condition	mean	min	max
4 h after light	7939.5	7939.5	7939.5
8 h after light	6746.1	5576.4	7915.8
12 h after light	6473.55	5732.8	7214.3
4 h after dark	7513.85	6476.1	8551.6
8 h after dark	9163.7	9021.2	9306.2
12 h after dark	8819.5	7708.0	9931.0