YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1907 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.00 | s | 36.17 | p | ----- | z |
1908 | ----- | z | 33.61 | j | 44.76 | f | 49.10 | e | 54.78 | d | 65.08 | 66.63 | a | 66.35 | a | 60.57 | c | 47.56 | d | 36.67 | d | 34.70 | k | 55.84 | d | |
1909 | 40.18 | l | 34.70 | f | 37.59 | c | 45.60 | 51.95 | 64.21 | a | 69.52 | c | 67.79 | e | 59.28 | c | 51.12 | o | 46.95 | j | 21.64 | c | 52.20 | d | ||
1910 | 32.97 | a | 30.54 | d | 47.27 | a | 49.50 | b | 56.88 | a | 66.50 | a | 70.79 | 68.08 | a | 64.62 | 51.73 | 44.24 | a | 34.29 | c | 51.45 | ||||
1911 | 38.50 | 29.94 | b | 43.73 | a | 50.79 | b | 59.77 | a | 68.33 | 67.35 | a | 66.92 | 65.47 | 49.03 | a | 36.78 | a | 21.37 | 49.83 | ||||||
1912 | 30.80 | a | 30.12 | a | 36.39 | 45.20 | c | 55.32 | 60.33 | 67.50 | 66.81 | 58.16 | b | 48.53 | b | 39.60 | 27.74 | 47.21 | ||||||||
1913 | 27.35 | 29.41 | 37.82 | 47.65 | 58.83 | a | 62.33 | a | 68.40 | 67.84 | 56.00 | 46.81 | 43.82 | 22.53 | 47.40 | |||||||||||
1914 | 37.32 | 34.18 | 39.97 | 47.17 | a | 55.87 | 64.14 | a | 66.10 | 65.79 | 63.20 | 49.94 | 42.48 | 27.75 | a | 49.49 | ||||||||||
1915 | 27.79 | 34.52 | 35.77 | a | 48.43 | ----- | z | 64.23 | q | 67.08 | g | 63.73 | ----- | z | ----- | z | ----- | z | 35.26 | 40.92 | f | |||||
1916 | 31.69 | b | 39.12 | 46.89 | c | 46.05 | 57.65 | a | 65.38 | 68.87 | 66.79 | 60.77 | b | 51.11 | 38.65 | 31.10 | 50.34 | |||||||||
1917 | 32.50 | d | 34.75 | 36.68 | a | 46.14 | b | 49.77 | 64.70 | b | 69.98 | 66.93 | d | 62.43 | 51.11 | i | 45.52 | i | 39.40 | b | 50.33 | b | ||||
1918 | 24.33 | a | 36.27 | b | 39.21 | q | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 59.72 | 53.33 | a | 37.47 | a | 32.21 | c | 40.56 | f | |
1919 | 26.56 | 30.29 | b | 36.29 | c | 48.34 | a | 56.05 | 61.33 | a | 68.95 | b | 68.98 | 62.15 | c | 50.65 | a | 37.97 | 37.82 | a | 48.78 | |||||
1920 | 38.15 | e | 36.60 | 40.08 | a | 44.57 | a | 57.39 | ----- | z | ----- | z | 63.57 | d | 59.17 | 49.73 | 38.03 | a | 31.11 | 45.84 | b | |||||
1921 | 35.84 | b | 34.74 | a | 43.41 | b | 44.34 | a | 55.70 | d | 61.55 | b | 65.87 | a | 66.24 | b | ----- | z | 52.10 | a | 43.20 | b | 39.67 | a | 49.33 | a |
1922 | 27.10 | 35.95 | 38.87 | d | 47.45 | a | 54.57 | c | 65.22 | 69.50 | a | 69.29 | e | 61.74 | c | 50.84 | c | 40.13 | d | 37.23 | e | 49.82 | ||||
1923 | 36.95 | 32.84 | c | 36.97 | b | 49.50 | a | 56.89 | c | 66.10 | d | 68.55 | c | 65.48 | e | 58.40 | a | 47.80 | a | 39.00 | c | 27.30 | a | 48.81 | ||
1924 | 26.81 | e | 36.02 | a | 31.77 | a | 46.19 | c | 53.71 | c | 66.07 | 66.37 | 65.69 | b | 59.47 | 53.23 | a | 42.26 | a | 26.57 | a | 47.85 | ||||
