YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 63.45 | 68.77 | 72.92 | 64.38 | 51.53 | 38.50 | n | ----- | z | 64.21 | g | |||||
1917 | ----- | z | ----- | z | 42.41 | n | 48.27 | 56.15 | 63.58 | 75.90 | 75.26 | 65.85 | 55.42 | ----- | z | ----- | z | 62.92 | e | |||||||
1918 | ----- | z | ----- | z | ----- | z | 51.48 | a | 56.24 | 71.37 | 74.26 | 69.52 | 67.58 | 56.23 | ----- | z | ----- | z | 63.81 | e | ||||||
1919 | ----- | z | ----- | z | 45.31 | 52.03 | 57.69 | 64.62 | 74.76 | 73.53 | 61.60 | 49.05 | ----- | z | ----- | z | 59.82 | d | ||||||||
1920 | ----- | z | ----- | z | 44.37 | 47.75 | 55.65 | 63.62 | 75.48 | 72.81 | 62.25 | 51.31 | ----- | z | ----- | z | 59.15 | d | ||||||||
1921 | ----- | z | ----- | z | 46.19 | 49.25 | 58.35 | 69.22 | 72.39 | 73.61 | 59.12 | 55.31 | ----- | z | ----- | z | 60.43 | d | ||||||||
1922 | ----- | z | ----- | z | 41.85 | 47.95 | a | 56.66 | 72.40 | 76.90 | 73.60 | 67.08 | 55.53 | ----- | z | ----- | z | 61.50 | d | |||||||
1923 | ----- | z | ----- | z | 45.08 | 52.38 | 58.68 | 63.47 | a | 75.13 | 74.52 | 65.83 | 51.61 | ----- | z | ----- | z | 60.84 | d | |||||||
1924 | ----- | z | ----- | z | 43.05 | 50.85 | 64.26 | 67.73 | 75.11 | 71.87 | a | 63.98 | 54.31 | ----- | z | ----- | z | 61.39 | d | |||||||
1925 | ----- | z | ----- | z | 46.18 | 54.75 | 61.03 | 67.85 | 77.69 | 72.82 | 64.33 | 52.23 | ----- | z | ----- | z | 62.11 | d | ||||||||
1926 | ----- | z | ----- | z | 48.39 | 56.67 | 59.63 | 69.78 | 77.06 | 72.50 | 57.83 | 54.17 | a | ----- | z | ----- | z | 62.00 | d | |||||||
1927 | ----- | z | ----- | z | 43.45 | 49.05 | 54.90 | 67.52 | 74.15 | 73.60 | 60.03 | a | 54.42 | ----- | z | ----- | z | 59.64 | d | |||||||
1928 | ----- | z | ----- | z | 46.90 | 49.17 | 63.24 | 65.98 | ----- | z | 72.44 | 64.63 | 53.73 | ----- | z | ----- | z | 59.44 | e | |||||||
1929 | ----- | z | ----- | z | 46.10 | 48.67 | 58.79 | 64.78 | 72.90 | 76.56 | 61.78 | 55.06 | ----- | z | ----- | z | 60.58 | d | ||||||||
1930 | ----- | z | ----- | z | 46.18 | 56.52 | 58.27 | 64.43 | 75.42 | 75.23 | 64.75 | 48.90 | ----- | z | ----- | z | 61.21 | d | ||||||||
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 70.48 | ----- | z | 71.03 | 63.67 | 52.31 | 43.98 | 31.33 | a | 55.47 | f | |||||
1949 | 17.00 | a | 35.57 | 44.68 | 56.60 | 64.71 | 67.60 | 74.06 | 74.00 | 66.20 | 50.65 | 47.85 | 38.60 | 53.13 | ||||||||||||
1950 | 17.37 | 34.86 | 44.31 | 50.53 | 58.63 | 65.72 | 75.58 | 75.65 | 67.08 | 54.02 | 43.22 | 40.95 | 52.33 | |||||||||||||
1951 | 35.44 | 39.23 | 42.47 | 54.35 | 60.60 | 67.37 | 76.74 | 73.79 | 66.62 | 52.74 | 41.73 | 31.16 | 53.52 | |||||||||||||
