YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | ----- | 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 | 32.97 | 8.43 | -7.91 | h | 20.70 | j | ||
1990 | 3.03 | a | -6.92 | c | 8.86 | c | 25.50 | 38.46 | c | 50.03 | 58.23 | ----- | z | ----- | z | 34.00 | 22.24 | a | -5.71 | 22.77 | b | |||||
1991 | -11.87 | 3.22 | a | 13.00 | a | 29.12 | e | 44.53 | a | 56.07 | 57.79 | b | 56.35 | 42.62 | a | ----- | z | ----- | z | ----- | z | 32.32 | c | |||
1992 | ----- | z | 3.57 | a | ----- | z | 24.07 | a | 36.00 | c | 46.53 | 50.81 | 50.74 | 42.14 | a | 33.38 | b | 21.41 | c | ----- | z | 34.29 | c | |||
1993 | -9.96 | d | -5.72 | c | 14.63 | d | 25.64 | h | 39.71 | c | 49.26 | g | 56.24 | b | 55.92 | g | 39.58 | k | 29.04 | e | ----- | z | ----- | z | 20.66 | f |
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 | 4.96 | d | 15.14 | u | 21.45 | i | 32.24 | i | 41.38 | e | 52.26 | c | 55.38 | g | 56.93 | c | ----- | z | 35.68 | f | 21.44 | e | 4.43 | a | 30.23 | f |
1999 | -12.82 | i | 6.52 | a | 15.10 | k | 28.92 | f | 41.76 | j | 52.15 | d | ----- | z | 56.73 | e | 44.37 | k | 33.43 | j | 24.69 | d | 9.62 | b | 29.94 | g |
2000 | -8.52 | f | 4.83 | e | 20.48 | b | 27.48 | c | 43.22 | d | 48.42 | d | 57.75 | c | 56.15 | d | 41.75 | b | 33.61 | 26.18 | b | -8.46 | c | 31.95 | a | |
2001 | 2.56 | d | -9.50 | f | 11.21 | b | 30.48 | a | 42.24 | f | 50.32 | b | 54.00 | a | 53.38 | b | 42.05 | i | 30.90 | a | 28.52 | c | 13.07 | b | 30.49 | c |
2002 | 3.11 | d | ----- | z | 3.70 | a | 26.41 | c | 31.24 | b | 51.35 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 23.16 | g |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.77 | q | 53.31 | b | 57.19 | e | 45.09 | h | 33.08 | g | 16.25 | f | 8.75 | c | 39.75 | i |
2004 | -16.63 | d | -0.74 | j | 13.09 | h | ----- | z | 32.14 | j | 41.64 | h | 51.28 | f | 46.04 | e | 49.00 | g | 35.71 | j | 22.33 | f | 1.68 | f | 14.70 | j |
2005 | -14.78 | h | 1.22 | e | 4.00 | i | ----- | z | 39.50 | i | 51.45 | h | 55.17 | g | 50.50 | g | 45.68 | e | 34.13 | h | 21.07 | c | 10.61 | c | 19.64 | h |
2006 | 10.48 | h | -8.83 | e | 14.83 | g | 33.16 | e | 43.96 | g | ----- | z | 62.50 | w | ----- | z | ----- | z | ----- | z | ----- | z | 14.50 | m | 12.17 | j |
2007 | 5.96 | h | -5.78 | e | 18.84 | f | 25.72 | a | 42.15 | d | 53.68 | k | 51.70 | d | ----- | z | 41.40 | e | 36.96 | f | 19.68 | e | 0.32 | c | 25.03 | e |
2008 | -8.30 | k | -9.59 | b | 6.32 | i | 25.28 | a | 30.69 | e | 44.82 | b | ----- | z | 48.32 | l | 44.55 | j | 31.62 | j | 15.73 | h | -6.88 | g | 22.80 | h |
2009 | -19.04 | h | -1.52 | e | 8.43 | c | 28.11 | c | 34.62 | e | 48.41 | m | 47.10 | k | 49.06 | m | 45.87 | g | 29.90 | k | 25.58 | f | 0.74 | h | 17.41 | h |
2010 | -10.92 | g | -9.13 | e | 22.44 | d | 31.20 | e | 39.42 | e | 46.29 | p | 52.56 | d | 55.00 | g | 39.10 | i | 33.06 | m | 17.05 | h | -6.52 | h | 27.30 | g |
2011 | ----- | z | -6.24 | g | 8.00 | g | 27.73 | o | 39.67 | g | 46.68 | e | 54.48 | h | 52.17 | m | 38.75 | b | ----- | z | ----- | z | 9.08 | e | 31.50 | i |
2012 | 4.88 | e | ----- | z | 25.33 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 11.60 | k | 15.11 | j |
2013 | -4.11 | d | -6.06 | j | 2.67 | p | 17.60 | t | ----- | z | ----- | z | 55.94 | n | 55.43 | c | 48.97 | a | ----- | z | ----- | z | ----- | z | 33.43 | i |
2014 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 51.00 | a | 55.06 | 55.71 | 47.43 | 35.16 | 11.80 | 10.58 | 38.11 | e | ||||||
2015 | -6.58 | -16.07 | 11.70 | d | 26.07 | 39.77 | 51.79 | b | 57.84 | 54.97 | 51.73 | ----- | z | 28.58 | d | ----- | z | 29.98 | b | |||||||
2016 | 2.23 | -0.38 | c | ----- | z | ----- | z | 49.83 | y | 50.27 | 56.55 | 57.58 | 49.87 | ----- | z | ----- | z | ----- | z | 36.02 | f | |||||
2017 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.04 | f | 56.13 | 53.61 | 49.41 | a | ----- | z | ----- | z | ----- | z | 53.05 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | -2.58 | -3.18 | 13.98 | 27.72 | 38.43 | 50.13 | 55.23 | 54.68 | 45.43 | 32.72 | 21.28 | 5.23 | 0.0 | |||||||||||||
S.D. | 7.63 | 6.66 | 6.83 | 2.77 | 4.46 | 2.96 | 2.53 | 3.21 | 4.30 | 2.07 | 6.32 | 7.43 | 0.0 | |||||||||||||
SKEW | -0.61 | -0.21 | 0.34 | 0.62 | -0.52 | -0.03 | -0.41 | -1.68 | -0.03 | -0.78 | -0.85 | -0.86 | 0.00 | |||||||||||||
MAX | 4.96 | 6.52 | 25.33 | 33.16 | 44.53 | 56.07 | 58.23 | 57.58 | 51.73 | 35.16 | 28.58 | 13.07 | -9999 | |||||||||||||
MIN | -16.63 | -16.07 | 3.70 | 24.07 | 30.69 | 44.82 | 50.81 | 46.04 | 38.75 | 29.04 | 8.43 | -8.46 | 9999 | |||||||||||||
YRS | 11 | 14 | 10 | 12 | 12 | 13 | 13 | 13 | 11 | 7 | 11 | 10 | 0 |