condition	mean	min	max
4 h after light	4078.0	4078.0	4078.0
8 h after light	4184.1	4178.5	4189.7
12 h after light	4753.3	4247.3	5259.3
4 h after dark	4050.2	3918.9	4181.5
8 h after dark	3843.2	3293.1	4393.3
12 h after dark	3814.6	3373.5	4255.7