condition	mean	min	max
0 h after light	9.824349999999999	9.70782	9.94088
4 h after light	7.815795	7.43725	8.19434
8 h after light	11.403035	9.80767	12.9984
4 h after dark	15.35495	13.5303	17.1796
8 h after dark	8.87575	8.04673	9.70477
12 h after dark	10.552800000000001	10.0592	11.0464