YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1908 | ----- | z | ----- | z | ----- | z | 63.38 | n | 58.00 | b | 68.50 | 83.47 | a | 81.35 | 76.00 | w | 58.86 | i | 45.00 | 33.07 | c | 61.57 | f | |||
1909 | 14.80 | u | 37.93 | 48.29 | 49.10 | 58.19 | 71.00 | m | 72.47 | a | 74.08 | g | 72.68 | b | 55.71 | 40.67 | 27.23 | 51.36 | c | |||||||
1910 | 30.74 | 30.36 | 49.45 | 53.83 | 66.94 | 67.63 | 77.06 | 71.55 | 67.07 | 56.89 | v | 39.80 | 35.16 | 53.60 | a | |||||||||||
1911 | 31.79 | c | 34.11 | i | 50.00 | 51.00 | f | 57.66 | b | 67.57 | 78.58 | 76.65 | 61.90 | a | 58.03 | 40.87 | 39.42 | 56.24 | b | |||||||
1912 | 32.94 | 39.29 | a | 46.55 | 51.37 | 64.00 | 73.13 | 74.63 | d | 72.79 | b | 67.33 | 52.81 | 42.47 | 35.06 | 54.36 | ||||||||||
1913 | 28.56 | f | 36.79 | 41.23 | 53.59 | a | 60.06 | 68.37 | 76.74 | 78.65 | 68.00 | 52.68 | 41.80 | 33.74 | 55.60 | a | ||||||||||
1914 | 35.61 | 37.07 | 48.03 | 56.10 | 67.84 | 68.07 | 80.06 | 80.23 | 62.43 | 55.26 | 39.41 | a | 27.84 | 54.83 | ||||||||||||
1915 | 31.10 | 38.54 | 51.32 | 62.00 | 61.23 | 69.97 | 75.06 | 84.32 | 67.30 | 55.29 | 38.70 | 33.48 | 55.69 | |||||||||||||
1916 | 21.65 | 33.59 | 41.26 | 51.97 | 56.10 | 68.23 | 71.23 | 78.23 | 68.83 | 58.48 | 37.47 | 30.87 | 51.49 | |||||||||||||
1917 | 33.55 | 36.25 | 37.03 | 45.33 | 57.77 | 65.90 | a | 78.65 | 80.97 | a | 68.67 | 68.35 | n | 46.03 | 39.48 | 53.60 | a | |||||||||
1918 | 37.35 | 33.93 | 42.90 | 56.53 | 56.16 | 73.83 | a | 76.42 | 71.10 | 78.13 | 55.00 | 41.70 | 35.19 | 54.85 | ||||||||||||
1919 | 33.52 | 35.14 | 42.13 | 51.67 | 58.03 | 65.33 | 77.06 | 76.84 | 67.20 | 51.42 | 38.62 | a | 26.35 | 51.94 | ||||||||||||
1920 | 33.71 | 40.07 | 42.58 | 46.60 | 57.39 | 64.83 | 79.37 | a | 79.03 | b | 63.59 | a | 50.07 | a | 40.83 | 34.41 | b | 52.71 | ||||||||
1921 | 33.00 | c | 38.23 | b | 42.35 | 48.81 | d | 62.11 | d | 67.87 | 72.32 | 75.45 | 59.38 | a | 59.07 | d | 41.18 | b | 32.11 | c | 52.66 | |||||
1922 | 28.71 | c | 32.21 | 38.42 | 46.73 | 57.73 | a | 74.17 | 78.06 | 76.23 | 69.43 | 59.77 | 37.77 | 39.38 | w | 54.48 | a | |||||||||
1923 | 34.65 | 33.11 | 42.76 | b | 52.80 | 57.39 | 65.17 | 76.23 | a | 77.50 | a | 71.79 | a | 56.35 | 45.43 | 34.94 | 54.01 | |||||||||
1924 | 29.87 | 40.55 | 43.42 | 51.47 | 67.00 | 66.87 | 75.39 | 73.84 | 68.97 | 53.16 | 37.30 | 29.94 | 53.15 | |||||||||||||
1925 | 35.66 | b | 39.93 | 44.52 | 54.80 | 64.58 | 69.20 | 79.74 | 76.13 | 67.33 | 60.39 | 41.37 | 37.71 | 55.95 | ||||||||||||
