YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1933 | 80.00 | c | 83.00 | 83.00 | 83.00 | 83.00 | 87.00 | 87.00 | 87.00 | 88.00 | 89.00 | 88.00 | 87.00 | 89.00 | c | |||||||||||
1934 | 87.00 | a | 87.00 | 89.00 | 86.00 | a | 87.00 | 86.00 | 87.00 | h | 90.00 | 91.00 | 90.00 | 89.00 | a | 87.00 | 91.00 | k | ||||||||
1935 | 83.00 | d | 81.00 | 85.00 | 84.00 | 85.00 | 88.00 | a | 90.00 | 90.00 | 90.00 | 88.00 | b | 85.00 | a | 85.00 | i | 90.00 | q | |||||||
1936 | 85.00 | g | 84.00 | 78.00 | 82.00 | a | 79.00 | a | ----- | z | 81.00 | 81.00 | 83.00 | d | 85.00 | 87.00 | 79.00 | ----- | z | |||||||
1937 | 81.00 | 84.00 | k | 79.00 | d | 79.00 | 81.00 | 85.00 | 88.00 | 91.00 | 85.00 | r | 90.00 | 89.00 | 86.00 | ----- | z | |||||||||
1938 | 86.00 | a | 87.00 | 83.00 | 83.00 | 84.00 | 84.00 | 84.00 | 89.00 | b | 91.00 | 89.00 | 80.00 | x | 87.00 | ----- | z | |||||||||
1939 | 83.00 | a | 84.00 | 85.00 | 85.00 | a | 80.00 | w | 83.00 | 85.00 | 85.00 | o | 88.00 | 82.00 | x | 82.00 | 84.00 | b | ----- | z | ||||||
1940 | 85.00 | 86.00 | 85.00 | 88.00 | a | 86.00 | 85.00 | a | 87.00 | 86.00 | 89.00 | 88.00 | m | 85.00 | 85.00 | 89.00 | o | |||||||||
1941 | 84.00 | 82.00 | 82.00 | 83.00 | 84.00 | 84.00 | 85.00 | 86.00 | 88.00 | a | 87.00 | 84.00 | a | 80.00 | 88.00 | b | ||||||||||
1942 | 82.00 | 82.00 | 77.00 | 81.00 | 83.00 | 83.00 | 86.00 | 85.00 | 86.00 | 86.00 | 85.00 | 83.00 | 86.00 | |||||||||||||
1943 | 83.00 | 80.00 | a | 80.00 | 82.00 | 83.00 | 84.00 | 86.00 | 86.00 | 87.00 | 86.00 | 84.00 | 88.00 | d | 88.00 | e | ||||||||||
1944 | 81.00 | 82.00 | d | 83.00 | 80.00 | 82.00 | b | 83.00 | 84.00 | 85.00 | 87.00 | 85.00 | a | 83.00 | 81.00 | 87.00 | g | |||||||||
1945 | 81.00 | 83.00 | 84.00 | 83.00 | 85.00 | e | 85.00 | 86.00 | 86.00 | 87.00 | 88.00 | 86.00 | 83.00 | 88.00 | e | |||||||||||
1946 | 81.00 | 83.00 | 83.00 | 80.00 | 83.00 | 84.00 | 85.00 | 87.00 | 86.00 | 87.00 | 85.00 | 82.00 | 87.00 | |||||||||||||
1947 | 82.00 | 85.00 | 85.00 | 84.00 | 84.00 | 87.00 | 88.00 | 88.00 | 89.00 | 87.00 | 86.00 | 81.00 | a | 89.00 | a | |||||||||||
1948 | 83.00 | b | 81.00 | 81.00 | a | 84.00 | 85.00 | 87.00 | 88.00 | 88.00 | 89.00 | 85.00 | 85.00 | 80.00 | 89.00 | c | ||||||||||
1949 | 83.00 | 83.00 | 83.00 | 82.00 | 85.00 | 86.00 | 87.00 | 87.00 | 87.00 | 88.00 | 85.00 | 83.00 | 88.00 | |||||||||||||
1950 | 83.00 | 83.00 | 84.00 | 81.00 | 85.00 | o | 85.00 | 86.00 | 89.00 | a | 88.00 | 88.00 | a | 88.00 | 83.00 | 89.00 | q | |||||||||
1951 | 83.00 | b | 83.00 | c | 86.00 | b | 88.00 | b | 85.00 | e | 87.00 | d | 88.00 | d | 86.00 | r | 88.00 | k | 88.00 | g | 86.00 | h | 86.00 | b | ----- | z |
1952 | 84.00 | b | 82.00 | c | 82.00 | 85.00 | 84.00 | a | 85.00 | a | 86.00 | a | 88.00 | 88.00 | b | 89.00 | b | 87.00 | b | 83.00 | 89.00 | n | ||||
1953 | 85.00 | 83.00 | 83.00 | 85.00 | 84.00 | o | 87.00 | f | 89.00 | 89.00 | 89.00 | 88.00 | ----- | z | ----- | z | ----- | z | ||||||||
1954 | 85.00 | e | 84.00 | 88.00 | c | 86.00 | 83.00 | a | ----- | z | 85.00 | 86.00 | 88.00 | 87.00 | 86.00 | 82.00 | ----- | z | ||||||||
