YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 104.00 | r | 100.00 | 83.00 | 76.00 | ----- | z | |||
1952 | 75.00 | 79.00 | 83.00 | 95.00 | 105.00 | 112.00 | 113.00 | j | 111.00 | 113.00 | 103.00 | q | 81.00 | i | 79.00 | ----- | z | |||||||||
1953 | 82.00 | 84.00 | 91.00 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 86.00 | q | 79.00 | a | ----- | z | ||
1954 | 82.00 | 87.00 | ----- | 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 | 78.00 | h | 93.00 | 95.00 | 107.00 | 114.00 | a | 115.00 | 110.00 | 111.00 | a | 97.00 | a | 87.00 | 78.00 | a | ----- | z | ||||||
1957 | ----- | z | 84.00 | n | 86.00 | 93.00 | a | 103.00 | 116.00 | 117.00 | c | 114.00 | 108.00 | 101.00 | 78.00 | 79.00 | a | ----- | z | |||||||
1958 | 75.00 | 80.00 | 80.00 | 102.00 | 112.00 | 112.00 | a | 119.00 | b | 111.00 | 108.00 | 100.00 | e | 87.00 | a | 83.00 | 119.00 | i | ||||||||
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 109.00 | n | 109.00 | 100.00 | d | 82.00 | c | 80.00 | ----- | z | ||
1960 | 75.00 | ----- | z | 93.00 | ----- | z | ----- | z | 116.00 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
1961 | ----- | z | 81.00 | a | 87.00 | b | 98.00 | 99.00 | a | 114.00 | e | 113.00 | g | 109.00 | 101.00 | 98.00 | 82.00 | 76.00 | ----- | z | ||||||
1962 | 78.00 | b | 83.00 | 90.00 | 99.00 | a | 100.00 | 110.00 | 110.00 | 112.00 | 109.00 | 98.00 | 90.00 | 80.00 | 112.00 | c | ||||||||||
1963 | 78.00 | 91.00 | 87.00 | a | 95.00 | 104.00 | 106.00 | 110.00 | 107.00 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||||
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1965 | ----- | z | 82.00 | 85.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 94.00 | h | 82.00 | ----- | z | |||
1966 | 77.00 | 74.00 | ----- | 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 | 78.00 | a | 105.00 | 103.00 | c | 115.00 | a | 115.00 | c | 115.00 | d | ----- | z | 112.00 | g | ----- | z | 87.00 | a | ----- | z | |
1981 | 83.00 | t | ----- | z | ----- | z | 100.00 | 100.00 | 114.00 | 114.00 | 114.00 | 106.00 | d | 95.00 | 89.00 | 80.00 | ----- | z | ||||||||
1982 | 76.00 | c | 85.00 | d | 83.00 | a | 95.00 | a | 102.00 | b | 109.00 | 112.00 | a | 110.00 | 113.00 | 96.00 | 83.00 | 72.00 | 113.00 | l | ||||||
1983 | 79.00 | 77.00 | a | 89.00 | 90.00 | 113.00 | 107.00 | 115.00 | a | 111.00 | ----- | z | 93.00 | e | 90.00 | a | 71.00 | f | ----- | z | ||||||
1984 | 79.00 | 81.00 | 89.00 | a | 100.00 | 115.00 | b | ----- | z | ----- | z | 112.00 | c | 106.00 | c | 94.00 | a | 88.00 | 72.00 | h | ----- | z | ||||
1985 | 70.00 | e | 81.00 | a | 85.00 | 102.00 | a | 102.00 | b | 115.00 | c | 119.00 | c | 117.00 | b | 107.00 | b | 96.00 | b | 86.00 | a | 75.00 | d | ----- | z | |
1986 | 80.00 | a | 89.00 | a | 95.00 | b | 97.00 | b | 105.00 | 113.00 | a | 114.00 | a | 111.00 | 110.00 | 92.00 | b | 92.00 | a | 73.00 | 114.00 | k | ||||
