YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1910 | ----- | z | ----- | z | 23.16 | 33.65 | d | 34.13 | a | 47.07 | 50.48 | 50.65 | 41.57 | 35.16 | 19.65 | g | 5.84 | 35.75 | c | |||||||
1911 | -2.62 | j | 3.27 | q | 16.86 | i | 26.57 | 41.88 | e | 52.86 | b | 52.21 | b | 48.45 | 42.27 | 31.87 | a | 14.93 | a | 14.83 | a | 36.21 | c | |||
1912 | -15.43 | h | 0.55 | g | 4.97 | 27.53 | 40.30 | h | 42.33 | c | 54.26 | 50.87 | a | 44.11 | b | 33.22 | d | 22.41 | a | 11.77 | 32.39 | c | ||||
1913 | 1.84 | -3.07 | 7.21 | b | 28.57 | b | 37.90 | 50.03 | 52.39 | 53.48 | 42.92 | d | 31.94 | 27.70 | 18.39 | 29.11 | ||||||||||
1914 | 10.68 | -7.46 | 12.35 | 25.61 | b | 41.94 | 47.72 | a | 55.32 | 50.71 | 45.20 | 38.90 | 21.86 | a | 2.74 | 28.80 | ||||||||||
1915 | 1.58 | 13.64 | 12.35 | 34.70 | 36.71 | 44.23 | 48.23 | 44.52 | 43.17 | 34.52 | 23.93 | 10.13 | 28.98 | |||||||||||||
1916 | -0.94 | -1.76 | 5.65 | 28.10 | 36.94 | 45.47 | 57.84 | 51.90 | 42.47 | 32.42 | 18.67 | 1.74 | 26.54 | |||||||||||||
1917 | -5.06 | -8.46 | 11.97 | 24.00 | 31.61 | 42.70 | 51.74 | 47.06 | 39.57 | 27.35 | 26.65 | d | ----- | z | 26.28 | a | ||||||||||
1918 | ----- | z | ----- | z | ----- | z | 24.04 | c | 41.32 | 46.82 | h | 49.03 | 47.55 | 34.93 | 33.65 | 22.68 | h | 16.47 | a | 35.28 | e | |||||
1919 | 9.90 | 7.14 | 13.74 | 27.07 | b | 36.00 | a | 53.93 | b | 52.32 | 48.32 | 43.67 | 29.77 | a | 15.48 | a | -3.16 | 27.85 | ||||||||
1920 | -8.31 | b | 0.55 | 12.81 | 21.27 | 35.68 | 48.23 | 48.84 | 45.13 | 42.83 | 36.58 | 19.93 | 12.87 | 26.37 | ||||||||||||
1921 | 9.29 | 8.43 | 15.87 | 30.66 | a | 40.16 | 52.53 | 58.55 | 50.55 | 48.24 | a | 36.13 | 17.93 | 9.67 | a | 31.50 | ||||||||||
1922 | -1.61 | -1.54 | 14.68 | 27.53 | 45.30 | a | 49.87 | 51.74 | 51.48 | 45.27 | 33.87 | 29.14 | a | 4.04 | c | 29.15 | ||||||||||
1923 | 5.37 | a | -7.71 | 3.29 | 22.03 | 34.97 | 52.83 | 55.00 | 47.29 | 44.37 | 24.50 | w | 24.42 | d | 17.52 | 27.22 | a | |||||||||
1924 | -7.70 | a | 6.36 | a | 13.39 | 28.17 | 32.00 | 45.45 | a | 47.87 | 48.62 | b | 40.17 | a | 36.61 | 21.63 | -1.73 | a | 25.90 | |||||||
1925 | 1.32 | 5.82 | 14.48 | 29.67 | 33.94 | 50.20 | 50.68 | 50.43 | a | 45.80 | 25.84 | 17.07 | 7.58 | 27.74 | ||||||||||||
