YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | 101.00 | 99.00 | 95.00 | 90.00 | 79.00 | 73.00 | 101.00 | |||||||
1963 | 73.00 | 76.00 | 87.00 | 89.00 | 96.00 | 95.00 | 100.00 | 95.00 | 95.00 | 91.00 | 78.00 | 71.00 | 100.00 | |||||||||||||
1964 | 71.00 | 62.00 | 72.00 | 87.00 | 97.00 | 99.00 | 102.00 | 102.00 | 95.00 | 88.00 | 79.00 | 75.00 | 102.00 | |||||||||||||
1965 | 72.00 | 76.00 | 77.00 | 96.00 | 94.00 | 95.00 | 97.00 | 96.00 | 94.00 | 93.00 | 79.00 | 75.00 | 97.00 | |||||||||||||
1966 | 65.00 | 66.00 | 82.00 | 85.00 | 96.00 | 98.00 | 102.00 | 97.00 | 90.00 | 84.00 | 82.00 | 72.00 | 102.00 | |||||||||||||
1967 | 75.00 | 76.00 | 86.00 | 87.00 | 95.00 | 95.00 | 96.00 | 98.00 | 94.00 | 91.00 | 80.00 | 70.00 | 98.00 | |||||||||||||
1968 | 69.00 | 70.00 | 82.00 | 81.00 | 93.00 | 108.00 | 96.00 | 97.00 | 93.00 | 90.00 | 77.00 | 70.00 | 108.00 | |||||||||||||
1969 | 75.00 | 71.00 | 74.00 | 85.00 | 92.00 | 99.00 | 101.00 | 101.00 | 92.00 | 90.00 | 75.00 | 72.00 | 101.00 | |||||||||||||
1970 | 75.00 | 78.00 | 78.00 | 82.00 | 93.00 | 103.00 | 99.00 | 99.00 | 97.00 | 85.00 | 80.00 | 76.00 | 103.00 | |||||||||||||
1971 | 74.00 | 74.00 | 87.00 | 90.00 | 94.00 | 94.00 | 101.00 | 90.00 | 94.00 | 85.00 | 79.00 | 74.00 | 101.00 | |||||||||||||
1972 | 77.00 | 80.00 | 84.00 | 91.00 | 92.00 | 97.00 | 99.00 | 96.00 | 92.00 | 89.00 | 72.00 | 70.00 | 99.00 | |||||||||||||
1973 | 64.00 | 70.00 | 72.00 | 81.00 | 91.00 | 100.00 | 100.00 | 100.00 | 92.00 | 92.00 | 82.00 | 75.00 | 100.00 | |||||||||||||
1974 | 78.00 | 74.00 | 85.00 | 88.00 | 98.00 | 101.00 | 102.00 | 96.00 | 93.00 | 85.00 | 75.00 | 68.00 | 102.00 | |||||||||||||
1975 | 77.00 | 75.00 | 79.00 | 85.00 | 88.00 | 100.00 | 93.00 | 98.00 | 95.00 | 90.00 | 82.00 | 75.00 | 100.00 | |||||||||||||
1976 | 70.00 | 79.00 | 81.00 | 86.00 | 94.00 | 102.00 | 96.00 | 96.00 | 92.00 | 86.00 | 76.00 | 70.00 | 102.00 | |||||||||||||
1977 | 58.00 | 75.00 | 78.00 | 86.00 | 95.00 | 105.00 | 101.00 | 101.00 | 96.00 | 92.00 | 80.00 | 72.00 | 105.00 | |||||||||||||
1978 | 65.00 | 65.00 | 81.00 | 89.00 | 97.00 | 105.00 | 105.00 | 99.00 | 95.00 | 88.00 | 79.00 | 72.00 | 105.00 | |||||||||||||
1979 | 65.00 | 81.00 | 78.00 | 86.00 | 91.00 | 98.00 | 98.00 | 93.00 | 98.00 | 96.00 | 71.00 | 70.00 | 98.00 | |||||||||||||
1980 | 72.00 | 78.00 | 74.00 | 86.00 | 89.00 | 105.00 | 101.00 | 98.00 | 95.00 | 86.00 | 86.00 | 75.00 | 105.00 | |||||||||||||
