Month Cents Per Pound 1918-01-01 17.6000 1918-02-01 17.5000 1918-03-01 17.5000 1918-04-01 17.5000 1918-05-01 17.4000 1918-06-01 17.2000 1918-07-01 17.8000 1918-08-01 18.7000 1918-09-01 19.5000 1918-10-01 20.0000 1918-11-01 19.3000 1918-12-01 14.9000 1919-01-01 11.0000 1919-02-01 10.1000 1919-03-01 10.3000 1919-04-01 12.6000 1919-05-01 14.9000 1919-06-01 16.0000 1919-07-01 20.5000 1919-08-01 19.3000 1919-09-01 17.0000 1919-10-01 18.7000 1919-11-01 17.2000 1919-12-01 16.2000 1920-01-01 18.0000 1920-02-01 16.0000 1920-03-01 16.1000 1920-04-01 15.7000 1920-05-01 14.1000 1920-06-01 12.0000 1920-07-01 12.2000 1920-08-01 12.8000 1920-09-01 13.4000 1920-10-01 12.0000 1920-11-01 8.70000 1920-12-01 6.60000 1921-01-01 6.80000 1921-02-01 6.50000 1921-03-01 5.80000 1921-04-01 5.60000 1921-05-01 6.00000 1921-06-01 5.50000 1921-07-01 5.60000 1921-08-01 6.60000 1921-09-01 7.30000 1921-10-01 7.30000 1921-11-01 6.90000 1921-12-01 6.60000 1922-01-01 6.60000 1922-02-01 6.60000 1922-03-01 7.10000 1922-04-01 6.90000 1922-05-01 6.70000 1922-06-01 6.60000 1922-07-01 6.60000 1922-08-01 6.80000 1922-09-01 6.90000 1922-10-01 7.60000 1922-11-01 8.20000 1922-12-01 8.20000 1923-01-01 9.00000 1923-02-01 9.10000 1923-03-01 9.50000 1923-04-01 9.10000 1923-05-01 8.30000 1923-06-01 7.30000 1923-07-01 6.90000 1923-08-01 7.00000 1923-09-01 8.10000 1923-10-01 8.40000 1923-11-01 8.40000 1923-12-01 8.00000 1924-01-01 8.50000 1924-02-01 8.10000 1924-03-01 8.10000 1924-04-01 7.60000 1924-05-01 7.30000 1924-06-01 6.90000 1924-07-01 7.80000 1924-08-01 8.90000 1924-09-01 9.00000 1924-10-01 9.60000 1924-11-01 9.80000 1924-12-01 10.1000 1925-01-01 10.4000 1925-02-01 9.40000 1925-03-01 9.80000 1925-04-01 9.30000 1925-05-01 9.10000 1925-06-01 9.40000 1925-07-01 9.70000 1925-08-01 10.1000 1925-09-01 9.90000 1925-10-01 9.90000 1925-11-01 9.80000 1925-12-01 10.0000 1926-01-01 10.0000 1926-02-01 9.80000 1926-03-01 9.60000 1926-04-01 8.60000 1926-05-01 8.60000 1926-06-01 9.30000 1926-07-01 8.60000 1926-08-01 8.40000 1926-09-01 8.60000 1926-10-01 8.20000 1926-11-01 7.40000 1926-12-01 7.30000 1927-01-01 7.30000 1927-02-01 7.80000 1927-03-01 7.90000 1927-04-01 7.70000 1927-05-01 7.80000 1927-06-01 7.90000 1927-07-01 7.80000 1927-08-01 7.80000 1927-09-01 8.50000 1927-10-01 8.90000 1927-11-01 9.10000 1927-12-01 8.90000 1928-01-01 8.90000 1928-02-01 8.50000 1928-03-01 8.50000 1928-04-01 8.80000 1928-05-01 8.60000 1928-06-01 8.50000 1928-07-01 8.40000 1928-08-01 8.40000 1928-09-01 8.90000 1928-10-01 9.30000 1928-11-01 9.40000 1928-12-01 9.40000 1929-01-01 9.20000 1929-02-01 9.40000 1929-03-01 9.00000 1929-04-01 8.30000 1929-05-01 8.10000 1929-06-01 7.90000 1929-07-01 7.80000 1929-08-01 8.40000 1929-09-01 8.50000 1929-10-01 8.60000 1929-11-01 8.40000 1929-12-01 8.10000 1930-01-01 7.80000 1930-02-01 7.40000 1930-03-01 6.90000 1930-04-01 6.90000 1930-05-01 6.40000 1930-06-01 5.80000 1930-07-01 5.70000 1930-08-01 5.90000 1930-09-01 5.80000 1930-10-01 5.50000 1930-11-01 5.10000 1930-12-01 5.20000 1931-01-01 5.00000 1931-02-01 4.10000 1931-03-01 4.40000 