YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 29.27 | 11.84 | -2.40 | -11.14 | b | 6.89 | h | |||
1942 | -13.35 | h | -17.11 | -25.79 | c | -2.72 | a | 15.69 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | -7.48 | h | |
1943 | ----- | z | ----- | z | -24.03 | b | -10.97 | a | 25.68 | 35.25 | b | 42.07 | d | 39.33 | d | 28.52 | e | 15.62 | g | 2.80 | -17.29 | c | 13.49 | c | ||
1944 | -23.86 | c | -15.69 | -15.54 | e | -5.32 | b | 19.87 | 36.63 | 40.35 | 38.45 | 33.08 | e | 18.48 | b | -7.72 | e | -14.19 | d | 8.71 | ||||||
1945 | -27.84 | -30.35 | b | -32.84 | 0.89 | b | 11.42 | 24.13 | 35.17 | h | 35.46 | c | ----- | z | ----- | z | ----- | z | ----- | z | -2.73 | e | ||||
1946 | ----- | z | -23.59 | f | -22.26 | -16.54 | b | 14.97 | 33.07 | 37.90 | 36.61 | 25.80 | 14.19 | 0.00 | a | -22.58 | 10.12 | b | ||||||||
1947 | -21.60 | a | -22.81 | a | -22.42 | -4.31 | a | 14.87 | ----- | z | ----- | z | ----- | z | ----- | z | 12.13 | -1.33 | -10.97 | -7.06 | d | |||||
1948 | -25.90 | -14.96 | a | -22.45 | -1.73 | 6.48 | ----- | z | ----- | z | 37.32 | 25.07 | 9.87 | -7.57 | -27.35 | -2.12 | b | |||||||||
1949 | -20.29 | -30.46 | -10.87 | a | -19.28 | a | 10.29 | 29.17 | 37.19 | 43.16 | ----- | z | 19.23 | -0.13 | -18.23 | 3.62 | a | |||||||||
1950 | -5.38 | b | ----- | z | -18.61 | -3.03 | 17.42 | l | ----- | z | 43.56 | v | 41.00 | 31.93 | 18.81 | 12.03 | -17.37 | a | 7.42 | d | ||||||
1951 | -29.29 | -31.89 | -25.81 | -3.47 | 19.61 | 34.60 | 41.97 | 41.32 | 31.30 | 17.55 | 4.17 | -16.42 | 6.97 | |||||||||||||
1952 | -25.39 | -30.48 | -24.90 | -8.07 | 8.33 | j | ----- | z | ----- | z | ----- | z | 27.12 | e | 16.90 | 0.97 | -18.03 | -7.74 | d | |||||||
1953 | -26.35 | -31.26 | i | ----- | z | ----- | z | ----- | z | 34.43 | 37.97 | 35.52 | 30.90 | 9.65 | -5.03 | -21.97 | 11.89 | d | ||||||||
1954 | -18.39 | -27.89 | -16.10 | -1.17 | 15.81 | 32.63 | 36.94 | 44.29 | 35.07 | 16.06 | -6.53 | -21.00 | 7.48 | |||||||||||||
1955 | -17.26 | -33.43 | -26.37 | a | -12.47 | 13.55 | 31.57 | 38.10 | 37.20 | p | ----- | z | ----- | z | ----- | z | -21.62 | b | -3.49 | d | ||||||
1956 | -26.68 | -34.34 | -22.37 | a | -5.43 | 22.03 | 30.20 | 37.39 | 32.35 | 31.40 | 4.93 | b | -13.48 | c | -15.26 | 3.40 | ||||||||||
1957 | -6.90 | -29.86 | -25.42 | 1.83 | 17.52 | 33.29 | m | ----- | z | ----- | z | 15.00 | q | 18.42 | -10.07 | -26.58 | -7.63 | d | ||||||||
1958 | -26.87 | -25.50 | -19.32 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | -23.90 | i | |||
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 | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | 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 |
2018 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 35.59 | h | 19.75 | c | 2.69 | d | -13.93 | c | 2.84 | i |
2019 | -17.89 | d | 0.08 | c | 6.39 | h | 5.59 | h | 27.83 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | -7.33 | v | -8.90 | j |
2020 | ----- | z | -33.19 | c | -8.61 | 3.27 | 18.97 | 37.13 | 40.71 | 40.29 | 32.17 | 20.07 | b | 5.90 | -12.16 | 13.14 | a | |||||||||
2021 | -14.20 | a | -27.24 | g | -17.29 | -3.11 | b | 17.61 | 35.97 | 43.45 | b | 37.26 | 28.27 | 12.16 | -11.00 | d | -15.00 | a | 10.37 | a | ||||||
2022 | -25.90 | b | -26.00 | b | -15.39 | -4.87 | 21.90 | 35.83 | 41.13 | a | 37.47 | a | 33.73 | 16.61 | 7.90 | -1.39 | 10.09 | |||||||||
2023 | -10.94 | -22.54 | d | -5.89 | d | -13.83 | 21.67 | d | 35.59 | a | 48.73 | a | 42.20 | a | 33.43 | 19.84 | 9.07 | -5.87 | 12.62 | |||||||
2024 | -9.84 | -14.03 | -14.53 | a | -4.80 | j | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | -12.80 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | -20.04 | -24.47 | -19.85 | -5.81 | 16.94 | 33.30 | 40.30 | 38.80 | 30.47 | 15.36 | -1.04 | -16.42 | 8.21 | |||||||||||||
S.D. | 7.51 | 9.07 | 6.61 | 6.21 | 4.85 | 3.57 | 3.33 | 3.26 | 3.01 | 4.36 | 7.20 | 6.39 | 3.11 | |||||||||||||
SKEW | 0.64 | 1.16 | 0.34 | -0.69 | -0.33 | -1.27 | 1.20 | -0.09 | -0.36 | -0.84 | 0.02 | 0.41 | -0.16 | |||||||||||||
MAX | -5.38 | 0.08 | -5.89 | 3.27 | 25.68 | 37.13 | 48.73 | 44.29 | 35.07 | 20.07 | 12.03 | -1.39 | 12.62 | |||||||||||||
MIN | -29.29 | -34.34 | -32.84 | -19.28 | 6.48 | 24.13 | 36.94 | 32.35 | 25.07 | 4.93 | -13.48 | -27.35 | 3.40 | |||||||||||||
YRS | 19 | 18 | 21 | 19 | 17 | 14 | 13 | 15 | 15 | 18 | 19 | 20 | 6 |