YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 102.00 | 93.00 | 80.00 | 65.00 | a | ----- | z | |||
1995 | 72.00 | 71.00 | 79.00 | 87.00 | d | 98.00 | d | 107.00 | 106.00 | 106.00 | a | 101.00 | 94.00 | b | 80.00 | a | 74.00 | a | 107.00 | m | ||||||
1996 | 69.00 | a | 75.00 | 85.00 | 94.00 | 97.00 | b | 105.00 | 108.00 | a | 110.00 | a | 105.00 | 100.00 | 79.00 | 71.00 | a | 110.00 | f | |||||||
1997 | 77.00 | 75.00 | d | 89.00 | 92.00 | 99.00 | 100.00 | 103.00 | a | 110.00 | 100.00 | a | 98.00 | b | 84.00 | 66.00 | 110.00 | h | ||||||||
1998 | 79.00 | b | 71.00 | 83.00 | c | 94.00 | b | 90.00 | c | 98.00 | c | 108.00 | a | 111.00 | g | 106.00 | a | 88.00 | a | 74.00 | 76.00 | b | 111.00 | y | ||
1999 | 69.00 | 73.00 | 77.00 | b | 92.00 | b | 97.00 | a | 103.00 | 108.00 | 103.00 | 99.00 | 97.00 | 83.00 | 72.00 | a | 108.00 | f | ||||||||
2000 | 73.00 | a | 75.00 | 79.00 | a | 92.00 | 104.00 | 105.00 | a | 104.00 | c | 108.00 | 104.00 | a | 95.00 | 74.00 | a | 73.00 | 108.00 | h | ||||||
2001 | 79.00 | a | 69.00 | b | 85.00 | 94.00 | a | 103.00 | a | 106.00 | 109.00 | 106.00 | 100.00 | 98.00 | 82.00 | 71.00 | 109.00 | e | ||||||||
2002 | 67.00 | a | 84.00 | 94.00 | c | 90.00 | 100.00 | d | 104.00 | a | 110.00 | 107.00 | a | 105.00 | a | 94.00 | 79.00 | a | 71.00 | 110.00 | l | |||||
2003 | 69.00 | 70.00 | 87.00 | a | 90.00 | b | 107.00 | c | 107.00 | a | 107.00 | b | 103.00 | 105.00 | 92.00 | a | 73.00 | 71.00 | a | 107.00 | k | |||||
2004 | 69.00 | b | 77.00 | a | 90.00 | b | 96.00 | 100.00 | 100.00 | 105.00 | 107.00 | 102.00 | 92.00 | a | 70.00 | a | 65.00 | 107.00 | g | |||||||
2005 | 67.00 | 67.00 | 81.00 | 88.00 | 97.00 | 98.00 | 107.00 | a | 106.00 | 97.00 | 94.00 | c | 81.00 | 75.00 | c | 107.00 | g | |||||||||
2006 | 69.00 | 77.00 | c | 79.00 | a | 89.00 | d | 101.00 | 107.00 | 110.00 | e | 103.00 | b | 102.00 | b | 88.00 | 76.00 | 80.00 | 110.00 | q | ||||||
2007 | 70.00 | 74.00 | b | 87.00 | 97.00 | 98.00 | 105.00 | 110.00 | a | 107.00 | 107.00 | g | 92.00 | a | 81.00 | h | 74.00 | h | ----- | z | ||||||
2008 | 70.00 | a | 75.00 | d | 83.00 | 97.00 | a | 106.00 | a | 108.00 | 112.00 | a | 106.00 | b | 103.00 | 95.00 | 80.00 | 60.00 | 112.00 | j | ||||||
2009 | 70.00 | 80.00 | 80.00 | a | 96.00 | a | 105.00 | 107.00 | 110.00 | 103.00 | 104.00 | a | 85.00 | b | 85.00 | 67.00 | a | 110.00 | f | |||||||
2010 | 69.00 | 74.00 | 82.00 | 85.00 | 92.00 | 106.00 | c | 105.00 | b | 110.00 | 100.00 | n | 99.00 | 91.00 | 72.00 | b | 110.00 | u | ||||||||
2011 | 65.00 | a | 69.00 | a | 80.00 | c | 86.00 | 94.00 | 104.00 | 104.00 | c | 102.00 | 103.00 | t | ----- | z | ----- | z | ----- | z | ----- | z | ||||
2012 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2013 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2014 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2015 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2016 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2017 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 70.76 | 73.88 | 83.53 | 91.71 | 99.29 | 104.12 | 107.41 | 106.06 | 102.33 | 93.76 | 79.44 | 70.56 | 0.0 | |||||||||||||
S.D. | 4.05 | 4.27 | 4.67 | 3.84 | 4.77 | 3.24 | 2.60 | 2.67 | 2.58 | 4.10 | 5.23 | 4.95 | 0.0 | |||||||||||||
SKEW | 1.00 | 0.55 | 0.64 | -0.21 | -0.16 | -0.81 | -0.09 | 0.04 | -0.43 | -0.47 | 0.20 | -0.29 | 0.00 | |||||||||||||
MAX | 79.00 | 84.00 | 94.00 | 97.00 | 107.00 | 108.00 | 112.00 | 110.00 | 106.00 | 100.00 | 91.00 | 80.00 | -9999 | |||||||||||||
MIN | 65.00 | 67.00 | 77.00 | 85.00 | 90.00 | 98.00 | 103.00 | 102.00 | 97.00 | 85.00 | 70.00 | 60.00 | 9999 | |||||||||||||
YRS | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 15 | 17 | 16 | 16 | 0 |