condition	mean	min	max
0 h after light	15.311250000000001	15.2512	15.3713
4 h after light	11.1845	11.1601	11.2089
8 h after light	7.483605	7.33918	7.62803
4 h after dark	9.203444999999999	8.04619	10.3607
8 h after dark	11.83145	10.5926	13.0703
12 h after dark	13.664100000000001	12.7027	14.6255