YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | 90.00 | k | 96.00 | a | 99.00 | a | 106.00 | a | 100.00 | a | 95.00 | 80.00 | 76.00 | 75.00 | ----- | z | ||||
1959 | 71.00 | 74.00 | m | 78.00 | 91.00 | 91.00 | b | 99.00 | a | 94.00 | a | 100.00 | 97.00 | 88.00 | 75.00 | 67.00 | b | 100.00 | s | |||||||
1960 | 69.00 | 71.00 | a | 81.00 | a | 88.00 | a | 97.00 | b | 104.00 | a | 97.00 | a | 95.00 | b | 95.00 | 87.00 | 75.00 | a | 60.00 | b | 104.00 | l | |||
1961 | 65.00 | a | 78.00 | 80.00 | a | 89.00 | 95.00 | a | 97.00 | 94.00 | a | 97.00 | 94.00 | 88.00 | 72.00 | a | 74.00 | 97.00 | e | |||||||
1962 | 68.00 | 84.00 | b | 82.00 | a | 90.00 | 98.00 | a | 96.00 | 96.00 | i | 100.00 | a | 92.00 | 89.00 | 78.00 | 70.00 | 100.00 | n | |||||||
1963 | 74.00 | 78.00 | 86.00 | 88.00 | 94.00 | 94.00 | 99.00 | 96.00 | 93.00 | 90.00 | 77.00 | c | 70.00 | 99.00 | c | |||||||||||
1964 | 68.00 | 61.00 | 80.00 | a | 88.00 | a | 96.00 | 97.00 | 102.00 | 100.00 | d | 95.00 | 85.00 | f | 80.00 | a | 75.00 | 102.00 | m | |||||||
1965 | 73.00 | 74.00 | 80.00 | 96.00 | d | 90.00 | f | 97.00 | 97.00 | 95.00 | 94.00 | c | 91.00 | a | 78.00 | b | 69.00 | b | 97.00 | r | ||||||
1966 | 66.00 | 67.00 | 83.00 | b | 86.00 | 95.00 | b | 97.00 | 99.00 | 102.00 | 87.00 | b | 83.00 | 81.00 | 76.00 | a | 102.00 | g | ||||||||
1967 | 74.00 | 77.00 | 88.00 | 87.00 | 95.00 | 95.00 | 96.00 | 97.00 | 93.00 | 89.00 | 81.00 | b | 70.00 | 97.00 | b | |||||||||||
1968 | 69.00 | 73.00 | 80.00 | a | 81.00 | 95.00 | 105.00 | 95.00 | a | 93.00 | 90.00 | d | 90.00 | 77.00 | a | 68.00 | 105.00 | g | ||||||||
1969 | 79.00 | 71.00 | 74.00 | 88.00 | 96.00 | 100.00 | 101.00 | 102.00 | a | 90.00 | 88.00 | 75.00 | 75.00 | a | 102.00 | b | ||||||||||
1970 | 78.00 | 80.00 | 76.00 | 83.00 | 91.00 | 101.00 | e | 98.00 | 99.00 | 98.00 | b | 81.00 | 78.00 | 74.00 | 101.00 | g | ||||||||||
1971 | 75.00 | 75.00 | 90.00 | 88.00 | 94.00 | 98.00 | 103.00 | 90.00 | b | 91.00 | b | 82.00 | 78.00 | 77.00 | 103.00 | d | ||||||||||
1972 | 78.00 | 80.00 | 84.00 | 92.00 | 93.00 | 100.00 | 99.00 | 95.00 | 87.00 | 87.00 | c | 72.00 | 69.00 | 100.00 | c | |||||||||||
1973 | 65.00 | 70.00 | 72.00 | 81.00 | 92.00 | b | 100.00 | a | 100.00 | 98.00 | 93.00 | 92.00 | b | 83.00 | 73.00 | 100.00 | e | |||||||||
1974 | 78.00 | 76.00 | a | 87.00 | 88.00 | 101.00 | 102.00 | 100.00 | 95.00 | 93.00 | 83.00 | 75.00 | 67.00 | 102.00 | a | |||||||||||
1975 | 75.00 | 73.00 | 80.00 | 87.00 | 90.00 | a | 100.00 | a | 91.00 | 100.00 | 90.00 | 89.00 | 84.00 | 76.00 | 100.00 | b | ||||||||||
1976 | 70.00 | 79.00 | 83.00 | 88.00 | 94.00 | a | 104.00 | 97.00 | 97.00 | 95.00 | a | 85.00 | 77.00 | 70.00 | 104.00 | b | ||||||||||
1977 | 63.00 | 78.00 | 78.00 | 87.00 | 98.00 | 105.00 | 101.00 | 102.00 | 100.00 | 92.00 | 81.00 | a | 77.00 | 105.00 | a | |||||||||||
1978 | 68.00 | 75.00 | 86.00 | 91.00 | 100.00 | 102.00 | 106.00 | 102.00 | c | 95.00 | 88.00 | 77.00 | 73.00 | 106.00 | c | |||||||||||
1979 | 70.00 | 82.00 | 80.00 | 88.00 | 93.00 | 100.00 | 100.00 | 93.00 | 97.00 | c | 97.00 | 74.00 | 73.00 | 100.00 | c | |||||||||||
1980 | 74.00 | 81.00 | 79.00 | 88.00 | 97.00 | 108.00 | 105.00 | 103.00 | 96.00 | b | 89.00 | 85.00 | 76.00 | 108.00 | b | |||||||||||
1981 | 78.00 | 80.00 | 82.00 | 89.00 | 95.00 | f | 109.00 | 103.00 | 96.00 | 92.00 | a | 83.00 | 82.00 | 77.00 | 109.00 | g | ||||||||||
