YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1910 | ----- | z | ----- | z | 53.23 | 62.50 | d | 64.25 | c | 81.97 | 81.58 | 76.97 | 67.17 | 60.84 | 31.81 | d | 24.10 | 60.44 | b | |||||||
1911 | 18.83 | s | 28.77 | o | 39.14 | c | 51.90 | 70.79 | c | 82.70 | 77.97 | a | 74.74 | 65.63 | 52.55 | 32.47 | 31.33 | a | 57.92 | b | ||||||
1912 | 4.52 | h | 19.39 | f | 31.77 | 54.60 | 65.68 | f | 73.56 | c | 77.31 | b | 69.35 | 68.48 | a | 58.10 | b | 41.62 | a | 29.29 | 56.01 | c | ||||
1913 | 23.19 | 19.36 | 32.37 | d | 55.38 | a | 63.10 | 79.83 | 76.45 | 77.94 | 69.00 | 53.61 | 44.77 | 36.23 | 52.60 | |||||||||||
1914 | 26.26 | 18.86 | 34.06 | 48.70 | 68.52 | 73.04 | b | 82.10 | 75.10 | 69.10 | 64.58 | 39.30 | 20.71 | 51.69 | ||||||||||||
1915 | 20.42 | 31.82 | 36.16 | 63.57 | 61.10 | 69.90 | 75.10 | 73.23 | 69.00 | 56.45 | 38.80 | 27.16 | 51.89 | |||||||||||||
1916 | 22.52 | 19.93 | 32.65 | 48.67 | 62.58 | 68.70 | 86.94 | 79.13 | 65.23 | 55.00 | 37.23 | 21.84 | 50.03 | |||||||||||||
1917 | 18.87 | 15.79 | 34.32 | 48.00 | 62.23 | 69.97 | 81.06 | 73.26 | 66.47 | 42.65 | 43.10 | a | 18.90 | a | 47.88 | |||||||||||
1918 | 11.39 | 24.26 | a | 44.00 | 53.57 | 67.68 | 74.29 | b | 78.97 | 78.74 | 63.45 | a | 56.87 | a | 42.84 | e | 31.23 | 52.27 | ||||||||
1919 | 28.84 | 27.57 | 38.65 | 51.19 | d | 66.58 | 79.07 | 79.26 | 74.20 | a | 72.23 | 51.94 | 34.27 | 17.23 | 51.75 | |||||||||||
1920 | 17.21 | b | 23.00 | a | 39.39 | 45.13 | 68.39 | 77.00 | a | 76.03 | 79.23 | 72.73 | 66.23 | 35.83 | 27.45 | 52.30 | ||||||||||
1921 | 26.65 | 29.89 | 37.00 | 60.07 | 70.39 | 81.83 | 85.45 | 77.52 | 71.27 | 57.35 | 32.23 | 24.90 | 54.55 | |||||||||||||
1922 | 22.10 | 22.61 | 38.23 | 50.24 | a | 72.81 | 74.00 | 75.10 | 78.60 | a | 72.27 | 59.03 | a | 40.30 | 24.47 | a | 52.48 | |||||||||
1923 | 22.83 | a | 17.89 | a | 29.29 | 49.00 | 68.52 | 79.33 | 80.77 | 73.83 | a | 70.23 | 56.27 | a | 44.83 | 35.97 | 52.40 | |||||||||
1924 | 13.13 | 27.64 | a | 35.32 | 47.77 | 56.48 | 71.60 | 74.94 | 64.23 | e | ----- | z | ----- | z | ----- | z | 17.35 | 45.39 | c | |||||||
1925 | 22.10 | 26.61 | 40.29 | 60.30 | 63.29 | 74.30 | 77.97 | 80.29 | 71.03 | 42.67 | a | 39.07 | 22.42 | 51.69 | ||||||||||||
