YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1909 | ----- | z | ----- | z | ----- | z | 37.27 | s | 49.79 | b | 66.53 | ----- | z | 63.11 | 53.35 | 44.42 | a | 41.14 | a | 26.57 | a | 49.27 | e | |||
1910 | 27.31 | e | ----- | z | 39.35 | 42.27 | 52.43 | a | 58.42 | 64.73 | 58.77 | 56.07 | 46.08 | 37.28 | 29.66 | c | 46.58 | a | ||||||||
1911 | 28.40 | a | 26.88 | 33.16 | 43.40 | 51.71 | s | 56.72 | 60.16 | 63.77 | a | 59.12 | 43.55 | 31.52 | a | 21.08 | 42.52 | a | ||||||||
1912 | 25.40 | 28.83 | 32.21 | b | 37.92 | 51.35 | 57.73 | 64.61 | 61.87 | 54.02 | b | 45.63 | 36.17 | 24.41 | b | 43.35 | ||||||||||
1913 | 22.05 | 24.21 | b | 31.21 | 45.31 | d | 54.60 | 57.22 | 63.84 | 63.60 | b | 52.13 | 48.21 | b | 40.07 | 22.17 | a | 43.72 | ||||||||
1914 | 31.13 | 28.30 | a | 35.30 | a | 42.73 | 51.26 | 60.69 | a | 61.06 | 61.40 | 57.83 | 46.48 | 40.22 | 22.95 | a | 44.95 | |||||||||
1915 | 23.03 | 28.05 | 29.24 | 43.28 | 47.11 | 58.50 | 62.15 | 59.98 | 54.70 | 48.05 | 36.10 | 29.45 | 43.30 | |||||||||||||
1916 | 27.18 | a | 31.86 | 38.90 | 41.38 | 49.27 | 60.14 | a | 61.79 | 59.81 | 55.53 | a | 45.93 | a | 35.50 | 24.42 | 44.31 | |||||||||
1917 | 23.79 | 27.95 | 30.02 | 40.63 | 42.97 | 58.22 | 63.56 | 57.58 | 57.42 | 47.52 | 40.02 | 33.26 | 43.58 | |||||||||||||
1918 | 23.37 | 30.30 | 36.60 | b | 39.48 | a | 49.72 | a | 60.95 | 61.53 | 60.11 | 54.90 | 46.93 | d | 30.22 | 25.13 | 43.27 | |||||||||
1919 | 23.92 | 22.55 | 30.08 | 42.55 | 49.90 | 55.75 | 61.50 | 62.61 | 55.72 | 42.48 | 34.02 | 31.55 | b | 42.72 | ||||||||||||
1920 | 30.85 | 31.34 | a | 30.80 | c | 36.22 | 50.80 | a | 56.43 | 61.69 | 58.81 | 54.32 | 46.26 | h | 35.98 | a | 25.26 | 42.96 | a | |||||||
1921 | 29.06 | 30.70 | 39.03 | 39.29 | a | 50.84 | 57.43 | 61.33 | b | 60.73 | 58.41 | b | 49.85 | 39.77 | 35.05 | 45.96 | ||||||||||
1922 | ----- | z | 34.58 | i | 33.52 | 41.87 | 52.48 | 62.02 | a | 65.06 | 64.27 | 58.16 | a | 47.68 | 34.29 | a | 32.12 | a | 49.15 | b | ||||||
1923 | 31.90 | 29.48 | 30.56 | 41.78 | 51.63 | 59.80 | 63.94 | 59.79 | b | 54.10 | 43.40 | a | 35.65 | 29.97 | b | 44.33 | ||||||||||
1924 | 25.60 | 32.43 | 29.76 | 41.47 | l | 51.10 | 62.88 | 61.75 | a | 62.31 | 56.43 | a | 46.92 | 38.58 | 27.67 | b | 45.04 | a | ||||||||
1925 | 23.37 | a | 30.34 | 39.50 | 46.25 | 53.59 | b | 59.45 | 63.20 | a | 59.12 | a | 54.65 | 45.15 | 34.42 | 28.29 | 44.78 | |||||||||
1926 | 23.75 | a | 32.00 | 33.73 | 40.90 | a | 48.71 | 58.48 | 60.50 | 62.27 | 57.73 | 50.00 | 36.09 | a | 27.68 | 44.32 | ||||||||||
1927 | 32.47 | a | 32.96 | 35.14 | b | 43.75 | 53.10 | 57.55 | 62.65 | a | 59.50 | a | 54.91 | b | 47.37 | 39.70 | 23.32 | 45.20 | ||||||||
1928 | 29.90 | 27.93 | 36.81 | 39.32 | 50.33 | a | 58.50 | ----- | z | 59.45 | 56.20 | 48.58 | 34.50 | 27.82 | 42.67 | a | ||||||||||