1982 | 70.00 | b | 80.00 | 85.00 | 89.00 | c | 92.00 | 101.00 | f | 97.00 | a | 102.00 | 100.00 | 87.00 | 78.00 | a | 72.00 | 102.00 | m | |||||||
1983 | 68.00 | 73.00 | 85.00 | 85.00 | b | 89.00 | a | 102.00 | 103.00 | c | 100.00 | 102.00 | 90.00 | 80.00 | 70.00 | 103.00 | f | |||||||||
1984 | 67.00 | 74.00 | 81.00 | 90.00 | k | 97.00 | h | 92.00 | b | 95.00 | 94.00 | g | 98.00 | b | 83.00 | c | 80.00 | a | 76.00 | a | ----- | z | ||||
1985 | 67.00 | b | 69.00 | i | 81.00 | b | 85.00 | d | 94.00 | 97.00 | f | 98.00 | a | 99.00 | 94.00 | 89.00 | 77.00 | 70.00 | 99.00 | x | ||||||
1986 | 77.00 | 82.00 | d | 86.00 | 90.00 | 96.00 | a | 93.00 | j | 97.00 | e | 102.00 | a | 92.00 | 86.00 | a | 74.00 | 65.00 | 102.00 | v | ||||||
1987 | 75.00 | 75.00 | 75.00 | b | 93.00 | 88.00 | 98.00 | 100.00 | 98.00 | b | 90.00 | 89.00 | 79.00 | 78.00 | 100.00 | d | ||||||||||
1988 | 71.00 | 76.00 | 83.00 | g | 85.00 | g | 96.00 | k | 95.00 | o | 94.00 | c | 95.00 | a | 91.00 | a | 89.00 | a | 83.00 | b | 68.00 | ----- | z | |||
1989 | 73.00 | c | 83.00 | a | 90.00 | a | 97.00 | 101.00 | 100.00 | d | 104.00 | f | 100.00 | g | 88.00 | r | 90.00 | 80.00 | a | 67.00 | g | ----- | z | |||
1990 | 73.00 | a | 78.00 | 81.00 | a | 88.00 | b | 96.00 | 107.00 | e | 96.00 | 96.00 | a | 93.00 | 84.00 | 83.00 | 71.00 | 107.00 | j | |||||||
1991 | 65.00 | 73.00 | 82.00 | b | 88.00 | 98.00 | e | 100.00 | 93.00 | l | 94.00 | b | 89.00 | a | 90.00 | 77.00 | a | 68.00 | 100.00 | w | ||||||
1992 | 65.00 | 72.00 | a | 79.00 | 91.00 | 92.00 | 98.00 | 104.00 | f | 98.00 | 94.00 | a | 90.00 | 74.00 | 73.00 | 104.00 | h | |||||||||
1993 | 66.00 | 72.00 | 81.00 | 89.00 | b | 91.00 | a | 99.00 | 102.00 | 95.00 | g | 94.00 | d | 90.00 | 76.00 | a | 70.00 | 102.00 | o | |||||||
1994 | 72.00 | a | 75.00 | 83.00 | a | 86.00 | a | 93.00 | g | ----- | z | 106.00 | i | 103.00 | a | 94.00 | ----- | z | 83.00 | b | 70.00 | ----- | z | |||
1995 | 71.00 | 77.00 | a | 88.00 | b | 89.00 | 97.00 | b | 98.00 | b | 108.00 | 97.00 | 100.00 | b | 86.00 | 79.00 | 75.00 | 108.00 | i | |||||||
1996 | 72.00 | a | 81.00 | 79.00 | a | 95.00 | a | 101.00 | a | 103.00 | a | 98.00 | 98.00 | a | 88.00 | d | 91.00 | 84.00 | b | 74.00 | 103.00 | l | ||||
1997 | 78.00 | b | 74.00 | 87.00 | a | 85.00 | a | 85.00 | y | 100.00 | 101.00 | a | 98.00 | 99.00 | 89.00 | 80.00 | 69.00 | c | ----- | z | ||||||
1998 | 71.00 | 77.00 | 85.00 | a | 88.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2000 | ----- | z | ----- | z | ----- | z | 92.00 | j | 105.00 | j | 96.00 | t | 101.00 | n | 96.00 | q | 97.00 | t | 96.00 | l | 74.00 | s | 64.00 | u | ----- | z |
2001 | 66.00 | p | 71.00 | s | 79.00 | s | 87.00 | w | 95.00 | w | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 71.22 | 75.92 | 81.97 | 88.42 | 94.88 | 100.17 | 99.20 | 98.03 | 93.85 | 87.74 | 78.45 | 71.79 | 102.00 | |||||||||||||
S.D. | 4.44 | 4.66 | 4.20 | 3.41 | 3.36 | 3.81 | 3.86 | 3.18 | 3.67 | 3.48 | 3.39 | 3.89 | 3.11 | |||||||||||||
SKEW | 0.10 | -0.76 | -0.11 | 0.29 | 0.03 | 0.38 | 0.25 | -0.29 | 0.19 | -0.23 | 0.07 | -0.60 | 0.38 | |||||||||||||
MAX | 79.00 | 84.00 | 90.00 | 97.00 | 101.00 | 109.00 | 108.00 | 103.00 | 102.00 | 97.00 | 85.00 | 78.00 | 108.00 | |||||||||||||
MIN | 63.00 | 61.00 | 72.00 | 81.00 | 88.00 | 92.00 | 91.00 | 90.00 | 87.00 | 80.00 | 72.00 | 60.00 | 97.00 | |||||||||||||
YRS | 40 | 38 | 39 | 38 | 34 | 35 | 35 | 37 | 39 | 38 | 40 | 39 | 13 |