YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1912 | 32.95 | c | ----- | z | 38.29 | b | 45.62 | b | 52.97 | a | 60.30 | 63.50 | 61.61 | 56.60 | a | 45.22 | a | 40.47 | a | 34.19 | 48.34 | a | ||||
1913 | 31.57 | d | 30.71 | d | 37.42 | 45.50 | c | 52.48 | e | 60.03 | 64.50 | h | 65.67 | d | 57.18 | 48.85 | 41.73 | 30.80 | a | 45.63 | a | |||||
1914 | 36.60 | a | 35.57 | 44.38 | a | 48.31 | a | 57.15 | a | 58.43 | b | 67.00 | 66.91 | i | 55.24 | a | 50.94 | 42.08 | 26.76 | b | 47.50 | a | ||||
1915 | 29.97 | a | 37.16 | 44.14 | j | 51.70 | 52.73 | 59.92 | 64.16 | 68.00 | 57.52 | b | 50.61 | 38.64 | a | 33.50 | a | 49.45 | a | |||||||
1916 | 20.07 | a | 31.23 | a | 38.23 | 47.28 | 49.95 | b | 56.88 | 59.30 | a | 63.42 | a | 56.92 | 47.89 | 34.00 | 31.32 | 44.71 | ||||||||
1917 | 32.31 | b | 34.46 | a | 34.13 | 42.57 | 49.18 | 55.82 | b | 64.55 | 65.00 | 56.72 | 51.58 | a | 41.58 | 42.85 | a | 47.56 | ||||||||
1918 | 38.81 | 33.18 | 39.57 | a | 45.95 | 50.03 | 61.47 | 62.06 | 59.81 | 60.68 | 50.35 | 38.93 | 32.85 | a | 47.81 | |||||||||||
1919 | 31.48 | c | 34.25 | 40.42 | 46.45 | 51.35 | a | 54.48 | 63.26 | 62.89 | 53.63 | 45.47 | 37.93 | 26.30 | c | 45.66 | ||||||||||
1920 | 31.55 | b | 34.66 | 39.58 | 42.00 | 48.89 | 55.88 | 63.65 | 63.79 | 54.81 | a | 46.69 | 37.17 | 34.56 | 46.10 | |||||||||||
1921 | 32.13 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 21.41 | t | 32.13 | k |
1922 | 22.68 | a | 29.02 | 34.50 | 41.27 | 50.08 | 61.67 | 65.03 | 62.44 | 57.85 | 48.77 | 34.47 | a | 26.97 | a | 44.56 | ||||||||||
1923 | 32.66 | 31.02 | 40.61 | 45.08 | 50.76 | 56.29 | a | 63.21 | 63.55 | 58.07 | 46.89 | 41.14 | a | 33.06 | 46.86 | |||||||||||
1924 | 28.77 | a | 39.90 | 40.42 | 47.40 | 56.34 | 58.98 | 61.94 | 60.19 | b | 56.03 | 46.68 | c | 36.48 | c | 26.47 | b | 46.63 | ||||||||
1925 | 36.81 | 39.80 | 42.19 | 48.72 | a | 55.16 | b | 58.12 | 66.44 | w | 61.52 | e | ----- | z | ----- | z | ----- | z | ----- | z | 48.90 | e | ||||
1926 | 33.23 | 38.59 | 46.26 | 52.24 | a | 52.68 | a | 62.87 | 64.37 | 63.15 | 52.08 | 49.62 | a | 39.13 | c | 32.18 | 48.87 | |||||||||
1927 | 26.98 | k | 35.83 | m | ----- | z | 44.76 | a | ----- | z | ----- | z | 63.44 | m | 62.66 | i | ----- | z | 48.61 | d | 40.03 | o | 29.84 | 41.07 | i | |
1928 | 29.78 | a | 34.28 | 42.44 | f | 43.85 | 55.89 | 56.88 | 62.71 | 60.90 | 55.17 | 47.29 | 38.68 | 29.71 | 46.83 | a | ||||||||||
1929 | 25.56 | 26.29 | b | 40.94 | 42.97 | 52.27 | 57.55 | a | 61.02 | 62.65 | 53.45 | 49.35 | a | 38.25 | 36.69 | 45.58 | ||||||||||
1930 | 14.52 | 39.79 | 42.68 | 49.88 | 49.42 | a | 55.75 | 61.44 | 63.37 | 56.12 | 44.47 | 37.76 | a | 30.17 | a | 45.45 | ||||||||||
1931 | 33.90 | a | 35.62 | 40.22 | a | 47.22 | 55.37 | a | 56.98 | 64.79 | e | 61.95 | 54.80 | 46.95 | 35.20 | 27.19 | 46.68 | |||||||||
