condition	mean	min	max
4 h after light	1282.8	1282.8	1282.8
8 h after light	1297.35	1151.1	1443.6
12 h after light	1238.1	1003.3	1472.9
4 h after dark	960.3	939.9	980.7
8 h after dark	976.35	916.5	1036.2
12 h after dark	977.7	930.1	1025.3