condition	mean	min	max
4 h after light	4765.2	4765.2	4765.2
8 h after light	4887.5	4651.8	5123.2
12 h after light	4753.05	4616.6	4889.5
4 h after dark	4422.75	4390.0	4455.5
8 h after dark	3644.8	3601.8	3687.8
12 h after dark	3960.45	3860.8	4060.1