1981 | 73.00 | 78.00 | 80.00 | 90.00 | 91.00 | 106.00 | 101.00 | 93.00 | 93.00 | 87.00 | 80.00 | 75.00 | 106.00 | |||||||||||||
1982 | 68.00 | 77.00 | 82.00 | 87.00 | 88.00 | 97.00 | 96.00 | 103.00 | 96.00 | 86.00 | 83.00 | 70.00 | 103.00 | |||||||||||||
1983 | 68.00 | 71.00 | 80.00 | 85.00 | 88.00 | 100.00 | 101.00 | 98.00 | 99.00 | 90.00 | 80.00 | 70.00 | 101.00 | |||||||||||||
1984 | 72.00 | a | 73.00 | 81.00 | 86.00 | 95.00 | 95.00 | 92.00 | 95.00 | 97.00 | 86.00 | 78.00 | 79.00 | 97.00 | ||||||||||||
1985 | 67.00 | 69.00 | 78.00 | 84.00 | 93.00 | 97.00 | 95.00 | 99.00 | 93.00 | 87.00 | 77.00 | 70.00 | 99.00 | |||||||||||||
1986 | 80.00 | 82.00 | 87.00 | 88.00 | 95.00 | 93.00 | 100.00 | 100.00 | 89.00 | 83.00 | 75.00 | 60.00 | 100.00 | |||||||||||||
1987 | 68.00 | 74.00 | 75.00 | 92.00 | 86.00 | 99.00 | 98.00 | 96.00 | 87.00 | 91.00 | 78.00 | 74.00 | 99.00 | |||||||||||||
1988 | 70.00 | 75.00 | 82.00 | 82.00 | 94.00 | 97.00 | 95.00 | 97.00 | 93.00 | 89.00 | 79.00 | 64.00 | 97.00 | |||||||||||||
1989 | 69.00 | 83.00 | 91.00 | 96.00 | 98.00 | 97.00 | 98.00 | 99.00 | 92.00 | 91.00 | 78.00 | 70.00 | 99.00 | |||||||||||||
1990 | 70.00 | 75.00 | 79.00 | 86.00 | 94.00 | 108.00 | 95.00 | 97.00 | 94.00 | 84.00 | 81.00 | 73.00 | 108.00 | |||||||||||||
1991 | 64.00 | 71.00 | 79.00 | 88.00 | 95.00 | 96.00 | 96.00 | 93.00 | 91.00 | 90.00 | 76.00 | 66.00 | 96.00 | |||||||||||||
1992 | 61.00 | 70.00 | 76.00 | 88.00 | 93.00 | 95.00 | 101.00 | 97.00 | 94.00 | 88.00 | 73.00 | 69.00 | 101.00 | |||||||||||||
1993 | 65.00 | 71.00 | 80.00 | 87.00 | 89.00 | 98.00 | 102.00 | 95.00 | 90.00 | 86.00 | 73.00 | 73.00 | 102.00 | |||||||||||||
1994 | 73.00 | 73.00 | 79.00 | 88.00 | 92.00 | 104.00 | 100.00 | 102.00 | 96.00 | 90.00 | 81.00 | 69.00 | 104.00 | |||||||||||||
1995 | 70.00 | 76.00 | 85.00 | 85.00 | 93.00 | 99.00 | 105.00 | 94.00 | 99.00 | 84.00 | 80.00 | 76.00 | 105.00 | |||||||||||||
1996 | 71.00 | 79.00 | 81.00 | 92.00 | 99.00 | 104.00 | 97.00 | 94.00 | 89.00 | 89.00 | 82.00 | 74.00 | 104.00 | |||||||||||||
1997 | 73.00 | 73.00 | 85.00 | 81.00 | 90.00 | 99.00 | 99.00 | 93.00 | 97.00 | 90.00 | 81.00 | 68.00 | 99.00 | |||||||||||||
1998 | 69.00 | 75.00 | 83.00 | 87.00 | 98.00 | 105.00 | 100.00 | 94.00 | 96.00 | 88.00 | 77.00 | 72.00 | 105.00 | |||||||||||||
1999 | 77.00 | 76.00 | 77.00 | 85.00 | 89.00 | 100.00 | 97.00 | 96.00 | 96.00 | 87.00 | 82.00 | 70.00 | 100.00 | |||||||||||||
