Month Days 1895-01-01 5.56000 1895-02-01 5.70000 1895-03-01 5.59000 1895-04-01 5.39000 1895-05-01 5.74000 1895-06-01 5.43000 1895-07-01 5.61000 1895-08-01 5.60000 1895-09-01 5.58000 1895-10-01 5.59000 1895-11-01 5.73000 1895-12-01 5.57000 1896-01-01 5.70000 1896-02-01 5.86000 1896-03-01 5.78000 1896-04-01 5.65000 1896-05-01 5.76000 1896-06-01 5.59000 1896-07-01 5.70000 1896-08-01 5.62000 1896-09-01 5.78000 1896-10-01 5.73000 1896-11-01 5.84000 1896-12-01 5.65000 1897-01-01 5.72000 1897-02-01 5.86000 1897-03-01 5.82000 1897-04-01 5.66000 1897-05-01 5.87000 1897-06-01 5.72000 1897-07-01 5.78000 1897-08-01 5.65000 1897-09-01 5.79000 1897-10-01 5.88000 1897-11-01 5.84000 1897-12-01 5.58000 1898-01-01 5.59000 1898-02-01 5.79000 1898-03-01 5.89000 1898-04-01 5.62000 1898-05-01 5.76000 1898-06-01 5.68000 1898-07-01 5.71000 1898-08-01 5.76000 1898-09-01 5.82000 1898-10-01 5.73000 1898-11-01 5.80000 1898-12-01 5.82000 1899-01-01 5.49000 1899-02-01 5.86000 1899-03-01 5.89000 1899-04-01 5.59000 1899-05-01 5.83000 1899-06-01 5.86000 1899-07-01 5.72000 1899-08-01 5.74000 1899-09-01 5.83000 1899-10-01 5.80000 1899-11-01 5.79000 1899-12-01 5.75000 1900-01-01 5.35000 1900-02-01 5.55000 1900-03-01 5.71000 1900-04-01 5.64000 1900-05-01 5.79000 1900-06-01 5.54000 1900-07-01 5.52000 1900-08-01 5.55000 1900-09-01 5.80000 1900-10-01 5.78000 1900-11-01 5.74000 1900-12-01 5.83000 1901-01-01 5.20000 1901-02-01 5.39000 1901-03-01 5.55000 1901-04-01 5.37000 1901-05-01 5.65000 1901-06-01 5.55000 1901-07-01 5.58000 1901-08-01 5.62000 1901-09-01 5.76000 1901-10-01 5.75000 1901-11-01 5.72000 1901-12-01 5.77000 1902-01-01 5.53000 1902-02-01 5.74000 1902-03-01 5.79000 1902-04-01 5.67000 1902-05-01 5.72000 1902-06-01 5.88000 1902-07-01 5.68000 1902-08-01 5.69000 1902-09-01 5.81000 1902-10-01 5.78000 1902-11-01 5.81000 1902-12-01 5.76000 1903-01-01 5.55000 1903-02-01 5.79000 1903-03-01 5.79000 1903-04-01 5.61000 1903-05-01 5.78000 1903-06-01 5.69000 1903-07-01 5.69000 1903-08-01 5.76000 1903-09-01 5.78000 1903-10-01 5.73000 1903-11-01 5.74000 1903-12-01 5.77000 1904-01-01 5.37000 1904-02-01 5.79000 1904-03-01 5.83000 1904-04-01 5.67000 1904-05-01 5.90000 1904-06-01 5.91000 1904-07-01 5.73000 1904-08-01 5.77000 1904-09-01 5.89000 1904-10-01 5.90000 1904-11-01 5.88000 1904-12-01 5.87000 1905-01-01 5.41000 1905-02-01 5.90000 1905-03-01 5.84000 1905-04-01 5.71000 1905-05-01 5.85000 1905-06-01 5.62000 1905-07-01 5.72000 1905-08-01 5.73000 1905-09-01 5.87000 1905-10-01 5.85000 1905-11-01 5.81000 1905-12-01 5.88000 1906-01-01 