1932 | 29.73 | 31.72 | 40.69 | 45.82 | 51.16 | 58.55 | 58.97 | 60.77 | 57.47 | 49.05 | 40.73 | 27.66 | 46.03 | |||||||||||||
1933 | 30.95 | a | 27.09 | 34.66 | b | 40.72 | 43.40 | 52.82 | 57.48 | e | 62.13 | 52.72 | a | 51.84 | 40.97 | 39.10 | 44.49 | |||||||||
1934 | 39.73 | 41.18 | 48.57 | a | 54.00 | a | 55.53 | 60.12 | b | 62.23 | 63.90 | 56.25 | 51.18 | 41.91 | a | 36.32 | 50.91 | |||||||||
1935 | 30.67 | a | 35.84 | 37.84 | 44.90 | 52.90 | 58.13 | 62.92 | a | 61.97 | 59.50 | 47.13 | 35.83 | 30.68 | 46.53 | |||||||||||
1936 | 34.44 | 22.59 | a | 39.55 | 49.73 | 55.68 | 59.00 | 61.98 | 63.34 | 57.05 | 51.25 | a | 34.88 | 36.82 | 47.19 | |||||||||||
1937 | 17.90 | 32.87 | a | 40.76 | 43.83 | 52.63 | e | 58.77 | 64.92 | 59.24 | 58.23 | 51.50 | 41.00 | 36.74 | 46.53 | |||||||||||
1938 | 34.05 | 32.93 | 39.50 | 48.07 | 54.02 | 60.97 | 67.03 | 61.34 | 61.27 | 48.45 | 36.10 | 34.71 | 48.20 | |||||||||||||
1939 | 36.48 | 33.86 | 42.76 | f | 50.42 | 54.90 | 57.00 | 64.82 | i | 64.16 | 58.13 | 48.81 | 40.61 | h | 37.53 | 49.03 | c | |||||||||
1940 | 32.54 | e | 37.14 | 45.00 | a | 48.27 | 56.15 | 62.21 | i | 64.00 | 63.80 | i | 59.15 | 50.60 | 35.50 | 32.90 | 46.12 | b | ||||||||
1941 | 32.56 | 36.89 | 45.58 | 49.67 | 53.58 | 56.95 | j | 68.52 | e | 63.16 | 54.82 | 48.02 | 40.40 | 35.52 | 48.06 | a | ||||||||||
1942 | 21.65 | 34.73 | 41.34 | 48.42 | 51.65 | 56.73 | 64.39 | 65.39 | 58.65 | 49.53 | 36.50 | 35.27 | 47.02 | |||||||||||||
1943 | 25.11 | 35.55 | 39.19 | 49.27 | 51.16 | 55.85 | 64.45 | 60.00 | 59.35 | 46.71 | 38.58 | 31.74 | 46.41 | |||||||||||||
1944 | 30.82 | 35.16 | 39.74 | 46.53 | 53.37 | 57.93 | 65.05 | 62.23 | 58.13 | 50.78 | a | 36.33 | a | 28.76 | 47.07 | |||||||||||
1945 | 35.45 | 36.64 | 38.35 | 45.10 | 53.53 | 57.60 | 65.29 | 63.03 | 55.12 | 47.89 | 37.32 | 30.24 | 47.13 | |||||||||||||
1946 | 34.88 | a | 35.32 | 40.58 | 47.05 | a | 55.68 | 56.77 | 64.34 | 64.29 | 55.47 | 44.87 | 36.68 | 35.79 | 47.64 | |||||||||||
1947 | 30.34 | 39.86 | 44.82 | 49.50 | 58.31 | 57.07 | 62.50 | 60.61 | 58.37 | 48.56 | 40.41 | a | 35.15 | 48.79 | ||||||||||||
1948 | 31.66 | 30.36 | a | 36.67 | a | 43.70 | 52.27 | 62.83 | 61.90 | 61.35 | 55.38 | 47.68 | 38.67 | 28.85 | 45.94 | |||||||||||
1949 | 17.32 | 32.45 | 39.84 | 48.67 | 56.90 | 58.57 | 62.79 | 62.58 | 59.00 | 45.32 | 43.82 | 34.87 | 46.84 | |||||||||||||
1950 | 17.26 | 32.46 | a | 38.18 | 44.42 | 51.15 | 59.20 | 64.98 | 65.89 | 58.98 | 47.21 | 39.52 | 38.31 | 46.46 | ||||||||||||
1951 | 31.58 | 35.34 | 37.52 | 49.20 | 53.42 | 61.65 | 64.92 | 64.40 | 59.95 | 48.15 | 38.77 | 31.34 | 48.02 | |||||||||||||
1952 | 27.08 | 34.64 | 39.66 | 48.45 | 53.75 | a | 56.82 | 61.35 | 60.61 | 59.53 | 54.42 | 34.38 | 33.39 | 47.01 | ||||||||||||
1953 | 42.35 | 40.64 | 41.84 | 45.77 | 50.15 | 54.32 | 63.48 | 63.32 | 59.27 | 51.44 | 42.80 | e | 38.34 | 49.48 | ||||||||||||
