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 | 54.33 | j | 56.90 | 64.26 | 57.25 | k | 58.53 | 49.22 | v | ----- | z | ----- | z | 59.90 | i | |||
1911 | ----- | z | ----- | z | ----- | z | ----- | z | 45.19 | 57.00 | 61.23 | 60.77 | 59.03 | 41.93 | b | 32.00 | d | 22.36 | c | 47.44 | d | |||||
1912 | 28.77 | 23.64 | a | 33.13 | a | ----- | z | 47.37 | a | 54.13 | 62.90 | 62.58 | 52.17 | a | 36.35 | 29.07 | 20.87 | 41.00 | a | |||||||
1913 | 22.07 | b | 25.19 | a | 33.17 | a | 38.37 | 48.71 | 54.20 | 63.77 | 63.97 | 58.38 | a | 42.03 | a | 36.43 | 21.48 | 42.31 | ||||||||
1914 | 32.90 | 27.43 | 32.17 | b | 40.29 | b | 51.00 | 59.30 | 61.43 | a | 60.33 | a | 57.53 | 42.17 | b | 34.55 | a | 24.55 | b | 43.64 | ||||||
1915 | 24.29 | c | 28.89 | 30.00 | 41.67 | 49.39 | 59.83 | 65.31 | b | 61.40 | a | 57.10 | 44.97 | 35.70 | 27.47 | a | 43.83 | |||||||||
1916 | 27.40 | a | 30.48 | 38.10 | a | 38.93 | b | 49.90 | 64.23 | 66.19 | 65.23 | 57.13 | 46.39 | 28.97 | a | 22.55 | 44.63 | |||||||||
1917 | 25.72 | b | 29.65 | b | 30.13 | a | 33.23 | 41.19 | 51.00 | 67.13 | 62.16 | 55.17 | a | 40.81 | 33.73 | 29.62 | b | 41.63 | ||||||||
1918 | 21.66 | b | 27.59 | a | 37.42 | 38.33 | 47.68 | 60.57 | 63.48 | 62.61 | 52.76 | a | 46.63 | a | 31.24 | a | 24.47 | a | 42.87 | |||||||
1919 | 23.81 | 27.64 | 31.42 | 42.70 | 49.77 | 55.70 | 63.45 | b | 57.26 | 53.87 | 44.65 | 33.00 | a | 30.13 | 42.78 | |||||||||||
1920 | 28.50 | a | 32.43 | a | 31.32 | 34.77 | 46.55 | 53.57 | 57.06 | 54.61 | 51.53 | 41.53 | a | 33.14 | a | 27.61 | 41.05 | |||||||||
1921 | 29.07 | a | 29.04 | a | 34.17 | a | 35.03 | 46.81 | 52.07 | a | 57.77 | 56.68 | 52.83 | 44.03 | 36.80 | 32.70 | a | 42.25 | ||||||||
1922 | 22.17 | b | 27.22 | a | 29.65 | 37.53 | 46.87 | 56.83 | a | 62.81 | 67.23 | 52.60 | 39.23 | 30.57 | w | ----- | z | 44.21 | b | |||||||
1923 | 30.50 | o | 25.11 | a | 27.97 | 40.07 | 47.13 | 55.87 | 60.94 | 59.71 | 50.53 | 39.71 | 30.83 | a | 23.87 | a | 41.97 | a | ||||||||
1924 | 21.19 | 25.31 | 24.97 | 35.77 | 44.90 | 56.73 | 60.23 | 58.77 | 48.23 | 39.42 | 32.00 | 20.39 | 38.99 | |||||||||||||
1925 | 20.32 | 27.89 | 29.87 | 39.23 | 50.45 | 57.30 | 62.58 | 58.16 | 53.20 | 40.94 | 30.80 | 23.45 | 41.18 | |||||||||||||
1926 | 23.03 | 29.07 | 29.68 | 37.33 | 46.29 | 55.40 | 57.52 | 57.81 | 54.27 | 43.87 | 33.23 | 24.83 | a | 41.03 | ||||||||||||
1927 | 25.55 | 30.64 | 28.48 | 36.93 | 48.00 | 52.83 | 61.00 | 57.19 | 52.27 | 37.58 | 35.43 | 17.71 | 40.30 | |||||||||||||
