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 | ----- | 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 | 73.00 | 73.00 | ||
1973 | 70.00 | 76.00 | 80.00 | 85.00 | 94.00 | 104.00 | 102.00 | 100.00 | 97.00 | 94.00 | 84.00 | 75.00 | 104.00 | |||||||||||||
1974 | 82.00 | 77.00 | 89.00 | 89.00 | 100.00 | 102.00 | 101.00 | 96.00 | 96.00 | 87.00 | 73.00 | 72.00 | 102.00 | |||||||||||||
1975 | 82.00 | 75.00 | 83.00 | 89.00 | 91.00 | 101.00 | 96.00 | 98.00 | 95.00 | 90.00 | 83.00 | 75.00 | 101.00 | |||||||||||||
1976 | 70.00 | 81.00 | 86.00 | 89.00 | 94.00 | 104.00 | 96.00 | 100.00 | 93.00 | 86.00 | 76.00 | 72.00 | 104.00 | |||||||||||||
1977 | 69.00 | 82.00 | 83.00 | 87.00 | 101.00 | 107.00 | 103.00 | 104.00 | 100.00 | 86.00 | 83.00 | 80.00 | 107.00 | |||||||||||||
1978 | 69.00 | 76.00 | 90.00 | 92.00 | 101.00 | 106.00 | 104.00 | 100.00 | 94.00 | 90.00 | 80.00 | 73.00 | 106.00 | |||||||||||||
1979 | 66.00 | 84.00 | 81.00 | 89.00 | 96.00 | 100.00 | 101.00 | 96.00 | 98.00 | 95.00 | 77.00 | 73.00 | 101.00 | |||||||||||||
1980 | 76.00 | 81.00 | 78.00 | 87.00 | 97.00 | 106.00 | 105.00 | 104.00 | 95.00 | 88.00 | 86.00 | 79.00 | 106.00 | |||||||||||||
1981 | 71.00 | 81.00 | 82.00 | 89.00 | 92.00 | 109.00 | 101.00 | 96.00 | 93.00 | 85.00 | 82.00 | 81.00 | 109.00 | |||||||||||||
1982 | 76.00 | 83.00 | 85.00 | 90.00 | 95.00 | 101.00 | 99.00 | 100.00 | ----- | z | 90.00 | 76.00 | 71.00 | 101.00 | ||||||||||||
1983 | 64.00 | 74.00 | 85.00 | 86.00 | 91.00 | 103.00 | 102.00 | 100.00 | 100.00 | 88.00 | 77.00 | 71.00 | 103.00 | |||||||||||||
1984 | 72.00 | 74.00 | 83.00 | 89.00 | 98.00 | 97.00 | 96.00 | 94.00 | 97.00 | 82.00 | 83.00 | 72.00 | 98.00 | |||||||||||||
1985 | 75.00 | 73.00 | 83.00 | 88.00 | 96.00 | 100.00 | 101.00 | 100.00 | 96.00 | 89.00 | 81.00 | 72.00 | 101.00 | |||||||||||||
1986 | 77.00 | 85.00 | 88.00 | 92.00 | 97.00 | 102.00 | 101.00 | 103.00 | 93.00 | 88.00 | 76.00 | 67.00 | 103.00 | |||||||||||||
1987 | 74.00 | 78.00 | 77.00 | 93.00 | 91.00 | 101.00 | 104.00 | 101.00 | 94.00 | 93.00 | 79.00 | 79.00 | 104.00 | |||||||||||||
1988 | 72.00 | 77.00 | 85.00 | 90.00 | 98.00 | 99.00 | 102.00 | 99.00 | 99.00 | 93.00 | 87.00 | 68.00 | 102.00 | |||||||||||||
1989 | 76.00 | 85.00 | 93.00 | 99.00 | 104.00 | 105.00 | 109.00 | 103.00 | 96.00 | 94.00 | 80.00 | 74.00 | 109.00 | |||||||||||||
1990 | 72.00 | 80.00 | 85.00 | 92.00 | 99.00 | 110.00 | 99.00 | 98.00 | 96.00 | 89.00 | 84.00 | 76.00 | 110.00 | |||||||||||||
1991 | 69.00 | 75.00 | 83.00 | 90.00 | 98.00 | 105.00 | 99.00 | 98.00 | 95.00 | 93.00 | 78.00 | 72.00 | 105.00 | |||||||||||||
1992 | 65.00 | 75.00 | 81.00 | 95.00 | 96.00 | 102.00 | 107.00 | 102.00 | 101.00 | 93.00 | 77.00 | 75.00 | 107.00 | |||||||||||||
1993 | 71.00 | 76.00 | 84.00 | 94.00 | 95.00 | 104.00 | 107.00 | 101.00 | 98.00 | 96.00 | 81.00 | 75.00 | 107.00 | |||||||||||||
1994 | 80.00 | 76.00 | 85.00 | 90.00 | 98.00 | 114.00 | 108.00 | 106.00 | 97.00 | 92.00 | 85.00 | 73.00 | 114.00 | |||||||||||||
1995 | 78.00 | 79.00 | 89.00 | a | 93.00 | 98.00 | 102.00 | 111.00 | 101.00 | 103.00 | 90.00 | 85.00 | 79.00 | 111.00 | ||||||||||||
