YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 76.63 | 81.90 | 88.58 | 78.63 | 64.90 | 47.44 | n | ----- | z | 78.13 | g | |||||
1917 | ----- | z | ----- | z | 50.88 | n | 56.57 | 65.97 | 76.80 | 92.81 | 92.03 | 78.50 | 69.55 | ----- | z | ----- | z | 76.03 | e | |||||||
1918 | ----- | z | ----- | z | ----- | z | 64.43 | 69.19 | 87.00 | 89.84 | 82.90 | 82.37 | 67.58 | ----- | z | ----- | z | 77.62 | e | |||||||
1919 | ----- | z | ----- | z | 54.35 | 63.43 | 70.19 | 79.90 | 90.55 | 88.71 | 75.13 | 59.90 | ----- | z | ----- | z | 72.77 | d | ||||||||
1920 | ----- | z | ----- | z | 52.71 | 57.33 | 67.68 | 76.43 | 91.13 | 87.35 | 73.87 | 61.68 | ----- | z | ----- | z | 71.02 | d | ||||||||
1921 | ----- | z | ----- | z | 54.97 | 59.87 | 71.39 | 82.67 | 87.90 | 88.97 | 71.73 | 68.32 | ----- | z | ----- | z | 73.23 | d | ||||||||
1922 | ----- | z | ----- | z | 50.68 | 57.48 | a | 69.23 | 87.73 | 92.26 | 87.61 | 81.50 | 67.90 | ----- | z | ----- | z | 74.30 | d | |||||||
1923 | ----- | z | ----- | z | 55.35 | 64.40 | 70.55 | 75.03 | a | 90.45 | 89.68 | 80.63 | 62.35 | ----- | z | ----- | z | 73.56 | d | |||||||
1924 | ----- | z | ----- | z | 53.00 | 63.40 | 80.16 | 81.77 | 90.29 | 86.29 | 77.83 | 65.90 | ----- | z | ----- | z | 74.83 | d | ||||||||
1925 | ----- | z | ----- | z | 56.29 | 67.13 | 73.65 | 80.80 | 93.84 | 87.90 | 77.57 | 64.81 | ----- | z | ----- | z | 75.25 | d | ||||||||
1926 | ----- | z | ----- | z | 60.13 | 69.77 | 72.26 | 84.47 | 92.58 | 87.10 | 70.67 | 65.60 | a | ----- | z | ----- | z | 75.32 | d | |||||||
1927 | ----- | z | ----- | z | 52.77 | 61.27 | 66.61 | 80.60 | 89.48 | 88.48 | 69.83 | 64.39 | ----- | z | ----- | z | 71.68 | d | ||||||||
1928 | ----- | z | ----- | z | 56.16 | 59.23 | 78.74 | 79.40 | ----- | z | 86.68 | 78.53 | 64.84 | ----- | z | ----- | z | 71.94 | e | |||||||
1929 | ----- | z | ----- | z | 55.90 | 59.47 | 71.84 | 77.50 | 89.35 | 93.26 | 75.93 | 68.74 | ----- | z | ----- | z | 74.00 | d | ||||||||
1930 | ----- | z | ----- | z | 55.61 | 68.47 | 69.87 | 78.57 | 90.87 | 90.71 | 77.87 | 58.39 | ----- | z | ----- | z | 73.79 | 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 | 84.90 | ----- | z | 82.68 | 75.80 | 62.97 | 51.07 | 37.42 | 65.81 | f | ||||||
1949 | 23.50 | a | 42.68 | 52.77 | 68.97 | 75.74 | 80.17 | 86.97 | 86.32 | 77.83 | 60.10 | 54.87 | 44.68 | 62.88 | ||||||||||||
1950 | 24.94 | 41.57 | 51.55 | 60.60 | 69.94 | 75.87 | 88.90 | 88.71 | 79.80 | 62.10 | 49.23 | 46.13 | 61.61 | |||||||||||||
1951 | 41.19 | 46.46 | 50.87 | 66.37 | 72.16 | 79.13 | 90.13 | 86.19 | 79.37 | 61.10 | 47.93 | 36.94 | 63.15 | |||||||||||||
1952 | 36.65 | 47.97 | 52.90 | 68.40 | 72.58 | 76.77 | 90.16 | 86.77 | 81.57 | 71.32 | 42.00 | 43.47 | a | 64.21 | ||||||||||||
1953 | 54.42 | 49.86 | 56.19 | 60.67 | 67.77 | 72.17 | 89.00 | 85.32 | 82.07 | 67.00 | 53.57 | 48.55 | 65.55 | |||||||||||||
1954 | 40.52 | 46.14 | 51.74 | 61.30 | 72.58 | 73.97 | 86.68 | 81.10 | 75.00 | 61.84 | 55.90 | 41.71 | 62.37 | |||||||||||||
1955 | 39.10 | 44.68 | 49.10 | 56.50 | 65.61 | 80.73 | 83.35 | 88.10 | 76.80 | 63.52 | 41.87 | 40.77 | 60.84 | |||||||||||||