1928 | 24.00 | 23.24 | 30.10 | 34.70 | 47.74 | 54.70 | 59.27 | a | 57.52 | 47.93 | 43.13 | 30.27 | 23.80 | u | 41.14 | a | ||||||||||
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 24.37 | l | ----- | z |
1930 | 16.52 | b | 31.21 | 26.61 | 40.27 | 43.00 | 55.23 | 59.26 | 59.37 | a | 50.50 | 42.63 | a | 28.07 | 19.29 | 39.33 | ||||||||||
1931 | 20.81 | 28.89 | 26.97 | 39.37 | 45.06 | 57.37 | 59.68 | 56.77 | 54.77 | 43.03 | 30.10 | 24.81 | 40.64 | |||||||||||||
1932 | 19.35 | 30.72 | 27.84 | 38.73 | 45.84 | 53.33 | 57.77 | 58.55 | 48.70 | 37.89 | d | 27.60 | e | 16.78 | d | 38.59 | ||||||||||
1933 | 21.85 | e | 19.04 | e | 32.70 | d | 32.76 | e | 43.96 | d | 55.69 | d | 59.48 | d | 56.19 | d | 54.04 | d | 44.12 | e | 32.31 | d | 31.30 | d | 40.29 | |
1934 | 17.39 | 21.89 | 28.81 | 36.17 | 47.97 | 56.30 | 62.90 | 60.29 | 46.90 | 42.42 | 30.83 | 24.06 | 39.66 | |||||||||||||
1935 | 26.65 | 24.96 | a | 29.84 | f | 34.00 | a | 43.97 | a | 59.43 | 59.45 | 61.03 | 49.36 | e | 41.07 | d | 29.85 | d | 23.77 | e | 41.23 | a | ||||
1936 | 20.96 | d | 24.64 | d | 29.73 | e | 37.96 | d | 49.15 | e | 56.88 | d | 59.68 | c | 57.58 | e | 49.25 | b | 39.00 | c | 27.00 | o | 24.19 | d | 40.82 | a |
1937 | 15.73 | e | 21.72 | c | 33.19 | d | 40.78 | c | 52.07 | a | 57.76 | a | 61.00 | b | 63.38 | b | 53.77 | d | 42.81 | e | ----- | z | ----- | z | 44.22 | b |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | 45.94 | m | 55.69 | d | 59.15 | e | 57.00 | d | 52.42 | d | 39.08 | e | 27.04 | d | 24.70 | d | 45.01 | e |
1939 | 23.54 | e | 17.79 | d | 28.62 | g | 35.40 | e | 44.85 | d | 52.42 | d | 57.00 | e | 54.89 | d | 51.31 | d | 36.50 | e | 23.88 | m | 24.77 | e | 39.85 | b |
1940 | 18.93 | d | 21.71 | e | 29.19 | e | 34.27 | d | 46.11 | d | 51.44 | e | 57.96 | d | 56.48 | d | 51.96 | f | 38.89 | d | 26.20 | e | 27.42 | e | 37.15 | a |
1941 | 23.78 | d | 25.50 | d | 28.85 | e | 33.35 | d | 46.81 | d | 52.79 | f | 58.97 | 59.77 | 53.33 | 42.13 | 30.90 | 25.80 | a | 39.02 | a | |||||
1942 | 20.65 | 19.29 | 25.07 | a | 35.53 | 40.29 | 52.23 | 58.07 | c | 58.90 | a | ----- | z | 38.39 | h | 27.63 | 24.06 | 36.17 | b | |||||||
1943 | 18.32 | 23.18 | 24.07 | b | 39.63 | 44.60 | a | 54.83 | 60.35 | 60.09 | i | 49.67 | 37.97 | 24.83 | 22.00 | a | 36.31 | a | ||||||||
1944 | 22.32 | 25.97 | 28.03 | 36.04 | b | 43.97 | 55.24 | a | 59.06 | 60.19 | 51.57 | 44.23 | 31.60 | 20.87 | 39.92 | |||||||||||
