condition	mean	min	max
4 h after light	3540.4107235	2941.68892	4139.132527
8 h after light	2293.1444899999997	1919.300061	2666.988919
12 h after light	3123.962826	2935.693595	3312.232057
4 h after dark	2619.874385	2380.157413	2859.591357
8 h after dark	2183.887363	1492.24578	2875.528946
12 h after dark	4287.225232	4287.225232	4287.225232