YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | 70.00 | a | 85.00 | 84.00 | 100.00 | a | 100.00 | 111.00 | 113.00 | 110.00 | 106.00 | 94.00 | 87.00 | 74.00 | 113.00 | |||||||||||
1931 | 77.00 | 76.00 | 87.00 | 95.00 | 101.00 | 111.00 | 113.00 | 108.00 | 106.00 | 99.00 | 89.00 | 68.00 | 113.00 | |||||||||||||
1932 | 71.00 | 82.00 | 81.00 | 91.00 | 100.00 | 112.00 | 112.00 | 111.00 | 110.00 | 95.00 | 86.00 | 80.00 | 112.00 | |||||||||||||
1933 | 74.00 | 74.00 | 84.00 | 90.00 | 107.00 | 114.00 | 113.00 | 115.00 | 110.00 | 101.00 | 88.00 | 77.00 | 115.00 | |||||||||||||
1934 | 74.00 | 80.00 | 93.00 | 97.00 | 111.00 | 109.00 | 115.00 | 113.00 | 110.00 | 101.00 | 91.00 | 78.00 | 115.00 | |||||||||||||
1935 | 80.00 | 81.00 | 83.00 | 92.00 | 99.00 | 111.00 | 111.00 | 109.00 | 106.00 | 97.00 | 80.00 | 75.00 | 111.00 | |||||||||||||
1936 | 75.00 | a | 77.00 | 89.00 | 99.00 | 108.00 | 115.00 | 114.00 | 112.00 | 108.00 | 99.00 | 86.00 | 77.00 | 115.00 | ||||||||||||
1937 | 62.00 | 75.00 | 84.00 | 98.00 | 107.00 | 112.00 | 116.00 | 113.00 | 108.00 | 99.00 | 89.00 | 80.00 | 116.00 | |||||||||||||
1938 | 75.00 | 78.00 | 81.00 | 98.00 | 107.00 | 111.00 | 111.00 | 114.00 | 106.00 | 100.00 | 80.00 | 83.00 | 114.00 | |||||||||||||
1939 | 72.00 | 75.00 | 90.00 | 98.00 | 105.00 | 111.00 | 114.00 | 109.00 | 108.00 | 94.00 | 88.00 | 82.00 | 114.00 | |||||||||||||
1940 | 82.00 | 81.00 | 90.00 | 95.00 | 105.00 | 116.00 | 113.00 | 113.00 | 106.00 | 94.00 | 82.00 | 80.00 | 116.00 | |||||||||||||
1941 | 71.00 | 72.00 | 80.00 | 88.00 | 102.00 | 109.00 | 111.00 | 109.00 | 104.00 | 95.00 | 89.00 | 79.00 | 111.00 | |||||||||||||
1942 | 76.00 | 74.00 | 87.00 | 89.00 | 104.00 | 110.00 | 117.00 | a | 107.00 | a | 105.00 | 98.00 | 87.00 | 80.00 | 117.00 | |||||||||||
1943 | 77.00 | 84.00 | 91.00 | d | 98.00 | 103.00 | a | 107.00 | a | 115.00 | a | 106.00 | 107.00 | 100.00 | 83.00 | 73.00 | 115.00 | |||||||||
1944 | 77.00 | a | 80.00 | 78.00 | 86.00 | 99.00 | 106.00 | 110.00 | 112.00 | 108.00 | 98.00 | 86.00 | 77.00 | 112.00 | ||||||||||||
1945 | 78.00 | 80.00 | 82.00 | 96.00 | 96.00 | 108.00 | a | 112.00 | 109.00 | 112.00 | 94.00 | 86.00 | 73.00 | 112.00 | ||||||||||||
1946 | 76.00 | 82.00 | 87.00 | 100.00 | 99.00 | 109.00 | 110.00 | 112.00 | 108.00 | 88.00 | 80.00 | 78.00 | 112.00 | |||||||||||||
1947 | 73.00 | 86.00 | 88.00 | 97.00 | 108.00 | 109.00 | o | 114.00 | 109.00 | 113.00 | 102.00 | 87.00 | 76.00 | 114.00 | ||||||||||||
1948 | 80.00 | 82.00 | h | 80.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 82.00 | |||
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 | 72.00 | q | 72.00 | |
1962 | 77.00 | 78.00 | 87.00 | 100.00 | 103.00 | 113.00 | 111.00 | 115.00 | 110.00 | 99.00 | 89.00 | 78.00 | 115.00 | |||||||||||||
1963 | 74.00 | 90.00 | 85.00 | 96.00 | 105.00 | 109.00 | 112.00 | b | 109.00 | 106.00 | w | 100.00 | a | 89.00 | 75.00 | 112.00 | ||||||||||