1931-04-01 4.60000 1931-05-01 4.10000 1931-06-01 3.60000 1931-07-01 3.60000 1931-08-01 3.30000 1931-09-01 3.30000 1931-10-01 3.70000 1931-11-01 4.10000 1931-12-01 3.80000 1932-01-01 3.50000 1932-02-01 3.50000 1932-03-01 3.20000 1932-04-01 2.90000 1932-05-01 2.80000 1932-06-01 2.70000 1932-07-01 2.90000 1932-08-01 3.50000 1932-09-01 3.60000 1932-10-01 3.50000 1932-11-01 3.10000 1932-12-01 2.90000 1933-01-01 2.80000 1933-02-01 2.60000 1933-03-01 2.70000 1933-04-01 2.90000 1933-05-01 4.00000 1933-06-01 4.30000 1933-07-01 4.00000 1933-08-01 3.90000 1933-09-01 3.50000 1933-10-01 3.50000 1933-11-01 3.50000 1933-12-01 3.20000 1934-01-01 3.10000 1934-02-01 3.30000 1934-03-01 3.60000 1934-04-01 3.60000 1934-05-01 3.80000 1934-06-01 3.60000 1934-07-01 4.00000 1934-08-01 4.60000 1934-09-01 4.90000 1934-10-01 5.20000 1934-11-01 5.10000 1934-12-01 5.30000 1935-01-01 6.10000 1935-02-01 6.70000 1935-03-01 7.10000 1935-04-01 7.00000 1935-05-01 7.40000 1935-06-01 7.30000 1935-07-01 6.60000 1935-08-01 6.80000 1935-09-01 7.10000 1935-10-01 7.40000 1935-11-01 7.20000 1935-12-01 7.30000 1936-01-01 6.80000 1936-02-01 6.30000 1936-03-01 6.10000 1936-04-01 5.60000 1936-05-01 4.60000 1936-06-01 5.30000 1936-07-01 6.30000 1936-08-01 6.60000 1936-09-01 7.30000 1936-10-01 7.20000 1936-11-01 7.80000 1936-12-01 8.40000 1937-01-01 9.40000 1937-02-01 9.50000 1937-03-01 9.40000 1937-04-01 9.20000 1937-05-01 8.70000 1937-06-01 8.70000 1937-07-01 8.70000 1937-08-01 8.10000 1937-09-01 7.70000 1937-10-01 7.00000 1937-11-01 6.60000 1937-12-01 6.10000 1938-01-01 6.40000 1938-02-01 6.30000 1938-03-01 6.00000 1938-04-01 5.30000 1938-05-01 5.00000 1938-06-01 5.00000 1938-07-01 5.50000 1938-08-01 5.60000 1938-09-01 5.40000 1938-10-01 5.40000 1938-11-01 5.40000 1938-12-01 5.40000 1939-01-01 5.40000 1939-02-01 5.40000 1939-03-01 5.60000 1939-04-01 5.30000 1939-05-01 5.30000 1939-06-01 5.20000 1939-07-01 4.80000 1939-08-01 4.30000 1939-09-01 6.20000 1939-10-01 6.20000 1939-11-01 5.90000 1939-12-01 5.50000 1940-01-01 5.50000 1940-02-01 5.40000 1940-03-01 4.90000 1940-04-01 4.80000 1940-05-01 4.80000 1940-06-01 4.60000 1940-07-01 4.10000 1940-08-01 3.40000 1940-09-01 3.70000 1940-10-01 3.80000 1940-11-01 4.50000 1940-12-01 4.60000 1941-01-01 5.00000 1941-02-01 4.90000 1941-03-01 5.60000 1941-04-01 7.20000 1941-05-01 8.10000 1941-06-01 7.90000 1941-07-01 8.00000 1941-08-01 8.10000 1941-09-01 8.70000 1941-10-01 9.00000 1941-11-01 8.80000 1941-12-01 9.00000 1942-01-01 9.30000 1942-02-01 9.60000 1942-03-01 9.70000 1942-04-01 9.70000 1942-05-01 9.70000 1942-06-01 9.70000 1942-07-01 9.30000 1942-08-01 8.60000 1942-09-01 8.60000 1942-10-01 8.60000 1942-11-01 8.60000 1942-12-01 8.60000 1943-01-01 8.60000 1943-02-01 8.60000 1943-03-01 8.60000 1943-04-01 8.60000 1943-05-01 8.60000 1943-06-01 8.60000 1943-07-01 8.60000 1943-08-01 8.60000 1943-09-01 8.60000 1943-10-01 8.60000 1943-11-01 8.60000 1943-12-01 8.60000 1944-01-01 8.60000 1944-02-01 8.60000 1944-03-01 8.60000 1944-04-01 8.60000 1944-05-01 8.60000 1944-06-01 8.60000 1944-07-01 8.60000 1944-08-01 