YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1909 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1910 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1912 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 62.90 | 70.23 | 69.47 | 57.76 | a | 49.10 | 38.53 | 29.06 | 53.86 | e | ||||||
1913 | 25.95 | 30.43 | a | 38.42 | 48.22 | 58.81 | 64.25 | 71.00 | 69.63 | 58.33 | 48.16 | 43.95 | 25.91 | b | 48.59 | |||||||||||
1914 | 37.66 | 34.95 | 41.47 | 49.12 | 57.87 | 66.90 | 69.37 | 67.52 | 63.35 | 50.34 | 41.72 | 26.63 | 50.57 | |||||||||||||
1915 | 27.37 | 33.89 | 36.08 | 49.55 | 54.63 | 66.15 | 69.44 | 66.65 | 60.77 | 48.71 | 40.92 | 34.47 | 49.05 | |||||||||||||
1916 | 34.82 | 40.62 | c | 47.79 | b | 48.60 | 58.35 | 69.47 | 71.69 | 68.71 | 62.30 | 50.83 | a | 39.03 | 29.94 | 51.85 | ||||||||||
1917 | 30.82 | 35.16 | 36.81 | 46.67 | 51.37 | d | 66.65 | 72.00 | 70.16 | 62.20 | 54.00 | 47.42 | 40.29 | 51.13 | ||||||||||||
1918 | 27.27 | a | 39.72 | c | 44.24 | 47.63 | 59.27 | 69.24 | a | 75.19 | 68.56 | 61.73 | 52.27 | 35.22 | 29.60 | 50.83 | ||||||||||
1919 | 26.82 | 31.70 | 38.81 | 50.33 | 57.77 | 64.07 | a | 71.48 | a | 69.37 | 64.07 | a | 50.61 | 38.83 | 37.07 | a | 50.08 | |||||||||
1920 | 37.00 | 37.17 | 40.52 | 44.32 | 57.56 | 65.22 | 70.16 | 64.68 | 60.67 | 50.79 | 39.60 | 33.60 | 50.11 | |||||||||||||
1921 | 37.52 | 36.50 | 45.03 | 46.52 | 57.48 | 62.67 | a | 67.16 | b | 66.87 | 64.43 | 54.80 | a | 45.03 | 40.65 | 52.05 | ||||||||||
1922 | 28.87 | a | 35.34 | 40.24 | j | 50.17 | 56.58 | 64.50 | 68.33 | a | 68.40 | a | 61.42 | 50.55 | a | 36.83 | 35.56 | 50.60 | a | |||||||
1923 | 36.35 | 32.98 | a | 40.43 | a | 50.07 | 57.16 | 65.88 | a | 68.82 | 65.98 | 57.86 | a | 46.50 | 39.97 | 32.55 | b | 49.55 | ||||||||
1924 | 27.68 | 36.59 | 33.21 | 48.17 | 54.90 | 67.78 | a | 67.03 | 67.27 | a | 60.62 | 52.48 | 43.03 | 25.79 | b | 48.71 | ||||||||||
1925 | 25.29 | b | 36.18 | 42.98 | b | 53.00 | 58.95 | 64.85 | 68.40 | 62.95 | 58.63 | 46.65 | a | 36.75 | 28.63 | 48.61 | ||||||||||
1926 | 25.32 | a | 38.46 | 37.63 | 47.03 | a | 53.89 | 63.53 | a | 65.34 | 66.19 | 62.17 | 52.56 | 40.70 | 32.77 | 48.80 | ||||||||||
1927 | 38.65 | 40.57 | 41.53 | 50.83 | 60.93 | a | 63.80 | 67.50 | 64.77 | 60.23 | 52.84 | 46.37 | 29.75 | a | 51.48 | |||||||||||
1928 | 36.02 | 33.79 | 43.48 | 46.33 | 56.52 | 64.92 | 68.21 | 66.29 | 60.97 | 52.63 | a | 35.93 | 29.62 | b | 49.56 | |||||||||||
1929 | 30.57 | a | 28.20 | 40.55 | c | 48.46 | d | 54.79 | b | 65.44 | e | 67.88 | e | 66.09 | d | 60.52 | d | 49.69 | d | 34.27 | d | 35.37 | d | 48.49 | ||
1930 | 23.71 | b | 41.38 | c | 34.73 | e | 51.48 | e | 53.10 | e | 63.72 | e | 66.60 | e | 66.77 | e | 60.72 | e | 48.91 | i | 37.40 | f | 27.81 | e | 49.00 | b |
1931 | 30.81 | e | 35.71 | d | 36.73 | g | 47.60 | d | 52.73 | e | 64.19 | d | 67.13 | d | 65.42 | e | 62.24 | e | 51.56 | d | 37.02 | f | 32.75 | e | 51.01 | b |
1932 | 26.92 | e | 38.96 | e | 35.81 | e | 48.90 | d | 55.68 | f | 61.23 | d | 68.58 | e | 67.81 | d | 60.60 | e | 48.88 | e | 39.02 | d | 26.04 | e | 47.52 | a |
1933 | 32.02 | f | 24.91 | f | 41.67 | e | 43.66 | e | 53.77 | e | 64.85 | d | 69.04 | f | 66.56 | 63.62 | 52.13 | a | 42.92 | 41.82 | a | 52.33 | c | |||
1934 | 33.65 | e | 39.68 | c | 44.17 | a | 49.29 | a | 59.31 | 64.42 | 70.92 | a | 68.92 | a | 59.72 | 55.76 | 42.88 | 35.32 | 52.00 | |||||||