1964 | 74.00 | 76.00 | 87.00 | 97.00 | 103.00 | 111.00 | 112.00 | 110.00 | 105.00 | b | 100.00 | 82.00 | 73.00 | 112.00 | ||||||||||||
1965 | 78.00 | 79.00 | 84.00 | 98.00 | 103.00 | 107.00 | 113.00 | 111.00 | 104.00 | 103.00 | 89.00 | 81.00 | 113.00 | |||||||||||||
1966 | 75.00 | 73.00 | b | 93.00 | d | 95.00 | 103.00 | 112.00 | h | 113.00 | 110.00 | 106.00 | 94.00 | 89.00 | ----- | z | 113.00 | |||||||||
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
2001 | ----- | z | ----- | z | 87.00 | 97.00 | 110.00 | 113.00 | 115.00 | 112.00 | 105.00 | 102.00 | 91.00 | 75.00 | 115.00 | |||||||||||
2002 | 81.00 | 81.00 | 90.00 | 99.00 | 106.00 | 111.00 | 111.00 | 111.00 | 108.00 | 93.00 | 84.00 | 71.00 | 111.00 | |||||||||||||
2003 | 84.00 | 81.00 | 89.00 | 87.00 | 107.00 | 109.00 | h | 114.00 | 114.00 | 107.00 | 103.00 | 80.00 | 77.00 | 114.00 | ||||||||||||
2004 | 77.00 | 79.00 | 98.00 | 98.00 | 101.00 | 106.00 | 109.00 | 110.00 | 107.00 | 95.00 | 84.00 | 79.00 | 110.00 | |||||||||||||
2005 | 77.00 | 70.00 | 84.00 | 92.00 | 108.00 | 113.00 | 116.00 | 112.00 | 104.00 | 97.00 | 87.00 | 80.00 | 116.00 | |||||||||||||
2006 | 80.00 | 82.00 | 82.00 | 94.00 | 104.00 | 110.00 | 116.00 | 108.00 | 105.00 | 94.00 | 87.00 | 76.00 | 116.00 | |||||||||||||
2007 | 75.00 | 78.00 | 92.00 | 96.00 | 99.00 | 107.00 | 112.00 | 108.00 | 106.00 | 95.00 | 86.00 | 69.00 | 112.00 | |||||||||||||
2008 | 65.00 | 75.00 | 84.00 | 94.00 | 105.00 | 111.00 | 111.00 | 112.00 | 105.00 | 99.00 | 88.00 | 70.00 | 112.00 | |||||||||||||
2009 | 77.00 | 80.00 | 87.00 | 99.00 | 107.00 | 111.00 | 115.00 | 112.00 | ----- | z | 100.00 | 91.00 | 73.00 | 115.00 | ||||||||||||
2010 | 74.00 | 77.00 | 83.00 | 92.00 | 98.00 | 112.00 | 113.00 | 111.00 | 107.00 | 102.00 | 89.00 | 81.00 | 113.00 | |||||||||||||
2011 | 75.00 | 77.00 | 94.00 | 98.00 | 99.00 | 112.00 | 114.00 | 113.00 | 109.00 | 99.00 | 85.00 | 76.00 | 114.00 | |||||||||||||
2012 | 80.00 | 78.00 | 88.00 | 102.00 | 107.00 | 109.00 | 112.00 | 113.00 | 106.00 | 102.00 | 91.00 | 80.00 | 113.00 | |||||||||||||
2013 | 79.00 | 76.00 | 91.00 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 91.00 | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 75.61 | 78.63 | 86.59 | 95.46 | 103.69 | 110.53 | 112.94 | 110.91 | 107.12 | 97.86 | 86.43 | 76.59 | 113.39 | |||||||||||||
S.D. | 4.34 | 4.13 | 4.47 | 4.01 | 3.74 | 2.46 | 1.94 | 2.25 | 2.25 | 3.50 | 3.33 | 3.77 | 1.87 | |||||||||||||
SKEW | -0.97 | 0.40 | 0.30 | -0.78 | -0.09 | 0.00 | 0.11 | -0.14 | 0.76 | -0.58 | -0.62 | -0.50 | 0.20 | |||||||||||||
MAX | 84.00 | 90.00 | 98.00 | 102.00 | 111.00 | 116.00 | 117.00 | 115.00 | 113.00 | 103.00 | 91.00 | 83.00 | 117.00 | |||||||||||||
MIN | 62.00 | 70.00 | 78.00 | 86.00 | 96.00 | 106.00 | 109.00 | 106.00 | 104.00 | 88.00 | 80.00 | 68.00 | 110.00 | |||||||||||||
NO YRS | 36 | 35 | 37 | 35 | 35 | 32 | 35 | 35 | 33 | 35 | 35 | 34 | 28 |