condition	mean	min	max
4 h after light	7470.0	7470.0	7470.0
8 h after light	8281.35	6920.2	9642.5
12 h after light	4636.3	1140.2	8132.4
4 h after dark	5329.8	1082.6	9577.0
8 h after dark	8516.4	5278.0	11754.8
12 h after dark	4057.25	2218.7	5895.8