YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1927 | ----- | z | 58.00 | o | 70.00 | 74.00 | ----- | z | 92.00 | 100.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 56.00 | a | ----- | 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 | 84.00 | 88.00 | 76.00 | 60.00 | 54.00 | ----- | z | |||||
1958 | 56.00 | 62.00 | 64.00 | 77.00 | 89.00 | a | 94.00 | a | 97.00 | 96.00 | 93.00 | 78.00 | 66.00 | 57.00 | 97.00 | b | ||||||||||
1959 | 58.00 | 61.00 | a | 62.00 | 79.00 | 86.00 | 86.00 | 95.00 | 86.00 | a | 89.00 | 77.00 | a | 67.00 | 54.00 | 95.00 | c | |||||||||
1960 | 56.00 | 56.00 | b | 72.00 | 73.00 | 77.00 | 79.00 | b | 93.00 | 94.00 | 84.00 | 70.00 | 62.00 | 60.00 | 94.00 | d | ||||||||||
1961 | 59.00 | a | 53.00 | 60.00 | 63.00 | b | 84.00 | 91.00 | 98.00 | 95.00 | 82.00 | 76.00 | b | 58.00 | 50.00 | 98.00 | e | |||||||||
1962 | 54.00 | a | 63.00 | a | 67.00 | b | 77.00 | 63.00 | b | 80.00 | a | 87.00 | b | 80.00 | 84.00 | a | 72.00 | 66.00 | 55.00 | 87.00 | j | |||||
1963 | 52.00 | 74.00 | 64.00 | 69.00 | 92.00 | 88.00 | 79.00 | b | 89.00 | 89.00 | 72.00 | a | 54.00 | 55.00 | a | 92.00 | d | |||||||||
1964 | 51.00 | 57.00 | a | 74.00 | 65.00 | 82.00 | a | 81.00 | a | 87.00 | a | 87.00 | 78.00 | a | 78.00 | 55.00 | ----- | z | ----- | z | ||||||
1965 | 47.00 | 60.00 | a | 71.00 | 77.00 | ----- | z | ----- | z | 100.00 | ----- | z | ----- | z | ----- | z | ----- | z | 53.00 | ----- | z | |||||
1966 | 49.00 | b | 61.00 | b | 70.00 | 75.00 | a | 85.00 | 89.00 | 81.00 | a | 89.00 | 85.00 | 78.00 | 60.00 | 53.00 | a | 89.00 | g | |||||||
1967 | 57.00 | b | 55.00 | 57.00 | a | 65.00 | 82.00 | 86.00 | 93.00 | 95.00 | 92.00 | 67.00 | 60.00 | 51.00 | 95.00 | c | ||||||||||
1968 | 55.00 | 70.00 | 66.00 | 78.00 | 80.00 | 85.00 | 93.00 | 92.00 | 85.00 | 66.00 | 57.00 | 52.00 | 93.00 | |||||||||||||
1969 | 42.00 | 51.00 | 73.00 | 69.00 | 86.00 | 92.00 | 85.00 | 80.00 | 83.00 | 69.00 | 65.00 | 54.00 | 92.00 | |||||||||||||
1970 | 52.00 | 64.00 | 62.00 | 63.00 | 81.00 | 93.00 | 95.00 | 86.00 | 81.00 | 75.00 | 71.00 | 48.00 | 95.00 | |||||||||||||
1971 | 50.00 | 52.00 | 60.00 | 75.00 | 87.00 | 84.00 | 92.00 | 96.00 | 78.00 | 74.00 | 55.00 | 48.00 | 96.00 | |||||||||||||
1972 | 50.00 | 54.00 | 63.00 | 70.00 | 91.00 | 79.00 | 90.00 | a | 94.00 | 89.00 | 69.00 | 55.00 | 52.00 | 94.00 | a | |||||||||||
1973 | 51.00 | 65.00 | 64.00 | 71.00 | 89.00 | 84.00 | 86.00 | 88.00 | 85.00 | 65.00 | 54.00 | 52.00 | 89.00 | |||||||||||||
