condition	mean	min	max
4 h after light	6566.5	6566.5	6566.5
8 h after light	6429.5	5039.8	7819.2
12 h after light	8602.5	6671.8	10533.2
4 h after dark	9859.65	7618.8	12100.5
8 h after dark	9100.75	8995.5	9206.0
12 h after dark	9928.85	8135.0	11722.7