5.38000 1906-02-01 5.86000 1906-03-01 5.85000 1906-04-01 5.63000 1906-05-01 5.79000 1906-06-01 5.71000 1906-07-01 5.73000 1906-08-01 5.77000 1906-09-01 5.89000 1906-10-01 5.90000 1906-11-01 5.89000 1906-12-01 5.92000 1907-01-01 5.75000 1907-02-01 5.88000 1907-03-01 5.82000 1907-04-01 5.67000 1907-05-01 5.88000 1907-06-01 5.86000 1907-07-01 5.76000 1907-08-01 5.78000 1907-09-01 5.92000 1907-10-01 5.82000 1907-11-01 5.78000 1907-12-01 5.82000 1908-01-01 5.30000 1908-02-01 5.78000 1908-03-01 5.76000 1908-04-01 5.54000 1908-05-01 5.74000 1908-06-01 5.57000 1908-07-01 5.62000 1908-08-01 5.71000 1908-09-01 5.82000 1908-10-01 5.83000 1908-11-01 5.81000 1908-12-01 5.75000 1909-01-01 5.58000 1909-02-01 5.87000 1909-03-01 5.82000 1909-04-01 5.60000 1909-05-01 5.82000 1909-06-01 5.65000 1909-07-01 5.73000 1909-08-01 5.78000 1909-09-01 5.93000 1909-10-01 5.81000 1909-11-01 5.83000 1909-12-01 5.75000 1910-01-01 5.65000 1910-02-01 5.94000 1910-03-01 5.90000 1910-04-01 5.95000 1910-05-01 5.46000 1910-06-01 5.90000 1910-07-01 5.32000 1910-08-01 5.89000 1910-09-01 5.86000 1910-10-01 5.76000 1910-11-01 5.83000 1910-12-01 5.75000 1911-01-01 5.90000 1911-02-01 5.88000 1911-03-01 5.97000 1911-04-01 5.83000 1911-05-01 5.89000 1911-06-01 5.54000 1911-07-01 5.70000 1911-08-01 4.70000 1911-09-01 5.76000 1911-10-01 5.85000 1911-11-01 5.88000 1911-12-01 5.77000 1912-01-01 5.72000 1912-02-01 5.61000 1912-03-01 3.01000 1912-04-01 4.11000 1912-05-01 5.43000 1912-06-01 5.60000 1912-07-01 5.74000 1912-08-01 5.81000 1912-09-01 5.94000 1912-10-01 5.89000 1912-11-01 5.83000 1912-12-01 5.24000 1913-01-01 5.70000 1913-02-01 5.84000 1913-03-01 5.79000 1913-04-01 5.91000 1913-05-01 5.79000 1913-06-01 5.84000 1913-07-01 5.65000 1913-08-01 5.90000 1913-09-01 5.91000 1913-10-01 5.89000 1913-11-01 5.74000 1913-12-01 5.70000 1914-01-01 5.75000 1914-02-01 5.75000 1914-03-01 5.73000 1914-04-01 5.63000 1914-05-01 5.71000 1914-06-01 5.74000 1914-07-01 5.53000 1914-08-01 5.81000 1914-09-01 5.82000 1914-10-01 5.69000 1914-11-01 5.87000 1914-12-01 5.76000 1915-01-01 5.92000 1915-02-01 5.90000 1915-03-01 5.91000 1915-04-01 5.96000 1915-05-01 5.88000 1915-06-01 5.77000 1915-07-01 5.62000 1915-08-01 5.76000 1915-09-01 5.90000 1915-10-01 5.88000 1915-11-01 5.80000 1915-12-01 5.66000 1916-01-01 5.77000 1916-02-01 5.83000 1916-03-01 5.73000 1916-04-01 5.79000 1916-05-01 5.87000 1916-06-01 5.79000 1916-07-01 5.90000 1916-08-01 5.92000 1916-09-01 5.83000 1916-10-01 5.73000 1916-11-01 5.76000 1916-12-01 5.82000 1917-01-01 5.90000 