1926 | 33.10 | 41.43 | 53.84 | 62.10 | 60.03 | 73.43 | 79.77 | 76.19 | 62.07 | 55.55 | 43.30 | 34.19 | 56.25 | |||||||||||||
1927 | 29.87 | 37.50 | 42.35 | 50.00 | 54.61 | 69.53 | 76.39 | 77.84 | ----- | z | 52.84 | 42.33 | 31.87 | a | 51.38 | a | ||||||||||
1928 | 30.65 | 38.93 | 43.87 | 50.50 | 68.42 | 65.53 | 77.61 | 75.03 | 71.20 | 55.00 | 41.93 | 32.06 | 54.23 | |||||||||||||
1929 | 27.65 | 31.57 | e | 44.16 | 49.40 | 62.10 | 64.73 | 75.71 | 79.32 | 69.53 | 60.06 | 47.17 | 39.03 | 54.20 | ||||||||||||
1930 | 22.39 | 39.32 | 47.90 | 57.63 | 59.45 | 64.70 | 76.23 | 79.32 | 68.60 | 52.32 | 41.07 | 31.81 | 53.40 | |||||||||||||
1931 | 34.45 | 37.64 | 44.13 | 55.47 | 67.32 | 67.83 | 79.32 | 78.03 | 64.50 | 56.23 | 37.83 | 30.35 | 54.43 | |||||||||||||
1932 | 31.45 | 35.55 | 41.70 | a | 53.57 | 60.39 | 71.13 | 71.35 | 73.00 | 69.80 | 56.48 | 43.23 | 32.55 | 53.35 | ||||||||||||
1933 | 33.97 | 31.61 | 40.81 | 52.47 | 55.97 | 66.40 | 75.52 | 78.42 | 61.43 | 58.74 | 48.07 | 38.74 | 53.51 | |||||||||||||
1934 | 39.74 | 46.25 | 54.87 | 65.67 | 67.26 | 70.93 | 76.77 | 81.26 | 67.70 | 57.61 | 43.53 | 35.60 | a | 58.93 | ||||||||||||
1935 | 32.52 | 40.50 | 41.26 | 52.80 | 64.32 | 68.43 | 76.29 | 74.77 | 73.43 | 56.57 | a | 39.00 | 33.00 | a | 54.41 | |||||||||||
1936 | 35.39 | 23.59 | 43.13 | 55.70 | 67.16 | 74.43 | i | 79.23 | 81.52 | 73.63 | 66.87 | 46.20 | 39.00 | 55.58 | a | |||||||||||
1937 | 25.65 | 34.96 | 47.00 | 48.41 | a | 63.06 | 71.53 | 76.86 | j | 73.35 | 74.33 | 63.32 | 44.10 | 37.16 | 52.99 | a | ||||||||||
1938 | 34.84 | 36.71 | 45.03 | 56.77 | 65.10 | 74.50 | 83.77 | 76.94 | 79.33 | 58.90 | 40.77 | 38.26 | 57.58 | |||||||||||||
1939 | 39.26 | 36.54 | 47.87 | 59.43 | 64.74 | 66.20 | 79.61 | 83.81 | 72.67 | 58.32 | 48.03 | 40.58 | 58.09 | |||||||||||||
1940 | 34.58 | 40.79 | 51.58 | 55.73 | 67.68 | 75.10 | 79.03 | 80.94 | 74.67 | 58.68 | 38.93 | 37.29 | 57.92 | |||||||||||||
1941 | 35.29 | 43.39 | 56.19 | 61.53 | 61.71 | 67.73 | 83.52 | 78.71 | 62.23 | 55.26 | 46.83 | 36.26 | 57.39 | |||||||||||||
1942 | 29.61 | 39.64 | 46.74 | 58.50 | 59.84 | 64.17 | 79.52 | 82.35 | 76.43 | 61.81 | 37.93 | 36.45 | 56.08 | |||||||||||||
1943 | 27.42 | 40.21 | 43.13 | 54.50 | 58.77 | a | 65.10 | 77.55 | 75.26 | 76.80 | 59.00 | 42.53 | 35.74 | 54.67 | ||||||||||||
1944 | 34.39 | 39.79 | 44.06 | 53.80 | 61.68 | 67.77 | 77.39 | 75.23 | 73.87 | 63.42 | 40.63 | 30.87 | 55.24 | |||||||||||||
1945 | 36.35 | 39.96 | 43.10 | 48.83 | 65.10 | 65.77 | 79.55 | 80.52 | 67.10 | 61.97 | 39.13 | 32.06 | 54.95 | |||||||||||||
