condition	mean	min	max
4 h after light	889.0	889.0	889.0
8 h after light	979.3	970.2	988.4
12 h after light	926.55	876.4	976.7
4 h after dark	1182.85	893.2	1472.5
8 h after dark	1251.9	966.5	1537.3
12 h after dark	969.95	964.3	975.6