Month Average Price Per Short Ton In Dollars 1920-01-01 8.81000 1920-06-01 10.1900 1920-07-01 10.5500 1920-08-01 11.0400 1920-09-01 12.1200 1920-10-01 12.5000 1920-11-01 12.5300 1920-12-01 12.3000 1921-01-01 11.8200 1921-02-01 11.4100 1921-03-01 11.1500 1921-04-01 10.5800 1921-05-01 10.4000 1921-06-01 10.3900 1921-07-01 10.4700 1921-08-01 10.4700 1921-09-01 10.4700 1921-10-01 10.4100 1921-11-01 10.3400 1921-12-01 10.2800 1922-01-01 9.89000 1922-02-01 9.71000 1922-03-01 9.72000 1922-04-01 9.62000 1922-05-01 9.50000 1922-06-01 9.48000 1922-07-01 9.49000 1922-09-01 11.0800 1922-10-01 11.2600 1922-11-01 11.3100 1922-12-01 11.2300 1923-01-01 11.1800 1923-02-01 11.1400 1923-03-01 11.0300 1923-04-01 10.4600 1923-05-01 10.0800 1923-06-01 10.0400 1923-07-01 10.0400 1923-08-01 9.95000 1923-09-01 9.99000 1923-10-01 10.1100 1923-11-01 10.0500 1923-12-01 9.93000 1924-01-01 9.75000 1924-02-01 9.80000 1924-03-01 9.53000 1924-04-01 9.11000 1924-05-01 8.88000 1924-06-01 8.84000 1924-07-01 8.94000 1924-08-01 8.63000 1924-09-01 8.88000 1924-10-01 9.20000 1924-11-01 9.30000 1924-12-01 9.28000 1925-01-01 9.24000 1925-02-01 9.36000 1925-03-01 9.16000 1925-04-01 8.75000 1925-05-01 8.63000 1925-06-01 8.61000 1925-07-01 8.61000 1925-08-01 8.69000 1925-09-01 9.11000 1925-10-01 9.24000 1925-11-01 9.71000 1925-12-01 9.74000 1926-01-01 9.74000 1926-02-01 9.72000 1926-03-01 9.25000 1926-04-01 9.11000 1926-05-01 8.76000 1926-06-01 8.67000 1926-07-01 8.70000 1926-08-01 8.81000 1926-09-01 9.25000 1926-10-01 9.59000 1926-11-01 10.2400 1926-12-01 10.1500 1927-01-01 9.96000 1927-02-01 9.86000 1927-03-01 9.74000 1927-04-01 8.95000 1927-05-01 8.88000 1927-06-01 8.89000 1927-07-01 8.91000 1927-08-01 8.99000 1927-09-01 9.20000 1927-10-01 9.33000 1927-11-01 9.32000 1927-12-01 9.31000 1928-01-01 9.30000 1928-02-01 9.28000 1928-03-01 9.26000 1928-04-01 8.94000 1928-05-01 8.69000 1928-06-01 8.72000 1928-07-01 8.69000 1928-08-01 8.74000 1928-09-01 8.84000 1928-10-01 8.96000 1928-11-01 9.07000 1928-12-01 9.11000 1929-01-01 9.09000 1929-02-01 9.07000 1929-03-01 9.06000 1929-04-01 8.76000 1929-05-01 8.52000 1929-06-01 8.50000 1929-07-01 8.62000 1929-08-01 8.69000 1929-09-01 8.87000 1929-10-01 8.98000 1929-11-01 9.00000 1929-12-01 9.05000 1930-01-01 9.11000 1930-02-01 9.04000 1930-03-01 9.02000 1930-04-01 8.84000 1930-05-01 8.53000 1930-06-01 8.54000 1930-07-01 8.65000 1930-08-01 8.70000 1930-09-01 8.79000 1930-10-01 8.88000 1930-11-01 8.94000 1930-12-01 8.94000 1931-01-01 8.87000 1931-02-01 8.83000 1931-03-01 8.71000 1931-04-01 8.46000 1931-05-01 8.04000 1931-06-01 8.00000 1931-07-01 8.09000 1931-08-01 8.11000 1931-09-01 8.17000 1931-10-01 8.22000 1931-11-01 8.23000 1931-12-01 8.19000 1932-01-01 8.17000 1932-02-01 8.14000 1932-03-01 8.01000 1932-04-01 7.85000 1932-05-01 7.60000 1932-06-01 7.53000 1932-07-01 7.50000 1932-08-01 7.52000 1932-09-01 7.54000 1932-10-01 7.60000 1932-11-01 7.59000 1932-12-01 7.51000 1933-01-01 7.46000 1933-02-01 7.45000 1933-03-01 7.43000 1933-04-01 7.37000 1933-05-01 7.17000 1933-06-01 7.18000 1933-07-01 7.64000 1933-08-01 7.77000 1933-09-01 7.94000 1933-10-01 8.08000 1933-11-01 8.18000 1933-12-01 8.18000 1934-01-01 8.24000 1934-02-01 8.22000 1934-03-01 8.23000 1934-04-01 8.18000 1934-05-01 8.13000 1934-06-01 8.18000 1934-07-01 8.23000 1934-08-01 8.30000 1934-09-01 8.31000 1934-10-01 8.35000 1934-11-01 8.35000 1934-12-01 8.36000 1935-01-01 8.37000 1935-02-01 8.39000 1935-03-01 8.39000 1935-04-01 8.24000 1935-05-01 8.11000 1935-06-01 8.05000 1935-09-01 8.41000 1935-12-01 8.58000 1936-03-01 8.57000 1936-06-01 8.13000 1936-09-01 8.35000 1936-12-01 8.53000 1937-03-01 8.61000 1937-06-01 8.39000 1937-09-01 8.60000 1937-12-01 8.72000 1938-03-01 8.83000 1938-06-01 8.38000 1938-09-01 8.54000 1938-12-01 8.68000 1939-03-01 8.68000 1939-06-01 8.29000 1939-09-01 8.45000 1939-12-01 8.68000 1940-03-01 8.65000 1940-06-01 8.36000 1940-09-01 8.54000 1940-10-01 8.75000 1940-11-01 8.84000 1940-12-01 8.86000 1941-01-01 8.87000 1941-02-01 8.87000 1941-03-01 8.88000 1941-04-01 8.86000 1941-05-01 8.85000 1941-06-01 8.89000 1941-07-01 9.06000 1941-08-01 9.24000 1941-09-01 9.34000 1941-10-01 9.42000 1941-11-01 9.47000 1941-12-01 9.50000 1942-01-01 9.52000 1942-02-01 9.51000 1942-03-01 9.52000 1942-04-01 9.43000 1942-05-01 9.46000 1942-06-01 9.49000 1942-07-01 9.52000 1942-08-01 9.52000 1942-09-01 9.54000 1942-10-01 9.54000 1942-11-01 9.55000 1942-12-01 9.56000 1943-01-01 9.63000 1943-02-01 9.68000 1943-03-01 9.82000 1943-04-01 9.86000 1943-05-01 9.99000 1943-06-01 9.98000 1943-07-01 10.0100 1943-08-01 10.0200 1943-09-01 10.0200 1943-10-01 10.0300 1943-11-01 10.0300 1943-12-01 10.1700 1944-01-01 10.1900 1944-02-01 10.2200 1944-03-01 10.2200 1944-04-01 10.2400 1944-05-01 10.2700 1944-06-01 10.2800 1944-07-01 10.2900