1926 | 2.39 | 5.82 | 6.06 | 21.60 | 37.06 | 43.17 | a | 51.29 | 51.06 | 41.24 | a | 31.10 | 16.97 | 1.71 | 25.79 | |||||||||||
1927 | -3.71 | 5.57 | 19.17 | a | 26.13 | 37.06 | 43.33 | 48.19 | 42.35 | 45.64 | b | 33.74 | 19.00 | -1.83 | a | 26.22 | ||||||||||
1928 | 3.61 | 1.10 | 8.71 | 19.20 | 38.45 | 43.10 | 54.03 | 49.32 | 39.17 | 33.13 | a | 22.40 | 13.13 | 27.11 | ||||||||||||
1929 | -12.26 | -7.50 | 15.60 | a | 29.07 | 34.94 | 44.07 | 50.16 | 47.10 | a | 40.70 | 32.69 | b | 16.03 | 6.90 | a | 24.79 | |||||||||
1930 | -5.07 | c | 10.04 | b | 13.17 | a | 25.63 | 40.76 | b | 46.96 | d | 51.19 | 46.90 | a | 39.20 | 31.48 | 21.90 | 8.32 | 27.54 | |||||||
1931 | 9.90 | a | 12.14 | 17.13 | 24.77 | 34.58 | 49.83 | a | 51.42 | 46.06 | 46.67 | 36.14 | b | 26.14 | b | 16.70 | a | 30.96 | ||||||||
1932 | 9.13 | a | -0.96 | e | 4.36 | c | 23.40 | 36.42 | 47.41 | a | 50.70 | a | 48.48 | b | 37.61 | b | 28.20 | f | 13.37 | 1.93 | a | 24.71 | a | |||
1933 | 5.29 | -5.52 | a | 13.83 | b | 24.47 | 38.77 | 53.15 | c | 51.03 | b | 44.10 | 46.08 | f | 27.62 | b | 20.38 | v | 2.40 | a | 25.51 | b | ||||
1934 | 11.32 | -5.46 | 9.52 | 28.30 | 41.77 | a | 50.23 | 51.48 | 44.53 | a | 42.48 | a | 36.03 | 26.14 | a | 4.77 | a | 28.43 | ||||||||
1935 | -1.71 | 4.63 | a | 16.23 | 25.13 | 33.65 | 43.80 | 57.65 | 52.52 | 41.13 | 33.00 | 18.53 | 8.29 | 27.74 | ||||||||||||
1936 | -1.65 | -12.97 | 15.26 | 21.38 | a | 40.52 | b | 44.07 | 54.03 | 50.48 | b | 45.55 | a | 27.86 | b | 18.23 | 5.97 | b | 25.73 | |||||||
1937 | -8.29 | 3.11 | 6.57 | c | 25.76 | a | 37.67 | a | 46.59 | a | 54.11 | d | 53.42 | 41.89 | b | 29.13 | 18.53 | 0.32 | 25.73 | |||||||
1938 | -1.77 | 6.00 | 17.23 | a | 26.82 | b | 38.33 | a | 48.21 | a | 56.10 | a | 52.79 | c | 41.00 | a | 36.65 | 22.24 | a | 7.86 | b | 29.29 | ||||
1939 | 4.93 | a | -5.25 | 9.26 | 21.37 | 39.67 | d | 49.37 | 52.31 | b | 50.94 | 41.96 | c | 33.24 | b | 19.00 | 13.18 | c | 27.50 | |||||||
1940 | -4.52 | 5.83 | 6.13 | 23.18 | b | 35.14 | b | 47.68 | b | 50.93 | c | 52.85 | k | 43.53 | 35.23 | a | 18.54 | b | 9.32 | 24.64 | a | |||||
1941 | 2.71 | 2.89 | 5.84 | 29.82 | b | 41.03 | b | 50.21 | b | 52.03 | a | 49.57 | a | 46.20 | 32.70 | a | 22.79 | a | 14.30 | a | 29.18 | |||||
1942 | 3.29 | 2.79 | 18.10 | 29.47 | 36.68 | 48.45 | a | 51.62 | b | 52.61 | 40.46 | d | 31.67 | a | 16.60 | 5.84 | 28.13 | |||||||||
