YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1921 | 21.32 | 25.61 | 33.45 | 56.30 | 67.52 | 79.20 | 82.55 | 74.87 | 64.93 | 53.77 | 26.07 | 20.71 | 50.53 | |||||||||||||
1922 | 14.71 | 16.32 | 35.68 | 49.80 | 71.39 | ----- | z | ----- | z | 84.68 | 72.13 | 56.55 | 40.57 | ----- | z | 49.09 | c | |||||||||
1923 | 18.81 | 14.54 | 21.42 | 47.63 | 66.16 | 77.83 | 77.32 | 69.00 | 64.33 | 51.55 | 39.43 | 27.65 | 47.97 | |||||||||||||
1924 | 5.61 | 22.31 | 30.35 | 42.80 | 53.81 | 64.53 | 69.81 | 67.23 | 58.57 | 57.29 | 28.53 | 8.13 | 42.41 | |||||||||||||
1925 | 11.94 | 19.25 | 29.84 | 51.03 | 59.32 | 67.00 | 72.16 | 75.55 | 61.83 | 40.32 | 34.27 | 14.42 | 44.74 | |||||||||||||
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 78.55 | 72.58 | 57.43 | 46.23 | 25.77 | 15.55 | 49.35 | f | ||||||
1927 | 12.61 | 22.86 | 35.13 | 43.80 | 54.42 | 68.23 | 72.10 | 69.52 | 65.37 | 54.32 | 26.97 | 9.16 | 44.54 | |||||||||||||
1928 | 15.13 | 19.90 | 31.52 | 39.83 | 66.19 | 66.03 | 74.16 | 73.52 | 58.07 | 49.74 | 35.13 | 23.32 | 46.05 | |||||||||||||
1929 | 0.68 | 12.61 | 33.03 | 48.87 | 60.03 | 70.43 | 75.55 | 74.10 | 59.97 | 51.32 | 27.40 | 13.45 | 43.95 | |||||||||||||
1930 | 4.03 | 24.04 | 31.00 | 52.43 | 59.48 | 71.23 | 74.84 | 76.00 | 63.37 | 48.55 | 36.63 | 22.00 | 46.97 | |||||||||||||
1931 | 22.55 | 31.86 | 33.45 | 53.67 | 61.48 | 75.20 | 78.55 | 73.65 | 70.00 | 58.68 | 40.57 | 28.35 | 52.33 | |||||||||||||
1932 | 20.71 | 21.52 | 22.52 | 47.47 | 64.32 | 75.80 | 74.77 | 75.06 | 63.23 | 44.19 | 29.30 | 17.23 | 46.34 | |||||||||||||
1933 | 21.65 | 13.21 | 30.06 | 45.67 | 64.10 | 80.23 | 80.74 | 75.58 | 68.77 | 45.61 | 25.57 | 13.00 | 47.02 | |||||||||||||
1934 | 19.65 | 14.21 | 27.16 | 43.33 | 70.65 | 71.60 | 78.32 | 73.45 | 61.67 | 53.97 | 37.67 | 15.48 | 47.26 | |||||||||||||
1935 | 9.84 | 25.18 | 29.74 | 45.43 | 61.32 | 66.17 | 81.35 | 73.13 | 61.93 | 49.65 | 25.97 | 19.71 | 45.79 | |||||||||||||
1936 | 8.35 | 6.10 | 30.68 | 40.97 | 67.29 | 70.03 | 86.84 | 77.29 | 68.60 | 45.06 | 27.00 | 23.97 | 46.02 | |||||||||||||
1937 | 10.61 | 20.14 | 30.87 | 42.47 | ----- | z | 73.30 | 79.68 | 81.45 | 66.43 | 47.87 | 31.40 | 18.87 | 45.74 | a | |||||||||||
1938 | 14.03 | 24.61 | 42.74 | 49.43 | 60.71 | 71.69 | a | 76.71 | 79.16 | 65.60 | 58.35 | 30.31 | a | 20.06 | 49.45 | |||||||||||