1945 | 24.35 | 28.15 | b | 25.55 | 30.48 | a | 44.77 | 50.67 | 57.10 | 58.90 | a | 49.77 | 39.42 | 25.17 | 20.71 | 37.92 | ||||||||||
1946 | 20.65 | 23.39 | 29.81 | 42.00 | a | 45.55 | 55.80 | 59.87 | 60.13 | 54.40 | 40.65 | 29.40 | 27.63 | a | 40.77 | |||||||||||
1947 | 22.07 | d | 23.25 | 27.52 | b | 35.21 | a | 47.19 | 53.77 | 59.45 | 59.16 | 51.60 | 47.17 | a | 25.48 | e | 20.90 | 39.40 | ||||||||
1948 | 19.17 | b | 23.72 | 24.63 | a | 40.50 | 47.68 | 56.37 | 58.94 | 58.37 | a | 50.14 | a | 38.71 | 28.61 | b | 29.42 | e | 39.69 | |||||||
1949 | 19.88 | g | 35.77 | o | ----- | z | 38.72 | a | 49.53 | a | 54.61 | b | 64.21 | c | 54.36 | c | 51.93 | b | 36.70 | a | 31.69 | d | 23.92 | f | 47.72 | d |
1950 | 25.10 | b | 28.30 | a | 28.29 | c | 36.97 | 42.33 | d | 53.73 | h | 59.24 | f | 57.17 | h | 54.00 | h | 58.54 | g | ----- | z | ----- | z | 32.20 | g | |
1951 | ----- | z | 25.75 | l | 28.47 | a | 34.27 | h | 48.10 | b | 54.29 | b | 61.52 | b | 58.38 | b | 49.07 | a | 41.57 | a | 30.20 | e | 27.87 | a | 44.38 | c |
1952 | 28.83 | a | 26.80 | d | 27.32 | c | 38.14 | b | 47.93 | c | 59.08 | d | 59.70 | a | 62.16 | 50.96 | c | ----- | z | ----- | z | ----- | z | 44.55 | c | |
1953 | 34.07 | p | ----- | z | ----- | z | 38.46 | q | 42.35 | 57.63 | 60.97 | 59.00 | 46.10 | 37.90 | 30.10 | a | 20.23 | a | 44.29 | d | ||||||
1954 | 24.93 | a | 29.00 | 25.81 | 40.79 | a | 45.32 | 51.20 | ----- | z | 56.71 | x | 56.03 | 42.52 | ----- | z | 25.45 | 37.90 | c | |||||||
1955 | 21.94 | 20.04 | a | 30.55 | 36.52 | a | 46.10 | 54.00 | 58.90 | u | 59.97 | 51.90 | a | 40.84 | 27.56 | l | 25.04 | g | 40.20 | c | ||||||
1956 | 24.83 | g | ----- | z | ----- | z | 36.78 | l | 48.68 | 62.89 | l | 61.81 | 57.93 | a | 50.62 | f | 41.38 | e | ----- | z | ----- | z | 52.45 | h | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 23.01 | 25.89 | 29.49 | 37.40 | 46.55 | 55.57 | 60.74 | 59.35 | 52.44 | 41.29 | 30.69 | 24.33 | 40.99 | |||||||||||||
S.D. | 3.76 | 3.66 | 3.22 | 2.85 | 2.60 | 2.80 | 2.53 | 2.77 | 3.18 | 2.77 | 3.08 | 3.70 | 1.77 | |||||||||||||
SKEW | 0.38 | -0.35 | 0.67 | -0.22 | -0.25 | 0.56 | 0.59 | 0.61 | 0.26 | 0.13 | 0.04 | 0.21 | 0.35 | |||||||||||||
MAX | 32.90 | 32.43 | 38.10 | 42.70 | 52.07 | 64.23 | 67.13 | 67.23 | 59.03 | 47.17 | 36.80 | 32.70 | 44.63 | |||||||||||||
MIN | 15.73 | 17.79 | 24.07 | 30.48 | 40.29 | 50.67 | 57.00 | 54.36 | 46.10 | 36.35 | 24.83 | 16.78 | 37.92 | |||||||||||||
YRS | 38 | 39 | 38 | 39 | 44 | 43 | 43 | 42 | 42 | 42 | 36 | 37 | 23 |