1955 | 82.00 | 86.00 | 86.00 | 80.00 | 82.00 | 84.00 | 87.00 | 86.00 | 85.00 | 86.00 | 87.00 | 82.00 | 87.00 | |||||||||||||
1956 | 83.00 | 85.00 | 82.00 | 84.00 | 88.00 | 86.00 | 88.00 | 88.00 | 88.00 | 88.00 | 87.00 | 85.00 | 88.00 | |||||||||||||
1957 | 86.00 | a | 88.00 | ----- | z | 87.00 | 85.00 | 88.00 | 88.00 | 87.00 | 88.00 | 90.00 | f | 86.00 | 87.00 | a | ----- | z | ||||||||
1958 | 84.00 | f | 84.00 | 81.00 | 85.00 | 82.00 | 85.00 | i | 86.00 | h | 85.00 | 87.00 | 88.00 | a | 86.00 | v | 83.00 | g | ----- | z | ||||||
1959 | 85.00 | 79.00 | 83.00 | e | 85.00 | ----- | 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 | ----- | 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 | 83.00 | i | 82.00 | 83.00 | 85.00 | 87.00 | 87.00 | 88.00 | 87.00 | 87.00 | 86.00 | 84.00 | ----- | z | ||||||||||
2000 | 81.00 | 83.00 | 84.00 | 83.00 | 85.00 | 89.00 | 89.00 | 89.00 | 88.00 | 88.00 | 85.00 | 84.00 | 89.00 | |||||||||||||
2001 | 84.00 | 86.00 | v | 85.00 | 84.00 | 84.00 | t | 87.00 | c | 89.00 | 89.00 | 91.00 | i | 90.00 | 88.00 | 88.00 | c | ----- | z | |||||||
2002 | 83.00 | f | 83.00 | 84.00 | 86.00 | 87.00 | 87.00 | q | ----- | z | 89.00 | k | 91.00 | 89.00 | 84.00 | 83.00 | ----- | z | ||||||||
2003 | 81.00 | t | 83.00 | 84.00 | 85.00 | 87.00 | 89.00 | 88.00 | t | 91.00 | q | 91.00 | n | 90.00 | k | 90.00 | l | 84.00 | h | ----- | z | |||||
2004 | 85.00 | k | 85.00 | k | 84.00 | h | 84.00 | i | 85.00 | l | 87.00 | j | 90.00 | j | ----- | z | 89.00 | k | 89.00 | k | 89.00 | m | 90.00 | h | ----- | z |
2005 | 84.00 | u | 83.00 | x | 86.00 | o | 89.00 | n | 91.00 | j | 89.00 | i | 90.00 | l | 91.00 | i | 93.00 | j | 90.00 | j | 90.00 | j | 88.00 | j | ----- | z |
2006 | 86.00 | l | 83.00 | i | 87.00 | i | 84.00 | k | 88.00 | i | 92.00 | j | 94.00 | k | 96.00 | x | 95.00 | v | ----- | z | ----- | z | ----- | z | ----- | z |
2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2008 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2009 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2010 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2011 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | 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 |
2018 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2019 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2020 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2021 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2022 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 83.19 | 83.41 | 83.19 | 83.63 | 84.15 | 85.69 | 86.63 | 87.26 | 87.89 | 87.62 | 85.85 | 83.81 | 88.00 | |||||||||||||
S.D. | 1.80 | 2.06 | 2.59 | 2.30 | 2.01 | 1.81 | 1.94 | 2.07 | 1.78 | 1.50 | 1.76 | 2.56 | 1.05 | |||||||||||||
SKEW | 0.24 | 0.27 | -0.25 | -0.08 | -0.32 | 0.18 | -0.74 | -0.75 | -0.37 | -0.19 | -0.03 | 0.03 | -0.60 | |||||||||||||
MAX | 87.00 | 88.00 | 89.00 | 88.00 | 88.00 | 89.00 | 90.00 | 91.00 | 91.00 | 90.00 | 89.00 | 88.00 | 89.00 | |||||||||||||
MIN | 80.00 | 79.00 | 77.00 | 79.00 | 79.00 | 83.00 | 81.00 | 81.00 | 83.00 | 85.00 | 82.00 | 79.00 | 86.00 | |||||||||||||
YRS | 27 | 29 | 31 | 32 | 27 | 26 | 27 | 27 | 27 | 26 | 26 | 27 | 10 |