YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1910 | ----- | z | ----- | z | ----- | z | 70.83 | f | 78.94 | 81.10 | 91.90 | 82.81 | 75.90 | 57.86 | j | 42.07 | 35.20 | f | 75.45 | f | ||||||
1911 | 30.93 | a | 38.86 | 53.94 | 65.40 | 68.32 | 81.17 | 88.13 | 85.84 | 71.80 | 61.35 | 37.30 | 34.62 | e | 59.80 | |||||||||||
1912 | 28.32 | 40.62 | 49.39 | 60.20 | 69.97 | 82.83 | 78.64 | c | 79.57 | a | 69.77 | 53.13 | 40.73 | 33.94 | 57.26 | |||||||||||
1913 | 27.26 | 32.08 | b | 43.10 | 62.57 | 68.58 | 76.71 | b | 80.84 | f | 85.04 | d | 75.80 | 53.71 | 40.30 | 32.94 | 54.37 | a | ||||||||
1914 | 35.45 | 36.50 | 51.45 | 62.87 | 72.61 | 75.48 | a | 89.61 | 90.17 | b | 68.50 | 58.19 | 43.17 | a | 26.00 | 59.17 | ||||||||||
1915 | 29.32 | 40.43 | 55.26 | 68.80 | 68.19 | 77.38 | a | 81.16 | 92.68 | 71.90 | 59.39 | 38.13 | 31.74 | 59.53 | ||||||||||||
1916 | 19.00 | 36.97 | 46.97 | 62.17 | 66.10 | a | 75.77 | 80.13 | 86.03 | a | 75.24 | a | 59.48 | 36.90 | 24.77 | 55.79 | ||||||||||
1917 | 27.77 | 33.86 | 41.71 | 54.37 | 69.97 | 74.50 | b | 90.03 | 90.97 | 74.93 | 61.94 | 44.83 | 34.00 | 58.24 | ||||||||||||
1918 | 33.55 | 34.75 | 48.29 | 65.79 | a | 68.71 | 83.43 | 88.83 | a | 80.39 | 85.27 | 58.50 | c | 41.60 | 33.13 | 60.19 | ||||||||||
1919 | 32.90 | 37.22 | a | 48.58 | 64.87 | 70.30 | a | 78.60 | 91.03 | 88.71 | 75.17 | 56.13 | a | 37.38 | a | 26.90 | 58.98 | |||||||||
1920 | 28.32 | 41.10 | 48.19 | 55.73 | 66.39 | 75.66 | a | 92.93 | c | 87.26 | 71.93 | 54.74 | 43.23 | 35.55 | 58.42 | |||||||||||
1921 | 33.68 | 37.50 | 48.10 | 57.80 | 74.90 | a | 79.17 | a | 87.55 | 87.90 | 66.63 | 61.23 | 39.40 | 29.26 | 58.59 | |||||||||||
1922 | 26.48 | 29.36 | 43.87 | 58.79 | a | 70.03 | 85.87 | 90.65 | 89.00 | 76.37 | 61.81 | 38.50 | 24.65 | 57.95 | ||||||||||||
1923 | 33.16 | 32.57 | 49.29 | 64.07 | a | 70.19 | 75.97 | 88.50 | a | 87.06 | 80.30 | 63.06 | 41.37 | 35.10 | 60.05 | |||||||||||
1924 | 25.58 | 43.72 | 51.10 | 62.43 | 80.32 | 79.33 | 91.68 | 86.19 | e | 78.07 | 58.00 | 39.47 | 24.60 | a | 60.04 | |||||||||||
1925 | 30.67 | a | 43.57 | 51.03 | 68.04 | b | 75.97 | a | 81.63 | 92.58 | 85.71 | 76.50 | 59.32 | 40.93 | 39.33 | s | 64.18 | a | ||||||||
1926 | 32.13 | a | 43.38 | b | 56.87 | 68.37 | 69.84 | 81.33 | 92.68 | 83.42 | 66.60 | 57.55 | 43.17 | 32.37 | a | 60.64 | ||||||||||
1927 | 31.47 | a | 38.86 | 47.87 | 60.30 | 65.03 | a | 77.30 | 88.48 | 86.84 | 70.67 | 56.10 | 39.40 | 24.43 | a | 57.23 | ||||||||||