1926 | 24.48 | 26.96 | 30.35 | 48.43 | 69.58 | 68.93 | a | 77.19 | 73.48 | 61.80 | 51.76 | b | 31.00 | 22.03 | 48.83 | |||||||||||
1927 | 19.50 | a | 29.86 | 41.37 | a | 52.43 | 59.90 | 72.50 | 75.10 | 73.03 | 70.07 | 59.52 | 35.60 | 21.63 | a | 50.88 | ||||||||||
1928 | 22.68 | 27.83 | 37.13 | 44.10 | 68.19 | 69.10 | 77.23 | a | 76.03 | 62.60 | 55.03 | a | 40.47 | 29.84 | 50.85 | |||||||||||
1929 | 10.90 | a | 20.54 | 36.43 | a | 53.00 | 61.10 | 72.23 | 76.86 | b | 76.00 | a | 67.54 | b | 55.81 | 33.52 | a | 22.93 | c | 48.90 | ||||||
1930 | 15.67 | a | 32.64 | 38.06 | 56.97 | 65.47 | a | 74.93 | a | 78.71 | 82.54 | c | 70.27 | 52.39 | 44.67 | 25.71 | 53.17 | |||||||||
1931 | 28.20 | a | 36.54 | 36.58 | 58.00 | b | 64.16 | 76.97 | 80.52 | 73.35 | 73.60 | 60.22 | d | 45.54 | b | 32.17 | a | 55.49 | ||||||||
1932 | 27.57 | a | 27.44 | b | 29.06 | 52.10 | 65.68 | 78.50 | 78.40 | a | 79.42 | g | 68.67 | 51.28 | b | 35.03 | 24.66 | b | 48.94 | a | ||||||
1933 | 30.27 | a | 21.36 | 32.97 | 49.97 | a | 69.13 | 82.90 | a | 83.52 | b | 78.90 | a | 73.86 | b | 50.93 | a | 33.27 | 21.40 | a | 52.37 | |||||
1934 | 27.84 | 21.12 | b | 31.00 | 46.52 | a | 74.55 | 77.83 | 80.48 | 75.61 | 66.14 | a | 58.77 | 41.17 | a | 23.81 | 52.07 | |||||||||
1935 | 20.10 | a | 29.18 | 37.90 | 51.97 | 62.58 | 68.13 | 82.71 | 75.00 | 66.70 | 53.81 | 33.10 | 24.35 | 50.46 | ||||||||||||
1936 | 16.84 | 12.59 | 35.39 | 44.60 | 71.97 | a | 72.40 | 87.32 | 77.87 | 72.03 | 50.03 | 36.10 | a | 32.37 | a | 50.79 | ||||||||||
1937 | 21.32 | 25.68 | 36.10 | a | 46.60 | 67.39 | 74.23 | 83.10 | 83.55 | 67.63 | 50.26 | 36.47 | 24.77 | a | 51.42 | |||||||||||
1938 | 20.97 | 29.39 | 43.55 | 52.50 | 65.26 | 72.67 | 76.27 | a | 78.87 | a | 66.83 | 60.87 | 38.30 | 25.84 | 52.61 | |||||||||||
1939 | 27.00 | 23.26 | a | 36.26 | 47.67 | 70.16 | 73.48 | a | 78.97 | 76.94 | 69.47 | 54.03 | 43.53 | 33.19 | 52.83 | |||||||||||
1940 | 19.42 | 28.34 | 31.10 | 48.40 | 61.74 | 72.69 | a | 79.07 | a | 72.34 | b | 71.60 | 56.97 | 35.63 | 27.42 | 50.39 | ||||||||||
1941 | 25.42 | 29.79 | 36.03 | a | 62.23 | 72.19 | 77.55 | a | 78.90 | 76.77 | 69.10 | 56.32 | 39.23 | 31.16 | 54.56 | |||||||||||
1942 | 24.58 | 26.00 | a | 39.00 | 62.13 | 62.87 | a | 71.80 | 74.94 | 75.90 | b | 62.77 | 59.53 | a | 38.47 | 20.58 | 51.55 | |||||||||