1952 | 30.87 | 40.79 | 45.23 | 56.15 | 61.82 | 65.60 | 76.34 | 74.16 | 68.85 | 59.98 | 36.20 | 38.57 | b | 54.55 | ||||||||||||
1953 | 48.35 | 43.30 | 47.90 | 51.85 | 57.85 | 62.53 | 75.21 | 73.63 | 68.90 | 56.79 | 46.47 | 42.47 | 56.27 | |||||||||||||
1954 | 34.77 | 41.14 | 42.69 | 51.90 | 61.34 | 63.15 | 73.42 | 70.00 | 63.98 | 52.15 | 49.28 | 36.05 | 53.32 | |||||||||||||
1955 | 34.24 | 37.89 | 40.55 | 47.93 | 55.73 | 68.38 | 71.63 | 74.27 | 64.77 | 54.50 | 35.02 | 34.15 | 51.59 | |||||||||||||
1956 | 34.66 | 28.19 | 45.05 | 55.42 | 62.16 | 64.60 | 77.76 | 73.03 | 66.15 | 52.44 | 38.33 | 37.98 | 52.98 | |||||||||||||
1957 | 20.55 | 38.00 | 44.68 | 54.25 | 62.85 | 68.42 | 72.81 | 71.05 | 67.87 | 50.37 | 42.37 | 42.40 | 52.97 | |||||||||||||
1958 | 40.05 | 47.14 | 44.79 | 51.27 | 66.53 | 70.77 | 78.77 | 78.92 | 64.57 | 55.44 | 43.62 | 38.50 | 56.70 | |||||||||||||
1959 | 37.13 | 38.82 | 47.21 | 53.57 | 56.73 | 67.78 | 76.52 | 70.81 | 62.32 | 54.42 | 39.13 | 35.26 | 53.31 | |||||||||||||
1960 | 26.97 | 40.09 | 45.61 | 53.35 | 57.69 | 68.07 | 80.42 | 70.89 | 66.23 | 55.63 | 43.92 | 31.23 | 53.34 | |||||||||||||
1961 | 38.66 | 47.07 | 48.24 | 52.02 | 59.21 | 73.15 | 78.32 | 79.05 | 61.72 | 52.44 | 37.27 | 37.34 | 55.37 | |||||||||||||
1962 | 33.74 | 39.25 | 43.47 | 55.48 | 55.61 | 66.60 | 74.50 | 70.87 | 65.90 | 54.15 | 46.28 | 40.60 | 53.87 | |||||||||||||
1963 | 28.74 | 41.45 | 47.77 | 50.65 | 60.84 | 67.25 | 70.74 | 74.53 | 69.83 | 58.00 | 45.75 | 33.44 | 54.08 | |||||||||||||
1964 | 41.68 | 42.22 | 44.58 | 50.00 | 58.29 | 66.27 | 73.56 | 69.71 | 63.12 | 53.21 | 41.12 | 32.85 | 53.05 | |||||||||||||
1965 | 36.61 | 43.12 | 43.60 | 55.12 | 58.94 | 66.83 | 75.84 | 73.42 | 61.55 | 58.74 | 45.45 | 38.45 | 54.81 | |||||||||||||
1966 | 38.98 | 41.02 | 47.47 | 53.78 | 61.56 | 65.33 | 72.47 | 73.35 | 68.82 | 54.74 | 45.80 | 42.37 | 55.48 | |||||||||||||
1967 | 44.76 | 45.02 | 45.87 | 47.93 | 59.87 | 70.57 | 77.73 | 80.85 | 70.85 | 56.65 | 43.18 | 38.06 | 56.78 | |||||||||||||
1968 | 38.85 | 43.79 | 50.40 | 50.70 | 60.39 | 67.88 | 77.73 | 70.90 | 65.65 | 52.32 | 43.68 | 33.31 | 54.63 | |||||||||||||
1969 | 24.31 | 35.62 | 46.56 | 52.18 | 63.37 | 71.23 | 73.84 | 71.58 | 66.10 | 50.71 | 44.47 | 36.16 | 53.01 | |||||||||||||
1970 | 34.87 | 41.95 | 45.65 | 48.10 | 60.76 | 71.33 | 77.29 | 75.87 | 60.37 | 51.76 | 42.35 | 38.10 | 54.03 | |||||||||||||
1971 | 42.21 | 41.50 | 43.71 | 50.98 | 60.45 | 63.18 | 76.40 | 78.87 | 60.22 | 51.94 | 44.97 | 37.52 | 54.33 | |||||||||||||
1972 | 34.15 | 37.62 | 49.24 | 49.17 | 62.19 | 68.30 | 74.26 | 75.77 | 61.73 | 52.82 | 43.37 | 30.45 | 53.26 | |||||||||||||
