YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 99.00 | 85.00 | 79.00 | 99.00 | ||||
1954 | 76.00 | 80.00 | 80.00 | a | 91.00 | 93.00 | 106.00 | 105.00 | 102.00 | 102.00 | 93.00 | 83.00 | 82.00 | 106.00 | ||||||||||||
1955 | 71.00 | 79.00 | 81.00 | 88.00 | 96.00 | 106.00 | 102.00 | 97.00 | 102.00 | 98.00 | 81.00 | 75.00 | 106.00 | |||||||||||||
1956 | 74.00 | 74.00 | 88.00 | 87.00 | 100.00 | 106.00 | 105.00 | 102.00 | 103.00 | 94.00 | 81.00 | 75.00 | 106.00 | |||||||||||||
1957 | 70.00 | 85.00 | 80.00 | 82.00 | 92.00 | 107.00 | 105.00 | 106.00 | 99.00 | 95.00 | 73.00 | 73.00 | 107.00 | |||||||||||||
1958 | 68.00 | 79.00 | 74.00 | 90.00 | 104.00 | 104.00 | 111.00 | 102.00 | 101.00 | 91.00 | 82.00 | 79.00 | 111.00 | |||||||||||||
1959 | 77.00 | 73.00 | 79.00 | 93.00 | 96.00 | 105.00 | 105.00 | 100.00 | 98.00 | 96.00 | 75.00 | 74.00 | 105.00 | |||||||||||||
1960 | 69.00 | 69.00 | 85.00 | 88.00 | 102.00 | 108.00 | 106.00 | 103.00 | 99.00 | 92.00 | 81.00 | 73.00 | 108.00 | |||||||||||||
1961 | 72.00 | 79.00 | 82.00 | 89.00 | 95.00 | 106.00 | 105.00 | 101.00 | 94.00 | 92.00 | 75.00 | 74.00 | 106.00 | |||||||||||||
1962 | 71.00 | 80.00 | 85.00 | 94.00 | 94.00 | 106.00 | 101.00 | 106.00 | 102.00 | 92.00 | 85.00 | 74.00 | 106.00 | |||||||||||||
1963 | 72.00 | 87.00 | 80.00 | 90.00 | 97.00 | 99.00 | 104.00 | 99.00 | 98.00 | 96.00 | 81.00 | 71.00 | 104.00 | |||||||||||||
1964 | 72.00 | 74.00 | 85.00 | 90.00 | 97.00 | 104.00 | 104.00 | 104.00 | 100.00 | 96.00 | 82.00 | 75.00 | 104.00 | |||||||||||||
1965 | 71.00 | 78.00 | 79.00 | 93.00 | 97.00 | 100.00 | 106.00 | 104.00 | 96.00 | 94.00 | 83.00 | 76.00 | 106.00 | |||||||||||||
1966 | 71.00 | 68.00 | 82.00 | 84.00 | 94.00 | 105.00 | 104.00 | 101.00 | 99.00 | 89.00 | 84.00 | 77.00 | 105.00 | |||||||||||||
1967 | 76.00 | 78.00 | 85.00 | 83.00 | 98.00 | 100.00 | 104.00 | 103.00 | 96.00 | 93.00 | 86.00 | 66.00 | 104.00 | |||||||||||||
1968 | 70.00 | 79.00 | 84.00 | 85.00 | 98.00 | 107.00 | 102.00 | 96.00 | 96.00 | 91.00 | 79.00 | 74.00 | 107.00 | |||||||||||||
1969 | 75.00 | 72.00 | 89.00 | 91.00 | 100.00 | 109.00 | 105.00 | 106.00 | 101.00 | 99.00 | 80.00 | 80.00 | 109.00 | |||||||||||||
1970 | 76.00 | 78.00 | 77.00 | 84.00 | 104.00 | 111.00 | 106.00 | 104.00 | 102.00 | 89.00 | 81.00 | 78.00 | 111.00 | |||||||||||||
1971 | 81.00 | 81.00 | 89.00 | 89.00 | 92.00 | 105.00 | 106.00 | 100.00 | 103.00 | 88.00 | 82.00 | 74.00 | 106.00 | |||||||||||||
1972 | 73.00 | 82.00 | 90.00 | 91.00 | 96.00 | 104.00 | 108.00 | 109.00 | 98.00 | 97.00 | 76.00 | 71.00 | 109.00 | |||||||||||||
1973 | 72.00 | 73.00 | 73.00 | 88.00 | 96.00 | 108.00 | 108.00 | 103.00 | 97.00 | 94.00 | 89.00 | 77.00 | 108.00 | |||||||||||||
