YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1911 | 31.68 | 30.11 | 44.60 | 48.12 | 54.37 | a | 65.90 | a | 72.55 | 68.11 | 59.32 | 48.47 | 36.98 | 29.82 | 49.17 | |||||||||||
1912 | 26.24 | 36.59 | 40.40 | 49.17 | 56.35 | 66.47 | 67.87 | 67.44 | 57.05 | 47.95 | a | 42.25 | 30.37 | 49.01 | ||||||||||||
1913 | 26.58 | 31.02 | 38.39 | 50.33 | 59.19 | 65.50 | 69.84 | 72.05 | 61.88 | 47.45 | 42.40 | 26.81 | 49.29 | |||||||||||||
1914 | 36.21 | 35.59 | 45.18 | 51.19 | a | 60.65 | 62.34 | a | 73.60 | 70.39 | 59.45 | 53.30 | a | 38.58 | 20.65 | 50.59 | ||||||||||
1915 | 23.33 | j | 39.08 | i | 46.10 | 54.68 | 54.55 | 60.12 | 68.15 | 74.65 | 58.27 | 52.10 | 38.00 | 31.87 | 53.85 | b | ||||||||||
1916 | 24.18 | 36.48 | 45.05 | 50.55 | 51.92 | 59.68 | 67.98 | a | 67.45 | c | 59.20 | 46.35 | 34.03 | 26.71 | 47.47 | |||||||||||
1917 | 21.58 | 29.62 | 32.21 | 46.07 | 54.37 | 61.22 | 74.81 | 71.90 | 63.98 | 50.42 | 41.55 | 41.05 | 49.07 | |||||||||||||
1918 | 33.21 | 34.75 | 44.74 | 47.58 | 54.19 | 71.88 | 72.73 | 66.79 | 64.27 | 52.68 | 38.42 | 27.34 | 50.71 | |||||||||||||
1919 | 30.50 | 35.30 | 42.44 | 51.13 | 58.71 | 65.55 | 74.26 | 72.92 | 61.17 | 43.69 | 36.13 | 21.65 | 49.45 | |||||||||||||
1920 | 27.98 | 35.02 | 41.36 | b | 45.98 | 53.85 | e | 64.26 | i | 75.85 | a | 71.44 | 61.52 | a | 48.07 | a | 40.07 | 33.58 | a | 48.61 | a | |||||
1921 | 32.93 | a | 34.36 | 44.82 | 46.85 | 56.79 | 67.70 | 72.75 | c | 72.60 | 55.52 | c | 52.22 | a | 42.57 | 31.24 | 50.86 | |||||||||
1922 | 18.57 | a | 30.98 | 39.05 | 44.67 | 55.65 | 68.16 | b | 72.76 | 73.97 | 63.92 | 55.18 | 36.22 | 28.52 | 48.97 | |||||||||||
1923 | 34.53 | 29.62 | 40.07 | a | 49.55 | 56.24 | 62.20 | 73.95 | 71.68 | 63.58 | 49.92 | 40.67 | 30.89 | 50.24 | ||||||||||||
1924 | 20.73 | c | 40.66 | 38.84 | 48.92 | 62.58 | 66.32 | 73.10 | 70.35 | 64.58 | e | 52.94 | 39.93 | 20.42 | 49.95 | |||||||||||
1925 | 30.48 | 41.61 | 45.18 | 53.66 | a | 60.87 | a | 66.25 | 76.82 | 70.00 | 61.00 | 48.85 | 39.42 | 34.66 | 52.40 | |||||||||||
1926 | 30.24 | 40.59 | 45.18 | 55.65 | 58.45 | 69.05 | 77.26 | 71.84 | 56.90 | 53.76 | 44.00 | 28.57 | a | 52.62 | ||||||||||||
1927 | 30.11 | 38.77 | 41.89 | 47.28 | 53.69 | 64.25 | 71.11 | 67.32 | 58.10 | 51.08 | 44.30 | 27.24 | 49.60 | |||||||||||||
1928 | 29.02 | a | 33.31 | 46.27 | 49.10 | a | 64.85 | a | 64.83 | 73.18 | 68.79 | 62.67 | 52.27 | 41.77 | 26.42 | 51.04 | ||||||||||
