YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1912 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 57.24 | m | 50.77 | t | 38.29 | a | 29.08 | a | 33.69 | j |
1917 | 28.53 | b | 31.94 | a | 36.27 | a | 44.12 | b | 49.75 | a | 63.73 | 70.63 | a | 66.24 | 62.03 | 51.08 | 42.28 | a | 37.60 | 48.68 | ||||||
1918 | 27.93 | b | 36.66 | 42.83 | b | 46.67 | 52.27 | 68.33 | 68.19 | 66.47 | 62.90 | 51.08 | 35.64 | a | 27.21 | 48.85 | ||||||||||
1919 | 20.19 | 26.00 | b | 36.52 | 49.93 | 55.03 | 63.58 | 67.40 | 68.07 | a | 60.60 | 47.82 | 38.23 | 33.68 | 47.26 | |||||||||||
1920 | 31.34 | b | 38.83 | 38.35 | 44.03 | 54.08 | 61.30 | 68.18 | 65.76 | 60.48 | 47.42 | 39.81 | a | 30.34 | 48.33 | |||||||||||
1921 | 34.90 | a | 35.59 | 44.02 | a | 44.63 | 52.74 | 63.10 | a | 68.05 | 65.61 | 61.10 | 53.17 | b | 42.60 | 36.38 | a | 50.16 | ||||||||
1922 | 27.34 | 32.89 | 37.56 | 42.67 | 53.85 | 64.95 | 69.97 | 67.61 | 63.35 | f | 50.95 | 35.88 | 36.24 | 47.27 | a | |||||||||||
1923 | 34.81 | 31.98 | a | 35.92 | 46.45 | 54.82 | 60.67 | 69.00 | 65.03 | 57.28 | 46.55 | a | 40.07 | a | 29.56 | 47.68 | ||||||||||
1924 | 28.40 | 36.90 | 35.25 | a | 44.50 | 54.47 | 65.35 | 67.76 | 66.90 | 62.30 | 50.58 | 41.72 | 25.89 | 48.33 | ||||||||||||
1925 | 24.60 | 38.64 | 45.47 | 48.42 | 57.79 | 62.43 | 68.87 | 64.98 | 59.02 | 50.31 | 37.82 | 30.90 | 49.10 | |||||||||||||
1926 | 27.00 | 37.39 | 39.39 | 46.43 | 53.90 | 62.98 | 67.02 | 67.15 | 63.08 | 52.53 | 42.27 | 26.33 | a | 48.79 | ||||||||||||
1927 | 35.18 | 40.16 | 39.58 | 46.03 | 54.44 | 61.32 | 69.24 | 66.52 | 60.42 | 50.77 | 43.48 | 27.20 | a | 49.53 | ||||||||||||
1928 | 32.69 | 32.40 | 42.77 | 44.28 | 56.74 | 63.30 | 68.84 | 65.13 | d | 63.10 | 51.18 | 37.57 | 30.52 | 49.04 | ||||||||||||
1929 | 31.17 | h | 27.57 | 37.34 | 43.52 | 54.55 | 61.60 | 67.79 | 63.87 | 59.88 | 48.85 | 35.48 | b | 33.84 | 48.57 | a | ||||||||||
1930 | 27.11 | 36.78 | a | 36.33 | b | 48.37 | 47.80 | a | 65.08 | 68.79 | 66.71 | 59.22 | a | 48.21 | 36.86 | a | 27.78 | a | 47.42 | |||||||
1931 | 27.41 | b | 36.77 | 40.27 | 48.45 | 55.15 | 63.33 | 71.00 | d | 67.16 | 63.38 | a | 50.85 | 36.97 | a | 19.69 | 48.37 | |||||||||
1932 | 22.15 | a | 35.12 | a | 39.37 | h | 46.12 | b | 54.60 | g | 60.98 | 69.50 | 68.35 | 61.65 | 51.00 | 40.53 | 22.34 | b | 47.78 | b | ||||||
1933 | 24.65 | 26.05 | 39.47 | a | 42.40 | 47.48 | d | 64.12 | 72.13 | a | 68.74 | 63.23 | 53.58 | a | 41.72 | a | 36.74 | 48.36 | ||||||||
1934 | 34.21 | g | 39.55 | 46.23 | 49.85 | 59.97 | a | 59.78 | e | 72.52 | 69.55 | 61.91 | a | 53.08 | e | 41.54 | b | 33.73 | a | 53.43 | a | |||||
1935 | 34.20 | a | 36.83 | a | 39.29 | b | 48.70 | 50.13 | a | 64.42 | 69.16 | f | 69.13 | 61.12 | 51.26 | 37.79 | i | 32.21 | 48.73 | b | ||||||