1974 | 77.00 | 79.00 | 84.00 | 87.00 | 104.00 | 111.00 | 108.00 | 102.00 | 102.00 | 94.00 | 77.00 | 71.00 | 111.00 | |||||||||||||
1975 | 73.00 | 74.00 | 80.00 | 83.00 | 97.00 | 100.00 | 104.00 | 107.00 | 103.00 | 95.00 | d | 87.00 | 75.00 | 107.00 | ||||||||||||
1976 | 75.00 | a | 79.00 | 83.00 | 85.00 | 96.00 | 108.00 | 105.00 | 101.00 | 100.00 | 92.00 | 84.00 | 71.00 | 108.00 | ||||||||||||
1977 | 62.00 | 82.00 | 82.00 | 89.00 | a | 96.00 | 105.00 | 104.00 | 104.00 | 100.00 | 96.00 | 81.00 | a | 79.00 | 105.00 | |||||||||||
1978 | 73.00 | 73.00 | 81.00 | 84.00 | 100.00 | d | 106.00 | 107.00 | c | 101.00 | c | 100.00 | d | 99.00 | b | 81.00 | d | 77.00 | c | 107.00 | ||||||
1979 | 67.00 | b | 78.00 | a | 78.00 | o | 86.00 | f | 96.00 | a | 109.00 | a | 107.00 | 101.00 | a | 105.00 | 97.00 | a | 78.00 | 78.00 | d | 109.00 | ||||
1980 | 76.00 | 81.00 | a | 74.00 | f | 93.00 | g | 95.00 | j | 108.00 | h | ----- | z | 104.00 | f | 101.00 | e | 102.00 | b | 88.00 | l | 83.00 | l | 108.00 | ||
1981 | 77.00 | h | 84.00 | d | 81.00 | f | 96.00 | b | 90.00 | 106.00 | 105.00 | b | 105.00 | a | 99.00 | b | 91.00 | c | 84.00 | d | 79.00 | f | 106.00 | |||
1982 | 78.00 | 81.00 | 77.00 | 89.00 | 93.00 | 102.00 | 105.00 | 103.00 | 104.00 | 91.00 | 78.00 | 73.00 | 105.00 | |||||||||||||
1983 | 73.00 | 76.00 | 80.00 | 84.00 | 102.00 | 99.00 | 109.00 | 101.00 | 103.00 | 86.00 | 80.00 | 71.00 | 109.00 | |||||||||||||
1984 | 75.00 | 74.00 | 84.00 | 90.00 | 101.00 | 101.00 | 103.00 | 105.00 | i | 100.00 | 86.00 | 80.00 | b | 66.00 | 105.00 | |||||||||||
1985 | 70.00 | 77.00 | 81.00 | 90.00 | 93.00 | 108.00 | 108.00 | b | 110.00 | 96.00 | 90.00 | 83.00 | 73.00 | 110.00 | ||||||||||||
1986 | 78.00 | 85.00 | 88.00 | 89.00 | 96.00 | 104.00 | 98.00 | 107.00 | 101.00 | 87.00 | 83.00 | 80.00 | 107.00 | |||||||||||||
1987 | 77.00 | 74.00 | 79.00 | 76.00 | e | 92.00 | 103.00 | 104.00 | 101.00 | a | 101.00 | 96.00 | 78.00 | 76.00 | 104.00 | |||||||||||
1988 | 64.00 | 78.00 | 91.00 | 89.00 | 98.00 | 108.00 | 103.00 | 104.00 | 99.00 | 96.00 | 88.00 | 72.00 | 108.00 | |||||||||||||
1989 | 71.00 | 82.00 | 91.00 | 96.00 | 99.00 | 105.00 | 108.00 | 100.00 | 98.00 | 94.00 | 84.00 | 73.00 | 108.00 | |||||||||||||
1990 | 77.00 | 79.00 | 84.00 | 89.00 | 95.00 | 111.00 | 105.00 | 103.00 | 102.00 | 91.00 | 86.00 | 73.00 | 111.00 | |||||||||||||
1991 | 66.00 | 79.00 | 75.00 | 85.00 | 92.00 | 103.00 | 102.00 | 101.00 | 98.00 | 96.00 | 81.00 | 69.00 | 103.00 | |||||||||||||
1992 | 71.00 | 74.00 | 78.00 | 94.00 | 93.00 | 101.00 | 103.00 | 102.00 | 98.00 | 94.00 | 78.00 | 68.00 | 103.00 | |||||||||||||