1974 | 53.00 | 53.00 | 60.00 | 70.00 | 71.00 | 84.00 | 89.00 | 88.00 | 87.00 | 70.00 | 55.00 | 53.00 | 89.00 | |||||||||||||
1975 | 51.00 | 55.00 | 60.00 | 66.00 | 80.00 | 83.00 | 88.00 | 79.00 | 84.00 | 79.00 | 57.00 | 52.00 | 88.00 | |||||||||||||
1976 | 55.00 | 54.00 | 58.00 | 75.00 | 81.00 | 80.00 | 85.00 | 79.00 | 82.00 | 77.00 | 63.00 | 51.00 | 85.00 | |||||||||||||
1977 | 56.00 | 61.00 | 56.00 | 75.00 | 75.00 | 87.00 | 84.00 | 95.00 | 75.00 | 67.00 | 57.00 | 53.00 | 95.00 | |||||||||||||
1978 | 54.00 | 57.00 | 70.00 | 68.00 | 83.00 | 89.00 | 94.00 | 95.00 | 70.00 | 75.00 | 59.00 | 50.00 | 95.00 | |||||||||||||
1979 | 48.00 | 52.00 | 70.00 | 78.00 | 82.00 | 84.00 | 95.00 | 80.00 | 86.00 | 73.00 | 61.00 | 56.00 | 95.00 | |||||||||||||
1980 | 50.00 | 55.00 | 59.00 | 76.00 | 74.00 | 75.00 | 93.00 | 85.00 | 79.00 | 79.00 | 65.00 | 58.00 | 93.00 | |||||||||||||
1981 | 54.00 | 54.00 | 64.00 | 73.00 | 80.00 | 76.00 | 89.00 | 100.00 | 88.00 | 66.00 | 62.00 | 52.00 | 100.00 | |||||||||||||
1982 | 50.00 | 52.00 | 62.00 | 75.00 | 82.00 | a | 95.00 | 82.00 | 89.00 | 84.00 | 69.00 | 54.00 | 55.00 | 95.00 | a | |||||||||||
1983 | 51.00 | 55.00 | 63.00 | 72.00 | 98.00 | 82.00 | 86.00 | 85.00 | 78.00 | 68.00 | 57.00 | 47.00 | 98.00 | |||||||||||||
1984 | 55.00 | 52.00 | 63.00 | 75.00 | 83.00 | 80.00 | 89.00 | 82.00 | 80.00 | 70.00 | 52.00 | a | 48.00 | 89.00 | a | |||||||||||
1985 | 47.00 | 58.00 | 59.00 | b | 74.00 | a | 86.00 | 92.00 | b | 92.00 | 87.00 | 72.00 | a | 64.00 | 54.00 | 44.00 | 92.00 | f | ||||||||
1986 | 53.00 | c | 65.00 | 66.00 | 70.00 | 86.00 | b | 88.00 | c | 79.00 | a | 89.00 | b | 83.00 | b | 70.00 | 55.00 | b | 48.00 | 89.00 | o | |||||
1987 | 49.00 | 53.00 | a | 70.00 | 81.00 | 91.00 | 88.00 | a | 81.00 | 91.00 | a | 82.00 | a | 74.00 | 60.00 | 53.00 | 91.00 | d | ||||||||
1988 | 51.00 | a | 65.00 | 65.00 | b | 75.00 | a | 83.00 | 86.00 | 93.00 | 90.00 | b | 93.00 | 74.00 | b | 55.00 | a | 52.00 | 93.00 | i | ||||||
1989 | 48.00 | a | 48.00 | 57.00 | 80.00 | 75.00 | a | 88.00 | b | 77.00 | a | 80.00 | 85.00 | 70.00 | a | 55.00 | a | 53.00 | a | 88.00 | h | |||||
1990 | 52.00 | 62.00 | b | 66.00 | 75.00 | b | 81.00 | 89.00 | b | 93.00 | 91.00 | a | 88.00 | 63.00 | 56.00 | b | 47.00 | b | 93.00 | k | ||||||
1991 | 51.00 | c | 66.00 | 63.00 | a | 75.00 | 73.00 | 76.00 | a | 92.00 | 82.00 | 81.00 | a | 73.00 | 59.00 | 51.00 | 92.00 | f | ||||||||
1992 | 53.00 | a | 65.00 | 67.00 | a | 73.00 | a | 87.00 | a | 92.00 | 89.00 | 91.00 | 78.00 | 67.00 | a | 53.00 | 47.00 | 92.00 | e | |||||||