1917-02-01 5.88000 1917-03-01 5.94000 1917-04-01 5.95000 1917-05-01 5.89000 1917-06-01 5.76000 1917-07-01 5.85000 1917-08-01 5.94000 1917-09-01 5.90000 1917-10-01 5.87000 1917-11-01 5.96000 1917-12-01 5.94000 1918-01-01 5.90000 1918-02-01 5.98000 1918-03-01 5.92000 1918-04-01 5.94000 1918-05-01 5.96000 1918-06-01 5.88000 1918-07-01 5.86000 1918-08-01 5.97000 1918-09-01 5.91000 1918-10-01 5.55000 1918-11-01 5.69000 1918-12-01 5.91000 1919-01-01 5.80000 1919-02-01 5.88000 1919-03-01 5.82000 1919-04-01 5.81000 1919-05-01 5.85000 1919-06-01 5.54000 1919-07-01 4.73000 1919-08-01 5.78000 1919-09-01 5.87000 1919-10-01 5.74000 1919-11-01 5.81000 1919-12-01 5.79000 1920-01-01 5.76000 1920-02-01 5.89000 1920-03-01 5.91000 1920-04-01 5.61000 1920-05-01 5.92000 1920-06-01 5.95000 1920-07-01 5.47000 1920-08-01 5.88000 1920-09-01 5.92000 1920-11-01 5.28000 1920-12-01 5.81000 1921-01-01 5.04000 1921-02-01 4.13000 1921-03-01 4.32000 1921-08-01 4.57000 1921-09-01 3.96000 1921-10-01 4.15000 1921-11-01 4.60000 1921-12-01 3.74000 1922-01-01 4.21000 1922-02-01 4.93000 1922-03-01 5.07000 1922-04-01 4.76000 1922-05-01 5.05000 1922-06-01 5.09000 1922-07-01 5.10000 1922-08-01 5.25000 1922-09-01 5.17000 1922-10-01 5.44000 1922-11-01 5.58000 1922-12-01 5.61000 1923-01-01 5.53000 1923-02-01 5.34000 1923-03-01 5.53000 1923-04-01 5.46000 1923-05-01 5.68000 1923-06-01 5.39000 1923-07-01 5.35000 1923-08-01 5.32000 1923-09-01 5.16000 1923-10-01 5.24000 1923-11-01 5.12000 1923-12-01 5.76000 1924-01-01 4.75000 1924-02-01 5.11000 1924-03-01 5.48000 1924-04-01 5.61000 1924-05-01 5.36000 1924-06-01 5.42000 1924-07-01 5.43000 1924-08-01 5.28000 1924-09-01 5.40000 1924-10-01 5.45000 1924-11-01 5.30000 1924-12-01 5.56000 1925-01-01 5.63000 1925-02-01 5.76000 1925-03-01 5.65000 1925-04-01 5.49000 1925-05-01 5.34000 1925-06-01 5.38000 1925-07-01 5.30000 1925-08-01 5.10000 1925-09-01 5.39000 1925-10-01 5.65000 1925-11-01 5.46000 1925-12-01 5.47000 1926-01-01 5.83000 1926-02-01 5.78000 1926-03-01 5.86000 1926-04-01 5.70000 1926-05-01 4.03000 1926-06-01 4.73000 1926-07-01 5.20000 1926-08-01 4.77000 1926-09-01 4.88000 1926-10-01 4.96000 1926-11-01 2.71000 1926-12-01 3.63000 1927-01-01 5.34000 1927-02-01 5.74000 1927-03-01 5.78000 1927-04-01 5.71000 1927-05-01 5.56000 1927-06-01 5.45000 1927-07-01 5.37000 1927-08-01 5.25000 1927-09-01 5.43000 1927-10-01 5.18000 1927-11-01 5.17000 1927-12-01 5.62000 1928-01-01 5.43000 1928-02-01 5.69000 1928-03-01 5.83000 1928-04-01 5.83000 1928-05-01 5.78000 1928-06-01 5.67000 1928-07-01 5.75000 