1946 | 36.81 | 39.14 | 43.68 | 52.23 | 66.06 | 65.30 | 76.32 | 80.19 | 67.28 | a | 53.52 | 40.90 | a | 37.42 | 54.90 | |||||||||||
1947 | 33.97 | 41.96 | 52.39 | 57.13 | 68.32 | 65.30 | 74.39 | 73.71 | 69.67 | 53.29 | 43.10 | 36.71 | 55.83 | |||||||||||||
1948 | 33.58 | 36.21 | 42.06 | 47.77 | 57.13 | 71.62 | a | 72.35 | 71.84 | 67.83 | 55.58 | 40.93 | 29.97 | 52.24 | ||||||||||||
1949 | 24.13 | 32.07 | 42.19 | 54.97 | 66.94 | 68.37 | 74.68 | 78.00 | 73.17 | 53.24 | j | 49.90 | 35.48 | 54.54 | a | |||||||||||
1950 | 18.71 | 32.74 | a | 40.45 | 47.53 | 58.00 | a | 67.50 | 77.77 | 80.48 | 77.10 | 51.45 | 41.07 | 36.71 | 52.46 | |||||||||||
1951 | 33.13 | 38.79 | 41.47 | a | 59.60 | 62.06 | 72.07 | 81.03 | 79.32 | 73.70 | 52.94 | 41.57 | 32.91 | i | 57.79 | a | ||||||||||
1952 | 28.13 | 38.90 | 43.48 | 54.39 | g | 64.10 | a | 65.00 | 78.97 | 78.26 | 77.00 | 69.32 | 42.10 | 33.94 | 56.29 | a | ||||||||||
1953 | 40.29 | 41.64 | 45.19 | 49.83 | 58.00 | 61.27 | 76.10 | 76.80 | a | 70.93 | 59.74 | 44.60 | 40.45 | 55.40 | ||||||||||||
1954 | 31.47 | a | 37.43 | 43.58 | 47.77 | 61.90 | a | 61.10 | a | 71.97 | 68.97 | 67.50 | 55.23 | 47.60 | 34.48 | 52.42 | ||||||||||
1955 | 35.10 | 37.71 | 36.55 | 45.00 | 54.61 | 66.70 | 68.23 | 76.29 | 68.23 | 54.10 | 34.53 | 31.23 | 50.69 | |||||||||||||
1956 | 31.55 | 31.00 | 39.13 | 55.07 | 64.10 | j | 62.17 | 79.45 | 77.74 | 70.57 | 52.13 | 39.43 | 37.55 | 52.34 | a | |||||||||||
1957 | 25.03 | 37.07 | 43.00 | 53.20 | 65.65 | 68.83 | 72.06 | 72.48 | 76.77 | 53.81 | 44.80 | 38.84 | 54.30 | |||||||||||||
1958 | 35.77 | a | 42.18 | 45.10 | 52.47 | 70.84 | f | 73.93 | a | 84.97 | 82.61 | 67.13 | 59.90 | 40.93 | 36.94 | 56.54 | a | |||||||||
1959 | 34.29 | 36.79 | 43.42 | 53.53 | 57.06 | 66.13 | g | 79.68 | f | 70.95 | i | 62.53 | 56.71 | 43.20 | 36.81 | 47.15 | c | |||||||||
1960 | 31.65 | 38.45 | 43.74 | 51.60 | 55.84 | 66.93 | 80.81 | d | 70.87 | 70.37 | 59.17 | a | 41.30 | 34.29 | 53.75 | |||||||||||
1961 | 36.00 | 40.36 | 45.32 | 49.13 | 59.42 | 76.07 | 79.16 | 84.81 | 64.87 | 54.32 | 38.37 | 34.52 | 55.19 | |||||||||||||
1962 | 34.48 | 40.71 | 42.81 | 56.17 | 54.45 | 67.67 | 76.87 | h | 72.48 | 72.43 | 56.52 | 43.63 | 37.97 | 52.67 | a | |||||||||||
1963 | 34.23 | 46.54 | 46.68 | 48.30 | 62.77 | a | 65.13 | 70.13 | 76.87 | 76.17 | 57.81 | 41.47 | 32.19 | 54.86 | ||||||||||||
1964 | 35.87 | 42.66 | 41.61 | 47.23 | 57.58 | 64.70 | 73.77 | 69.77 | 65.17 | 57.74 | 39.20 | 29.58 | 52.07 | |||||||||||||