1929 | 26.30 | a | 21.98 | b | 33.16 | 41.13 | 48.78 | a | 59.34 | a | 62.78 | b | 60.77 | a | 55.12 | a | 47.32 | 31.78 | 31.94 | 43.37 | ||||||
1930 | 23.85 | 34.67 | a | 31.82 | a | 47.30 | 49.95 | 61.45 | 61.82 | 60.73 | a | 54.68 | 46.67 | a | 33.87 | 26.58 | 44.45 | |||||||||
1931 | 29.19 | 30.36 | 31.67 | a | 40.00 | a | 48.48 | 60.70 | 63.07 | b | 60.71 | b | 57.90 | a | 46.69 | 33.37 | 26.81 | d | 44.08 | |||||||
1932 | 20.18 | c | 27.96 | e | ----- | z | ----- | z | 53.33 | p | 56.98 | 64.60 | 62.50 | b | 56.87 | 49.02 | f | 41.85 | 25.93 | b | 44.61 | d | ||||
1933 | ----- | z | 25.95 | q | 34.29 | 37.37 | 48.21 | 62.02 | a | 58.44 | w | 62.56 | e | ----- | z | 51.90 | a | 41.79 | a | 37.38 | b | 46.94 | d | |||
1934 | 31.12 | a | 36.43 | 43.34 | 48.31 | a | 56.63 | 59.90 | 67.68 | a | 65.87 | 57.23 | 51.59 | b | 36.72 | 31.35 | 48.85 | |||||||||
1935 | 35.57 | a | 37.80 | ----- | z | ----- | z | 44.65 | 59.25 | 59.90 | 62.50 | 58.62 | 47.27 | ----- | z | 37.65 | a | 49.25 | c | |||||||
1936 | 28.50 | a | 29.43 | 37.39 | 44.95 | 53.63 | 64.20 | 64.16 | 64.60 | 55.47 | 46.77 | 37.22 | 28.28 | a | 46.22 | |||||||||||
1937 | 19.58 | a | 27.61 | 33.02 | 43.40 | 54.00 | a | 60.15 | 64.92 | 66.18 | 58.60 | 47.28 | a | 36.57 | 28.35 | 44.97 | ||||||||||
1938 | 25.90 | b | 29.30 | 34.73 | a | 43.07 | 49.05 | a | 59.32 | 61.29 | 64.19 | b | 56.53 | 49.26 | 31.10 | 30.87 | 44.55 | |||||||||
1939 | 25.47 | a | 20.30 | a | 35.17 | a | 44.97 | 54.13 | 61.90 | 64.65 | 62.90 | 58.93 | 48.25 | a | 40.25 | 37.27 | 46.18 | |||||||||
1940 | 28.90 | 35.48 | 39.48 | a | 46.02 | b | 54.97 | 63.17 | a | 66.92 | 63.78 | a | 58.84 | b | 48.21 | 37.78 | c | 38.87 | a | 48.54 | ||||||
1941 | 33.13 | a | 35.54 | 36.85 | 38.12 | a | 50.33 | b | 55.60 | 60.62 | a | 62.82 | 56.57 | c | 48.65 | 40.28 | 35.91 | b | 46.20 | |||||||
1942 | 33.26 | b | ----- | z | 30.28 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 58.70 | h | ----- | z | ----- | z | 34.77 | 32.77 | i | |
1943 | 29.11 | 30.86 | 36.45 | 51.13 | c | 52.97 | 60.32 | 65.63 | a | 65.21 | 56.95 | 49.29 | b | 31.45 | b | 21.07 | c | 45.87 | ||||||||
1944 | 19.34 | c | 18.37 | f | ----- | z | 26.61 | c | ----- | z | ----- | z | 64.95 | a | 67.40 | a | 60.34 | b | 50.97 | ----- | z | ----- | z | 48.27 | f | |
1945 | 23.60 | f | 22.02 | g | ----- | z | ----- | z | ----- | z | 64.29 | d | 66.23 | ----- | z | ----- | z | 34.12 | g | ----- | z | ----- | z | 65.26 | j | |
1946 | 29.19 | ----- | z | 42.68 | c | ----- | z | 47.71 | 64.70 | 64.84 | 61.53 | 58.45 | 43.74 | ----- | z | 33.40 | 49.58 | c | ||||||||
1947 | 25.52 | c | ----- | z | ----- | z | 36.20 | ----- | z | ----- | z | 58.53 | 58.94 | 56.85 | 49.05 | 30.82 | 25.39 | 42.66 | d | |||||||
1948 | 26.58 | a | 30.77 | a | 26.29 | 45.31 | a | 52.82 | 60.63 | 65.31 | 64.76 | 60.15 | 47.40 | 27.10 | 32.77 | g | 46.10 | a | ||||||||