1939 | 21.29 | 12.79 | 30.84 | 47.00 | 66.73 | a | 71.90 | 78.23 | 74.29 | 64.77 | 47.65 | 39.87 | 30.58 | 48.83 | ||||||||||||
1940 | 13.45 | 23.55 | 26.26 | 45.90 | 60.10 | 69.90 | 76.42 | 71.29 | 69.63 | 53.26 | 27.97 | 21.50 | a | 46.60 | ||||||||||||
1941 | 18.61 | 20.68 | 32.39 | 57.03 | 68.29 | 73.23 | 80.52 | 72.81 | 64.63 | 53.03 | 34.27 | 26.23 | 50.14 | |||||||||||||
1942 | 21.87 | 21.14 | 37.35 | 58.87 | 61.60 | a | 70.67 | 74.30 | a | 73.74 | 61.30 | 56.20 | a | 33.29 | b | 15.35 | 48.81 | |||||||||
1943 | 9.65 | 23.46 | 27.93 | a | 48.63 | 62.00 | 72.07 | 79.71 | 74.52 | 61.80 | 55.39 | 28.33 | 22.80 | a | 47.19 | |||||||||||
1944 | 27.26 | 20.90 | 28.16 | 49.60 | 65.84 | 72.63 | 74.48 | 73.87 | 62.50 | 56.58 | 35.70 | 18.90 | 48.87 | |||||||||||||
1945 | 13.84 | 21.39 | 42.94 | 44.47 | 55.81 | 64.77 | 71.35 | 70.97 | 59.57 | 51.29 | 27.47 | 14.42 | 44.86 | |||||||||||||
1946 | 14.84 | 14.39 | 45.00 | 50.87 | 61.06 | 69.37 | 75.23 | 70.19 | 61.50 | 50.35 | 32.83 | 16.65 | 46.86 | |||||||||||||
1947 | 18.03 | 14.54 | 30.10 | 42.10 | 59.00 | 68.17 | 78.32 | 78.52 | 63.97 | a | 62.87 | 27.87 | 20.55 | 47.00 | ||||||||||||
1948 | 14.39 | 18.14 | 31.77 | 51.80 | 65.32 | 70.80 | 77.68 | 76.74 | 74.13 | 56.77 | 35.07 | 22.55 | 49.60 | |||||||||||||
1949 | 19.42 | 18.43 | 30.03 | 53.87 | 67.13 | 74.73 | 76.61 | 76.90 | 63.03 | 54.32 | 35.37 | 20.80 | a | 49.22 | ||||||||||||
1950 | 10.74 | 21.96 | 27.67 | a | 37.40 | 60.16 | 71.67 | 73.65 | 69.65 | 65.63 | 55.81 | 28.76 | a | 16.32 | 44.95 | |||||||||||
1951 | 14.61 | 22.79 | 28.39 | 46.50 | 69.74 | 69.13 | 75.35 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.65 | e | |||||||
1952 | 17.79 | b | 27.40 | d | 31.12 | e | 53.80 | j | ----- | z | ----- | z | ----- | z | ----- | z | 67.00 | i | 50.10 | 36.80 | 27.10 | 31.72 | f | |||
1953 | 19.81 | 22.43 | 35.00 | 45.90 | 65.61 | 75.53 | 77.90 | 78.45 | 64.40 | 62.23 | 39.63 | 22.48 | 50.78 | |||||||||||||
1954 | 13.26 | 34.36 | 32.35 | 48.27 | 55.29 | 76.17 | 78.58 | 74.81 | 61.50 | 50.48 | 38.20 | 24.52 | 48.98 | |||||||||||||
1955 | 16.97 | 20.21 | 30.83 | b | 58.70 | 70.68 | 75.57 | 83.19 | 81.39 | 64.76 | a | 56.26 | 28.83 | a | 17.61 | 50.42 | ||||||||||
1956 | 23.26 | 23.31 | 32.23 | 46.00 | 62.77 | 78.20 | 74.06 | 74.00 | a | 62.80 | 62.58 | 35.83 | 23.65 | 49.89 | ||||||||||||
