YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 104.00 | f | 100.00 | h | 102.00 | j | 88.00 | j | 67.00 | g | 58.00 | f | 104.00 | |
1949 | 52.00 | g | 63.00 | c | 68.00 | d | 84.00 | f | 93.00 | i | 100.00 | h | 103.00 | m | 102.00 | g | 102.00 | j | 88.00 | j | 82.00 | n | 63.00 | f | 103.00 | |
1950 | 65.00 | c | 66.00 | f | 74.00 | h | 86.00 | d | 99.00 | g | 105.00 | d | 107.00 | b | 108.00 | e | 105.00 | f | 92.00 | b | 75.00 | b | 63.00 | d | 108.00 | |
1951 | 60.00 | a | 69.00 | c | 77.00 | c | 85.00 | g | 95.00 | c | 96.00 | d | 104.00 | e | 102.00 | f | 100.00 | j | 89.00 | f | 75.00 | e | 60.00 | d | 104.00 | |
1952 | 61.00 | 66.00 | 78.00 | 84.00 | 93.00 | 95.00 | 101.00 | 99.00 | 100.00 | 95.00 | 78.00 | 60.00 | 101.00 | |||||||||||||
1953 | 64.00 | 68.00 | 75.00 | 80.00 | 85.00 | 92.00 | 104.00 | 99.00 | 102.00 | 93.00 | 74.00 | 65.00 | 104.00 | |||||||||||||
1954 | 59.00 | 71.00 | 70.00 | 86.00 | 91.00 | 106.00 | 104.00 | 99.00 | 94.00 | 92.00 | 72.00 | 57.00 | 106.00 | |||||||||||||
1955 | 61.00 | 68.00 | 74.00 | 73.00 | 91.00 | 98.00 | 101.00 | 101.00 | 104.00 | 87.00 | 76.00 | 59.00 | 104.00 | |||||||||||||
1956 | 56.00 | 59.00 | 75.00 | 79.00 | 88.00 | 102.00 | 102.00 | 97.00 | 97.00 | 86.00 | 77.00 | 65.00 | 102.00 | |||||||||||||
1957 | 57.00 | 68.00 | 73.00 | 81.00 | 86.00 | 103.00 | 99.00 | 99.00 | 101.00 | 78.00 | 77.00 | 63.00 | 103.00 | |||||||||||||
1958 | 60.00 | 70.00 | 60.00 | 78.00 | 89.00 | 93.00 | 102.00 | 103.00 | 102.00 | 94.00 | 72.00 | 76.00 | 103.00 | |||||||||||||
1959 | 62.00 | 63.00 | 74.00 | 83.00 | 87.00 | 104.00 | 107.00 | 105.00 | 95.00 | 87.00 | 73.00 | 67.00 | 107.00 | |||||||||||||
1960 | 64.00 | 60.00 | 82.00 | 81.00 | 89.00 | 103.00 | 110.00 | 104.00 | 98.00 | 87.00 | 76.00 | 64.00 | 110.00 | |||||||||||||
1961 | 61.00 | 64.00 | 69.00 | 83.00 | 80.00 | 109.00 | 107.00 | 101.00 | 93.00 | 94.00 | 73.00 | 60.00 | 109.00 | |||||||||||||
1962 | 75.00 | 69.00 | 73.00 | 87.00 | 85.00 | 97.00 | 99.00 | 100.00 | 97.00 | 89.00 | 79.00 | 67.00 | 100.00 | |||||||||||||
1963 | 59.00 | 72.00 | 70.00 | 71.00 | 88.00 | 95.00 | 96.00 | 97.00 | 102.00 | 94.00 | 69.00 | 67.00 | 102.00 | |||||||||||||
1964 | 64.00 | 70.00 | 76.00 | 82.00 | 82.00 | 100.00 | 100.00 | 98.00 | 95.00 | 91.00 | 71.00 | 61.00 | 100.00 | |||||||||||||
1965 | 62.00 | 68.00 | 71.00 | 81.00 | 90.00 | 90.00 | 97.00 | 96.00 | 87.00 | 88.00 | 80.00 | 67.00 | 97.00 | |||||||||||||
1966 | 63.00 | 68.00 | 78.00 | 83.00 | 89.00 | 101.00 | 97.00 | 101.00 | 96.00 | 85.00 | 82.00 | 62.00 | 101.00 | |||||||||||||
1967 | 65.00 | 68.00 | 66.00 | 58.00 | 93.00 | 99.00 | 99.00 | 102.00 | 98.00 | 85.00 | 76.00 | 63.00 | 102.00 | |||||||||||||
1968 | 74.00 | 72.00 | 79.00 | 82.00 | 88.00 | 99.00 | 101.00 | 101.00 | 95.00 | 83.00 | 70.00 | 61.00 | 101.00 | |||||||||||||