1935 | 39.02 | 39.70 | 44.85 | 51.48 | 53.87 | a | 66.54 | c | 69.35 | 63.05 | 56.18 | b | 46.19 | 39.08 | 28.32 | 49.80 | ||||||||||
1936 | 26.83 | b | 31.93 | 38.42 | 48.66 | a | 60.46 | d | 63.67 | o | 66.25 | u | 64.02 | a | 56.60 | 45.40 | 33.73 | 30.45 | a | 43.65 | b | |||||
1937 | 19.81 | 31.54 | 37.00 | 50.35 | 59.66 | 66.34 | a | 73.71 | 72.94 | 64.02 | a | 55.74 | 46.65 | q | ----- | z | 53.11 | b | ||||||||
1938 | ----- | z | ----- | z | ----- | z | ----- | z | 61.40 | g | 69.10 | e | 72.64 | f | 79.42 | k | 68.26 | m | 54.19 | d | 38.30 | b | 35.30 | a | 49.22 | h |
1939 | 33.50 | c | 28.68 | 45.67 | a | 51.53 | 59.50 | 67.74 | a | 71.40 | b | 68.53 | 66.69 | c | 52.98 | e | 43.31 | d | 39.92 | f | 53.59 | a | ||||
1940 | 31.33 | e | 35.46 | d | 44.74 | f | 51.73 | d | 59.58 | e | 68.23 | h | 72.98 | e | 69.20 | d | 63.87 | g | 57.17 | d | 39.04 | d | 33.20 | f | 52.06 | d |
1941 | 33.83 | d | 39.00 | d | 39.98 | e | 47.92 | e | 59.09 | d | 63.74 | e | 67.89 | d | 68.54 | f | 63.42 | d | 53.02 | b | 44.48 | f | 35.85 | d | 50.37 | b |
1942 | 34.96 | d | 32.88 | d | 41.10 | f | 50.90 | e | 58.41 | c | 66.98 | d | 70.43 | d | 69.22 | d | 63.30 | e | 52.95 | c | 45.75 | f | 40.31 | e | 54.03 | b |
1943 | 36.34 | f | 42.48 | c | 42.94 | d | 55.15 | d | 59.20 | f | 67.33 | f | 72.15 | e | 72.52 | e | 63.92 | d | 52.69 | e | 43.13 | d | 31.67 | d | 52.96 | c |
1944 | 29.73 | a | 35.38 | 41.45 | a | 47.45 | a | 58.26 | 65.81 | a | 70.24 | 70.37 | 64.29 | a | 48.39 | 41.80 | 35.15 | 50.69 | ||||||||
1945 | 32.77 | a | 40.48 | a | 42.89 | 46.37 | 59.61 | 65.18 | 69.80 | c | 70.63 | 64.09 | a | 54.53 | 41.79 | a | 32.46 | c | 51.72 | |||||||
1946 | 31.74 | 38.34 | 44.15 | 55.87 | 55.74 | 70.27 | 72.17 | e | 69.07 | c | 65.35 | d | 53.07 | d | 40.83 | d | 39.50 | e | 53.01 | |||||||
1947 | 32.42 | e | 37.27 | d | 41.88 | e | 49.46 | d | 59.70 | d | 66.20 | e | 69.33 | d | 68.98 | f | 65.81 | d | 56.31 | d | 35.67 | f | 30.69 | e | 50.91 | b |
1948 | 27.27 | k | 31.52 | e | 33.60 | e | 52.75 | d | 59.29 | e | 66.00 | d | 70.87 | d | 69.90 | e | 65.10 | d | 53.81 | j | 38.08 | e | 36.92 | e | 52.40 | b |
1949 | 27.54 | f | 35.88 | d | 44.28 | d | 50.26 | g | 59.48 | f | 65.21 | d | 69.82 | f | 66.71 | b | 63.69 | i | 52.77 | k | 48.80 | j | 32.40 | j | 53.02 | h |
1950 | 37.09 | o | 40.23 | h | 42.85 | h | 52.00 | j | 57.79 | j | 67.89 | h | 66.33 | k | 65.22 | h | 62.30 | j | 60.25 | i | 47.29 | w | 37.15 | k | ----- | z |
1951 | 30.50 | k | 33.69 | j | 40.55 | l | 47.29 | k | 54.78 | o | 64.74 | k | 72.14 | m | 70.24 | j | 61.71 | i | 51.17 | h | 36.75 | l | 31.17 | m | ----- | z |
1952 | ----- | z | ----- | z | 34.02 | j | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 31.09 | 35.96 | 40.70 | 49.30 | 57.24 | 65.59 | 69.79 | 67.75 | 61.82 | 51.56 | 40.26 | 32.87 | 50.32 | |||||||||||||
S.D. | 4.82 | 3.67 | 3.71 | 2.66 | 2.54 | 2.02 | 2.19 | 2.38 | 2.63 | 2.99 | 3.36 | 4.56 | 1.36 | |||||||||||||
SKEW | -0.19 | -0.26 | -0.33 | 0.32 | -0.65 | 0.41 | 0.27 | -0.03 | -0.32 | -0.26 | 0.05 | 0.25 | 0.22 | |||||||||||||
MAX | 39.02 | 42.48 | 47.79 | 55.87 | 60.93 | 70.27 | 75.19 | 72.94 | 66.69 | 57.17 | 47.42 | 41.82 | 53.01 | |||||||||||||
MIN | 19.81 | 28.20 | 33.21 | 43.66 | 51.37 | 61.23 | 65.34 | 62.95 | 56.18 | 45.40 | 33.73 | 25.79 | 48.49 | |||||||||||||
YRS | 32 | 35 | 32 | 35 | 33 | 35 | 34 | 35 | 35 | 35 | 31 | 34 | 21 |