condition	mean	min	max
4 h after light	9.532974	8.641571	10.424377
8 h after light	8.5822515	8.387326	8.777177
12 h after light	10.004810500000001	9.853657	10.155964
4 h after dark	8.272221	8.02911	8.515332
8 h after dark	8.923299	8.907005	8.939593
12 h after dark	8.948263	8.948263	8.948263