1969 | 61.00 | 58.00 | 76.00 | 78.00 | 90.00 | 93.00 | 99.00 | 101.00 | 99.00 | 83.00 | 74.00 | 61.00 | 101.00 | |||||||||||||
1970 | 61.00 | 70.00 | 76.00 | 75.00 | 94.00 | 97.00 | 101.00 | 101.00 | 95.00 | 92.00 | 73.00 | 60.00 | 101.00 | |||||||||||||
1971 | 66.00 | 75.00 | 72.00 | 78.00 | 83.00 | 91.00 | 99.00 | 104.00 | 101.00 | 90.00 | 70.00 | 55.00 | 104.00 | |||||||||||||
1972 | 59.00 | 70.00 | 79.00 | 80.00 | 92.00 | 99.00 | 108.00 | 101.00 | 94.00 | 81.00 | 65.00 | 61.00 | 108.00 | |||||||||||||
1973 | 60.00 | 68.00 | 64.00 | 83.00 | 95.00 | 103.00 | 100.00 | 99.00 | 93.00 | 83.00 | 71.00 | 63.00 | 103.00 | |||||||||||||
1974 | 64.00 | 64.00 | 70.00 | 76.00 | 93.00 | 97.00 | 99.00 | 98.00 | 96.00 | 92.00 | 74.00 | 59.00 | 99.00 | |||||||||||||
1975 | 68.00 | 67.00 | 68.00 | 68.00 | 91.00 | 98.00 | 105.00 | 98.00 | 99.00 | 88.00 | 74.00 | 68.00 | 105.00 | |||||||||||||
1976 | 68.00 | 69.00 | 74.00 | 76.00 | 96.00 | 102.00 | 99.00 | 101.00 | 100.00 | 88.00 | 81.00 | 66.00 | 102.00 | |||||||||||||
1977 | 65.00 | 74.00 | 73.00 | 81.00 | 86.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 70.00 | 64.00 | 86.00 | ||||||||
1978 | ----- | z | 68.00 | b | 77.00 | a | ----- | z | 88.00 | a | 97.00 | 100.00 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 100.00 | ||
1979 | 58.00 | a | 63.00 | 72.00 | 77.00 | 92.00 | 91.00 | 99.00 | a | 99.00 | 100.00 | a | 90.00 | b | 70.00 | a | 69.00 | a | 100.00 | |||||||
1980 | 61.00 | a | 71.00 | 68.00 | 80.00 | b | 89.00 | c | 94.00 | d | 101.00 | b | 98.00 | ----- | z | 94.00 | a | 78.00 | c | 69.00 | a | 101.00 | ||||
1981 | ----- | z | 69.00 | a | 67.00 | 87.00 | 89.00 | 99.00 | 99.00 | m | 104.00 | 96.00 | 84.00 | 74.00 | 60.00 | e | 104.00 | |||||||||
1982 | 60.00 | 68.00 | 65.00 | 77.00 | 95.00 | 93.00 | 101.00 | 98.00 | 95.00 | 79.00 | 67.00 | c | 62.00 | 101.00 | ||||||||||||
1983 | 74.00 | 68.00 | b | 71.00 | 75.00 | 92.00 | 85.00 | a | 97.00 | h | 102.00 | b | 102.00 | 89.00 | 72.00 | 63.00 | 102.00 | |||||||||
1984 | 75.00 | 70.00 | 74.00 | 85.00 | 104.00 | 99.00 | 105.00 | 107.00 | 102.00 | 87.00 | 70.00 | 68.00 | 107.00 | |||||||||||||
1985 | 68.00 | 76.00 | 78.00 | 90.00 | 87.00 | 105.00 | 104.00 | 100.00 | 94.00 | 97.00 | 80.00 | 70.00 | 105.00 | |||||||||||||
1986 | 74.00 | 78.00 | 81.00 | 89.00 | 95.00 | 101.00 | 100.00 | 102.00 | 100.00 | 87.00 | 80.00 | 69.00 | 102.00 | |||||||||||||
1987 | 69.00 | 78.00 | 76.00 | 92.00 | 96.00 | 102.00 | ----- | z | 105.00 | 101.00 | 100.00 | 73.00 | 66.00 | 105.00 | ||||||||||||
1988 | 73.00 | 74.00 | 83.00 | 90.00 | 98.00 | 101.00 | 110.00 | 103.00 | 108.00 | 93.00 | 83.00 | 73.00 | 110.00 | |||||||||||||
1989 | 70.00 | 68.00 | 70.00 | 88.00 | 89.00 | 96.00 | 106.00 | 97.00 | 93.00 | 88.00 | 78.00 | 68.00 | 106.00 | |||||||||||||
1990 | 72.00 | 72.00 | 77.00 | 85.00 | 90.00 | 99.00 | 106.00 | 105.00 | 97.00 | 92.00 | 83.00 | 70.00 | 106.00 | |||||||||||||
