YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1908 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 62.50 | 68.16 | 67.10 | 62.47 | 47.53 | 35.65 | 28.40 | 53.12 | e | |||||||
1909 | 36.55 | a | 31.14 | ----- | z | 43.74 | a | 51.65 | 62.32 | 69.26 | 70.74 | 60.55 | 51.97 | a | 41.67 | 20.30 | a | 49.08 | a | |||||||
1910 | 28.48 | 30.89 | 47.60 | 50.69 | c | 54.20 | a | 66.33 | 72.02 | 69.66 | 62.87 | ----- | z | 46.93 | a | 33.56 | e | 51.20 | a | |||||||
1911 | 37.84 | 29.43 | 44.29 | c | 48.29 | a | 57.81 | 69.08 | 69.34 | 70.07 | p | 64.95 | 44.86 | c | 37.89 | l | 24.00 | d | 48.99 | b | ||||||
1912 | 31.30 | c | 29.27 | a | 26.71 | b | ----- | z | 54.02 | a | 61.36 | b | 67.05 | 67.98 | 54.77 | 47.74 | 39.02 | a | 30.07 | a | 46.30 | a | ||||
1913 | 27.88 | b | 21.84 | 37.30 | a | 48.00 | a | 56.13 | a | 62.86 | a | 69.32 | a | 71.10 | a | 57.32 | 44.48 | 41.63 | 19.50 | k | 48.90 | a | ||||
1914 | 31.09 | c | 31.07 | 38.50 | c | 47.30 | 55.81 | 66.13 | 70.33 | b | 68.52 | 62.79 | b | 52.21 | b | 43.58 | 23.65 | 49.25 | ||||||||
1915 | 28.15 | a | 34.80 | 34.73 | 52.33 | a | 51.89 | d | 60.92 | 67.05 | 64.89 | 61.91 | a | 51.90 | 42.37 | 32.66 | 48.63 | |||||||||
1916 | 23.35 | a | 35.60 | 46.47 | 46.38 | 54.38 | a | 64.33 | a | 72.53 | 67.40 | 59.85 | 48.26 | 36.90 | 26.27 | 48.48 | ||||||||||
1917 | 28.27 | a | 34.16 | 32.95 | 42.67 | 47.87 | 63.22 | 71.33 | a | 66.27 | 61.97 | 49.38 | b | 43.15 | ----- | z | 49.20 | a | ||||||||
1918 | 23.63 | 35.39 | 44.61 | 43.12 | 55.40 | 68.86 | a | 69.10 | 68.15 | 58.52 | 52.28 | b | 34.17 | 30.03 | b | 48.60 | ||||||||||
1919 | 31.69 | b | ----- | z | 38.45 | b | ----- | z | 51.69 | b | ----- | z | 72.23 | a | 70.20 | h | 61.30 | 46.50 | 33.64 | a | 33.70 | d | 46.15 | d | ||
1920 | 33.69 | b | 32.14 | 38.07 | c | 37.97 | 54.71 | 65.79 | b | 72.15 | a | 67.21 | b | 61.52 | 51.03 | a | 35.47 | a | 29.42 | 48.26 | ||||||
1921 | 31.36 | b | 34.88 | 43.03 | a | 43.85 | 56.19 | 65.45 | 68.88 | j | 69.18 | 61.35 | 54.23 | a | 41.90 | 33.45 | 48.63 | a | ||||||||
1922 | 26.05 | a | 27.17 | d | 41.21 | b | 44.57 | 56.05 | 68.50 | 70.58 | 72.69 | 64.13 | 51.02 | 35.73 | 34.79 | 49.37 | ||||||||||
1923 | 37.05 | 27.61 | 32.98 | 45.67 | 55.74 | 63.43 | 70.73 | 66.44 | 58.52 | 42.39 | 39.47 | a | 28.53 | 47.38 | ||||||||||||
1924 | 26.87 | a | 36.05 | 27.52 | h | 45.64 | a | 51.50 | 65.53 | 69.15 | 69.45 | 57.97 | 51.72 | a | 41.48 | 23.52 | 48.99 | a | ||||||||
1925 | 29.15 | 37.68 | 42.33 | d | 50.81 | c | 58.68 | 65.83 | 70.89 | 67.55 | 61.43 | 42.90 | 38.93 | 30.35 | 49.71 | |||||||||||
1926 | 27.82 | 37.68 | 36.03 | 46.77 | 57.16 | 65.38 | 68.94 | 70.31 | 59.65 | 52.05 | a | 40.75 | 27.93 | i | 51.14 | a | ||||||||||
1927 | 32.55 | 34.11 | 35.02 | 47.08 | 58.53 | a | 64.15 | 70.56 | 66.08 | a | 60.53 | 53.13 | 43.67 | a | ----- | z | 51.40 | a | ||||||||