1993 | 68.00 | 70.00 | 80.00 | 90.00 | 96.00 | 106.00 | 102.00 | 105.00 | m | 98.00 | j | 96.00 | 79.00 | 74.00 | 106.00 | |||||||||||
1994 | 75.00 | 76.00 | 81.00 | 92.00 | 99.00 | 109.00 | 107.00 | 104.00 | 100.00 | 87.00 | 79.00 | 71.00 | 109.00 | |||||||||||||
1995 | 69.00 | 79.00 | 81.00 | 85.00 | j | 89.00 | 103.00 | 112.00 | 107.00 | 105.00 | 95.00 | 83.00 | 75.00 | 112.00 | ||||||||||||
1996 | 75.00 | 79.00 | 82.00 | 92.00 | 102.00 | 104.00 | 104.00 | ----- | z | 92.00 | t | 96.00 | 84.00 | 76.00 | 104.00 | |||||||||||
1997 | 70.00 | 72.00 | 89.00 | 85.00 | 98.00 | 101.00 | 104.00 | 103.00 | 102.00 | ----- | z | 83.00 | 68.00 | 104.00 | ||||||||||||
1998 | 72.00 | 70.00 | 83.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 83.00 | 77.00 | 83.00 | ||||||
1999 | 76.00 | 78.00 | 85.00 | 90.00 | 99.00 | 102.00 | 104.00 | 104.00 | 100.00 | 97.00 | 89.00 | 77.00 | 104.00 | |||||||||||||
2000 | 81.00 | 80.00 | 79.00 | 96.00 | 105.00 | 105.00 | 106.00 | 105.00 | 106.00 | 99.00 | 74.00 | 74.00 | 106.00 | |||||||||||||
2001 | 71.00 | a | 76.00 | 83.00 | 91.00 | 100.00 | 105.00 | 108.00 | 105.00 | 102.00 | 92.00 | 87.00 | 73.00 | 108.00 | ||||||||||||
2002 | 77.00 | 80.00 | 83.00 | 93.00 | 103.00 | 106.00 | 105.00 | 104.00 | 103.00 | 91.00 | 82.00 | 68.00 | 106.00 | |||||||||||||
2003 | 78.00 | 80.00 | 82.00 | 85.00 | 102.00 | 105.00 | 109.00 | 109.00 | 101.00 | 101.00 | 79.00 | 80.00 | 109.00 | |||||||||||||
2004 | 72.00 | ----- | z | 89.00 | 89.00 | 96.00 | 103.00 | 105.00 | 105.00 | 101.00 | e | 91.00 | 79.00 | 75.00 | 105.00 | |||||||||||
2005 | 75.00 | h | 67.00 | 80.00 | 89.00 | 103.00 | ----- | z | 108.00 | 103.00 | 100.00 | 93.00 | 86.00 | b | 77.00 | h | 108.00 | |||||||||
2006 | 76.00 | g | 78.00 | 79.00 | ----- | z | 97.00 | 105.00 | 111.00 | 100.00 | ----- | z | ----- | z | ----- | z | ----- | z | 111.00 | |||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 72.88 | 77.35 | 82.42 | 88.69 | 97.31 | 105.00 | 105.39 | 103.12 | 100.33 | 93.71 | 81.58 | 74.20 | 106.95 | |||||||||||||
S.D. | 4.01 | 4.39 | 4.26 | 4.03 | 3.90 | 3.04 | 2.64 | 2.89 | 2.58 | 3.75 | 3.71 | 3.69 | 2.25 | |||||||||||||
SKEW | -0.32 | -0.33 | 0.20 | -0.51 | 0.09 | -0.06 | 0.18 | 0.13 | -0.15 | -0.10 | -0.13 | -0.22 | 0.21 | |||||||||||||
MAX | 81.00 | 87.00 | 91.00 | 96.00 | 105.00 | 111.00 | 112.00 | 110.00 | 106.00 | 102.00 | 89.00 | 82.00 | 111.00 | |||||||||||||
MIN | 62.00 | 67.00 | 73.00 | 76.00 | 89.00 | 99.00 | 98.00 | 96.00 | 94.00 | 86.00 | 73.00 | 66.00 | 103.00 | |||||||||||||
NO YRS | 50 | 52 | 50 | 48 | 51 | 50 | 51 | 48 | 49 | 51 | 52 | 50 | 39 |