condition	mean	min	max
4 h after light	3530.0	3530.0	3530.0
8 h after light	2793.2	1941.9	3644.5
12 h after light	2033.0	1938.1	2127.9
4 h after dark	4123.35	1913.7	6333.0
8 h after dark	5927.25	5103.3	6751.2
12 h after dark	4873.0	4426.1	5319.9