1957 | 10.23 | 21.89 | 36.19 | 51.00 | 65.45 | 72.13 | 81.45 | 76.10 | 64.10 | 53.32 | 32.80 | 24.65 | 49.11 | |||||||||||||
1958 | 23.19 | 20.21 | 37.42 | 54.70 | 66.77 | 68.73 | 76.74 | 75.61 | 65.03 | 55.35 | 36.47 | 12.71 | 49.41 | |||||||||||||
1959 | 9.94 | 20.79 | 37.23 | 49.77 | 65.45 | 76.63 | 80.16 | 79.16 | 64.87 | 45.84 | 24.53 | 29.19 | 48.63 | |||||||||||||
1960 | 18.55 | 23.52 | 27.67 | a | 48.13 | 64.97 | 72.30 | 79.32 | 78.48 | 67.30 | 53.55 | 35.77 | 19.13 | 49.06 | ||||||||||||
1961 | 15.48 | 30.25 | 39.87 | 45.57 | 65.48 | 78.63 | 78.94 | 81.68 | 65.27 | 55.52 | 34.90 | 20.19 | 50.98 | |||||||||||||
1962 | 11.81 | 16.82 | 35.39 | 46.97 | 66.13 | 73.07 | 74.39 | 75.87 | 62.97 | 56.29 | 37.53 | 22.13 | 48.28 | |||||||||||||
1963 | 6.97 | b | 16.68 | 38.94 | 52.93 | 61.16 | 73.47 | 77.81 | 72.77 | 66.53 | 66.13 | 39.77 | 13.77 | 48.91 | ||||||||||||
1964 | 24.32 | 27.34 | 29.90 | 52.17 | 68.74 | 71.23 | 78.71 | 68.58 | 62.60 | 52.81 | 36.57 | 15.45 | 49.04 | |||||||||||||
1965 | 14.35 | 16.64 | 27.14 | b | 47.17 | 66.19 | 70.17 | 72.26 | 70.71 | 54.27 | 52.71 | 32.73 | 26.16 | 45.88 | ||||||||||||
1966 | 7.97 | 21.63 | a | 38.13 | a | 42.30 | 59.19 | 74.07 | 78.71 | 71.03 | 64.03 | 51.10 | a | 30.90 | 19.39 | 46.54 | ||||||||||
1967 | 17.74 | 16.18 | 34.71 | 47.83 | 58.39 | 70.63 | 73.90 | 70.97 | 65.67 | 48.68 | 31.00 | 22.65 | 46.53 | |||||||||||||
1968 | 18.29 | 20.45 | 41.45 | 50.13 | 60.87 | 69.07 | 73.48 | 71.65 | 63.83 | 53.71 | 34.17 | 17.94 | 47.92 | |||||||||||||
1969 | 14.16 | 24.30 | a | 33.13 | 52.40 | 64.32 | 64.00 | 74.45 | 77.74 | 63.57 | 47.19 | 34.97 | 22.74 | 47.75 | ||||||||||||
1970 | 10.81 | 22.04 | 32.26 | 47.50 | 58.68 | 74.30 | 79.81 | 77.90 | 64.67 | 52.48 | 31.70 | 20.03 | 47.68 | |||||||||||||
1971 | 7.13 | 23.14 | 31.03 | a | 49.80 | 62.52 | 75.93 | 72.23 | 73.58 | 65.70 | 54.97 | 31.53 | 21.03 | 47.38 | ||||||||||||
1972 | 9.29 | 16.52 | 30.55 | 45.27 | 70.48 | 73.87 | 72.97 | 73.71 | 60.37 | 48.45 | 30.33 | 13.32 | 45.43 | |||||||||||||
1973 | 22.84 | 24.71 | 42.10 | 49.93 | 61.81 | 71.73 | 75.61 | 75.35 | 62.52 | a | 57.74 | 33.20 | 19.40 | a | 49.75 | |||||||||||
1974 | 14.32 | 23.14 | 31.03 | 51.30 | 57.74 | 71.86 | a | 78.74 | 70.84 | 58.43 | 53.45 | 35.80 | 27.00 | 47.81 | ||||||||||||