1925 | 26.20 | a | 39.54 | n | 45.05 | c | 52.83 | 59.65 | 67.88 | a | 70.28 | a | 65.90 | 61.30 | 50.39 | c | 38.25 | b | 30.92 | 51.70 | a | |||||
1926 | 27.63 | 39.66 | 37.47 | 47.57 | 54.79 | 64.16 | a | 66.23 | 66.50 | 62.02 | f | 54.34 | 44.13 | 32.06 | 48.59 | a | ||||||||||
1927 | 36.03 | 37.80 | 41.97 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 38.60 | i | |||
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 68.97 | p | 69.69 | 65.72 | ----- | z | 36.07 | a | 29.90 | b | 50.34 | h | ||
1929 | 32.13 | 29.30 | 41.05 | 49.68 | 56.68 | 64.58 | 68.76 | 67.24 | 61.33 | a | 50.52 | a | 33.22 | 35.97 | a | 49.20 | ||||||||||
1930 | ----- | z | 41.00 | b | 36.90 | 53.58 | 54.33 | a | 65.65 | 67.18 | 66.23 | a | 61.42 | 50.53 | 36.93 | 28.67 | a | 51.13 | a | |||||||
1931 | 32.25 | a | 35.61 | 36.57 | a | 47.88 | a | 53.32 | c | 66.20 | 67.90 | 65.27 | 64.25 | 53.00 | a | 38.27 | 34.79 | 49.61 | ||||||||
1932 | 28.28 | a | 40.80 | b | 38.02 | 49.40 | a | 56.95 | 62.47 | 69.52 | 68.95 | 59.98 | 50.47 | 40.80 | 28.15 | a | 49.48 | |||||||||
1933 | 33.15 | 29.04 | 42.34 | 45.11 | b | 57.05 | a | 67.21 | a | 70.13 | 67.24 | 65.33 | a | 53.79 | 42.08 | 40.73 | 51.10 | |||||||||
1934 | 34.19 | 38.64 | 45.03 | a | 51.25 | 61.78 | a | 66.93 | 71.90 | 70.16 | 61.13 | 55.81 | b | 39.18 | 34.23 | 52.52 | ||||||||||
1935 | 38.26 | 36.15 | a | 46.90 | a | 50.10 | 53.03 | 64.48 | 69.79 | 67.60 | 60.15 | 51.56 | 40.38 | 31.44 | 50.82 | |||||||||||
1936 | 32.05 | 36.38 | a | 43.37 | 49.90 | a | 59.78 | a | 67.95 | 69.97 | ----- | z | 60.22 | 50.44 | 39.02 | 33.95 | b | 49.36 | a | |||||||
1937 | 27.05 | 43.11 | e | 38.31 | 46.55 | j | 58.90 | 65.07 | 69.11 | 70.65 | 63.40 | 53.02 | 45.85 | g | 36.33 | a | 52.49 | b | ||||||||
1938 | 32.73 | 34.54 | 44.50 | 50.55 | 55.42 | 65.13 | 68.65 | 70.13 | 61.57 | 52.73 | a | 35.28 | g | 35.34 | b | 51.93 | a | |||||||||
1939 | 30.95 | a | 26.75 | b | 42.60 | 48.86 | a | 58.44 | 67.82 | 70.85 | 67.32 | 65.55 | 51.24 | 39.15 | 35.82 | 50.45 | ||||||||||
1940 | 27.11 | 34.09 | a | 41.92 | ----- | z | 57.77 | 65.32 | 71.26 | 70.23 | a | 64.12 | ----- | z | 37.29 | r | 28.25 | a | 51.12 | c | ||||||
1941 | 29.68 | 37.55 | 38.26 | 46.18 | 58.24 | 62.09 | a | 66.79 | 68.56 | 63.68 | 52.00 | 42.08 | 35.50 | 50.05 | ||||||||||||
1942 | 31.45 | 29.89 | 38.15 | 48.55 | 56.26 | 64.90 | 69.85 | a | 66.89 | 61.32 | 49.19 | 45.13 | 37.58 | 49.93 | ||||||||||||
1943 | 34.71 | 39.25 | 41.29 | 52.38 | 56.19 | 66.55 | 71.95 | 71.73 | 61.18 | 50.42 | 38.73 | 26.89 | 50.94 | |||||||||||||
1944 | 26.89 | 33.55 | 39.26 | 42.98 | a | 54.72 | a | 65.58 | 69.56 | 69.79 | 62.78 | 53.70 | a | 39.80 | 31.87 | a | 49.21 | |||||||||