2000 | 77.00 | 78.00 | 78.00 | 89.00 | 100.00 | 98.00 | 100.00 | 98.00 | 99.00 | 96.00 | 73.00 | 68.00 | 100.00 | |||||||||||||
2001 | 56.00 | 73.00 | 79.00 | 86.00 | 93.00 | 101.00 | 102.00 | 99.00 | 96.00 | 88.00 | 82.00 | 70.00 | 102.00 | |||||||||||||
2002 | 72.00 | 78.00 | 83.00 | 89.00 | 93.00 | 100.00 | 101.00 | 102.00 | 91.00 | 85.00 | 74.00 | 70.00 | 102.00 | |||||||||||||
2003 | 73.00 | 71.00 | 78.00 | 85.00 | 100.00 | 96.00 | 103.00 | ----- | z | 93.00 | 88.00 | 78.00 | 74.00 | 103.00 | ||||||||||||
2004 | 70.00 | 75.00 | 84.00 | 82.00 | 94.00 | 100.00 | 95.00 | 95.00 | 93.00 | 87.00 | 76.00 | 71.00 | 100.00 | |||||||||||||
2005 | 72.00 | 72.00 | 81.00 | 82.00 | 97.00 | 98.00 | 102.00 | 93.00 | 96.00 | 87.00 | 81.00 | 73.00 | 102.00 | |||||||||||||
2006 | 74.00 | 77.00 | 84.00 | 90.00 | 99.00 | 102.00 | 101.00 | 97.00 | 89.00 | 91.00 | 85.00 | 68.00 | 102.00 | |||||||||||||
2007 | 65.00 | 74.00 | 83.00 | 84.00 | 88.00 | 94.00 | 93.00 | 105.00 | 94.00 | 90.00 | 82.00 | 71.00 | 105.00 | |||||||||||||
2008 | 67.00 | 74.00 | 84.00 | 87.00 | 92.00 | 101.00 | 95.00 | 97.00 | 90.00 | 86.00 | 82.00 | 75.00 | 101.00 | |||||||||||||
2009 | 74.00 | 78.00 | 84.00 | 89.00 | 96.00 | 96.00 | 99.00 | 96.00 | 92.00 | 92.00 | 79.00 | 62.00 | 99.00 | |||||||||||||
2010 | 68.00 | 65.00 | 84.00 | 85.00 | 92.00 | 99.00 | 95.00 | 97.00 | 99.00 | 89.00 | 78.00 | 76.00 | 99.00 | |||||||||||||
2011 | 73.00 | 79.00 | 85.00 | 90.00 | 98.00 | 106.00 | 101.00 | 104.00 | 102.00 | 90.00 | 78.00 | 64.00 | 106.00 | |||||||||||||
2012 | 72.00 | 74.00 | 88.00 | 97.00 | 96.00 | 103.00 | 99.00 | 104.00 | 101.00 | 88.00 | h | ----- | z | ----- | z | 104.00 | ||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 70.32 | 74.30 | 81.04 | 87.04 | 93.66 | 99.64 | 98.90 | 97.46 | 94.18 | 88.52 | 78.66 | 71.18 | 101.48 | |||||||||||||
S.D. | 4.98 | 4.37 | 4.15 | 3.65 | 3.44 | 3.83 | 3.06 | 3.26 | 3.19 | 2.91 | 3.29 | 3.75 | 2.90 | |||||||||||||
SKEW | -0.65 | -0.58 | -0.10 | 0.67 | -0.15 | 0.44 | -0.31 | 0.29 | 0.15 | 0.36 | -0.30 | -0.75 | 0.33 | |||||||||||||
MAX | 80.00 | 83.00 | 91.00 | 97.00 | 100.00 | 108.00 | 105.00 | 105.00 | 102.00 | 96.00 | 86.00 | 79.00 | 108.00 | |||||||||||||
MIN | 56.00 | 62.00 | 72.00 | 81.00 | 86.00 | 93.00 | 92.00 | 90.00 | 87.00 | 83.00 | 71.00 | 60.00 | 96.00 | |||||||||||||
NO YRS | 50 | 50 | 50 | 50 | 50 | 50 | 51 | 50 | 51 | 50 | 50 | 50 | 48 |