1973 | 33.39 | 39.62 | 48.56 | 53.18 | 62.92 | 67.92 | 76.79 | 73.79 | 64.78 | 54.37 | 42.23 | 41.74 | 54.94 | |||||||||||||
1974 | 31.94 | 44.23 | 47.18 | 52.18 | 57.90 | 71.38 | 74.05 | 74.74 | 67.42 | 54.42 | 45.30 | 41.45 | 55.18 | |||||||||||||
1975 | 36.05 | 37.05 | 43.32 | 48.30 | 59.50 | 64.80 | 78.00 | 70.24 | 66.60 | 54.47 | 44.48 | 39.44 | 53.52 | |||||||||||||
1976 | 38.94 | 40.79 | 43.44 | 50.77 | 59.60 | 63.75 | 74.37 | 69.92 | 68.37 | 53.89 | 43.08 | 35.85 | 53.56 | |||||||||||||
1977 | 26.00 | 43.20 | 45.47 | 57.22 | 56.48 | 71.78 | 72.79 | 77.52 | 62.03 | 53.35 | 42.23 | 37.52 | 53.80 | |||||||||||||
1978 | 34.02 | 41.59 | 49.42 | 51.82 | 58.23 | 69.28 | 74.77 | 71.66 | 63.27 | 54.35 | 36.08 | 32.23 | 53.06 | |||||||||||||
1979 | 18.44 | 39.98 | 48.05 | 53.30 | 62.31 | 68.85 | 76.63 | 74.34 | 69.02 | 57.97 | 37.05 | 41.05 | 53.91 | |||||||||||||
1980 | 28.06 | 38.07 | 44.94 | 56.58 | 60.40 | 63.82 | 75.15 | 70.05 | 65.83 | 53.11 | 44.12 | 40.73 | 53.40 | |||||||||||||
1981 | 37.92 | 40.68 | 48.53 | 53.88 | 58.98 | 64.37 | 72.68 | 77.95 | 66.83 | 53.40 | 45.50 | 38.23 | 54.91 | |||||||||||||
1982 | 35.66 | 40.86 | 46.32 | 50.33 | 59.52 | 70.80 | 74.31 | 75.15 | 63.80 | 53.00 | 38.73 | 37.24 | 53.81 | |||||||||||||
1983 | 42.68 | 45.14 | 49.37 | 52.60 | 62.87 | 65.92 | 71.79 | 76.58 | 61.53 | 54.26 | 47.83 | 25.48 | 54.67 | |||||||||||||
1984 | 35.81 | 41.12 | 49.37 | 51.33 | 57.48 | 64.92 | 76.39 | 75.56 | 62.55 | 51.06 | 43.12 | 29.76 | 53.21 | |||||||||||||
1985 | 27.05 | 35.96 | 45.73 | 56.45 | 62.32 | 68.63 | 80.79 | 71.10 | 59.97 | 53.16 | 28.67 | 21.47 | 50.94 | |||||||||||||
1986 | 36.84 | 40.64 | 51.00 | 52.82 | 61.42 | 73.03 | 70.71 | 79.26 | 61.62 | 56.21 | 44.33 | 32.97 | 55.07 | |||||||||||||
1987 | 32.35 | 40.55 | 50.24 | 58.47 | 63.87 | 71.37 | 72.16 | 73.97 | 69.10 | 56.44 | 45.22 | 35.68 | 55.78 | |||||||||||||
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 73.66 | ----- | z | ----- | z | ----- | z | ----- | z | 73.66 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 33.59 | 40.36 | 45.99 | 52.21 | 59.84 | 67.43 | 75.08 | 73.79 | 64.67 | 53.84 | 42.57 | 36.20 | 54.01 | |||||||||||||
S.D. | 7.30 | 3.57 | 2.38 | 2.86 | 2.66 | 2.93 | 2.43 | 2.69 | 3.01 | 2.28 | 4.07 | 4.67 | 1.27 | |||||||||||||
SKEW | -0.62 | -0.81 | 0.11 | 0.23 | 0.22 | 0.18 | -0.06 | 0.55 | -0.11 | 0.27 | -1.24 | -0.99 | 0.17 | |||||||||||||
MAX | 48.35 | 47.14 | 51.00 | 58.47 | 66.53 | 73.15 | 80.79 | 80.85 | 70.85 | 59.98 | 49.28 | 42.47 | 56.78 | |||||||||||||
MIN | 17.00 | 28.19 | 40.55 | 47.75 | 54.90 | 62.53 | 68.77 | 69.52 | 57.83 | 48.90 | 28.67 | 21.47 | 50.94 | |||||||||||||
YRS | 39 | 39 | 51 | 53 | 53 | 55 | 53 | 56 | 55 | 55 | 40 | 40 | 39 |