1936 | 32.15 | a | 35.02 | a | 40.42 | 50.29 | b | 56.74 | 67.67 | 70.79 | 70.10 | 61.15 | 51.69 | e | 38.04 | b | 33.65 | a | 50.64 | |||||||
1937 | 19.03 | b | 32.63 | a | 40.15 | 45.88 | 55.24 | 60.17 | i | 69.65 | 70.94 | 66.55 | a | 53.78 | a | 44.16 | b | 37.56 | 48.69 | a | ||||||
1938 | 33.29 | 36.48 | a | 40.02 | a | 45.04 | b | 52.94 | 63.13 | 68.90 | 67.50 | h | 62.80 | 51.41 | h | ----- | z | ----- | z | 50.32 | d | |||||
1939 | 28.84 | f | 25.00 | h | 40.77 | a | 48.50 | 55.50 | 63.78 | 72.42 | 70.32 | a | 62.87 | c | 48.84 | 37.90 | 35.34 | b | 53.62 | b | ||||||
1940 | 31.22 | a | 36.71 | 40.58 | 46.88 | a | 55.94 | 65.80 | 69.71 | g | 67.69 | 61.90 | 52.73 | c | 37.48 | 36.76 | 48.52 | a | ||||||||
1941 | 33.42 | 37.95 | 39.66 | 41.58 | 53.92 | 58.08 | 66.34 | 65.29 | 59.48 | 47.89 | 40.14 | a | 33.44 | 48.10 | ||||||||||||
1942 | 29.69 | 30.23 | 37.26 | 44.65 | 51.71 | 62.32 | 72.58 | 68.03 | 62.58 | 51.87 | 44.33 | 36.34 | b | 49.30 | ||||||||||||
1943 | 34.00 | 41.21 | 41.65 | 49.30 | 56.42 | 64.08 | 70.53 | 68.56 | 63.35 | 51.85 | 38.90 | 32.50 | 51.03 | |||||||||||||
1944 | 26.67 | b | 34.89 | a | 37.45 | 42.88 | 52.23 | a | 59.20 | 68.02 | 68.76 | 61.50 | ----- | z | 38.41 | a | 32.92 | g | 49.00 | b | ||||||
1945 | 29.77 | c | 35.50 | k | 35.35 | ----- | z | ----- | z | 57.55 | 69.87 | a | 68.76 | 61.05 | 52.58 | l | ----- | z | ----- | z | 53.72 | f | ||||
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 38.46 | b | 36.61 | 37.54 | j | |
1947 | 28.82 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 70.18 | 67.18 | 64.03 | 51.79 | 33.12 | a | 28.73 | c | 49.12 | e | |||||
1948 | 32.08 | 29.95 | 32.61 | 48.69 | a | 55.16 | 63.14 | a | 68.34 | 67.77 | 63.37 | 51.56 | 34.95 | 35.56 | 48.60 | |||||||||||
1949 | 21.73 | 30.07 | 39.13 | 47.18 | 54.65 | 62.97 | 68.06 | 66.35 | 64.50 | 49.42 | 42.63 | 28.88 | a | 47.96 | ||||||||||||
1950 | 37.55 | k | 38.50 | 40.67 | a | 47.05 | a | 53.15 | 62.50 | 69.58 | 66.31 | 59.07 | 57.52 | 45.28 | 38.98 | 52.60 | a | |||||||||
1951 | 35.57 | q | 37.67 | a | 39.31 | 46.17 | 54.40 | a | 60.53 | 71.65 | 68.27 | 61.77 | 50.27 | 37.95 | 29.04 | g | 52.80 | b | ||||||||
1952 | 36.71 | x | ----- | z | ----- | z | 45.97 | 54.72 | m | 62.13 | 67.53 | 67.77 | 63.07 | 53.68 | 33.62 | 28.78 | b | 52.82 | d | |||||||
1953 | ----- | z | 33.36 | c | 38.62 | b | 47.10 | a | 50.45 | b | 62.36 | e | 71.15 | e | ----- | z | 62.32 | 50.95 | 41.58 | d | ----- | z | 50.88 | c | ||
1954 | ----- | z | ----- | z | ----- | z | 50.94 | l | 56.06 | 65.76 | k | 71.11 | 66.53 | 65.41 | g | 53.58 | 41.43 | 32.67 | a | 53.57 | f | |||||