1996 | 76.00 | 85.00 | 83.00 | 98.00 | 104.00 | 108.00 | 102.00 | 100.00 | 94.00 | 93.00 | 88.00 | 79.00 | 108.00 | |||||||||||||
1997 | 81.00 | 77.00 | 91.00 | 90.00 | 92.00 | 105.00 | 104.00 | a | 99.00 | 99.00 | 92.00 | 83.00 | 65.00 | 105.00 | ||||||||||||
1998 | 69.00 | 81.00 | 90.00 | 91.00 | 101.00 | 110.00 | 107.00 | 99.00 | 97.00 | 92.00 | 77.00 | 74.00 | 110.00 | |||||||||||||
1999 | 80.00 | 81.00 | 84.00 | 92.00 | 94.00 | 104.00 | 103.00 | 99.00 | 97.00 | 92.00 | 80.00 | 71.00 | 104.00 | |||||||||||||
2000 | 80.00 | 81.00 | 83.00 | 95.00 | 107.00 | 102.00 | 104.00 | 100.00 | 103.00 | 99.00 | 73.00 | 67.00 | 107.00 | |||||||||||||
2001 | 73.00 | 76.00 | 82.00 | 92.00 | 99.00 | 105.00 | 103.00 | 102.00 | 102.00 | 91.00 | 82.00 | 74.00 | 105.00 | |||||||||||||
2002 | 78.00 | 81.00 | 89.00 | 96.00 | 101.00 | 106.00 | 101.00 | 107.00 | 97.00 | 89.00 | 80.00 | 72.00 | 107.00 | |||||||||||||
2003 | 75.00 | 80.00 | 83.00 | 92.00 | 106.00 | 103.00 | 106.00 | 103.00 | 99.00 | 91.00 | 85.00 | 77.00 | 106.00 | |||||||||||||
2004 | 75.00 | 74.00 | 88.00 | 86.00 | 99.00 | 104.00 | 102.00 | 98.00 | 96.00 | 86.00 | 75.00 | 73.00 | 104.00 | |||||||||||||
2005 | 73.00 | 75.00 | a | 81.00 | 88.00 | 105.00 | 105.00 | 108.00 | 98.00 | 98.00 | 93.00 | 83.00 | 80.00 | 108.00 | ||||||||||||
2006 | 79.00 | 87.00 | 86.00 | 95.00 | 102.00 | 108.00 | 102.00 | 99.00 | 90.00 | 91.00 | 85.00 | 74.00 | 108.00 | |||||||||||||
2007 | 74.00 | 79.00 | 87.00 | 88.00 | 94.00 | 104.00 | 99.00 | 107.00 | 98.00 | 96.00 | 87.00 | 78.00 | 107.00 | |||||||||||||
2008 | 73.00 | 84.00 | 89.00 | 93.00 | 103.00 | 106.00 | 100.00 | 100.00 | 92.00 | 88.00 | 83.00 | 83.00 | 106.00 | |||||||||||||
2009 | 78.00 | 85.00 | 89.00 | 92.00 | 101.00 | 102.00 | 105.00 | 101.00 | 98.00 | 92.00 | 82.00 | 70.00 | 105.00 | |||||||||||||
2010 | 70.00 | 71.00 | 89.00 | 89.00 | 99.00 | 110.00 | 99.00 | 101.00 | 100.00 | 89.00 | 82.00 | 78.00 | 110.00 | |||||||||||||
2011 | 75.00 | 85.00 | 90.00 | 97.00 | 105.00 | 109.00 | 104.00 | 107.00 | 100.00 | 92.00 | 84.00 | 67.00 | 109.00 | |||||||||||||
2012 | 80.00 | 80.00 | 92.00 | 102.00 | 102.00 | 108.00 | 101.00 | 106.00 | 104.00 | 95.00 | 87.00 | 80.00 | 108.00 | |||||||||||||
2013 | 74.00 | 74.00 | 90.00 | 89.00 | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 55.00 | z | 90.00 | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 74.12 | 79.00 | 85.46 | 91.32 | 98.35 | 104.57 | 102.60 | 100.65 | 97.18 | 90.80 | 81.22 | 74.12 | 105.92 | |||||||||||||
S.D. | 4.61 | 4.10 | 3.87 | 3.74 | 4.34 | 3.51 | 3.52 | 3.13 | 3.16 | 3.42 | 3.98 | 4.25 | 3.24 | |||||||||||||
SKEW | -0.19 | 0.13 | -0.05 | 0.75 | 0.06 | 0.36 | 0.23 | 0.41 | 0.12 | -0.17 | -0.34 | -0.02 | -0.05 | |||||||||||||
MAX | 82.00 | 87.00 | 93.00 | 102.00 | 107.00 | 114.00 | 111.00 | 107.00 | 104.00 | 99.00 | 88.00 | 83.00 | 114.00 | |||||||||||||
MIN | 64.00 | 71.00 | 77.00 | 85.00 | 91.00 | 97.00 | 96.00 | 94.00 | 90.00 | 82.00 | 73.00 | 65.00 | 98.00 | |||||||||||||
NO YRS | 41 | 41 | 41 | 40 | 40 | 40 | 40 | 40 | 39 | 40 | 40 | 41 | 39 |