1929 | 24.53 | 24.61 | 44.24 | 47.62 | 57.76 | 63.90 | 73.27 | 74.31 | 57.50 | 52.32 | 35.95 | 36.72 | a | 49.39 | ||||||||||||
1930 | 19.05 | b | 39.88 | 46.19 | 57.13 | 59.24 | 66.02 | 76.19 | 74.98 | 63.30 | 49.34 | 35.19 | a | 25.35 | 50.99 | |||||||||||
1931 | 31.27 | 38.00 | 45.34 | 51.72 | 61.79 | 68.72 | 75.56 | 71.90 | 62.33 | 52.37 | 35.63 | 27.45 | 51.84 | |||||||||||||
1932 | 27.71 | ----- | z | 36.07 | q | 51.77 | b | 58.55 | 66.45 | ----- | z | 68.15 | n | 62.83 | a | 50.38 | a | 40.83 | 24.06 | 47.82 | d | |||||
1933 | 30.24 | 22.44 | a | 40.92 | 48.50 | 54.13 | 67.85 | 72.55 | 68.27 | 58.22 | 54.42 | 40.52 | 39.27 | g | 50.73 | a | ||||||||||
1934 | 38.55 | 43.07 | 49.90 | 56.48 | 64.05 | 64.72 | 80.94 | w | 72.61 | 60.83 | 53.69 | 45.72 | 32.29 | 52.90 | a | |||||||||||
1935 | 29.77 | 32.29 | 39.33 | a | 47.59 | a | 55.87 | 65.76 | a | 73.05 | c | 69.77 | e | 65.07 | 51.87 | e | 33.32 | 27.31 | 49.25 | |||||||
1936 | 29.19 | 25.19 | 37.08 | 57.28 | g | 61.93 | b | 67.93 | b | 74.98 | d | 72.76 | 60.31 | a | 53.52 | 34.92 | 33.48 | c | 50.12 | a | ||||||
1937 | 14.03 | 31.18 | 44.55 | 48.52 | 59.81 | 64.55 | 74.89 | 69.45 | 63.95 | 53.85 | a | 43.93 | 35.00 | d | 50.31 | |||||||||||
1938 | 34.66 | 39.61 | 41.10 | 50.87 | 55.48 | 66.58 | 73.09 | c | 69.66 | i | 66.67 | 53.40 | 33.92 | 32.56 | 49.81 | a | ||||||||||
1939 | 32.55 | 30.64 | 43.94 | 53.74 | e | 61.32 | a | 63.53 | 74.86 | c | 72.55 | a | 63.45 | 52.26 | 40.25 | 39.69 | 52.40 | |||||||||
1940 | 33.89 | 39.71 | 46.58 | 51.73 | 62.55 | 70.37 | 74.92 | 73.24 | 64.03 | 54.97 | a | 35.34 | e | 37.31 | g | 55.21 | a | |||||||||
1941 | 33.32 | 39.54 | 44.93 | b | 51.09 | c | 59.66 | 64.37 | 75.03 | 69.32 | a | 57.12 | d | 49.96 | d | 41.05 | 34.65 | 51.67 | ||||||||
1942 | 19.77 | a | 32.21 | 40.39 | 51.80 | 53.40 | 59.95 | 72.79 | 70.08 | 60.68 | 51.82 | 40.00 | 33.47 | 48.86 | ||||||||||||
1943 | 28.90 | 35.95 | 40.02 | 54.93 | 53.66 | 60.50 | 70.10 | 68.42 | 65.38 | i | 52.73 | c | 39.83 | a | 33.57 | a | 48.96 | a | ||||||||
1944 | 24.82 | 35.52 | 39.42 | 49.60 | 56.92 | 60.75 | 69.03 | b | 68.06 | 62.00 | 56.02 | 39.18 | 29.81 | 49.26 | ||||||||||||
1945 | 32.84 | 38.77 | 41.52 | 47.67 | a | 56.92 | 60.82 | 71.65 | 70.37 | a | 58.53 | 54.42 | 39.60 | 30.82 | 50.33 | |||||||||||
1946 | 29.61 | 34.66 | 44.37 | 51.73 | 57.48 | 63.83 | 71.44 | 70.13 | 59.52 | 45.24 | 37.85 | 36.37 | 50.19 | |||||||||||||
1947 | 23.45 | 38.04 | 45.52 | 49.12 | 61.00 | 60.38 | 71.69 | 68.90 | 60.22 | 53.62 | a | 37.18 | 31.95 | 50.09 | ||||||||||||
