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 | 46.00 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.00 | k |
1965 | ----- | z | 40.11 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 76.58 | ----- | z | ----- | z | ----- | z | 36.90 | b | 51.19 | 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 | 69.77 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 69.77 | k | |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 83.19 | ----- | z | ----- | z | ----- | z | ----- | z | 83.19 | k | |
1971 | 34.13 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 34.13 | k | |
1972 | ----- | z | 35.79 | ----- | z | 46.57 | 69.59 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.65 | 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 | 40.10 | ----- | z | ----- | z | ----- | z | ----- | z | 69.74 | ----- | z | ----- | z | ----- | z | 39.79 | b | 49.88 | i | ||
1977 | 36.58 | 45.35 | b | 40.50 | a | 56.50 | 55.10 | b | ----- | z | 74.32 | ----- | z | 64.90 | ----- | z | 39.59 | a | 37.00 | 49.98 | c | |||||
1978 | 37.39 | ----- | z | 51.14 | b | 52.14 | a | ----- | z | ----- | z | ----- | z | 75.23 | 60.80 | ----- | z | ----- | z | 33.81 | 51.75 | f | ||||
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1980 | ----- | z | 37.97 | ----- | z | ----- | z | 62.97 | ----- | z | 78.06 | ----- | z | ----- | z | 61.65 | 44.17 | ----- | z | 56.96 | g | |||||
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.65 | 36.65 | 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 | 45.48 | h | 59.52 | g | 60.64 | c | 71.82 | b | 76.64 | c | 78.81 | 67.52 | a | 53.83 | b | 40.73 | d | 36.48 | h | 64.28 | e | |
2001 | 38.00 | c | 39.33 | a | 48.75 | g | 52.42 | f | 65.35 | k | 66.28 | a | 75.57 | a | 78.86 | c | 73.29 | p | ----- | z | 46.47 | k | 34.94 | m | 59.61 | g |
2002 | 36.43 | q | ----- | z | ----- | z | ----- | z | 63.71 | n | 70.50 | h | 80.32 | f | 77.78 | d | 74.27 | d | 58.03 | 46.45 | h | 40.00 | t | 70.03 | i | |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | 65.18 | t | 75.73 | h | 85.85 | d | 83.18 | i | 77.76 | i | 60.08 | g | 41.09 | s | ----- | z | 85.85 | k |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 70.00 | j | 86.75 | w | 80.61 | m | 66.57 | i | 61.31 | o | 54.24 | a | 22.08 | r | 54.24 | k |
2005 | ----- | z | 46.11 | s | 20.06 | m | 35.67 | 48.33 | a | 66.77 | d | 79.74 | 81.97 | 69.37 | 53.46 | c | 41.00 | y | ----- | z | 62.19 | e | ||||
2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 74.48 | a | 82.19 | 79.77 | 73.63 | 56.06 | 41.63 | 36.25 | s | 67.96 | f | |||||
2007 | ----- | z | ----- | z | ----- | z | 24.34 | a | 67.00 | 68.80 | 80.94 | 79.00 | a | 66.83 | a | 46.74 | 18.40 | -32.00 | l | 56.51 | d | |||||
2008 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 66.30 | c | 79.42 | 76.08 | e | 70.62 | a | 52.94 | 45.64 | b | 34.53 | a | 60.79 | e | ||
2009 | ----- | z | 42.00 | t | 41.37 | d | 52.20 | y | 63.30 | d | 73.87 | 85.93 | b | 79.87 | 72.67 | 53.39 | 41.17 | f | 33.17 | s | 67.20 | e | ||||
2010 | 40.52 | 44.46 | 45.43 | h | 51.41 | h | 60.72 | f | 66.77 | 80.70 | a | 80.55 | 64.93 | 57.78 | d | ----- | z | ----- | z | 62.24 | e | |||||
2011 | 39.38 | o | 37.50 | 41.68 | 45.46 | d | ----- | z | 68.53 | 75.23 | 82.10 | 74.90 | a | 54.10 | u | 40.80 | t | ----- | z | 60.77 | e | |||||
2012 | 36.70 | u | ----- | z | 44.57 | x | ----- | z | ----- | z | 61.29 | f | 81.00 | e | 84.61 | 76.38 | a | 67.62 | w | ----- | z | ----- | z | 80.66 | i | |
2013 | ----- | z | ----- | z | ----- | z | ----- | z | 56.00 | x | 72.57 | b | 87.06 | 80.45 | 68.23 | ----- | z | 44.91 | s | ----- | z | 77.08 | h | |||
2014 | ----- | z | ----- | z | ----- | z | 52.80 | t | ----- | z | 71.73 | 85.03 | 83.39 | 77.80 | 65.19 | j | ----- | z | ----- | z | 79.49 | h | ||||
2015 | ----- | z | ----- | z | ----- | z | ----- | z | 65.89 | c | 83.79 | b | 85.70 | a | 83.10 | b | 64.80 | y | 58.74 | 40.57 | 38.33 | m | 69.63 | f | ||
2016 | 36.82 | n | 42.14 | 45.03 | 59.69 | d | 65.67 | a | 70.54 | b | 75.00 | 81.16 | 65.70 | 51.10 | 46.25 | b | 31.63 | l | 60.23 | b | ||||||
2017 | ----- | z | ----- | z | 39.62 | r | 48.83 | a | 58.73 | p | 74.56 | l | 84.33 | a | 89.58 | l | 75.68 | b | 55.92 | s | 40.40 | 35.17 | b | 56.88 | g | |
2018 | 37.53 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.53 | 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 | 37.36 | 40.33 | 43.30 | 46.13 | 62.83 | 70.94 | 80.71 | 79.59 | 70.26 | 54.88 | 41.16 | 36.26 | 0.0 | |||||||||||||
S.D. | 2.07 | 3.40 | 4.22 | 10.72 | 6.70 | 4.82 | 4.26 | 3.52 | 4.97 | 4.12 | 9.12 | 1.99 | 0.0 | |||||||||||||
SKEW | -0.06 | 0.28 | 1.23 | -0.82 | -1.07 | 1.41 | -0.03 | -1.06 | -0.16 | -0.28 | -1.44 | 0.53 | 0.00 | |||||||||||||
MAX | 40.52 | 45.35 | 51.14 | 59.69 | 69.77 | 83.79 | 87.06 | 84.61 | 77.80 | 61.65 | 54.24 | 39.79 | -9999 | |||||||||||||
MIN | 34.13 | 35.79 | 40.10 | 24.34 | 48.33 | 66.28 | 74.32 | 69.74 | 60.80 | 46.74 | 18.40 | 33.81 | 9999 | |||||||||||||
YRS | 6 | 8 | 6 | 9 | 10 | 13 | 18 | 19 | 16 | 11 | 10 | 7 | 0 |