1987 | 78.00 | 80.00 | 84.00 | a | ----- | z | 100.00 | 113.00 | a | 113.00 | 110.00 | a | 106.00 | c | 103.00 | c | 81.00 | 73.00 | ----- | z | ||||||
1988 | 76.00 | 81.00 | 97.00 | b | 97.00 | e | 105.00 | c | 113.00 | b | 112.00 | 110.00 | 105.00 | 102.00 | a | 89.00 | a | 76.00 | 113.00 | n | ||||||
1989 | 74.00 | a | 88.00 | a | 91.00 | a | 102.00 | a | 108.00 | 113.00 | 116.00 | 110.00 | 107.00 | 99.00 | a | 85.00 | a | 76.00 | 116.00 | f | ||||||
1990 | 79.00 | 83.00 | 92.00 | 97.00 | a | 101.00 | 121.00 | 113.00 | 110.00 | 112.00 | j | ----- | z | 87.00 | l | 77.00 | a | ----- | z | |||||||
1991 | 73.00 | 83.00 | 81.00 | a | 94.00 | 101.00 | 112.00 | a | 111.00 | 111.00 | a | 105.00 | a | 104.00 | 89.00 | a | 75.00 | a | 112.00 | f | ||||||
1992 | 75.00 | 80.00 | 81.00 | b | 104.00 | a | 103.00 | 110.00 | c | 113.00 | 113.00 | b | 107.00 | 100.00 | b | 85.00 | b | 71.00 | a | 113.00 | m | |||||
1993 | 74.00 | b | 73.00 | b | 86.00 | b | 101.00 | c | 102.00 | 115.00 | f | 117.00 | a | ----- | z | ----- | z | 104.00 | r | ----- | z | ----- | z | ----- | z | |
1994 | 81.00 | n | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2004 | ----- | z | ----- | z | 98.00 | q | 98.00 | d | 103.00 | b | 109.00 | a | 112.00 | t | ----- | z | ----- | z | 81.00 | w | 86.00 | h | 75.00 | n | ----- | z |
2005 | 80.00 | c | 71.00 | m | 86.00 | k | 92.00 | n | 108.00 | i | 115.00 | a | 118.00 | b | 113.00 | b | 106.00 | k | 100.00 | e | 87.00 | q | ----- | z | ----- | z |
2006 | 76.00 | s | 83.00 | d | 87.00 | g | 98.00 | j | 105.00 | b | 113.00 | 118.00 | f | 110.00 | d | 108.00 | c | 100.00 | 89.00 | a | 79.00 | d | ----- | z | ||
2007 | 77.00 | g | 82.00 | e | 98.00 | h | 101.00 | f | 104.00 | a | 113.00 | 117.00 | 113.00 | e | 110.00 | 98.00 | 92.00 | 72.00 | ----- | z | ||||||
2008 | 71.00 | 80.00 | f | 90.00 | d | 99.00 | g | 111.00 | g | 116.00 | d | 114.00 | g | 115.00 | b | 109.00 | 101.00 | 94.00 | 75.00 | ----- | z | |||||
2009 | 80.00 | 85.00 | 90.00 | 101.00 | 108.00 | 112.00 | 115.00 | 114.00 | 108.00 | 100.00 | 93.00 | 73.00 | 115.00 | |||||||||||||
2010 | 76.00 | 77.00 | 87.00 | 97.00 | 101.00 | 113.00 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 76.75 | 81.96 | 87.42 | 98.13 | 104.27 | 112.81 | 114.52 | 111.92 | 107.90 | 98.57 | 87.00 | 77.04 | 113.50 | |||||||||||||
S.D. | 3.15 | 4.27 | 4.80 | 3.72 | 4.12 | 3.06 | 2.71 | 2.08 | 2.76 | 3.10 | 4.24 | 3.85 | 2.12 | |||||||||||||
SKEW | -0.26 | -0.01 | -0.04 | -0.10 | 1.14 | 0.01 | -0.00 | 0.70 | -0.21 | -0.46 | -0.28 | 0.54 | 0.00 | |||||||||||||
MAX | 82.00 | 91.00 | 97.00 | 105.00 | 115.00 | 121.00 | 119.00 | 117.00 | 113.00 | 104.00 | 94.00 | 87.00 | 115.00 | |||||||||||||
MIN | 70.00 | 73.00 | 78.00 | 90.00 | 99.00 | 106.00 | 110.00 | 109.00 | 101.00 | 92.00 | 78.00 | 71.00 | 112.00 | |||||||||||||
YRS | 24 | 25 | 26 | 23 | 26 | 27 | 21 | 24 | 21 | 23 | 22 | 25 | 2 |