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1930 | 14.77 | 39.50 | 52.52 | 66.73 | 69.26 | 74.93 | 89.13 | a | 89.93 | a | 77.77 | 54.87 | a | 37.30 | 32.35 | 58.26 | ||||||||||
1931 | 34.58 | 36.82 | 49.13 | 63.00 | 76.29 | 74.82 | b | 90.52 | b | 89.97 | 70.07 | 59.77 | 38.20 | 30.45 | 59.47 | |||||||||||
1932 | 28.23 | 32.90 | 44.65 | 61.34 | a | 71.26 | 83.17 | 85.26 | 86.97 | 78.31 | a | 57.58 | 42.17 | 32.26 | d | 58.67 | ||||||||||
1933 | 33.83 | a | 30.26 | a | 43.87 | 61.63 | 66.19 | 79.93 | 88.90 | 90.39 | 67.23 | 57.97 | 42.67 | 36.23 | 58.26 | |||||||||||
1934 | 36.31 | b | 42.18 | 53.68 | 71.33 | 75.29 | 81.80 | 88.55 | 89.97 | 68.70 | 54.97 | a | 45.53 | 33.58 | 61.82 | |||||||||||
1935 | 30.58 | 39.00 | 42.55 | 58.47 | 71.77 | 74.96 | f | 86.06 | 85.10 | 79.17 | 56.77 | 37.52 | a | 33.65 | 56.42 | a | ||||||||||
1936 | 31.68 | 21.18 | a | 44.65 | 64.10 | 77.29 | 79.67 | 90.61 | 88.77 | 74.77 | 66.30 | a | 38.61 | b | 33.48 | 59.26 | ||||||||||
1937 | 16.10 | 35.32 | 51.42 | 58.27 | 74.55 | 80.80 | 90.19 | 83.23 | 79.03 | 62.26 | 42.79 | b | 34.26 | 59.02 | ||||||||||||
1938 | 33.65 | 37.68 | 46.87 | 64.63 | 73.90 | 87.53 | 95.61 | c | 86.55 | 86.57 | 61.45 | 39.10 | 31.65 | 62.10 | ||||||||||||
1939 | 35.35 | 34.93 | 48.03 | a | 67.70 | 76.87 | a | 72.76 | a | 88.77 | 90.35 | 77.67 | 57.19 | 42.97 | a | 38.68 | 60.94 | |||||||||
1940 | 32.32 | 37.62 | 52.87 | 62.57 | 74.06 | 84.48 | a | 87.84 | 86.81 | 78.77 | 58.32 | 37.17 | 33.74 | 60.55 | ||||||||||||
1941 | 34.61 | 40.96 | 57.94 | 66.93 | 72.00 | 75.53 | 89.73 | a | 82.58 | 64.13 | 56.13 | 44.40 | 36.39 | 60.11 | ||||||||||||
1942 | 28.81 | 38.86 | 51.10 | 65.90 | 67.29 | 72.77 | 86.19 | 88.97 | 80.80 | 63.29 | 39.07 | 33.03 | 59.67 | |||||||||||||
1943 | 23.58 | 41.14 | 45.87 | 65.93 | 67.35 | 73.37 | 86.61 | 83.77 | a | 82.30 | 61.35 | 42.79 | a | 31.87 | 58.83 | |||||||||||
1944 | 30.35 | 39.52 | 48.29 | 64.53 | 72.23 | a | 76.67 | 88.58 | 85.13 | 81.07 | 65.42 | 42.80 | 29.81 | 60.37 | ||||||||||||
1945 | 33.42 | 38.96 | 47.79 | b | 57.90 | 73.10 | 77.60 | 91.68 | 92.03 | 75.43 | 61.65 | 39.14 | a | 32.61 | 60.11 | |||||||||||
1946 | 33.03 | 39.07 | 51.48 | 61.79 | a | 77.06 | 76.23 | 87.63 | a | 82.83 | g | 65.96 | f | 52.39 | h | 33.88 | e | 28.94 | 54.35 | c | ||||||
1947 | 24.90 | b | 36.54 | b | 50.93 | d | 60.79 | f | ----- | z | 70.87 | 84.64 | c | 79.94 | 73.77 | 57.29 | 40.13 | 34.71 | 55.37 | b | ||||||
1948 | 30.52 | 35.83 | ----- | z | ----- | z | ----- | z | 85.79 | a | 84.23 | 80.00 | 76.67 | 59.61 | 41.93 | 26.17 | b | 57.86 | c | |||||||
