YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | ----- | z | ----- | z | ----- | z | 9999.00 | |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 105.00 | 100.00 | 98.00 | 92.00 | 84.00 | ----- | z | 105.00 | ||||||
1982 | 78.00 | 86.00 | 88.00 | 90.00 | 96.00 | 108.00 | 106.00 | 100.00 | 101.00 | 95.00 | 79.00 | 69.00 | 108.00 | |||||||||||||
1983 | 68.00 | 74.00 | 81.00 | 86.00 | 98.00 | 104.00 | 106.00 | 101.00 | 103.00 | 90.00 | 84.00 | 74.00 | 106.00 | |||||||||||||
1984 | 68.00 | 78.00 | 87.00 | 92.00 | 101.00 | 102.00 | 103.00 | 101.00 | 100.00 | 86.00 | 82.00 | 69.00 | 103.00 | |||||||||||||
1985 | 69.00 | 79.00 | 88.00 | 91.00 | 99.00 | 107.00 | 104.00 | 100.00 | 95.00 | 92.00 | 81.00 | 76.00 | 107.00 | |||||||||||||
1986 | 75.00 | 82.00 | 86.00 | 93.00 | 95.00 | 102.00 | 102.00 | 100.00 | 94.00 | 86.00 | 79.00 | 68.00 | 102.00 | |||||||||||||
1987 | 75.00 | 78.00 | 81.00 | 93.00 | 93.00 | 104.00 | 104.00 | 100.00 | 93.00 | 90.00 | 82.00 | 79.00 | 104.00 | |||||||||||||
1988 | 70.00 | 81.00 | 87.00 | 88.00 | 98.00 | 102.00 | 100.00 | 98.00 | 96.00 | 91.00 | 86.00 | 72.00 | 102.00 | |||||||||||||
1989 | 74.00 | 83.00 | 92.00 | 98.00 | 102.00 | 104.00 | 105.00 | 97.00 | 95.00 | 92.00 | 78.00 | 73.00 | 105.00 | |||||||||||||
1990 | 75.00 | 79.00 | 87.00 | 92.00 | 98.00 | 108.00 | 96.00 | 95.00 | j | 94.00 | 86.00 | 81.00 | 70.00 | 108.00 | ||||||||||||
1991 | 64.00 | 76.00 | 83.00 | 89.00 | 98.00 | 104.00 | 99.00 | 96.00 | 97.00 | 91.00 | 78.00 | 72.00 | 104.00 | |||||||||||||
1992 | 65.00 | 73.00 | 80.00 | 95.00 | 95.00 | 105.00 | 104.00 | 98.00 | 98.00 | 90.00 | 77.00 | 73.00 | 105.00 | |||||||||||||
1993 | 71.00 | 77.00 | 82.00 | 94.00 | 97.00 | 103.00 | 101.00 | 101.00 | 96.00 | 92.00 | 78.00 | 73.00 | 103.00 | |||||||||||||
1994 | 75.00 | 80.00 | 83.00 | 92.00 | 101.00 | 111.00 | 107.00 | 102.00 | 97.00 | 96.00 | 85.00 | 71.00 | 111.00 | |||||||||||||
1995 | 76.00 | 75.00 | 86.00 | 90.00 | 98.00 | 100.00 | 106.00 | 99.00 | 100.00 | 89.00 | 77.00 | 79.00 | 106.00 | |||||||||||||
1996 | 74.00 | 83.00 | 81.00 | 96.00 | 103.00 | 105.00 | 100.00 | 99.00 | 94.00 | 92.00 | 81.00 | 74.00 | 105.00 | |||||||||||||
1997 | 76.00 | 74.00 | 86.00 | 89.00 | 100.00 | 104.00 | 105.00 | 98.00 | 97.00 | 93.00 | 81.00 | 68.00 | 105.00 | |||||||||||||
1998 | 74.00 | 81.00 | 86.00 | 90.00 | 98.00 | 107.00 | 105.00 | 98.00 | ----- | z | 92.00 | 79.00 | 74.00 | 107.00 | ||||||||||||
1999 | 81.00 | 79.00 | 84.00 | 91.00 | 98.00 | 106.00 | 105.00 | 98.00 | 94.00 | 92.00 | 84.00 | 75.00 | 106.00 | |||||||||||||