1965 | 35.42 | 39.75 | 47.87 | 55.03 | 58.10 | 68.67 | 78.77 | 75.52 | 67.90 | 59.81 | 44.73 | 34.87 | 55.54 | |||||||||||||
1966 | 34.52 | 39.54 | 44.35 | 54.10 | 63.16 | 64.33 | 72.61 | 76.65 | 73.60 | 57.06 | 44.67 | 38.10 | 55.22 | |||||||||||||
1967 | 38.26 | 42.25 | 43.03 | 48.20 | 60.55 | 72.53 | 78.16 | 85.39 | 77.13 | 53.68 | 44.30 | 35.65 | 56.59 | |||||||||||||
1968 | 34.68 | 44.10 | 48.35 | 49.23 | 60.87 | 65.90 | 78.63 | a | 70.77 | 67.93 | 51.68 | 40.97 | 31.56 | d | 53.72 | |||||||||||
1969 | 23.50 | k | 36.00 | b | 47.19 | 50.68 | b | 66.23 | 74.37 | 74.03 | 73.97 | 67.63 | 53.29 | 44.23 | 34.30 | a | 56.54 | a | ||||||||
1970 | 31.17 | a | 41.30 | r | 45.10 | 45.73 | 60.03 | 72.83 | a | 77.90 | b | 79.81 | 63.20 | 54.58 | 40.57 | b | 32.10 | a | 54.82 | a | ||||||
1971 | 36.17 | b | 40.80 | c | 38.45 | 50.03 | 62.00 | 61.03 | 78.77 | 83.23 | 64.17 | 55.03 | a | 41.14 | a | ----- | z | 55.53 | a | |||||||
1972 | 31.35 | k | 36.55 | 43.45 | 46.76 | a | 63.97 | 66.50 | 75.48 | 78.77 | 62.57 | 59.23 | ----- | z | 30.79 | b | 56.41 | b | ||||||||
1973 | 31.58 | 40.07 | 45.32 | 54.00 | 64.82 | c | 65.73 | 78.06 | 76.29 | 70.10 | a | 53.19 | 34.87 | 35.13 | 54.10 | |||||||||||
1974 | 29.34 | b | 37.93 | 42.52 | 48.00 | 53.77 | 70.13 | 73.10 | 78.90 | a | 76.13 | 62.16 | 42.63 | 36.71 | 54.28 | |||||||||||
1975 | 32.39 | 31.93 | 41.06 | 47.10 | 59.10 | 64.93 | a | 78.55 | 69.68 | 73.97 | ----- | z | 38.57 | 37.61 | 52.26 | a | ||||||||||
1976 | 37.26 | 37.97 | 40.71 | 49.07 | b | 60.34 | b | 63.79 | a | 74.45 | 70.10 | 73.26 | c | 59.23 | 44.28 | e | 36.48 | 53.91 | ||||||||
1977 | 31.78 | d | 40.86 | 42.71 | 57.33 | 57.13 | 72.38 | a | 74.55 | 83.28 | b | ----- | z | ----- | z | ----- | z | ----- | z | 57.50 | d | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 32.60 | 37.89 | 44.45 | 52.53 | 61.22 | 68.03 | 76.89 | 77.15 | 69.63 | 56.79 | 41.89 | 34.66 | 54.55 | |||||||||||||
S.D. | 4.21 | 3.95 | 3.93 | 4.51 | 4.03 | 3.62 | 3.32 | 4.01 | 4.81 | 3.76 | 3.12 | 3.26 | 1.78 | |||||||||||||
SKEW | -1.05 | -0.73 | 0.84 | 0.56 | 0.14 | 0.34 | -0.11 | -0.09 | 0.00 | 0.82 | 0.20 | -0.38 | 0.28 | |||||||||||||
MAX | 40.29 | 46.54 | 56.19 | 65.67 | 68.42 | 76.07 | 84.97 | 85.39 | 79.33 | 69.32 | 49.90 | 40.58 | 58.93 | |||||||||||||
MIN | 18.71 | 23.59 | 36.55 | 45.00 | 53.77 | 61.03 | 68.23 | 68.97 | 59.38 | 50.07 | 34.53 | 26.35 | 50.69 | |||||||||||||
YRS | 65 | 67 | 69 | 67 | 68 | 67 | 67 | 68 | 67 | 64 | 68 | 66 | 47 |