1993 | 49.00 | a | 63.00 | 60.00 | 66.00 | a | 83.00 | 79.00 | 77.00 | a | 93.00 | 84.00 | 76.00 | a | 55.00 | 53.00 | 93.00 | d | ||||||||
1994 | 52.00 | b | 50.00 | 74.00 | 72.00 | 78.00 | b | 76.00 | a | 92.00 | b | 84.00 | 78.00 | 68.00 | 50.00 | 51.00 | b | 92.00 | i | |||||||
1995 | 57.00 | 55.00 | a | 70.00 | 70.00 | 79.00 | a | 92.00 | a | 91.00 | 79.00 | 81.00 | 66.00 | 59.00 | 53.00 | 92.00 | c | |||||||||
1996 | 52.00 | 60.00 | 66.00 | a | 71.00 | 70.00 | 80.00 | 94.00 | a | 87.00 | a | 75.00 | 71.00 | a | 55.00 | 49.00 | a | 94.00 | e | |||||||
1997 | 57.00 | 55.00 | 58.00 | a | 62.00 | a | 87.00 | 75.00 | a | 86.00 | a | 87.00 | 82.00 | 67.00 | 62.00 | 53.00 | 87.00 | d | ||||||||
1998 | 56.00 | 53.00 | 65.00 | 85.00 | 85.00 | a | 77.00 | 92.00 | a | 87.00 | 82.00 | 68.00 | a | 53.00 | 53.00 | 92.00 | c | |||||||||
1999 | 49.00 | 53.00 | 64.00 | 79.00 | a | 87.00 | 82.00 | 84.00 | 80.00 | 84.00 | 65.00 | 57.00 | 53.00 | 87.00 | a | |||||||||||
2000 | 47.00 | 60.00 | 62.00 | 71.00 | 71.00 | 90.00 | a | 83.00 | b | 80.00 | d | 76.00 | f | 73.00 | a | 53.00 | e | 49.00 | 90.00 | s | ||||||
2001 | 51.00 | a | 54.00 | c | 66.00 | a | 73.00 | f | 88.00 | h | 78.00 | e | 81.00 | g | 82.00 | d | 76.00 | d | 76.00 | i | 55.00 | c | 50.00 | g | ----- | z |
2002 | 54.00 | c | 64.00 | b | 57.00 | e | 69.00 | m | 78.00 | g | 84.00 | j | 89.00 | e | 89.00 | g | 78.00 | a | 63.00 | c | 56.00 | a | 53.00 | c | ----- | z |
2003 | 54.00 | a | 49.00 | a | 62.00 | d | 69.00 | e | 77.00 | g | 91.00 | c | 91.00 | k | 83.00 | j | 84.00 | b | 70.00 | c | 58.00 | c | 49.00 | a | ----- | z |
2004 | 50.00 | b | 56.00 | c | 72.00 | d | 81.00 | e | 77.00 | f | 86.00 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | 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 |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 52.09 | 57.70 | 64.44 | 72.87 | 82.02 | 84.82 | 89.09 | 87.45 | 82.76 | 71.04 | 57.94 | 51.87 | 92.71 | |||||||||||||
S.D. | 3.44 | 5.79 | 4.93 | 5.18 | 6.74 | 5.80 | 5.86 | 5.71 | 5.15 | 4.59 | 4.48 | 3.14 | 3.57 | |||||||||||||
SKEW | -0.26 | 0.62 | 0.25 | -0.15 | -0.44 | -0.08 | -0.30 | 0.13 | -0.17 | 0.10 | 0.86 | -0.03 | -0.30 | |||||||||||||
MAX | 59.00 | 74.00 | 74.00 | 85.00 | 98.00 | 95.00 | 100.00 | 100.00 | 93.00 | 79.00 | 71.00 | 60.00 | 100.00 | |||||||||||||
MIN | 42.00 | 48.00 | 56.00 | 62.00 | 63.00 | 75.00 | 77.00 | 79.00 | 70.00 | 63.00 | 50.00 | 44.00 | 85.00 | |||||||||||||
YRS | 47 | 47 | 48 | 46 | 42 | 45 | 45 | 44 | 45 | 45 | 47 | 45 | 28 |