1949 | 22.44 | 26.07 | 34.55 | 43.13 | 49.39 | 55.37 | g | 63.19 | 61.71 | b | 60.75 | 46.00 | 41.83 | a | 25.42 | 43.13 | a | |||||||||
1950 | 25.67 | a | 34.35 | a | 35.10 | b | 42.66 | a | 49.16 | 62.20 | b | ----- | z | 67.73 | c | 56.33 | a | 56.44 | 38.53 | a | 38.38 | f | 46.82 | b | ||
1951 | 27.32 | 30.39 | ----- | z | 40.52 | c | 50.42 | 59.22 | 66.74 | 64.98 | 56.77 | b | 46.35 | 33.25 | p | 21.68 | 46.44 | b | ||||||||
1952 | 27.48 | b | 30.02 | 30.71 | b | 43.19 | d | 51.12 | e | 62.63 | 60.92 | a | 61.30 | d | 56.93 | 49.97 | 29.13 | d | 22.48 | a | 43.82 | |||||
1953 | 30.90 | a | 26.83 | b | 31.80 | a | 37.54 | b | 49.38 | b | ----- | z | 65.26 | 62.54 | c | 58.93 | 49.28 | b | 37.76 | c | 24.86 | b | 43.19 | a | ||
1954 | 28.12 | a | 34.82 | c | 30.77 | c | 48.62 | f | 51.87 | e | 62.21 | b | 66.52 | d | 61.84 | b | 57.63 | 46.29 | b | 36.81 | c | 27.27 | c | 45.83 | a | |
1955 | 21.42 | g | 20.68 | f | ----- | z | 40.33 | f | 51.22 | b | 59.86 | a | 65.80 | c | 65.58 | g | 62.08 | 53.64 | c | 41.83 | 35.29 | 52.82 | e | |||
1956 | ----- | z | 29.09 | b | 36.79 | c | 42.15 | c | 59.52 | k | 66.82 | 67.48 | 64.98 | 65.09 | a | ----- | z | 35.86 | b | 33.02 | 49.03 | c | ||||
1957 | 30.77 | 39.93 | 37.15 | 45.11 | g | 47.98 | 62.05 | 65.98 | b | 62.76 | 58.62 | 49.02 | a | 35.82 | 34.11 | 47.65 | a | |||||||||
1958 | 30.20 | a | 35.31 | a | 32.20 | a | 42.18 | 57.32 | 64.77 | f | 67.60 | 65.29 | 59.37 | 49.26 | 40.63 | 39.66 | 47.18 | a | ||||||||
1959 | 32.52 | 33.34 | 37.53 | 46.98 | 52.13 | 62.19 | a | 65.68 | 64.65 | 59.68 | 49.35 | 40.15 | d | 36.67 | a | 48.41 | ||||||||||
1960 | 30.85 | a | 27.64 | 38.79 | 47.15 | 51.77 | 62.55 | 63.66 | 65.70 | a | 61.05 | 51.19 | 41.75 | 30.26 | 47.70 | |||||||||||
1961 | 30.42 | a | 35.50 | a | 38.62 | a | 42.69 | a | 53.84 | 61.35 | 63.23 | 58.95 | b | 55.65 | 48.18 | 35.92 | ----- | z | 47.67 | a | ||||||
1962 | ----- | z | 36.88 | 34.83 | b | 48.42 | 52.23 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.09 | h | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 27.44 | 30.56 | 34.57 | 42.25 | 50.96 | 60.39 | 63.65 | 62.38 | 57.25 | 47.91 | 36.58 | 29.38 | 45.07 | |||||||||||||
S.D. | 3.84 | 4.24 | 3.74 | 4.14 | 2.75 | 2.63 | 2.27 | 2.43 | 2.41 | 2.60 | 3.76 | 5.13 | 1.71 | |||||||||||||
SKEW | -0.21 | -0.14 | 0.22 | -0.99 | -0.27 | 0.34 | -0.10 | 0.14 | 0.60 | 0.62 | -0.46 | 0.24 | 0.86 | |||||||||||||
MAX | 35.57 | 39.93 | 43.34 | 51.13 | 57.32 | 66.82 | 67.68 | 67.73 | 65.09 | 56.44 | 41.85 | 39.66 | 48.85 | |||||||||||||
MIN | 19.34 | 20.30 | 26.29 | 26.61 | 42.97 | 55.60 | 58.53 | 57.58 | 52.13 | 42.48 | 27.10 | 21.07 | 42.72 | |||||||||||||
YRS | 47 | 44 | 46 | 44 | 47 | 47 | 48 | 50 | 50 | 48 | 47 | 48 | 27 |