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 | 97.00 | 102.00 | 101.00 | 101.00 | 91.00 | 88.00 | 71.00 | 70.00 | 102.00 | |||||||||
1962 | 67.00 | 78.00 | 78.00 | 92.00 | 95.00 | 101.00 | 99.00 | 100.00 | 96.00 | 87.00 | 78.00 | 66.00 | 101.00 | |||||||||||||
1963 | 72.00 | 77.00 | 83.00 | 90.00 | 95.00 | 104.00 | 106.00 | 95.00 | 95.00 | 89.00 | 77.00 | 66.00 | 106.00 | |||||||||||||
1964 | 65.00 | 67.00 | 79.00 | 87.00 | 98.00 | 100.00 | 105.00 | 102.00 | 96.00 | 86.00 | 76.00 | 70.00 | 105.00 | |||||||||||||
1965 | 69.00 | 71.00 | 76.00 | 93.00 | 95.00 | 100.00 | 102.00 | 101.00 | 91.00 | 92.00 | 77.00 | 69.00 | 102.00 | |||||||||||||
1966 | 67.00 | 69.00 | 80.00 | 86.00 | 95.00 | 100.00 | 102.00 | 99.00 | 92.00 | 87.00 | 80.00 | 71.00 | 102.00 | |||||||||||||
1967 | 74.00 | 75.00 | 85.00 | 88.00 | 95.00 | 100.00 | 100.00 | 97.00 | 93.00 | 89.00 | 77.00 | 63.00 | 100.00 | |||||||||||||
1968 | 68.00 | 76.00 | 82.00 | 82.00 | 96.00 | 104.00 | 100.00 | 94.00 | 95.00 | 89.00 | 76.00 | 69.00 | 104.00 | |||||||||||||
1969 | 74.00 | 73.00 | 86.00 | 90.00 | 97.00 | 103.00 | 102.00 | 101.00 | 93.00 | 90.00 | 77.00 | 71.00 | 103.00 | |||||||||||||
1970 | 77.00 | 76.00 | 77.00 | 84.00 | 97.00 | 105.00 | 101.00 | 98.00 | 97.00 | 83.00 | 80.00 | 74.00 | 105.00 | |||||||||||||
1971 | 80.00 | 76.00 | 88.00 | 91.00 | 92.00 | 103.00 | 102.00 | 97.00 | 98.00 | 85.00 | 77.00 | 72.00 | 103.00 | |||||||||||||
1972 | 73.00 | 81.00 | 85.00 | 92.00 | 92.00 | 102.00 | a | 105.00 | 101.00 | 92.00 | 93.00 | 74.00 | 68.00 | 105.00 | ||||||||||||
1973 | 66.00 | 73.00 | 73.00 | 87.00 | 95.00 | 108.00 | 106.00 | 99.00 | 96.00 | 92.00 | 84.00 | 72.00 | 108.00 | |||||||||||||
1974 | 74.00 | 77.00 | 85.00 | 92.00 | 100.00 | 107.00 | 100.00 | 98.00 | 99.00 | 90.00 | 74.00 | 67.00 | 107.00 | |||||||||||||
1975 | 75.00 | 75.00 | 80.00 | 87.00 | 94.00 | 101.00 | 100.00 | 98.00 | 97.00 | 91.00 | 83.00 | 75.00 | 101.00 | |||||||||||||
1976 | 74.00 | 80.00 | 81.00 | 86.00 | 93.00 | 102.00 | 102.00 | 98.00 | 93.00 | 82.00 | 74.00 | 62.00 | 102.00 | |||||||||||||
1977 | 64.00 | 77.00 | 74.00 | 86.00 | 94.00 | 104.00 | 102.00 | 102.00 | 96.00 | 90.00 | 79.00 | 72.00 | 104.00 | |||||||||||||
1978 | 70.00 | 71.00 | 86.00 | 90.00 | 96.00 | 104.00 | 106.00 | 99.00 | 95.00 | 91.00 | 75.00 | 68.00 | 106.00 | |||||||||||||
1979 | 61.00 | 76.00 | 79.00 | 88.00 | 94.00 | 102.00 | 109.00 | 100.00 | 102.00 | 95.00 | 77.00 | 73.00 | 109.00 | |||||||||||||
1980 | 72.00 | 78.00 | 77.00 | 88.00 | 92.00 | 107.00 | 103.00 | 103.00 | 96.00 | 93.00 | 83.00 | 76.00 | 107.00 | |||||||||||||
1981 | 68.00 | 77.00 | 82.00 | 92.00 | 92.00 | 107.00 | 104.00 | 100.00 | 95.00 | 85.00 | ----- | z | ----- | z | 107.00 | |||||||||||
1982 | ----- | z | ----- | z | 81.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 81.00 | ||
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
2008 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
2009 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
2010 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
2011 | 74.00 | 77.00 | 86.00 | 91.00 | k | 96.00 | 107.00 | 103.00 | 103.00 | 99.00 | 89.00 | 82.00 | 72.00 | a | 107.00 | |||||||||||
2012 | 70.00 | 73.00 | 84.00 | 94.00 | a | 98.00 | 106.00 | 100.00 | a | 101.00 | 99.00 | 91.00 | 81.00 | a | 76.00 | 106.00 | ||||||||||
2013 | 70.00 | 70.00 | 85.00 | 82.00 | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 44.00 | z | 85.00 | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 70.61 | 74.91 | 81.33 | 88.81 | 95.13 | 103.43 | 102.61 | 99.43 | 95.48 | 89.00 | 77.82 | 70.09 | 104.30 | |||||||||||||
S.D. | 4.51 | 3.52 | 4.11 | 3.16 | 2.14 | 2.61 | 2.55 | 2.35 | 2.83 | 3.28 | 3.38 | 3.80 | 2.52 | |||||||||||||
SKEW | -0.10 | -0.53 | -0.34 | -0.25 | 0.19 | 0.26 | 0.75 | -0.51 | 0.26 | -0.40 | 0.16 | -0.38 | 0.07 | |||||||||||||
MAX | 80.00 | 81.00 | 88.00 | 94.00 | 100.00 | 108.00 | 109.00 | 103.00 | 102.00 | 95.00 | 84.00 | 76.00 | 109.00 | |||||||||||||
MIN | 61.00 | 67.00 | 73.00 | 82.00 | 92.00 | 100.00 | 99.00 | 94.00 | 91.00 | 82.00 | 71.00 | 62.00 | 100.00 | |||||||||||||
NO YRS | 23 | 23 | 24 | 21 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 20 |