YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1910 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 67.83 | 57.87 | 28.57 | 20.19 | 43.62 | h | ||||
1911 | 14.39 | 26.64 | 39.45 | 53.73 | 70.77 | 81.07 | 79.03 | 73.48 | 63.97 | 51.03 | 28.24 | a | 25.00 | 50.57 | ||||||||||||
1912 | 0.80 | a | 17.41 | 30.35 | 55.17 | 65.30 | a | 73.50 | 78.94 | 69.63 | a | 67.20 | 56.20 | p | 39.43 | 26.65 | 47.67 | a | ||||||||
1913 | 16.37 | a | 16.89 | 27.42 | 57.41 | a | 60.97 | 77.70 | 76.48 | 77.87 | 66.28 | a | 49.29 | 42.33 | 32.55 | 50.13 | ||||||||||
1914 | 22.23 | 13.93 | 34.23 | 47.23 | 68.23 | 76.55 | a | 83.68 | 74.81 | 68.50 | 61.13 | 35.90 | 18.06 | 50.37 | ||||||||||||
1915 | 15.87 | 30.00 | 37.32 | 62.73 | 60.55 | 69.13 | 75.26 | 77.19 | 67.40 | 56.14 | b | 34.77 | 23.36 | f | 53.31 | a | ||||||||||
1916 | 13.61 | 17.54 | a | 30.39 | 49.70 | 60.90 | 69.00 | 86.65 | 76.71 | 65.23 | 49.45 | 36.27 | 17.19 | 47.72 | ||||||||||||
1917 | 13.76 | b | 11.71 | 33.58 | 46.03 | a | 64.26 | 72.23 | 82.23 | a | 73.84 | 66.83 | 40.03 | 42.10 | 12.42 | 46.59 | ||||||||||
1918 | 8.68 | 21.43 | 44.10 | 55.52 | a | 65.17 | a | 73.93 | 80.07 | b | 80.42 | 63.30 | 53.52 | 40.63 | 26.48 | 51.10 | ||||||||||
1919 | 25.10 | 23.07 | a | 33.39 | 52.43 | 68.90 | 77.80 | 82.42 | 77.13 | 72.50 | 48.13 | 29.27 | 12.84 | 50.25 | ||||||||||||
1920 | 11.32 | 22.10 | 35.97 | 44.10 | 67.06 | 75.50 | 78.00 | 79.26 | 72.10 | 62.55 | 33.50 | 23.68 | 50.43 | |||||||||||||
1921 | 24.10 | 28.00 | 35.65 | 56.80 | 68.68 | 79.80 | 85.48 | 78.16 | 67.83 | 56.42 | 27.73 | 22.13 | 52.56 | |||||||||||||
1922 | 15.87 | 20.71 | 36.84 | 51.07 | 73.03 | a | 76.10 | 77.45 | 79.32 | 72.27 | 57.58 | 39.13 | 17.84 | 51.43 | ||||||||||||
1923 | 20.29 | 17.67 | a | 25.57 | a | 50.17 | 68.93 | a | 81.17 | 82.90 | 74.74 | 69.31 | a | 55.80 | a | 43.30 | 31.23 | 51.76 | ||||||||
1924 | 9.52 | 26.59 | 35.35 | 48.97 | 58.58 | 71.40 | 78.06 | 74.26 | 65.43 | 64.06 | 33.53 | 12.16 | 48.16 | |||||||||||||
1925 | 18.29 | 25.04 | 38.82 | c | 56.55 | a | 65.58 | 72.33 | 78.45 | 79.61 | 67.63 | 40.26 | 35.47 | 18.94 | 49.75 | |||||||||||
1926 | 19.13 | 24.39 | 28.74 | 50.40 | 69.26 | 68.80 | 79.52 | 74.87 | 57.97 | a | 48.55 | 26.53 | 17.39 | 47.13 | ||||||||||||
1927 | 15.39 | 24.71 | 39.13 | 50.03 | 58.19 | 72.83 | 77.42 | 74.26 | 70.43 | 58.13 | 31.03 | 10.32 | 48.49 | |||||||||||||
1928 | 17.45 | 22.93 | 34.81 | 43.50 | 69.77 | 69.50 | 77.19 | 76.23 | 61.63 | 53.03 | 39.37 | 25.61 | 49.25 | |||||||||||||
1929 | 5.00 | 16.25 | 36.63 | a | 52.20 | 62.00 | 74.40 | 82.32 | 79.61 | 64.73 | 55.97 | 32.73 | 17.74 | 48.30 | ||||||||||||
1930 | 9.48 | 28.11 | 35.71 | 55.87 | 65.03 | 76.67 | 80.65 | 83.81 | 68.47 | 52.13 | 39.30 | 24.71 | 51.66 | |||||||||||||