1955 | 25.42 | g | 29.34 | c | 40.78 | b | 44.19 | a | 52.38 | b | 60.73 | 66.45 | 66.18 | 62.18 | 53.84 | 39.44 | e | 39.21 | b | 50.43 | a | |||||
1956 | 37.48 | 28.76 | 39.02 | g | 43.03 | k | 53.68 | 66.14 | h | 68.48 | a | 65.95 | 65.83 | d | 48.58 | g | 32.40 | i | 30.58 | 50.11 | e | |||||
1957 | 35.40 | 41.98 | 40.71 | 43.70 | 51.83 | j | 64.59 | g | 69.53 | k | 66.54 | f | 62.14 | h | 50.67 | j | 34.73 | q | 35.35 | n | 40.45 | h | ||||
1958 | 30.36 | f | 38.12 | 35.50 | 45.35 | c | 57.02 | b | 65.72 | a | 69.89 | 70.37 | 61.45 | 51.33 | b | 37.82 | e | 35.62 | b | 51.65 | a | |||||
1959 | 33.69 | d | 31.92 | j | 39.78 | d | 49.00 | b | 51.81 | d | 65.57 | 70.97 | 66.66 | b | 61.77 | 48.62 | j | 37.20 | c | 33.48 | c | 50.99 | b | |||
1960 | 24.52 | 30.44 | e | 43.90 | a | 47.32 | b | 52.68 | a | 64.17 | 70.18 | c | 69.11 | 62.53 | a | 48.20 | a | 41.10 | e | 26.52 | c | 48.39 | ||||
1961 | 30.11 | 35.32 | 38.72 | b | 45.72 | c | 52.79 | 66.46 | b | 69.63 | e | 65.80 | i | 58.74 | a | 48.97 | 38.17 | j | ----- | z | 49.61 | c | ||||
1962 | 26.55 | 34.48 | c | 33.94 | 49.00 | 51.27 | 60.15 | 68.71 | 68.18 | 61.83 | 49.95 | 42.50 | 37.58 | k | 49.69 | a | ||||||||||
1963 | 27.39 | 39.27 | 39.15 | 44.65 | 56.02 | 61.15 | 71.42 | 66.15 | 63.20 | 54.24 | 41.20 | 31.21 | 49.59 | |||||||||||||
1964 | 27.19 | 28.45 | a | 35.44 | 43.32 | 53.15 | a | 60.00 | 69.75 | a | 66.21 | 59.77 | 53.34 | 34.64 | a | 32.95 | 47.02 | |||||||||
1965 | 32.94 | 28.38 | 35.48 | 43.75 | 48.90 | 55.25 | 66.35 | 65.16 | b | 56.07 | a | 48.45 | 42.53 | 33.55 | 46.40 | |||||||||||
1966 | 27.16 | 29.48 | a | 40.14 | b | 47.68 | 55.63 | 61.48 | 70.48 | 68.21 | b | 61.20 | 49.52 | 41.87 | 28.79 | 48.47 | ||||||||||
1967 | 28.05 | 36.27 | 43.57 | a | 44.25 | b | 51.26 | 60.00 | 69.19 | 66.08 | a | 60.93 | 50.98 | b | 43.58 | 26.87 | e | 48.42 | ||||||||
1968 | 24.39 | 37.69 | 39.82 | 43.45 | 51.44 | 60.84 | a | 67.08 | 61.98 | b | 59.97 | 51.08 | 39.37 | 28.40 | 47.13 | |||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 29.15 | 34.46 | 39.20 | 46.05 | 53.64 | 62.55 | 69.38 | 67.19 | 61.66 | 51.06 | 39.54 | 31.78 | 48.55 | |||||||||||||
S.D. | 4.43 | 4.20 | 2.96 | 2.26 | 2.58 | 2.59 | 1.65 | 1.78 | 1.96 | 2.17 | 2.98 | 4.40 | 1.07 | |||||||||||||
SKEW | -0.27 | -0.35 | 0.16 | 0.09 | -0.29 | -0.24 | 0.09 | -0.20 | -0.29 | 0.27 | -0.18 | -0.45 | 0.32 | |||||||||||||
MAX | 37.48 | 41.98 | 46.23 | 50.29 | 59.97 | 68.33 | 72.58 | 70.94 | 66.55 | 57.52 | 45.28 | 39.21 | 51.03 | |||||||||||||
MIN | 19.03 | 26.00 | 32.61 | 41.58 | 47.48 | 55.25 | 66.34 | 61.98 | 56.07 | 46.55 | 33.12 | 19.69 | 46.40 | |||||||||||||
YRS | 41 | 45 | 46 | 47 | 46 | 46 | 48 | 47 | 48 | 45 | 47 | 45 | 27 |