1975 | 18.84 | 23.21 | 30.61 | 43.57 | 69.52 | 70.67 | 79.52 | 73.52 | 60.63 | 55.60 | a | 39.33 | 19.61 | 48.72 | ||||||||||||
1976 | 16.03 | 31.76 | 32.52 | 56.37 | 67.06 | 75.73 | 78.77 | 79.58 | 67.80 | 46.58 | 28.90 | 13.16 | 49.52 | |||||||||||||
1977 | 7.74 | 24.29 | 42.16 | 58.57 | 75.06 | 71.83 | 76.77 | 66.94 | 61.53 | 53.77 | 35.07 | 16.61 | 49.20 | |||||||||||||
1978 | 10.87 | 18.43 | 34.87 | 48.27 | 69.35 | 73.70 | 75.97 | 76.68 | 69.17 | 54.48 | 34.60 | 16.35 | 48.56 | |||||||||||||
1979 | 7.16 | 16.04 | 32.52 | 45.53 | 58.87 | 72.87 | 80.39 | 73.35 | 67.10 | 48.39 | 32.60 | 27.61 | 46.87 | |||||||||||||
1980 | 17.55 | 20.89 | a | 32.39 | 55.13 | 73.26 | 74.63 | 80.19 | 75.32 | 63.90 | 46.77 | 36.30 | 18.52 | 49.57 | ||||||||||||
1981 | 21.35 | 25.68 | 39.29 | 52.03 | 66.42 | 71.77 | 79.58 | 77.61 | 63.87 | 48.26 | 42.37 | 20.10 | 50.69 | |||||||||||||
1982 | 8.19 | 20.76 | c | 31.97 | a | 48.35 | d | 69.83 | a | 67.41 | a | 79.87 | 73.34 | b | 65.20 | 53.74 | 32.93 | 25.97 | 48.13 | |||||||
1983 | 22.26 | 27.36 | 35.61 | 48.00 | 63.16 | 74.13 | 82.96 | c | 81.71 | 65.72 | a | 51.66 | b | 33.55 | a | 10.04 | f | 53.28 | a | |||||||
1984 | 14.12 | g | 33.67 | h | 30.50 | e | 55.46 | f | 63.65 | h | 72.36 | h | 77.59 | d | 79.46 | e | 61.00 | c | 56.85 | e | 36.15 | c | 20.87 | 51.77 | e | |
1985 | 16.39 | c | 20.54 | 39.97 | a | 53.69 | d | 69.77 | a | 69.86 | b | 78.08 | f | 72.75 | c | 62.75 | f | 53.32 | f | 27.78 | c | 11.29 | 42.45 | c | ||
1986 | 21.10 | b | 22.19 | b | 39.79 | b | 56.46 | b | 68.66 | b | 74.88 | f | 77.69 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 47.65 | f |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 15.10 | 21.15 | 33.16 | 48.96 | 64.20 | 72.09 | 77.28 | 74.76 | 63.96 | 52.76 | 33.11 | 19.84 | 47.92 | |||||||||||||
S.D. | 5.68 | 4.97 | 4.88 | 4.79 | 4.76 | 3.59 | 3.27 | 3.72 | 3.48 | 4.85 | 4.46 | 5.04 | 1.97 | |||||||||||||
SKEW | -0.19 | -0.06 | 0.35 | 0.10 | -0.10 | -0.07 | 0.11 | 0.25 | 0.18 | 0.14 | -0.06 | -0.05 | -0.40 | |||||||||||||
MAX | 27.26 | 34.36 | 45.00 | 58.87 | 75.06 | 80.23 | 86.84 | 84.68 | 74.13 | 66.13 | 42.37 | 30.58 | 52.33 | |||||||||||||
MIN | 0.68 | 6.10 | 21.42 | 37.40 | 53.81 | 64.00 | 69.81 | 66.94 | 54.27 | 40.32 | 24.53 | 8.13 | 42.41 | |||||||||||||
YRS | 64 | 64 | 65 | 63 | 62 | 61 | 63 | 63 | 62 | 63 | 64 | 62 | 57 |