1931 | 23.00 | k | 34.46 | 35.74 | 58.10 | 64.68 | 78.03 | 83.03 | 76.26 | 74.20 | 61.16 | 43.07 | 30.68 | 58.13 | a | |||||||||||
1932 | 23.06 | 24.10 | 27.23 | 53.00 | 67.10 | 80.23 | 79.97 | 79.68 | 69.00 | 50.19 | 33.37 | 19.39 | 50.53 | |||||||||||||
1933 | 25.30 | a | 16.86 | 32.38 | e | 49.20 | 67.03 | 84.00 | a | 82.65 | 76.55 | 71.17 | 49.23 | 30.63 | 15.52 | 50.04 | ||||||||||
1934 | 23.87 | 19.68 | 31.84 | 47.83 | 74.26 | 76.37 | 80.23 | 69.94 | m | 64.03 | 57.32 | 40.27 | 18.52 | 48.56 | a | |||||||||||
1935 | 13.16 | 29.32 | 34.10 | 48.33 | 61.83 | a | 68.13 | 83.61 | 75.48 | 63.73 | 52.32 | 28.07 | 21.70 | a | 48.32 | |||||||||||
1936 | 9.58 | 8.24 | 32.58 | 43.70 | 68.45 | 73.43 | 86.97 | 77.16 | 70.38 | a | 47.55 | 29.70 | 24.29 | 47.67 | ||||||||||||
1937 | 11.65 | 21.07 | 33.61 | 46.37 | 67.84 | 75.80 | 81.42 | 82.55 | 68.03 | 49.35 | 32.97 | 20.35 | 49.25 | |||||||||||||
1938 | 15.29 | 27.64 | 45.71 | 52.57 | 62.58 | 74.66 | a | 80.06 | 81.97 | 68.20 | 60.81 | 31.87 | 21.19 | 51.88 | ||||||||||||
1939 | 22.26 | 14.96 | 32.33 | a | 49.50 | 69.10 | 74.90 | 82.45 | 78.71 | 68.70 | 50.58 | 42.83 | 32.58 | 51.58 | ||||||||||||
1940 | 15.16 | 25.96 | a | 29.42 | 49.62 | a | 63.23 | 72.57 | 80.55 | 73.16 | 72.50 | 56.20 | a | 30.33 | 23.97 | 49.39 | ||||||||||
1941 | 18.58 | 21.54 | 33.97 | 57.57 | 71.39 | 75.83 | 82.52 | 75.26 | 67.17 | 55.71 | 36.03 | 27.48 | 51.92 | |||||||||||||
1942 | 23.81 | 24.29 | 39.16 | 61.70 | 64.26 | 73.23 | 78.42 | 77.32 | 64.53 | 57.77 | 35.70 | 15.90 | 51.34 | |||||||||||||
1943 | 11.10 | 25.93 | 28.87 | 51.23 | 64.13 | 75.47 | 84.48 | 78.03 | 65.43 | 58.39 | 30.70 | 25.26 | 49.92 | |||||||||||||
1944 | 27.68 | 23.00 | 31.32 | 52.90 | 68.94 | 76.20 | 78.61 | 77.61 | 66.30 | 59.29 | 38.27 | 21.07 | a | 51.77 | ||||||||||||
1945 | 15.74 | 25.25 | 47.19 | 48.17 | 61.16 | 70.27 | 77.06 | 76.94 | 64.00 | 54.94 | 31.13 | 16.45 | 49.03 | |||||||||||||
1946 | 17.90 | 18.75 | 48.29 | 54.45 | a | 64.42 | 75.03 | 81.19 | 76.61 | 66.47 | 54.35 | 37.33 | 20.06 | 51.24 | ||||||||||||
1947 | 22.23 | 19.93 | 34.16 | 46.30 | 60.87 | 70.43 | 82.19 | 81.32 | 66.17 | 64.13 | 30.38 | a | 20.68 | 49.90 | ||||||||||||
1948 | 15.90 | 20.46 | a | 35.87 | a | 54.33 | 67.87 | 73.07 | 80.39 | 79.29 | 74.87 | 59.55 | 36.73 | 22.52 | 51.74 | |||||||||||
1949 | 20.26 | 19.50 | 32.06 | 57.10 | 69.52 | 77.86 | a | 79.74 | 80.39 | 65.77 | 56.39 | 37.77 | 22.10 | 51.54 | ||||||||||||
1950 | 10.68 | 24.25 | 29.87 | 39.60 | 62.10 | 74.47 | 76.35 | 72.58 | 68.45 | a | 56.58 | 30.27 | 16.52 | 46.81 | ||||||||||||
1951 | 16.55 | 23.96 | 30.97 | 49.17 | 71.13 | 72.30 | 79.26 | 70.90 | 61.17 | 51.87 | 29.47 | 19.33 | a | 48.01 | ||||||||||||
