142
12 h after dark	8.428228	8.428228	8.428228