1943 | -2.67 | a | -0.25 | 4.24 | f | 22.87 | 38.27 | a | 52.27 | 55.61 | 53.45 | 40.33 | 31.94 | 16.50 | 6.82 | c | 28.65 | a | ||||||||
1944 | 11.71 | 6.03 | 9.87 | 24.23 | 43.26 | 51.43 | 53.10 | a | 53.87 | a | 45.48 | a | 29.94 | 28.23 | 4.74 | 30.16 | ||||||||||
1945 | -2.26 | 0.96 | b | 20.94 | 27.70 | 33.97 | a | 43.79 | a | 49.33 | a | 49.77 | a | 42.43 | 29.87 | a | 19.45 | a | 2.55 | 26.54 | ||||||
1946 | 3.26 | -0.96 | 24.35 | 28.14 | a | 36.10 | 47.90 | 51.97 | 48.23 | 41.37 | 34.06 | 19.54 | b | 6.21 | c | 28.35 | ||||||||||
1947 | 3.19 | 0.46 | 8.97 | 25.07 | 34.32 | 43.10 | 50.56 | d | 56.93 | b | 41.57 | b | 39.04 | c | 15.79 | b | 6.10 | a | 27.09 | |||||||
1948 | -11.13 | a | -3.34 | 9.87 | 29.03 | 35.30 | a | 46.43 | 52.20 | k | 53.00 | 44.80 | 31.48 | 25.87 | 4.35 | 24.15 | a | |||||||||
1949 | 4.26 | 2.39 | 12.84 | 26.63 | 38.68 | 52.97 | 56.58 | 52.90 | 41.53 | 36.03 | 21.43 | 6.48 | 29.39 | |||||||||||||
1950 | -6.48 | -0.36 | 4.97 | 19.50 | 35.26 | 48.40 | 49.81 | 46.39 | ----- | z | ----- | z | 12.38 | i | 1.97 | 22.16 | c | |||||||||
1951 | -1.94 | 2.25 | 11.94 | 27.66 | a | 43.03 | 46.63 | 53.06 | 50.19 | 43.83 | 36.35 | 9.57 | i | 6.87 | 29.08 | a | ||||||||||
1952 | 2.71 | 7.38 | 11.94 | 27.96 | b | 38.97 | 52.00 | 54.61 | 50.53 | a | 45.77 | 29.22 | d | 23.13 | 16.67 | a | 30.07 | |||||||||
1953 | 8.35 | 4.75 | 18.87 | 26.47 | 38.97 | 52.21 | a | 53.90 | 55.35 | 44.70 | 38.48 | 24.63 | 10.52 | 31.43 | ||||||||||||
1954 | -0.55 | 16.37 | a | 10.29 | 27.43 | 35.16 | 52.33 | 53.13 | 49.48 | 43.23 | 32.90 | a | 24.07 | 8.55 | 29.37 | |||||||||||
1955 | -1.65 | -0.56 | a | 5.81 | 33.27 | 41.03 | a | 47.50 | 58.19 | 56.90 | 43.93 | 35.55 | 15.97 | 2.48 | 28.20 | |||||||||||
1956 | 2.13 | 0.03 | 9.06 | 26.82 | b | 36.90 | 51.14 | b | 51.16 | 52.77 | 40.87 | 37.35 | 23.00 | b | 10.81 | 28.50 | ||||||||||
1957 | -5.10 | a | 3.00 | 13.10 | 28.63 | 38.03 | 49.93 | 56.68 | 50.87 | 39.63 | 31.68 | 21.52 | a | 7.39 | 27.95 | |||||||||||
1958 | 7.97 | 0.59 | a | 15.70 | a | 28.03 | 36.06 | 43.03 | 51.29 | 51.23 | a | 47.34 | a | 37.94 | 22.77 | -2.13 | a | 28.32 | ||||||||
1959 | -7.68 | -3.89 | 12.87 | a | 29.10 | 43.26 | 51.43 | 54.19 | 58.23 | a | 46.07 | 32.23 | 11.93 | 15.90 | a | 28.64 | ||||||||||