1952 | 19.39 | 30.10 | 33.60 | a | 61.57 | 67.94 | 77.97 | 80.26 | 76.26 | 69.23 | 52.10 | 39.27 | 27.58 | 52.94 | ||||||||||||
1953 | 21.29 | 25.14 | 36.68 | 48.47 | 65.13 | 76.53 | 79.32 | 80.32 | 66.07 | 64.65 | 42.60 | 23.68 | 52.49 | |||||||||||||
1954 | 14.19 | 36.11 | 34.16 | 50.43 | 58.19 | 77.40 | 81.35 | 77.45 | 64.40 | 53.48 | 39.87 | 25.97 | 51.08 | |||||||||||||
1955 | 19.03 | 22.64 | 32.90 | b | 59.57 | 71.13 | 76.57 | 83.42 | 81.26 | 66.60 | 57.94 | 29.10 | 17.23 | 51.45 | ||||||||||||
1956 | 24.10 | 24.21 | 32.90 | 47.40 | 63.68 | 79.60 | 75.87 | 75.87 | a | 65.03 | 64.03 | 37.17 | 24.26 | 51.18 | ||||||||||||
1957 | 11.35 | 23.64 | 38.10 | 52.23 | 67.23 | 74.00 | 83.10 | 77.94 | 67.43 | 56.52 | 35.40 | 26.19 | 51.09 | |||||||||||||
1958 | 24.77 | 24.32 | 40.19 | 58.20 | 69.68 | 70.23 | 78.81 | 78.61 | 67.83 | 58.29 | 38.93 | 14.23 | 52.01 | |||||||||||||
1959 | 12.81 | 24.14 | 40.29 | 53.33 | 67.65 | 77.60 | 82.13 | 80.84 | 68.03 | 48.39 | 27.33 | 31.29 | 51.15 | |||||||||||||
1960 | 20.81 | 26.41 | 30.19 | 51.07 | 66.23 | 74.57 | 81.48 | 80.23 | 68.20 | 56.42 | 37.53 | 20.19 | 51.11 | |||||||||||||
1961 | 16.94 | 33.25 | 42.65 | 47.30 | 67.58 | 81.67 | 81.03 | 84.10 | 67.63 | 57.61 | 36.10 | 20.87 | 53.06 | |||||||||||||
1962 | 13.81 | 19.75 | 37.29 | 49.73 | 67.13 | 75.20 | 76.39 | 78.55 | 65.53 | 57.52 | 40.23 | 24.82 | c | 50.50 | ||||||||||||
1963 | 7.56 | d | 18.43 | e | 39.84 | 54.60 | 62.55 | 76.53 | 80.13 | 76.65 | 68.80 | 66.81 | 41.37 | 16.20 | a | 50.79 | ||||||||||
1964 | 25.73 | a | 28.41 | 31.71 | 53.47 | 69.19 | 73.10 | 81.45 | 71.06 | 62.90 | 54.13 | 38.27 | 16.90 | 50.53 | ||||||||||||
1965 | 15.16 | 16.64 | 27.00 | 48.47 | 65.45 | 72.13 | 75.03 | 74.42 | 55.83 | a | 54.45 | 34.43 | 27.42 | 47.20 | ||||||||||||
1966 | 6.94 | 21.86 | 38.13 | 44.30 | 60.42 | 75.30 | 81.47 | a | 74.29 | 66.77 | 53.52 | 32.27 | 21.13 | 48.03 | ||||||||||||
1967 | 19.10 | 16.11 | 35.32 | 48.37 | 59.55 | 72.10 | 76.58 | 73.58 | 68.97 | 50.84 | 32.70 | 24.00 | 48.10 | |||||||||||||
1968 | 18.61 | 21.66 | 43.10 | 51.93 | 60.74 | 71.57 | 75.55 | 73.58 | 65.93 | 55.32 | 34.77 | 18.90 | 49.31 | |||||||||||||
1969 | 14.71 | 25.46 | 33.26 | 53.97 | a | 65.26 | 65.90 | 76.55 | 80.23 | 65.20 | 47.39 | 35.60 | 23.90 | 48.95 | ||||||||||||
1970 | 11.68 | 21.68 | 32.23 | 48.30 | 59.16 | 75.63 | 81.74 | 78.74 | 66.03 | 53.32 | 32.87 | 19.90 | a | 48.44 | ||||||||||||
1971 | 8.42 | 23.68 | 32.23 | 51.10 | 63.48 | 77.00 | 74.13 | 75.39 | 67.20 | 56.16 | 33.47 | 22.03 | 48.69 | |||||||||||||
1972 | 10.32 | 17.07 | 29.94 | 45.87 | 70.42 | 75.57 | 74.32 | 75.45 | 62.17 | 49.26 | 31.70 | 14.45 | 46.38 | |||||||||||||
