condition	mean	min	max
4 h after light	3934.5526165	3303.732057	4565.373176
8 h after light	4010.3859565	3651.129825	4369.642088
12 h after light	5501.3924175	3931.607119	7071.177716
4 h after dark	4228.0041705	3579.173731	4876.83461
8 h after dark	6209.0812655	3918.723065	8499.439466
12 h after dark	3774.588782	3774.588782	3774.588782