condition	mean	min	max
0 h after light	8.65053	8.35085	8.95021
4 h after light	7.00085	6.40203	7.59967
8 h after light	9.736765	8.70883	10.7647
4 h after dark	10.25469	9.86748	10.6419
8 h after dark	9.1777	9.0741	9.2813
12 h after dark	7.01781	6.83509	7.20053