1973 | 23.74 | 25.61 | 44.03 | 50.59 | a | 63.06 | 74.41 | a | 77.16 | 77.55 | 65.63 | 58.32 | 34.73 | 21.13 | 51.33 | |||||||||||
1974 | 16.10 | 24.86 | 31.74 | 52.47 | 59.10 | 74.66 | a | 82.19 | 72.94 | 60.60 | 54.71 | 36.73 | 27.71 | 49.48 | ||||||||||||
1975 | 18.58 | 22.50 | 29.32 | 43.97 | 70.19 | 72.37 | 81.45 | 75.03 | 61.97 | 55.87 | a | 39.70 | 19.87 | a | 49.23 | |||||||||||
1976 | 15.39 | 30.86 | 32.84 | 58.63 | 68.68 | 77.73 | 81.39 | 80.57 | a | 69.40 | 48.81 | 29.57 | 13.87 | a | 50.64 | |||||||||||
1977 | 8.81 | 26.14 | 43.74 | 60.07 | 76.50 | a | 74.43 | 79.81 | ----- | z | 62.97 | 55.00 | ----- | z | 17.35 | 50.48 | b | |||||||||
1978 | 12.65 | 19.56 | c | ----- | z | ----- | z | 72.83 | s | 74.73 | 78.00 | 75.00 | w | ----- | z | ----- | z | ----- | z | ----- | z | 46.23 | h | |||
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 72.48 | 67.38 | a | 49.65 | 33.17 | 30.03 | 50.54 | g | ||||
1980 | 19.35 | 21.32 | a | 33.30 | a | 56.80 | 73.10 | 74.77 | 80.03 | 74.74 | ----- | z | 44.55 | i | 37.72 | a | 21.04 | d | 49.22 | b | ||||||
1981 | 22.63 | a | 27.59 | a | 41.73 | a | 52.37 | 65.71 | 71.47 | 78.73 | a | 76.65 | 64.07 | 51.11 | d | 43.52 | a | 21.43 | a | 51.42 | ||||||
1982 | 7.04 | c | 19.96 | 32.13 | 48.36 | b | 68.13 | a | 67.87 | 78.26 | 73.13 | 65.14 | a | 54.23 | a | 32.66 | a | 26.64 | c | 47.80 | ||||||
1983 | 22.03 | a | 26.89 | 35.52 | b | 48.30 | 61.42 | 73.52 | a | 83.10 | b | 82.50 | a | 67.17 | 47.33 | m | ----- | z | 5.40 | p | 55.61 | c | ||||
1984 | 16.33 | a | 33.29 | a | 33.81 | 58.41 | c | 66.40 | a | 76.93 | a | 79.73 | a | 83.04 | c | 63.80 | 56.31 | e | 35.64 | e | 20.04 | g | 54.88 | a | ||
1985 | 19.68 | l | 22.89 | 45.54 | c | 60.42 | d | 73.68 | c | 72.33 | 81.93 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 59.47 | f | ||
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1987 | 21.23 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 21.23 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 16.40 | 23.06 | 35.14 | 51.79 | 65.98 | 74.64 | 80.07 | 77.13 | 66.59 | 54.74 | 35.14 | 21.53 | 50.03 | |||||||||||||
S.D. | 5.68 | 5.13 | 5.03 | 4.93 | 4.20 | 3.43 | 2.80 | 3.19 | 3.36 | 5.14 | 4.52 | 5.10 | 1.68 | |||||||||||||
SKEW | -0.23 | -0.04 | 0.65 | 0.16 | 0.06 | 0.03 | 0.02 | 0.06 | -0.27 | -0.25 | 0.05 | 0.15 | -0.36 | |||||||||||||
MAX | 27.68 | 36.11 | 48.29 | 62.73 | 76.50 | 84.00 | 86.97 | 84.10 | 74.87 | 66.81 | 43.52 | 32.58 | 53.06 | |||||||||||||
MIN | 0.80 | 8.24 | 25.57 | 39.60 | 58.19 | 65.90 | 74.13 | 69.63 | 55.83 | 40.03 | 26.53 | 10.32 | 46.38 | |||||||||||||
YRS | 73 | 74 | 73 | 73 | 73 | 74 | 74 | 71 | 73 | 71 | 72 | 71 | 64 |