YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | 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 | ----- | 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 | 30.43 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 30.43 | k | |
1965 | ----- | z | 27.57 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 51.48 | ----- | z | ----- | z | ----- | z | 27.11 | c | 35.39 | i | ||
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 | 39.65 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.65 | k | |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 47.23 | ----- | z | ----- | z | ----- | z | ----- | z | 47.23 | k | |
1971 | 25.29 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 25.29 | k | |
1972 | ----- | z | 28.07 | ----- | z | 30.70 | 38.52 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 32.43 | i | |||
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 | 26.74 | ----- | z | ----- | z | ----- | z | ----- | z | 47.27 | a | ----- | z | ----- | z | ----- | z | 28.69 | b | 34.23 | i | |
1977 | 23.58 | 28.22 | a | 29.71 | 32.73 | 36.90 | b | ----- | z | 47.47 | a | ----- | z | 42.33 | c | ----- | z | 28.70 | 28.70 | a | 33.15 | c | ||||
1978 | 28.39 | ----- | z | 29.71 | c | 34.07 | a | ----- | z | ----- | z | ----- | z | 48.13 | 44.47 | ----- | z | ----- | z | 21.65 | 34.40 | f | ||||
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1980 | ----- | z | 25.62 | ----- | z | ----- | z | 39.16 | ----- | z | 49.13 | a | ----- | z | ----- | z | 35.77 | 33.10 | ----- | z | 36.56 | g | ||||
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 28.90 | 28.90 | k | |
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2000 | ----- | z | ----- | z | 27.78 | h | 33.61 | g | 37.57 | c | 41.46 | b | 44.39 | c | 43.61 | 38.69 | a | 32.00 | b | 24.12 | d | 24.57 | h | 37.41 | e | |
2001 | 25.61 | c | 23.00 | a | 27.71 | g | 31.04 | f | 35.60 | k | 39.90 | a | 44.67 | a | 47.11 | c | 41.21 | p | ----- | z | 31.42 | k | 24.67 | m | 36.06 | g |
2002 | 25.36 | q | ----- | z | ----- | z | ----- | z | 35.00 | n | 37.91 | h | 44.20 | f | 43.67 | d | 38.58 | d | 35.48 | 34.05 | h | 31.55 | t | 39.24 | i | |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | 40.64 | t | 47.36 | h | 48.59 | d | 48.32 | i | 46.90 | i | 41.71 | g | 26.09 | s | ----- | z | 48.59 | k |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.80 | j | 52.88 | w | 53.56 | m | 43.86 | i | 43.00 | o | 43.86 | a | 19.69 | r | 43.86 | k |
2005 | ----- | z | 30.44 | s | 14.61 | m | 22.70 | 33.50 | a | 45.69 | d | 47.35 | 47.10 | 39.43 | 37.57 | c | 27.40 | y | ----- | z | 39.05 | e | ||||
2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.03 | a | 48.06 | 48.90 | 45.17 | 39.10 | 33.47 | 30.92 | s | 43.79 | f | |||||
2007 | ----- | z | ----- | z | ----- | z | 10.10 | a | 38.58 | 46.27 | 52.58 | 49.00 | a | 45.00 | 35.13 | 3.27 | -32.00 | l | 34.99 | d | ||||||
2008 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.57 | 47.81 | 49.83 | a | 43.87 | 36.90 | 36.75 | b | 26.77 | a | 40.36 | e | ||||
2009 | ----- | z | 27.29 | u | 28.93 | d | 32.20 | y | 37.03 | a | 46.20 | 51.74 | 51.10 | 45.90 | 37.39 | 33.67 | f | 28.00 | s | 42.61 | e | |||||
2010 | 33.26 | 32.29 | 32.17 | h | 35.45 | h | 39.04 | f | 44.57 | 49.50 | a | 50.84 | 46.70 | 40.07 | d | ----- | z | ----- | z | 42.46 | e | |||||
2011 | 32.69 | o | 27.71 | 31.29 | 31.88 | d | ----- | z | 44.47 | 46.87 | 50.00 | 48.10 | a | 43.30 | u | 31.80 | t | ----- | z | 40.05 | e | |||||
2012 | 32.20 | u | ----- | z | 33.14 | x | ----- | z | ----- | z | 44.83 | f | 52.04 | e | 51.13 | 45.10 | a | 38.00 | w | ----- | z | ----- | z | 49.42 | i | |
2013 | ----- | z | ----- | z | ----- | z | ----- | z | 46.57 | x | 48.25 | b | 51.61 | 54.00 | 47.90 | ----- | z | 37.09 | s | ----- | z | 50.44 | h | |||
2014 | ----- | z | ----- | z | ----- | z | 35.40 | t | ----- | z | 42.37 | 51.52 | 52.35 | 43.33 | 40.86 | j | ----- | z | ----- | z | 47.39 | h | ||||
2015 | ----- | z | ----- | z | ----- | z | ----- | z | 43.32 | c | 50.57 | b | 53.63 | a | 52.07 | b | 43.20 | y | 43.61 | 33.17 | a | 33.22 | m | 46.06 | f | |
2016 | 32.59 | n | 32.90 | 33.47 | a | 39.07 | a | 43.17 | a | 46.63 | 52.26 | 51.84 | 44.87 | 42.00 | 38.93 | b | 25.53 | l | 42.51 | b | ||||||
2017 | ----- | z | ----- | z | 32.69 | r | 34.66 | a | 39.38 | o | 43.00 | l | 40.56 | o | 44.32 | l | 44.61 | b | 32.00 | s | 33.60 | 28.90 | b | 35.44 | h | |
2018 | 32.37 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 32.37 | k |
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 |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 28.08 | 28.17 | 29.97 | 29.59 | 38.74 | 45.00 | 49.37 | 49.30 | 44.00 | 37.73 | 30.90 | 27.24 | 0.0 | |||||||||||||
S.D. | 3.99 | 3.23 | 2.26 | 8.51 | 2.92 | 3.20 | 2.79 | 2.83 | 2.94 | 3.31 | 11.08 | 2.62 | 0.0 | |||||||||||||
SKEW | 0.31 | 0.09 | 0.19 | -1.42 | 0.13 | -0.10 | -0.22 | -0.52 | -0.68 | 0.21 | -1.59 | -1.60 | 0.00 | |||||||||||||
MAX | 33.26 | 32.90 | 33.47 | 39.07 | 43.32 | 50.57 | 53.63 | 54.00 | 48.10 | 43.61 | 43.86 | 28.90 | -9999 | |||||||||||||
MIN | 23.58 | 23.00 | 26.74 | 10.10 | 33.50 | 39.90 | 44.39 | 43.61 | 38.58 | 32.00 | 3.27 | 21.65 | 9999 | |||||||||||||
YRS | 6 | 8 | 6 | 9 | 10 | 13 | 17 | 19 | 16 | 11 | 10 | 7 | 0 |