1928 | ----- | z | 30.53 | 40.15 | a | 45.47 | a | 57.24 | 61.22 | 70.06 | 69.03 | ----- | z | 45.56 | f | 37.74 | a | 30.13 | a | 49.06 | c | |||||
1929 | 26.94 | 22.48 | a | 38.37 | a | 45.80 | 54.61 | 65.88 | 73.57 | a | 72.05 | 59.30 | 51.47 | 30.58 | ----- | z | 49.19 | a | ||||||||
1930 | 15.63 | 40.32 | 36.73 | 53.45 | 54.00 | 67.43 | 72.74 | 70.34 | 63.43 | 50.10 | 39.77 | 30.40 | 49.53 | |||||||||||||
1931 | 33.87 | 39.12 | 37.16 | 48.55 | 54.73 | 70.20 | 74.39 | 69.77 | 66.18 | 53.65 | 37.33 | 32.73 | 51.47 | |||||||||||||
1932 | 26.13 | 37.19 | 32.35 | 50.21 | a | 58.08 | 66.80 | 78.62 | e | 76.26 | b | 66.22 | ----- | z | 43.64 | a | 24.06 | d | 50.87 | a | ||||||
1933 | 33.33 | a | 29.82 | c | 42.30 | a | 45.98 | e | 62.22 | v | 71.57 | b | 74.73 | 69.92 | 66.90 | 55.42 | 44.18 | 40.95 | 52.28 | a | ||||||
1934 | 36.94 | 34.98 | 42.36 | b | 50.28 | 64.13 | 68.98 | a | 76.21 | 73.61 | 58.90 | a | 54.48 | 39.63 | 29.97 | 52.54 | ||||||||||
1935 | 37.09 | b | 33.32 | 40.98 | 44.48 | 50.38 | b | 65.82 | 73.39 | 72.23 | 60.37 | 48.37 | 37.33 | 31.66 | 49.62 | |||||||||||
1936 | 31.18 | c | 27.48 | b | 40.98 | 50.30 | 61.27 | 71.67 | a | 76.73 | 72.81 | 62.27 | b | 47.97 | 37.45 | a | 34.19 | 51.19 | ||||||||
1937 | 18.72 | a | 33.80 | 38.87 | 49.02 | a | 60.73 | 66.26 | a | 74.21 | 75.79 | 66.08 | 52.18 | 39.22 | a | 32.19 | 50.59 | |||||||||
1938 | 33.52 | 36.27 | 44.23 | 50.93 | 57.36 | c | 69.32 | 72.92 | a | 74.76 | 64.35 | 54.26 | 34.76 | a | 32.94 | 52.13 | ||||||||||
1939 | 31.35 | 25.79 | b | 39.68 | a | 51.10 | 63.32 | 68.72 | 78.03 | 72.68 | 65.97 | 53.31 | 42.09 | a | 40.66 | 52.72 | ||||||||||
1940 | 23.84 | b | 35.59 | a | 45.08 | a | 51.05 | a | 62.55 | b | 73.15 | 76.88 | a | 74.32 | 65.43 | 54.47 | 35.48 | 34.31 | 52.68 | |||||||
1941 | 33.19 | 36.91 | 38.19 | 47.76 | a | 59.66 | 64.25 | 71.73 | 70.85 | 60.72 | a | 48.85 | 41.53 | 34.29 | 50.66 | |||||||||||
1942 | 28.12 | b | 23.88 | 37.71 | 52.78 | a | 57.18 | a | 67.23 | 73.65 | a | 71.79 | 61.60 | 51.58 | a | 43.93 | b | 37.72 | a | 50.60 | ||||||
1943 | 36.11 | d | 40.50 | 37.81 | 56.98 | 55.19 | b | 67.67 | 76.75 | a | 74.82 | 63.47 | 52.69 | 40.57 | 34.68 | a | 53.10 | |||||||||
1944 | 31.84 | 34.48 | 36.62 | a | 44.97 | a | 60.47 | a | 67.85 | 73.20 | a | 74.48 | a | 63.65 | 54.00 | 42.17 | 32.18 | 51.32 | ||||||||
1945 | 34.88 | a | 36.61 | 43.58 | 43.89 | b | 59.56 | 64.08 | 73.29 | 72.02 | 60.90 | 53.44 | 42.90 | 32.00 | a | 51.43 | ||||||||||
1946 | 33.03 | 37.55 | 46.52 | 57.48 | b | 54.58 | a | 70.72 | 75.37 | a | 72.35 | 63.63 | 50.31 | 36.28 | 39.53 | 53.11 | ||||||||||
1947 | 32.73 | a | 31.94 | a | 37.77 | 48.27 | 59.31 | 65.45 | a | 74.13 | 75.02 | 67.77 | 56.13 | 35.53 | a | 35.61 | 51.64 | |||||||||