1960 | 5.10 | 6.21 | 1.32 | 30.63 | 40.33 | a | 45.80 | 51.61 | 55.06 | 47.60 | 34.55 | 25.50 | 4.48 | 29.02 | ||||||||||||
1961 | -0.26 | 8.00 | a | 19.20 | a | 27.03 | 34.71 | 49.24 | a | 53.94 | 52.71 | 44.80 | 35.74 | 19.87 | 3.39 | 29.03 | ||||||||||
1962 | -4.58 | -2.18 | 14.03 | 26.57 | 45.26 | 48.87 | 52.00 | 50.89 | d | 41.50 | 34.85 | d | 23.43 | 4.06 | 27.89 | |||||||||||
1963 | -10.32 | -8.71 | 13.87 | 27.66 | a | 36.19 | 51.07 | 55.84 | 49.32 | 42.67 | 38.29 | 24.00 | -3.65 | 26.35 | ||||||||||||
1964 | 6.35 | 0.90 | 7.71 | 26.17 | a | 44.39 | 47.00 | 53.35 | 46.48 | 41.83 | 30.52 | 21.03 | 0.23 | 27.16 | ||||||||||||
1965 | -3.58 | -4.32 | 5.65 | 27.10 | 42.74 | 48.20 | 51.94 | 50.68 | 40.52 | a | 34.83 | a | 23.33 | 16.26 | 27.78 | |||||||||||
1966 | -7.87 | 5.11 | 18.29 | 27.76 | a | 34.58 | 50.66 | a | 58.16 | 52.93 | a | 44.33 | 33.16 | 22.63 | 8.16 | 28.99 | ||||||||||
1967 | 5.87 | -5.29 | 13.39 | 28.57 | 33.68 | 50.77 | 52.37 | a | 48.55 | 43.07 | 34.61 | 19.67 | 7.83 | a | 27.76 | |||||||||||
1968 | 0.32 | -1.03 | 20.03 | 29.87 | 38.23 | 49.73 | 53.35 | 51.26 | 46.03 | 36.35 | 21.83 | 8.61 | 29.55 | |||||||||||||
1969 | 3.06 | 3.75 | 6.47 | a | 30.83 | 42.03 | 44.07 | c | 52.81 | 54.32 | 43.00 | 30.58 | 18.63 | 9.00 | 28.21 | |||||||||||
1970 | -5.35 | -2.18 | 8.00 | 31.67 | 43.35 | 54.20 | 55.94 | 53.42 | 48.00 | 40.70 | a | 25.08 | e | ----- | z | 32.07 | a | |||||||||
1971 | -6.19 | 2.57 | 9.27 | a | 26.03 | 34.45 | 53.97 | a | 49.19 | 50.00 | 47.77 | 44.45 | 24.70 | ----- | z | 30.56 | a | |||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.29 | 1.24 | 11.98 | 26.82 | 38.02 | 48.38 | 52.76 | 50.41 | 43.08 | 33.76 | 21.08 | 7.16 | 28.12 | |||||||||||||
S.D. | 6.13 | 5.85 | 5.19 | 3.21 | 3.42 | 3.38 | 2.64 | 3.27 | 2.70 | 3.46 | 3.85 | 5.55 | 1.51 | |||||||||||||
SKEW | 0.01 | 0.08 | 0.20 | -0.15 | 0.34 | -0.15 | 0.38 | -0.09 | -0.24 | 0.25 | -0.12 | 0.18 | 0.07 | |||||||||||||
MAX | 11.71 | 16.37 | 24.35 | 34.70 | 45.30 | 54.20 | 58.55 | 58.23 | 48.24 | 44.45 | 29.14 | 18.39 | 31.50 | |||||||||||||
MIN | -12.26 | -12.97 | 1.32 | 19.20 | 31.61 | 42.33 | 47.87 | 42.35 | 34.93 | 25.84 | 11.93 | -3.65 | 24.79 | |||||||||||||
YRS | 58 | 58 | 59 | 62 | 61 | 61 | 61 | 61 | 60 | 59 | 57 | 59 | 47 |