1945 | 30.71 | b | 38.71 | 43.74 | n | 45.91 | a | 59.32 | 63.55 | 69.81 | 70.08 | 63.24 | c | 53.76 | ----- | z | 32.48 | a | 52.76 | b | ||||||
1946 | 31.88 | a | 38.09 | 43.31 | 54.65 | 55.03 | 69.70 | 71.76 | b | 69.39 | 64.17 | 51.81 | 37.24 | a | 38.60 | 52.13 | ||||||||||
1947 | 32.31 | 33.93 | 38.95 | 47.30 | ----- | z | 65.33 | a | 71.04 | r | 69.10 | a | 65.35 | 55.29 | 34.58 | 28.23 | 47.04 | b | ||||||||
1948 | 27.02 | b | 29.46 | c | 31.02 | a | 53.95 | 57.60 | 64.37 | 68.02 | a | 69.65 | 65.25 | 52.98 | 37.23 | 36.37 | 49.41 | |||||||||
1949 | 25.85 | 35.08 | b | 41.79 | 49.02 | 58.04 | c | 64.42 | 69.85 | 67.87 | 63.88 | 52.40 | 49.07 | 32.62 | a | 50.82 | ||||||||||
1950 | 36.81 | b | 40.04 | a | 41.95 | 52.37 | 57.97 | 67.78 | 68.27 | 66.90 | 61.67 | 61.00 | 43.42 | 38.44 | 53.05 | |||||||||||
1951 | 29.50 | a | 39.72 | a | 39.63 | 47.63 | 57.61 | 65.18 | 72.82 | 71.47 | 64.12 | 54.06 | 37.40 | a | 33.10 | a | 51.02 | |||||||||
1952 | 37.19 | b | 35.66 | a | 37.27 | a | 48.48 | a | 57.95 | 69.90 | a | 69.53 | 70.53 | 62.82 | 55.62 | a | 35.37 | 32.18 | 51.04 | |||||||
1953 | 41.05 | 34.82 | 45.48 | 48.53 | 55.94 | 70.78 | 71.37 | 66.87 | 63.20 | 52.21 | 42.02 | 31.38 | b | 51.97 | ||||||||||||
1954 | 37.81 | 43.27 | 40.52 | a | 55.13 | 57.81 | 69.30 | 72.68 | 68.58 | a | 66.60 | 54.40 | b | 43.72 | a | 34.69 | 53.71 | |||||||||
1955 | 30.81 | 30.54 | a | 44.72 | b | 49.73 | 56.06 | 63.48 | 68.42 | 67.81 | 63.12 | 55.08 | a | 41.93 | 38.48 | a | 50.85 | |||||||||
1956 | 37.68 | 32.70 | a | 43.63 | 48.80 | 62.82 | 71.53 | 70.50 | 68.31 | 66.13 | 55.27 | 36.62 | 34.85 | 52.40 | ||||||||||||
1957 | 33.50 | 44.29 | 42.12 | a | 45.15 | 53.73 | 64.78 | a | 70.27 | 67.11 | 59.80 | 51.55 | 34.62 | b | 38.15 | 50.42 | ||||||||||
1958 | 32.27 | 39.94 | a | 34.82 | 45.31 | a | 57.65 | 65.24 | a | 68.77 | 69.19 | 62.83 | 52.02 | a | 42.53 | 37.14 | c | 50.64 | ||||||||
1959 | 31.39 | 36.19 | a | 40.39 | 46.20 | j | 59.08 | g | 67.15 | 69.18 | 69.44 | 62.47 | 50.98 | a | 39.70 | ----- | z | 51.87 | c | |||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 31.90 | 35.43 | 40.29 | 48.58 | 56.65 | 65.61 | 69.25 | 67.93 | 62.30 | 52.04 | 39.75 | 32.82 | 50.36 | |||||||||||||
S.D. | 4.17 | 4.18 | 3.76 | 2.85 | 2.44 | 2.41 | 1.74 | 1.86 | 2.36 | 2.56 | 3.27 | 4.72 | 1.51 | |||||||||||||
SKEW | 0.20 | 0.01 | -0.19 | 0.42 | -0.14 | 0.29 | -0.04 | -0.11 | -0.27 | 0.69 | 0.40 | -0.57 | 0.02 | |||||||||||||
MAX | 41.05 | 44.29 | 47.27 | 55.13 | 62.82 | 71.53 | 72.82 | 71.73 | 66.60 | 61.00 | 49.07 | 40.73 | 53.71 | |||||||||||||
MIN | 24.33 | 26.75 | 31.02 | 42.98 | 49.77 | 60.33 | 65.87 | 63.57 | 56.00 | 46.81 | 33.22 | 21.37 | 47.21 | |||||||||||||
YRS | 48 | 48 | 48 | 46 | 46 | 47 | 46 | 49 | 48 | 46 | 44 | 49 | 33 |