1949 | 20.52 | 33.57 | 49.03 | 67.97 | 79.43 | a | 80.40 | 88.16 | 88.83 | a | 81.77 | 59.55 | 46.60 | 34.23 | 60.84 | |||||||||||
1950 | 15.90 | 35.75 | 43.65 | 60.00 | 71.26 | 80.00 | 91.35 | 91.87 | 83.70 | 54.48 | 41.03 | 37.42 | 58.87 | |||||||||||||
1951 | 31.58 | 38.39 | 46.48 | 67.87 | 73.16 | 78.57 | 91.23 | 86.32 | 76.87 | 54.65 | 41.10 | 27.45 | 59.47 | |||||||||||||
1952 | 29.23 | 39.14 | 49.26 | 66.03 | 73.90 | 77.13 | 89.23 | 88.84 | 83.77 | 69.77 | 40.87 | 35.32 | 61.87 | |||||||||||||
1953 | 38.06 | 43.04 | 54.42 | 58.45 | a | 72.65 | 72.53 | 88.77 | a | 85.55 | b | 77.28 | a | 61.03 | 45.20 | 35.58 | 61.05 | |||||||||
1954 | 29.84 | 40.71 | 49.77 | 57.59 | c | 74.26 | 73.57 | 83.77 | 79.90 | 72.33 | 56.84 | 46.77 | 34.81 | 58.35 | ||||||||||||
1955 | 33.94 | 35.82 | 40.65 | 53.93 | 65.10 | 79.00 | 80.35 | 88.00 | 76.27 | 57.77 | 34.73 | 28.39 | 56.16 | |||||||||||||
1956 | 32.23 | 32.54 | a | 45.29 | 67.03 | 77.68 | 73.17 | 89.72 | b | 88.45 | 79.33 | 58.61 | 37.47 | 33.06 | 59.55 | |||||||||||
1957 | 21.23 | 35.68 | 48.06 | 63.33 | 77.45 | 77.37 | 84.39 | 81.48 | 81.27 | 56.48 | 42.43 | 35.45 | 58.72 | |||||||||||||
1958 | 35.68 | 43.68 | 51.77 | 60.23 | 80.29 | 82.47 | 89.81 | 92.06 | 74.37 | 59.71 | 38.63 | 33.10 | 61.82 | |||||||||||||
1959 | 31.26 | 36.36 | 48.58 | 64.47 | 67.13 | 75.57 | 88.65 | 79.39 | 68.37 | 54.97 | 37.60 | 32.29 | 57.05 | |||||||||||||
1960 | 26.35 | 38.97 | 49.35 | 60.17 | 64.87 | 77.70 | 92.29 | 78.87 | 76.37 | 59.45 | 40.63 | 30.81 | 57.99 | |||||||||||||
1961 | 33.68 | 40.29 | 51.13 | 58.50 | 68.97 | a | 84.13 | 87.32 | 90.00 | 72.43 | 54.32 | 37.79 | a | 31.55 | 59.18 | |||||||||||
1962 | 26.61 | 38.36 | 47.03 | 64.97 | 66.45 | 77.67 | 84.39 | 80.40 | a | 78.40 | 57.00 | 44.50 | 35.97 | 58.48 | ||||||||||||
1963 | 29.90 | 40.61 | 53.10 | 59.33 | 71.26 | 77.00 | 81.10 | 85.42 | 81.10 | 61.30 | a | 41.57 | 32.26 | 59.49 | ||||||||||||
1964 | 34.00 | 40.17 | 45.68 | 58.70 | 68.23 | 75.77 | 84.16 | 78.32 | 70.63 | 60.13 | 40.47 | 28.35 | 57.05 | |||||||||||||
1965 | 33.97 | 38.25 | 46.97 | a | 61.53 | 67.81 | 78.67 | 86.90 | 84.03 | 69.87 | 62.19 | 43.53 | 34.16 | 58.99 | ||||||||||||
1966 | 33.19 | 40.68 | 49.65 | 62.63 | 74.65 | 75.07 | 84.13 | 85.55 | 80.17 | 57.16 | 42.90 | 36.35 | 60.18 | |||||||||||||
1967 | 36.03 | 42.96 | 48.03 | 57.17 | 69.87 | 82.87 | 89.23 | a | 94.06 | 84.30 | 55.94 | 43.30 | 31.13 | 61.24 | ||||||||||||
1968 | 32.29 | 42.45 | 52.45 | 57.87 | 70.16 | 75.53 | 88.10 | 79.03 | 71.93 | 53.43 | a | 40.70 | 28.42 | 57.70 | ||||||||||||
