condition	mean	min	max
4 h after light	1181.1	1181.1	1181.1
8 h after light	1115.1	1062.0	1168.2
12 h after light	1018.6	961.7	1075.5
4 h after dark	1027.3	902.4	1152.2
8 h after dark	1157.4	1154.5	1160.3
12 h after dark	1016.25	1000.7	1031.8