1928-08-01 5.56000 1928-09-01 5.45000 1928-10-01 5.41000 1928-11-01 5.49000 1928-12-01 5.54000 1929-01-01 5.40000 1929-02-01 5.61000 1929-03-01 5.43000 1929-04-01 5.81000 1929-05-01 5.88000 1929-06-01 5.70000 1929-07-01 5.98000 1929-08-01 5.93000 1929-09-01 5.92000 1929-10-01 5.87000 1929-11-01 5.70000 1929-12-01 5.56000 1930-01-01 5.55000 1930-02-01 5.59000 1930-03-01 5.62000 1930-04-01 5.52000 1930-05-01 5.40000 1930-06-01 5.33000 1930-07-01 5.40000 1930-08-01 5.35000 1930-09-01 5.41000 1930-10-01 5.33000 1930-11-01 5.17000 1930-12-01 5.25000 1931-01-01 4.84000 1931-02-01 5.10000 1931-03-01 5.05000 1931-04-01 5.10000 1931-05-01 5.13000 1931-06-01 4.67000 1931-07-01 4.79000 1931-08-01 3.76000 1931-09-01 5.23000 1931-10-01 5.40000 1931-11-01 5.36000 1931-12-01 5.59000 1932-01-01 5.16000 1932-02-01 5.04000 1932-03-01 5.24000 1932-04-01 5.07000 1932-05-01 5.26000 1932-06-01 4.88000 1932-07-01 4.55000 1932-08-01 4.17000 1932-09-01 4.30000 1932-10-01 4.61000 1932-11-01 4.96000 1932-12-01 4.96000 1933-01-01 5.04000 1933-02-01 4.93000 1933-03-01 4.60000 1933-04-01 4.75000 1933-05-01 4.77000 1933-06-01 5.13000 1933-07-01 5.17000 1933-08-01 5.05000 1933-09-01 5.21000 1933-10-01 5.27000 1933-11-01 5.51000 1933-12-01 5.51000 1934-01-01 5.52000 1934-02-01 5.63000 1934-03-01 5.41000 1934-04-01 5.31000 1934-05-01 5.45000 1934-06-01 5.37000 1934-07-01 5.38000 1934-08-01 5.35000 1934-09-01 5.36000 1934-10-01 5.31000 1934-11-01 5.29000 1934-12-01 5.36000 1935-01-01 5.43000 1935-02-01 5.41000 1935-03-01 5.43000 1935-04-01 5.47000 1935-05-01 5.70000 1935-06-01 5.71000 1935-07-01 5.67000 1935-08-01 5.63000 1935-09-01 5.44000 1935-10-01 5.81000 1935-11-01 5.85000 1935-12-01 5.59000 1936-01-01 5.69000 1936-02-01 5.63000 1936-03-01 5.84000 1936-04-01 5.85000 1936-05-01 5.81000 1936-06-01 5.88000 1936-07-01 5.75000 1936-08-01 5.62000 1936-09-01 5.88000 1936-10-01 5.79000 1936-11-01 5.55000 1936-12-01 5.82000 1937-01-01 5.75000 1937-02-01 5.94000 1937-03-01 5.87000 1937-04-01 5.75000 1937-05-01 5.85000 1937-06-01 5.90000 1937-07-01 5.84000 1937-08-01 5.84000 1937-09-01 5.86000 1937-10-01 5.91000 1937-11-01 5.90000 1937-12-01 5.95000 1938-01-01 5.94000 1938-02-01 5.95000 1938-03-01 5.70000 1938-04-01 5.88000 1938-05-01 5.74000 1938-06-01 5.22000 1938-07-01 5.01000 1938-08-01 4.50000 1938-09-01 4.47000 1938-10-01 4.97000 1938-11-01 4.94000 1938-12-01 4.74000 1939-01-01 5.59000 1939-02-01 5.49000 1939-03-01 5.04000 1939-04-01 5.46000 1939-05-01 5.37000 1939-06-01 5.64000 1939-07-01 5.80000 1939-08-01 5.95000