1948 | 32.98 | a | 32.97 | 38.53 | 48.02 | b | 55.29 | 65.92 | 68.47 | 67.26 | 60.07 | 50.30 | a | 36.83 | 25.40 | 48.50 | ||||||||||
1949 | 11.77 | 31.45 | 42.90 | 52.92 | 60.61 | 64.10 | 70.95 | 69.65 | 62.52 | 45.21 | 41.88 | 33.89 | l | 50.36 | a | |||||||||||
1950 | 26.16 | 35.12 | 40.10 | 48.25 | 53.60 | 61.82 | 69.87 | 68.84 | 60.87 | 54.29 | 40.98 | 35.25 | a | 49.60 | ||||||||||||
1951 | 28.37 | 35.86 | 37.31 | 49.58 | 54.89 | 59.58 | 70.84 | 66.60 | 58.05 | 46.61 | 35.90 | 27.02 | 47.55 | |||||||||||||
1952 | 23.65 | 28.57 | 35.42 | 50.32 | 57.20 | a | 63.60 | 69.85 | 71.66 | 64.88 | 56.39 | 36.08 | e | 35.68 | 49.44 | |||||||||||
1953 | 41.89 | 38.43 | 43.55 | 48.08 | 53.26 | 59.30 | b | 72.40 | 69.52 | 63.20 | 51.89 | 44.59 | a | 31.63 | 51.48 | |||||||||||
1954 | 36.68 | 39.34 | 39.74 | 50.80 | 58.71 | e | 61.18 | 72.69 | 66.19 | 59.29 | a | 48.07 | a | 41.52 | 28.92 | 50.26 | ||||||||||
1955 | 22.81 | 26.85 | a | 37.06 | 45.62 | 55.47 | 65.67 | 69.60 | 71.55 | c | 60.87 | g | 51.84 | 35.36 | a | 36.15 | a | 47.09 | a | |||||||
1956 | 33.98 | a | 27.53 | 42.55 | 51.12 | 59.61 | 64.03 | a | 72.16 | c | 67.63 | 61.48 | 49.50 | 35.86 | a | 31.05 | a | 49.71 | ||||||||
1957 | 22.43 | c | 32.86 | 42.90 | a | 48.86 | a | 58.68 | 65.86 | a | 70.56 | 68.33 | a | 63.42 | 49.10 | 38.37 | k | 36.63 | e | 50.88 | a | |||||
1958 | 31.79 | 41.86 | 40.35 | a | 48.02 | 63.13 | 65.70 | 72.05 | 73.65 | e | 61.43 | 52.98 | 39.43 | a | 35.97 | b | 52.20 | |||||||||
1959 | 36.82 | a | 37.93 | 41.23 | 51.50 | 54.15 | 67.43 | a | 73.50 | 68.75 | g | 59.45 | 50.73 | 36.38 | i | 28.97 | 50.17 | b | ||||||||
1960 | 24.05 | 33.81 | 37.44 | w | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 28.93 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 28.50 | 34.55 | 42.06 | 50.11 | 57.62 | 64.55 | 72.48 | 70.34 | 61.14 | 51.22 | 39.06 | 30.76 | 50.10 | |||||||||||||
S.D. | 6.19 | 4.85 | 3.42 | 2.84 | 3.28 | 3.03 | 2.37 | 2.36 | 2.59 | 2.94 | 3.16 | 4.72 | 1.29 | |||||||||||||
SKEW | -0.49 | -0.44 | -0.40 | 0.53 | 0.32 | 0.03 | -0.13 | 0.15 | -0.10 | -0.58 | 0.09 | -0.17 | 0.20 | |||||||||||||
MAX | 41.89 | 43.07 | 49.90 | 57.13 | 64.85 | 71.88 | 77.26 | 74.98 | 66.67 | 56.39 | 45.72 | 41.05 | 52.62 | |||||||||||||
MIN | 11.77 | 22.44 | 32.21 | 44.67 | 51.92 | 59.30 | 67.87 | 66.19 | 55.52 | 43.69 | 33.32 | 20.42 | 47.47 | |||||||||||||
YRS | 49 | 48 | 48 | 48 | 49 | 48 | 47 | 46 | 47 | 49 | 47 | 46 | 36 |