condition	mean	min	max
0 h after light	7.56053	7.12576	7.9953
4 h after light	8.645430000000001	8.48372	8.80714
8 h after light	22.2581	21.1664	23.3498
4 h after dark	22.86905	21.8018	23.9363
8 h after dark	13.406649999999999	11.3361	15.4772
12 h after dark	7.615130000000001	5.97918	9.25108