1954 | 31.30 | a | 35.07 | a | 37.77 | a | 44.68 | 52.45 | 54.36 | h | 59.61 | 58.56 | 56.68 | 46.00 | 44.17 | a | 33.39 | 45.43 | a | |||||||
1955 | 31.27 | 35.12 | 35.75 | a | 40.70 | 49.37 | 58.77 | 59.50 | 62.24 | 56.32 | 47.71 | 33.65 | 30.33 | d | 45.06 | |||||||||||
1956 | 31.18 | 28.59 | 38.53 | b | 48.03 | 55.84 | 55.59 | c | 65.56 | 62.40 | f | 57.67 | 47.06 | 37.18 | 35.35 | a | 45.51 | a | ||||||||
1957 | 18.94 | 33.73 | 39.73 | 48.18 | 56.10 | a | 60.12 | 61.74 | 60.38 | a | 60.92 | 46.84 | 38.50 | 37.90 | 46.92 | |||||||||||
1958 | 35.92 | 41.79 | 39.16 | 45.57 | 59.27 | 63.34 | a | 68.15 | 67.19 | 57.48 | 49.63 | 38.55 | a | 36.90 | 50.25 | |||||||||||
1959 | 32.76 | 34.96 | 40.92 | 46.62 | 49.16 | 58.00 | 65.27 | 60.84 | 54.83 | 49.32 | 38.23 | 33.95 | 47.07 | |||||||||||||
1960 | 26.28 | a | 35.66 | 39.63 | 45.53 | 48.97 | 59.13 | d | 67.02 | 61.15 | 58.55 | 50.24 | 39.00 | 30.66 | 46.82 | |||||||||||
1961 | 35.10 | 40.38 | 41.11 | 45.90 | 51.26 | 62.48 | 66.13 | 68.50 | 55.15 | 46.17 | b | 34.90 | 33.71 | b | 48.40 | |||||||||||
1962 | 32.90 | 35.02 | 37.32 | 48.40 | 48.02 | 57.25 | 63.08 | 61.07 | a | 57.32 | 48.10 | 41.67 | 38.84 | f | 48.19 | a | ||||||||||
1963 | 30.26 | 41.38 | l | ----- | z | ----- | z | 59.93 | q | 59.48 | d | 61.91 | c | 64.71 | 61.27 | 52.70 | a | 41.36 | b | 30.04 | c | 50.21 | d | |||
1964 | 35.36 | b | 38.41 | 40.27 | 44.62 | b | 50.52 | 57.58 | d | 63.06 | d | 59.55 | 54.53 | 47.90 | 36.21 | a | 28.77 | e | 46.40 | |||||||
1965 | 33.58 | 39.09 | 40.23 | 47.62 | 50.37 | 57.55 | 64.27 | 62.57 | b | 53.80 | 51.25 | a | 41.85 | 32.42 | a | 47.88 | ||||||||||
1966 | 33.03 | a | 36.02 | 39.63 | a | 47.90 | 55.58 | 58.04 | b | 63.71 | 64.45 | 60.90 | 50.03 | a | 41.28 | 35.68 | 48.85 | |||||||||
1967 | 37.26 | j | 41.26 | e | 40.66 | 44.21 | b | 54.68 | 64.43 | 67.85 | 71.28 | a | 63.97 | 49.93 | b | 41.29 | a | 35.18 | 52.25 | a | ||||||
1968 | 31.92 | 38.28 | 41.77 | a | 44.95 | a | 53.11 | d | 61.45 | i | 68.32 | 63.19 | b | ----- | z | 46.75 | i | 37.88 | a | 31.91 | n | 47.43 | d | |||
1969 | 19.75 | q | 34.89 | i | 40.13 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 30.54 | 34.98 | 40.04 | 46.60 | 52.75 | 58.45 | 63.67 | 62.87 | 57.25 | 48.69 | 38.69 | 33.01 | 47.05 | |||||||||||||
S.D. | 5.88 | 3.99 | 2.85 | 2.81 | 2.97 | 2.44 | 2.43 | 2.44 | 2.43 | 2.16 | 2.66 | 3.70 | 1.44 | |||||||||||||
SKEW | -0.97 | -0.64 | 0.55 | 0.07 | -0.29 | 0.35 | -0.15 | 1.03 | 0.21 | 0.20 | -0.01 | 0.09 | 0.54 | |||||||||||||
MAX | 42.35 | 41.79 | 48.57 | 54.00 | 59.27 | 64.43 | 68.52 | 71.28 | 63.97 | 54.42 | 44.17 | 42.85 | 50.91 | |||||||||||||
MIN | 14.52 | 22.59 | 34.13 | 40.70 | 43.40 | 52.82 | 57.48 | 58.56 | 52.08 | 44.47 | 33.65 | 26.30 | 44.49 | |||||||||||||
YRS | 55 | 53 | 51 | 55 | 54 | 51 | 52 | 52 | 53 | 54 | 53 | 53 | 40 |