COSMIC RAY RESEARCH UNIT, POTCHEFSTROOM UNIVERSITY, POTCHEFSTROOM IGY NEUTRON MONITOR, POTCHEFSTROOM, SOUTH AFRICA COORDINATES 26 41 S, 27 06 E ALTITUDE 1351 METERS REAL COUNTS 100 TIMES TABULATED VALUES UNCORRECTED COUNTS DATE DAY UT 01 02 03 04 05 06 07 08 09 10 11 12 DAILY MEANS 13 14 15 16 17 18 19 20 21 22 23 24 1 12 1989 335 1932 1914 1906 1905 1903 1891 1897 1883 1902 1916 1917 1948 1959 1926 1916 1933 1927 1918 1925 1920 1890 1906 1906 1903 1914.3 24 2 12 1989 336 1941 1944 1948 1948 1942 1932 1922 1928 1917 1910 1942 1948 1976 1990 2009 1977 1975 1957 1958 1941 1957 1961 1979 1984 1953.6 24 3 12 1989 337 1979 1976 1975 1967 1962 1952 1950 1955 1962 1956 1958 1987 1982 2003 2010 2014 2005 1994 1990 1974 1999 1974 1976 1971 1978.0 24 4 12 1989 338 1970 1951 1939 1926 1925 1917 1913 1934 1949 1955 1966 1965 1978 1987 2004 1987 1991 1965 1961 1962 1960 1953 1963 1979 1958.3 24 5 12 1989 339 1943 1934 1921 1928 1907 1919 1910 1924 1930 1940 1951 1966 1978 1996 2004 1998 2007 1991 1966 1948 1958 1935 1929 1934 1950.7 24 6 12 1989 340 1929 1932 1930 1930 1916 1921 1909 1923 1924 1935 1945 1948 1954 1968 1978 1971 1958 1948 1932 1901 1915 1911 1899 1895 1932.2 24 7 12 1989 341 1906 1912 1906 1912 1901 1905 1901 1913 1912 1926 1920 1934 1943 1961 1973 1974 1967 1928 1922 1901 1927 1905 1905 1916 1923.8 24 8 12 1989 342 1934 1946 1914 1901 1904 1903 1887 1900 1914 1910 1907 1899 1930 1944 1973 1967 1941 1940 1889 1870 1890 1895 1886 1902 1914.4 24 9 12 1989 343 1902 1887 1908 1902 1921 1914 1916 1923 1919 1935 1945 1962 1964 2000 1993 1982 1934 1893 1889 1928 1908 1903 1894 1919 1926.7 24 10 12 1989 344 1911 1902 1900 1915 1902 1916 1912 1910 1916 1915 1936 1927 1959 1951 1952 1957 1938 1940 1920 1916 1903 1902 1904 1900 1921.0 24 11 12 1989 345 1905 1897 1914 1903 1910 1891 1904 1908 1907 1923 1923 1964 1980 1973 1984 1988 1976 1963 1944 1935 1927 1911 1935 1936 1933.4 24 12 12 1989 346 1944 1966 1932 1943 1956 1942 1936 1946 1948 1963 1964 1984 1998 2012 2016 1998 1991 1980 1968 1961 1958 1951 1958 1958 1965.5 24 13 12 1989 347 1978 1973 1988 1953 1946 1944 1954 1941 1940 1967 1978 1980 2015 2013 2024 1997 1996 1996 1944 1955 1951 1975 1979 1981 1973.7 24 14 12 1989 348 1980 1964 1941 1930 1917 1912 1917 1934 1913 1928 1951 1989 1985 1985 2000 1994 1950 1938 1934 1926 1948 1923 1923 1943 1946.9 24 15 12 1989 349 1927 1933 1928 1931 1915 1918 1905 1908 1912 1932 1924 1919 1943 1955 1941 1949 1936 1932 1923 1917 1895 1903 1900 1893 1922.5 24 16 12 1989 350 1909 1910 1892 1879 1880 1880 1883 1901 1886 1888 1908 1928 1942 1950 1973 1942 1944 1930 1943 1923 1926 1930 1917 1910 1915.6 24 17 12 1989 351 1912 1915 1912 1902 1901 1895 1890 1889 1910 1910 1933 1938 1942 1964 1970 1981 1956 1974 1958 1943 1933 1950 1956 0 1931.9 23 18 12 1989 352 1949 1955 1953 1954 1935 1949 1949 1940 1944 1967 1982 1978 1991 1995 2010 2016 2002 1996 1976 1960 1957 1974 1981 1956 1969.5 24 19 12 1989 353 1974 1967 1963 1958 1953 1942 1946 1966 1978 1986 1997 2038 2018 2039 2054 2054 2043 2034 2042 2026 2027 2028 2029 2025 2003.6 24 20 12 1989 354 2023 2016 2022 2001 2001 1996 1998 2001 1995 2006 2018 2040 2037 2034 2054 2037 2039 2023 2023 2007 2013 2000 2012 2005 2016.7 24 21 12 1989 355 2018 2016 1996 1994 1985 1986 1984 1979 1968 1982 2010 2003 2005 2020 2017 2017 2008 1998 2007 2005 2014 1998 2007 2012 2001.2 24 22 12 1989 356 1980 1977 1962 1957 1945 1932 1926 1940 1929 1940 1948 1961 1983 1952 1935 1969 1956 1969 1946 1956 1949 1960 1948 1933 1952.2 24 23 12 1989 357 1964 1945 1956 1945 1930 1922 1917 1924 1931 1944 1935 1953 1950 1940 1963 1952 1949 1945 1936 1915 1924 1923 1915 1920 1937.4 24 24 12 1989 358 1943 1945 1936 1939 1920 1909 1895 1923 1917 1918 1933 1937 1967 1968 1972 1960 1949 1957 1960 1947 1924 1932 1923 0 1938.0 23 25 12 1989 359 1907 1896 1894 1886 1874 1862 1870 1867 1868 1878 1894 1904 1895 1893 1910 1914 1908 1905 1902 1889 1869 1883 1879 1893 1889.2 24 26 12 1989 360 1886 1896 1892 1881 1867 1879 1868 1875 1892 1897 1912 1921 1922 1948 1956 1968 1953 1938 1942 1939 1940 1937 1932 1941 1915.9 24 27 12 1989 361 1942 1951 1953 1965 1946 1945 1934 1947 1942 1952 1973 1972 1975 1984 2013 2012 2009 2010 1998 1997 1991 1968 1978 1988 1972.7 24 28 12 1989 362 1990 1998 1983 1949 1954 1960 1959 1943 1966 1959 1984 1983 1988 1988 1984 1958 1934 1928 1914 1895 1902 1916 1913 1897 1951.9 24 29 12 1989 363 1902 1929 1941 1925 1915 1921 1907 1904 1889 1908 1922 1927 1926 1927 1929 1952 1946 1953 1932 1901 1907 1872 1889 1873 1916.5 24 30 12 1989 364 1878 1890 1920 1908 1903 1892 1898 1923 1925 1924 1946 1964 1969 1974 1992 1997 1995 1985 1947 1960 1961 1947 1945 1939 1940.9 24 31 12 1989 365 1952 1938 1936 1953 1938 1948 1945 1950 1938 1945 1955 1953 1950 1943 1968 1959 1924 1904 1901 1922 1915 1928 1933 1924 1938.4 24 MONTHLY MEANS 1942 1941 1937 1932 1925 1922 1919 1926 1927 1936 1948 1959 1968 1974 1983 1980 1968 1959 1948 1940 1940 1937 1938 1939 1945.4 U-12