2000 | 77.00 | 82.00 | 82.00 | 97.00 | 102.00 | 103.00 | 103.00 | 99.00 | 101.00 | 97.00 | 71.00 | 69.00 | 103.00 | |||||||||||||
2001 | 68.00 | 78.00 | 84.00 | 91.00 | 101.00 | 102.00 | 102.00 | 101.00 | 96.00 | 88.00 | 83.00 | 78.00 | 102.00 | |||||||||||||
2002 | 78.00 | 79.00 | 86.00 | 95.00 | 102.00 | 104.00 | 102.00 | 103.00 | 95.00 | 90.00 | 78.00 | 75.00 | 104.00 | |||||||||||||
2003 | 74.00 | 79.00 | 84.00 | 90.00 | 100.00 | 101.00 | 103.00 | 104.00 | 94.00 | 91.00 | 87.00 | 76.00 | 104.00 | |||||||||||||
2004 | 72.00 | 80.00 | 91.00 | 88.00 | 101.00 | 104.00 | 103.00 | 99.00 | 97.00 | 87.00 | 79.00 | 69.00 | 104.00 | |||||||||||||
2005 | 78.00 | 78.00 | 81.00 | 87.00 | 104.00 | 105.00 | 106.00 | 100.00 | 97.00 | 94.00 | 85.00 | 76.00 | 106.00 | |||||||||||||
2006 | 76.00 | 82.00 | 85.00 | 95.00 | 101.00 | 104.00 | 102.00 | 97.00 | 90.00 | 92.00 | 82.00 | 73.00 | 104.00 | |||||||||||||
2007 | 72.00 | 76.00 | 87.00 | 91.00 | 99.00 | 104.00 | 101.00 | 100.00 | 94.00 | 91.00 | 82.00 | 73.00 | 104.00 | |||||||||||||
2008 | 72.00 | 79.00 | 85.00 | 90.00 | 101.00 | 105.00 | 97.00 | 97.00 | 92.00 | 90.00 | 82.00 | 76.00 | 105.00 | |||||||||||||
2009 | 77.00 | 84.00 | 86.00 | 91.00 | 98.00 | 99.00 | 103.00 | 99.00 | 94.00 | 87.00 | 82.00 | 68.00 | 103.00 | |||||||||||||
2010 | 69.00 | 72.00 | 89.00 | 89.00 | 100.00 | 105.00 | 95.00 | n | 100.00 | 96.00 | 90.00 | 80.00 | 76.00 | 105.00 | ||||||||||||
2011 | 74.00 | 82.00 | a | 88.00 | a | 96.00 | b | 100.00 | 106.00 | a | 99.00 | 99.00 | 95.00 | a | 87.00 | 82.00 | 69.00 | 106.00 | ||||||||
2012 | 71.00 | b | 75.00 | 88.00 | 93.00 | 98.00 | 100.00 | 93.00 | 97.00 | ----- | z | ----- | z | ----- | z | ----- | z | 100.00 | ||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 73.10 | 78.84 | 85.29 | 91.68 | 99.19 | 104.13 | 102.48 | 99.39 | 96.10 | 90.68 | 80.94 | 72.90 | 104.65 | |||||||||||||
S.D. | 4.04 | 3.39 | 3.02 | 2.99 | 2.48 | 2.55 | 3.23 | 1.82 | 2.86 | 2.81 | 3.24 | 3.34 | 2.00 | |||||||||||||
SKEW | -0.41 | -0.10 | 0.09 | 0.31 | -0.39 | 0.33 | -1.05 | 0.41 | 0.47 | 0.12 | -0.63 | 0.07 | 1.26 | |||||||||||||
MAX | 81.00 | 86.00 | 92.00 | 98.00 | 104.00 | 111.00 | 107.00 | 104.00 | 103.00 | 97.00 | 87.00 | 79.00 | 111.00 | |||||||||||||
MIN | 64.00 | 72.00 | 80.00 | 86.00 | 93.00 | 99.00 | 93.00 | 96.00 | 90.00 | 86.00 | 71.00 | 68.00 | 102.00 | |||||||||||||
NO YRS | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 30 | 31 | 31 | 30 | 26 |