1969 | 23.57 | a | 36.96 | 52.23 | 60.70 | 74.06 | 81.57 | 83.87 | 85.84 | 73.10 | 55.35 | 41.86 | a | 33.81 | 58.58 | |||||||||||
1970 | 30.32 | 42.54 | 50.39 | 57.10 | 73.61 | 81.90 | 88.06 | 89.35 | 69.67 | 56.42 | 40.17 | 31.29 | 59.24 | |||||||||||||
1971 | 30.61 | 39.63 | a | 43.43 | a | 60.07 | 73.94 | 72.33 | 85.77 | 91.90 | 68.77 | 55.97 | 41.00 | 29.06 | 57.71 | |||||||||||
1972 | 27.42 | 38.03 | 49.42 | 57.77 | 73.06 | 73.90 | 81.94 | 87.50 | a | 69.13 | 59.13 | 41.60 | ----- | z | 59.90 | a | ||||||||||
1973 | 30.06 | 41.14 | 51.10 | 62.07 | a | 72.87 | 77.38 | a | 89.90 | 87.94 | 75.30 | 55.03 | 38.03 | a | 36.10 | 59.74 | ||||||||||
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | 18.10 | 35.50 | 53.87 | 60.10 | 72.10 | 81.03 | 88.71 | 88.32 | 78.43 | 62.90 | 37.30 | 37.26 | 59.47 | |||||||||||||
1980 | 26.32 | 37.03 | 49.37 | a | 66.76 | a | 70.65 | 73.83 | 83.97 | 79.87 | 72.80 | 60.68 | 42.27 | 33.13 | 58.06 | |||||||||||
1981 | 36.39 | 41.14 | 56.48 | 60.70 | 68.48 | 71.03 | a | 81.19 | 89.26 | 75.37 | 53.94 | 43.13 | 32.23 | 59.11 | ||||||||||||
1982 | 29.97 | 36.04 | a | 50.03 | 59.67 | 72.27 | a | 83.37 | 81.83 | a | 82.26 | 73.57 | 57.03 | 36.54 | d | 31.19 | 57.81 | |||||||||
1983 | 34.26 | 40.29 | 53.03 | 62.83 | 74.74 | 75.03 | a | 77.45 | 84.26 | 70.43 | 57.35 | 44.07 | 24.06 | 58.15 | ||||||||||||
1984 | 30.00 | 38.96 | a | 52.90 | 59.83 | 64.68 | 74.43 | 87.42 | 86.29 | 69.83 | 53.94 | 37.76 | a | 24.42 | 56.71 | |||||||||||
1985 | 28.10 | 35.14 | 49.03 | 63.33 | 73.97 | 79.50 | 94.32 | 82.97 | a | 65.60 | 53.55 | 27.57 | 25.45 | 56.54 | ||||||||||||
1986 | 34.00 | 39.29 | 54.29 | 59.30 | 68.00 | e | 82.58 | d | 80.04 | c | 93.10 | a | 68.48 | c | 60.46 | g | ----- | z | ----- | z | 64.34 | c | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 29.81 | 37.95 | 49.33 | 62.14 | 71.72 | 78.17 | 87.43 | 86.25 | 74.99 | 58.39 | 40.51 | 31.85 | 59.09 | |||||||||||||
S.D. | 5.16 | 3.84 | 3.72 | 3.81 | 3.95 | 3.88 | 3.92 | 4.01 | 5.19 | 3.36 | 3.19 | 3.69 | 1.43 | |||||||||||||
SKEW | -1.17 | -1.38 | -0.09 | 0.13 | 0.20 | 0.25 | -0.54 | -0.27 | 0.08 | 0.75 | -0.89 | -0.61 | -0.00 | |||||||||||||
MAX | 38.06 | 43.72 | 57.94 | 71.33 | 80.32 | 87.53 | 95.61 | 94.06 | 86.57 | 69.77 | 46.77 | 38.68 | 62.10 | |||||||||||||
MIN | 14.77 | 21.18 | 40.65 | 53.93 | 64.68 | 70.87 | 77.45 | 78.32 | 64.13 | 53.13 | 27.57 | 24.06 | 55.79 | |||||||||||||
YRS | 69 | 69 | 68 | 67 | 68 | 69 | 69 | 69 | 69 | 67 | 69 | 66 | 61 |