1948 | 29.80 | a | 32.33 | b | 35.98 | a | 52.60 | a | 60.56 | 67.72 | 74.23 | 73.76 | 68.13 | 52.31 | 38.82 | 31.34 | 51.47 | |||||||||
1949 | 18.69 | ----- | z | 48.62 | r | ----- | z | ----- | z | 66.24 | c | 72.84 | 71.83 | b | 63.85 | 51.35 | a | 51.23 | b | 35.89 | d | 53.99 | d | |||
1950 | 32.13 | 39.75 | 40.98 | 49.55 | 53.69 | 67.50 | 69.55 | 69.18 | 60.78 | 60.00 | 41.07 | 39.29 | 51.96 | |||||||||||||
1951 | 29.63 | 36.02 | 36.77 | 45.63 | 58.23 | 61.37 | 73.53 | 70.90 | f | 62.44 | c | 49.05 | 38.88 | 30.87 | 47.49 | a | ||||||||||
1952 | 34.34 | c | 35.84 | 34.32 | 46.28 | 53.83 | g | 72.10 | d | 72.74 | 70.77 | 63.78 | 51.90 | 40.84 | k | 32.42 | k | 53.57 | c | |||||||
1953 | 41.94 | 34.93 | 44.40 | a | 44.32 | 53.66 | 69.18 | 72.66 | 70.23 | 65.27 | f | 52.97 | a | 42.83 | 33.68 | 50.98 | a | |||||||||
1954 | 38.42 | 46.62 | 37.60 | 56.38 | a | 59.58 | f | 70.48 | b | 77.10 | g | 73.00 | d | 66.66 | b | 53.84 | f | ----- | z | 38.53 | b | 53.46 | d | |||
1955 | 29.67 | a | 31.04 | 38.80 | a | 52.43 | 59.34 | 65.07 | 73.61 | 70.95 | 61.95 | 52.45 | a | 33.81 | a | 34.48 | a | 50.30 | ||||||||
1956 | 35.08 | a | 28.16 | 41.03 | 46.42 | 60.35 | a | 71.90 | 71.91 | n | 69.52 | 65.40 | 56.22 | a | 39.92 | 38.55 | 50.23 | a | ||||||||
1957 | 27.66 | 43.73 | 39.60 | 40.33 | a | 51.90 | 65.48 | 73.22 | a | 71.81 | 61.90 | a | 53.62 | b | 39.52 | ----- | z | 51.71 | a | |||||||
1958 | 33.77 | 39.02 | 34.05 | 45.40 | 61.37 | 69.13 | ----- | z | 73.34 | 64.82 | b | 55.26 | 42.62 | 37.42 | 50.56 | a | ||||||||||
1959 | 31.67 | a | 33.00 | 40.23 | 48.45 | 58.08 | 71.32 | 72.53 | 73.47 | 61.65 | 49.08 | a | 41.42 | 37.14 | c | 51.50 | ||||||||||
1960 | 29.86 | b | 27.09 | 39.34 | 52.62 | a | 58.60 | a | 70.02 | a | 74.05 | a | 73.00 | c | ----- | z | 53.82 | 42.92 | 31.97 | b | 50.30 | a | ||||
1961 | 34.24 | 39.18 | 40.92 | 45.87 | 57.53 | 67.20 | 73.05 | a | 71.19 | 58.00 | a | 52.39 | 36.55 | b | 28.91 | b | 50.42 | |||||||||
1962 | 24.35 | 33.67 | a | 36.90 | 52.30 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.81 | h | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 30.61 | 33.65 | 39.19 | 48.08 | 56.68 | 66.81 | 72.47 | 70.93 | 62.37 | 51.37 | 39.76 | 32.36 | 50.68 | |||||||||||||
S.D. | 5.16 | 5.08 | 4.09 | 4.05 | 3.52 | 3.11 | 2.68 | 2.73 | 2.89 | 3.44 | 3.77 | 4.69 | 1.57 | |||||||||||||
SKEW | -0.64 | -0.16 | -0.26 | 0.19 | -0.11 | 0.00 | 0.09 | -0.16 | -0.13 | -0.57 | 0.16 | -0.39 | -0.25 | |||||||||||||
MAX | 41.94 | 46.62 | 47.60 | 57.48 | 64.13 | 73.15 | 78.62 | 76.26 | 68.13 | 60.00 | 51.23 | 40.95 | 53.11 | |||||||||||||
MIN | 15.63 | 21.84 | 26.71 | 37.97 | 47.87 | 60.92 | 67.05 | 64.89 | 54.77 | 42.39 | 30.58 | 20.30 | 47.38 | |||||||||||||
YRS | 53 | 52 | 51 | 51 | 49 | 53 | 50 | 51 | 51 | 50 | 51 | 47 | 29 |