1991 | 66.00 | 75.00 | 71.00 | 78.00 | 86.00 | 95.00 | ----- | z | 97.00 | 100.00 | 97.00 | 82.00 | 66.00 | 100.00 | ||||||||||||
1992 | 67.00 | 75.00 | 72.00 | 83.00 | 92.00 | 97.00 | m | 99.00 | 102.00 | 97.00 | 91.00 | 75.00 | 64.00 | 102.00 | ||||||||||||
1993 | 67.00 | 72.00 | 77.00 | 80.00 | 89.00 | 101.00 | 96.00 | 104.00 | 99.00 | 93.00 | 83.00 | 68.00 | 104.00 | |||||||||||||
1994 | 72.00 | 67.00 | 76.00 | 85.00 | 88.00 | 99.00 | 100.00 | 107.00 | 96.00 | 87.00 | 77.00 | 65.00 | 107.00 | |||||||||||||
1995 | 62.00 | 78.00 | 69.00 | 78.00 | 88.00 | 100.00 | 102.00 | 103.00 | 97.00 | 90.00 | 79.00 | 73.00 | 103.00 | |||||||||||||
1996 | 70.00 | 77.00 | 78.00 | 84.00 | 92.00 | 98.00 | 103.00 | 106.00 | 99.00 | 97.00 | 79.00 | 63.00 | 106.00 | |||||||||||||
1997 | 66.00 | 72.00 | 80.00 | 82.00 | 95.00 | 95.00 | 99.00 | 107.00 | 96.00 | 90.00 | 83.00 | 64.00 | 107.00 | |||||||||||||
1998 | 67.00 | 59.00 | 72.00 | 84.00 | 75.00 | 89.00 | 105.00 | 109.00 | 105.00 | 83.00 | 69.00 | 72.00 | 109.00 | |||||||||||||
1999 | 69.00 | 62.00 | 68.00 | 84.00 | 91.00 | 100.00 | 105.00 | 103.00 | b | 97.00 | 95.00 | e | 82.00 | 72.00 | 105.00 | |||||||||||
2000 | 61.00 | 71.00 | 75.00 | 82.00 | 97.00 | 104.00 | 100.00 | 103.00 | 99.00 | 92.00 | 70.00 | 72.00 | k | 104.00 | ||||||||||||
2001 | 70.00 | 73.00 | 78.00 | ----- | z | 97.00 | 101.00 | 105.00 | 102.00 | 95.00 | 99.00 | 80.00 | k | 64.00 | k | 105.00 | ||||||||||
2002 | 66.00 | h | 76.00 | g | 81.00 | 83.00 | g | 94.00 | 98.00 | 108.00 | 102.00 | 100.00 | k | 90.00 | 79.00 | 65.00 | 108.00 | |||||||||
2003 | 72.00 | 65.00 | 78.00 | 75.00 | 97.00 | 100.00 | 105.00 | 99.00 | 103.00 | g | 93.00 | 74.00 | 68.00 | 105.00 | ||||||||||||
2004 | 66.00 | 65.00 | 85.00 | 90.00 | 91.00 | 96.00 | 99.00 | l | 100.00 | n | 99.00 | i | 89.00 | o | 70.00 | q | 70.00 | k | 100.00 | |||||||
2005 | 72.00 | p | 68.00 | f | 87.00 | 79.00 | 89.00 | 90.00 | 106.00 | 104.00 | 92.00 | 88.00 | 78.00 | 68.00 | 106.00 | |||||||||||
2006 | 70.00 | 75.00 | 68.00 | 83.00 | 95.00 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 95.00 | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 65.34 | 69.09 | 73.93 | 81.04 | 90.52 | 98.06 | 102.24 | 101.56 | 97.77 | 89.65 | 75.38 | 64.98 | 103.89 | |||||||||||||
S.D. | 5.14 | 4.90 | 5.35 | 5.92 | 4.83 | 4.76 | 3.59 | 3.17 | 3.79 | 4.89 | 4.58 | 4.40 | 3.19 | |||||||||||||
SKEW | 0.26 | -0.23 | -0.03 | -1.11 | -0.34 | -0.34 | 0.34 | 0.33 | 0.06 | -0.21 | -0.02 | 0.19 | 0.17 | |||||||||||||
MAX | 75.00 | 78.00 | 87.00 | 92.00 | 104.00 | 109.00 | 110.00 | 109.00 | 108.00 | 100.00 | 83.00 | 76.00 | 110.00 | |||||||||||||
MIN | 56.00 | 58.00 | 60.00 | 58.00 | 75.00 | 85.00 | 96.00 | 96.00 | 87.00 | 78.00 | 65.00 | 55.00 | 97.00 | |||||||||||||
NO YRS | 53 | 55 | 57 | 53 | 56 | 54 | 50 | 52 | 48 | 52 | 53 | 52 | 38 |