1943 | 18.29 | 28.79 | 27.69 | e | 48.90 | a | 64.52 | 75.90 | 81.23 | 77.10 | 62.40 | 56.35 | 33.10 | 28.87 | 50.26 | |||||||||||
1944 | 32.77 | 27.93 | 32.29 | 50.23 | 69.74 | 75.03 | 77.00 | 79.26 | 65.27 | 57.87 | 42.27 | 23.68 | 52.78 | |||||||||||||
1945 | 17.35 | 27.26 | a | 49.13 | 50.87 | 59.10 | 69.00 | 74.35 | 73.74 | 64.77 | 53.94 | 35.33 | 20.90 | 49.65 | ||||||||||||
1946 | 23.52 | 24.46 | 48.81 | 55.60 | 65.32 | 72.00 | 77.03 | 73.00 | 66.40 | 59.65 | 40.03 | 26.29 | 52.68 | |||||||||||||
1947 | 25.84 | 22.18 | 34.10 | b | 47.40 | 57.48 | 70.17 | 78.06 | 83.68 | 67.27 | 65.71 | 33.86 | a | 24.53 | a | 50.86 | ||||||||||
1948 | 16.29 | 25.69 | 36.81 | 58.80 | 66.58 | 72.27 | 69.10 | k | 78.07 | d | 71.80 | 55.58 | 41.10 | 25.23 | 49.84 | a | ||||||||||
1949 | 26.30 | a | 24.93 | 34.81 | 58.52 | a | 71.55 | 79.03 | 78.35 | 77.29 | 62.93 | a | 59.10 | 38.73 | 26.23 | 53.15 | ||||||||||
1950 | 21.71 | 25.82 | 31.61 | 40.43 | 64.65 | 74.20 | 73.06 | 70.39 | 66.31 | a | 60.06 | 33.87 | 21.55 | 48.64 | ||||||||||||
1951 | 20.32 | 26.43 | 32.71 | 49.07 | a | 71.90 | a | 72.14 | a | 77.26 | 70.23 | 61.20 | 53.68 | 31.17 | 23.19 | 49.11 | ||||||||||
1952 | 24.58 | 30.97 | 34.61 | 57.90 | 65.55 | 75.27 | 77.81 | 73.65 | 69.67 | 51.65 | 41.37 | 29.48 | 52.71 | |||||||||||||
1953 | 24.81 | 27.19 | a | 37.16 | 46.77 | 68.23 | 75.37 | 76.74 | 76.94 | 67.47 | 65.42 | 46.37 | 27.45 | 53.32 | ||||||||||||
1954 | 21.93 | a | 36.52 | a | 33.74 | 53.70 | 57.61 | 76.37 | 77.90 | 73.65 | 62.57 | 54.67 | a | 42.20 | 27.81 | 51.56 | ||||||||||
1955 | 21.77 | 24.75 | 35.26 | 60.23 | 72.00 | 74.33 | 82.55 | 79.10 | 68.20 | 58.35 | 34.47 | 23.23 | 52.85 | |||||||||||||
1956 | 27.19 | 27.69 | 35.10 | 49.23 | 65.55 | 77.17 | 72.23 | 73.65 | 65.10 | 66.13 | 38.80 | 29.68 | 52.29 | |||||||||||||
1957 | 15.83 | a | 28.11 | 37.77 | 54.63 | 66.32 | 73.20 | 79.52 | 74.81 | 65.43 | 56.13 | 36.63 | 27.74 | 51.34 | ||||||||||||
1958 | 26.19 | 24.84 | c | 38.68 | 55.47 | 67.55 | 70.67 | 76.03 | 76.00 | a | 67.90 | 56.16 | 40.20 | 19.42 | 51.59 | |||||||||||
1959 | 16.55 | 24.46 | 39.00 | 51.50 | 70.42 | 76.00 | 77.77 | 77.45 | 67.67 | 49.81 | 29.67 | 31.55 | 50.99 | |||||||||||||