8.60000 1944-09-01 8.60000 1944-10-01 8.60000 1944-11-01 8.60000 1944-12-01 8.60000 1945-01-01 8.60000 1945-02-01 8.60000 1945-03-01 8.60000 1945-04-01 8.60000 1945-05-01 8.60000 1945-06-01 8.60000 1945-07-01 8.60000 1945-08-01 8.60000 1945-09-01 8.60000 1945-10-01 8.60000 1945-11-01 8.60000 1945-12-01 8.60000 1946-01-01 8.60000 1946-02-01 8.60000 1946-03-01 8.60000 1946-04-01 8.60000 1946-05-01 8.60000 1946-06-01 8.60000 1946-07-01 12.2000 1946-08-01 8.60000 1946-09-01 8.60000 1946-10-01 10.4000 1946-11-01 21.2000 1946-12-01 21.8000 1947-01-01 21.8000 1947-02-01 22.6000 1947-03-01 26.6000 1947-04-01 23.3000 1947-05-01 14.3000 1947-06-01 12.5000 1947-07-01 12.0000 1947-08-01 11.8000 1947-09-01 16.9000 1947-10-01 21.6000 1947-11-01 25.4000 1947-12-01 22.2000 1948-01-01 24.7000 1948-02-01 18.8000 1948-03-01 19.4000 1948-04-01 17.5000 1948-05-01 13.8000 1948-06-01 15.9000 1948-07-01 16.1000 1948-08-01 13.6000 1948-09-01 13.4000 1948-10-01 13.0000 1948-11-01 13.9000 1948-12-01 12.2000 1949-01-01 9.30000 1949-02-01 8.00000 1949-03-01 6.40000 1949-04-01 5.10000 1949-05-01 5.60000 1949-06-01 5.60000 1949-07-01 5.40000 1949-08-01 6.90000 1949-09-01 6.40000 1949-10-01 6.00000 1949-11-01 5.90000 1949-12-01 5.90000 1950-01-01 6.50000 1950-02-01 6.20000 1950-03-01 6.30000 1950-04-01 6.10000 1950-05-01 5.90000 1950-06-01 5.10000 1950-07-01 6.80000 1950-08-01 8.70000 1950-09-01 12.4000 1950-10-01 12.4000 1950-11-01 13.5000 1950-12-01 15.5000 1951-01-01 17.2000 1951-02-01 17.8000 1951-03-01 15.7000 1951-04-01 14.8000 1951-05-01 14.7000 1951-06-01 12.9000 1951-07-01 9.40000 1951-08-01 9.00000 1951-09-01 9.60000 1951-10-01 9.10000 1951-11-01 8.00000 1951-12-01 7.20000 1952-01-01 6.60000 1952-02-01 5.70000 1952-03-01 5.30000 1952-04-01 4.70000 1952-05-01 5.60000 1952-06-01 6.30000 1952-07-01 5.70000 1952-08-01 5.50000 1952-09-01 5.50000 1952-10-01 5.00000 1952-11-01 4.90000 1952-12-01 4.70000 1953-01-01 4.50000 1953-02-01 3.90000 1953-03-01 4.40000 1953-04-01 4.30000 1953-05-01 3.90000 1953-06-01 3.60000 1953-07-01 3.70000 1953-08-01 3.90000 1953-09-01 4.50000 1953-10-01 4.50000 1953-11-01 5.60000 1953-12-01 5.80000 1954-01-01 6.50000 1954-02-01 7.40000 1954-03-01 7.20000 1954-04-01 6.90000 1954-05-01 6.80000 1954-06-01 6.20000 1954-07-01 5.50000 1954-08-01 5.90000 1954-09-01 6.30000 1954-10-01 6.70000 1954-11-01 7.10000 1954-12-01 7.30000 1955-01-01 7.80000 1955-02-01 7.70000 1955-03-01 6.60000 1955-04-01 6.70000 1955-05-01 6.40000 1955-06-01 6.50000 1955-07-01 7.10000 1955-08-01 7.20000 1955-09-01 7.40000 1955-10-01 7.80000 1955-11-01 7.80000 1955-12-01 7.50000 1956-01-01 7.20000 1956-02-01 6.60000 1956-03-01 6.60000 1956-04-01 6.80000 1956-05-01 6.90000 1956-06-01 6.30000 1956-07-01 6.20000 1956-08-01 6.30000 1956-09-01 6.70000 1956-10-01 6.80000 1956-11-01 7.00000 1956-12-01 7.00000 1957-01-01 6.80000 1957-02-01 6.80000 1957-03-01 6.80000 1957-04-01 6.80000 1957-05-01 7.00000 1957-06-01 7.30000 1957-07-01 7.60000 1957-08-01 7.80000 1957-09-01 7.90000 1957-10-01 8.00000 1957-11-01 8.00000 1957-12-01 7.90000