1960 | 22.77 | 27.83 | 32.00 | 53.50 | 63.83 | a | 71.80 | 77.71 | 77.10 | 67.20 | 56.58 | 40.33 | 24.10 | 51.23 | ||||||||||||
1961 | 22.06 | 33.18 | 39.97 | a | 48.00 | 63.35 | 77.27 | o | 75.03 | 77.10 | 66.63 | 57.94 | 37.43 | 23.00 | 49.43 | a | ||||||||||
1962 | 16.19 | 23.00 | 37.71 | 49.87 | 68.39 | 73.40 | 74.10 | 75.27 | a | 61.40 | 56.50 | e | 37.90 | 23.72 | b | 49.79 | ||||||||||
1963 | 9.71 | 19.18 | 41.32 | 55.34 | a | 62.84 | 76.90 | 79.03 | 73.00 | 67.37 | 68.39 | 42.07 | 19.00 | a | 51.18 | |||||||||||
1964 | 28.23 | 30.14 | 32.84 | 53.24 | a | 72.06 | 75.93 | 80.48 | 70.65 | 64.53 | 55.26 | 40.50 | 22.58 | 52.20 | ||||||||||||
1965 | 20.24 | b | 22.25 | 28.45 | 47.37 | 69.61 | 72.27 | 74.30 | a | 72.61 | 60.40 | 56.00 | a | 37.90 | 30.35 | 49.31 | ||||||||||
1966 | 16.53 | a | 26.00 | 39.74 | 46.23 | 61.16 | 76.47 | 82.42 | 71.47 | a | 65.70 | 53.65 | 37.07 | 26.47 | a | 50.24 | ||||||||||
1967 | 23.77 | r | 20.21 | 38.16 | 51.60 | 61.61 | 73.23 | 74.26 | 69.81 | 66.13 | 52.45 | 32.87 | 26.19 | 51.50 | a | |||||||||||
1968 | 21.84 | 24.17 | 45.16 | 56.70 | 62.94 | 71.63 | 75.87 | 75.45 | 65.93 | 57.58 | 37.57 | 23.84 | 51.56 | |||||||||||||
1969 | 20.26 | 28.43 | 32.58 | 56.07 | a | 66.55 | 66.19 | c | 75.94 | 80.68 | 66.13 | 49.00 | 37.77 | 26.40 | a | 50.50 | ||||||||||
1970 | 15.74 | 27.18 | 34.48 | 53.33 | 64.68 | 77.20 | 80.55 | 78.29 | 68.03 | 57.71 | 37.00 | e | ----- | z | 54.02 | a | ||||||||||
1971 | 15.81 | 25.89 | 33.65 | 52.70 | 63.26 | 79.77 | 75.65 | 75.65 | 69.10 | 61.52 | 36.47 | ----- | z | 53.59 | a | |||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 21.53 | 25.75 | 36.44 | 52.28 | 65.95 | 74.44 | 78.34 | 75.70 | 67.29 | 56.30 | 37.93 | 25.62 | 51.51 | |||||||||||||
S.D. | 4.99 | 4.59 | 4.92 | 5.08 | 4.17 | 3.75 | 3.23 | 3.52 | 3.23 | 5.00 | 4.02 | 4.32 | 1.55 | |||||||||||||
SKEW | -0.22 | -0.25 | 1.02 | 0.31 | -0.11 | 0.29 | 0.70 | -0.31 | -0.06 | -0.08 | 0.07 | 0.36 | -0.03 | |||||||||||||
MAX | 32.77 | 36.54 | 53.23 | 63.57 | 74.55 | 82.90 | 87.32 | 83.68 | 73.86 | 68.39 | 46.37 | 36.23 | 55.49 | |||||||||||||
MIN | 9.71 | 12.59 | 27.69 | 40.43 | 56.48 | 66.19 | 72.23 | 64.23 | 60.40 | 42.65 | 29.67 | 17.23 | 47.88 | |||||||||||||
YRS | 58 | 59 | 62 | 62 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 60 | 52 |