1956 | 41.06 | 34.48 | 52.84 | 66.33 | 73.06 | 75.83 | 90.94 | 85.32 | 78.60 | 60.68 | 43.37 | 43.68 | 62.18 | |||||||||||||
1957 | 26.23 | 44.57 | 51.90 | 63.97 | 72.29 | 79.67 | 84.84 | 82.65 | 80.40 | 57.32 | 50.53 | 48.68 | 61.92 | |||||||||||||
1958 | 45.61 | 53.46 | 53.77 | 59.77 | 78.52 | 82.63 | 92.52 | 92.00 | 75.73 | 66.97 | 50.47 | 44.35 | 66.32 | |||||||||||||
1959 | 44.00 | 44.32 | 55.58 | 63.90 | 67.19 | 78.93 | 90.81 | 82.45 | 72.00 | 63.58 | 47.57 | 40.23 | 62.55 | |||||||||||||
1960 | 32.94 | 47.69 | 54.16 | 62.83 | 67.52 | 81.10 | 94.87 | 82.35 | 78.97 | 65.39 | 50.30 | 35.00 | 62.76 | |||||||||||||
1961 | 44.58 | 53.89 | 55.71 | 61.30 | 69.45 | 86.77 | 91.58 | 92.03 | 72.97 | 62.39 | 45.33 | 42.65 | 64.89 | |||||||||||||
1962 | 40.32 | 46.18 | 51.71 | 66.27 | 64.06 | 78.87 | 87.48 | 82.16 | 78.03 | 62.35 | 52.93 | 46.42 | 63.07 | |||||||||||||
1963 | 35.39 | 48.25 | 56.55 | 58.70 | 71.61 | 77.93 | 82.45 | 87.00 | 81.83 | 67.90 | 51.87 | 37.39 | 63.07 | |||||||||||||
1964 | 47.94 | 50.59 | 52.84 | 59.43 | 68.97 | 77.20 | 86.68 | 81.55 | 74.77 | 63.32 | 46.37 | 39.68 | 62.44 | |||||||||||||
1965 | 41.71 | 50.43 | 53.52 | 64.87 | 70.00 | 78.80 | 88.84 | 84.81 | 73.00 | 69.23 | 51.00 | 44.87 | 64.26 | |||||||||||||
1966 | 44.68 | 47.82 | 56.77 | 64.40 | 74.00 | 76.47 | 84.87 | 85.58 | 80.10 | 65.16 | 52.50 | 48.26 | 65.05 | |||||||||||||
1967 | 51.00 | 52.96 | 54.16 | 56.10 | 70.77 | 82.63 | 90.87 | 95.16 | 83.33 | 66.68 | 50.07 | 43.81 | 66.46 | |||||||||||||
1968 | 45.55 | 50.24 | 59.68 | 60.60 | 71.03 | 79.50 | 91.74 | 81.84 | 76.67 | 61.42 | 50.07 | 39.84 | 64.01 | |||||||||||||
1969 | 30.06 | 41.29 | 55.68 | 61.87 | 75.00 | 83.30 | 86.84 | 84.45 | 76.93 | 59.77 | 51.97 | 40.65 | 62.32 | |||||||||||||
1970 | 40.19 | 47.64 | 53.81 | 56.97 | 71.65 | 83.27 | 90.42 | 89.35 | 70.97 | 60.77 | 49.20 | 44.71 | 63.25 | |||||||||||||
1971 | 48.52 | 48.61 | 51.97 | 61.27 | 71.61 | 73.07 | 90.19 | 92.00 | 71.60 | 61.97 | 51.83 | 44.23 | 63.90 | |||||||||||||
1972 | 40.39 | 44.00 | 57.97 | 59.53 | 73.77 | 79.57 | 87.06 | 88.87 | 73.10 | 62.81 | 50.27 | 36.87 | 62.85 | |||||||||||||
1973 | 40.45 | 46.54 | 57.19 | 64.43 | 75.39 | 79.87 | 90.97 | 86.19 | 76.17 | 63.81 | 47.43 | 47.10 | 64.63 | |||||||||||||
1974 | 37.35 | 51.46 | 55.77 | 61.23 | 67.97 | 85.03 | 87.13 | 87.77 | 81.73 | 65.71 | 51.47 | 48.00 | 65.05 | |||||||||||||
1975 | 42.19 | 43.54 | 50.94 | 57.73 | 71.00 | 76.20 | 91.19 | 82.71 | 81.17 | 62.55 | 52.20 | 44.94 | 63.03 | |||||||||||||
1976 | 45.03 | 47.83 | 52.52 | 60.90 | 72.03 | 76.23 | 87.90 | 81.58 | 81.60 | 65.29 | 48.90 | 42.06 | 63.49 | |||||||||||||
1977 | 29.68 | 50.07 | 53.45 | 69.87 | 66.61 | 84.87 | 85.71 | 90.71 | 72.03 | 63.10 | 49.40 | 42.26 | 63.15 | |||||||||||||
1978 | 38.00 | 47.07 | 58.42 | 60.53 | 68.35 | 81.83 | 88.16 | 83.23 | 73.67 | 66.42 | 43.10 | 38.61 | 62.28 | |||||||||||||
1979 | 23.42 | 46.93 | 57.48 | 62.73 | 73.71 | 81.73 | 90.61 | 86.65 | 82.17 | 68.06 | 41.70 | 47.48 | 63.56 | |||||||||||||
1980 | 33.68 | 44.24 | 52.16 | 67.67 | 70.52 | 74.77 | 88.97 | 82.94 | 77.77 | 62.81 | 50.13 | 47.13 | 62.73 | |||||||||||||
1981 | 41.29 | 47.50 | 57.97 | 63.77 | 68.81 | 74.87 | 86.13 | 92.19 | 79.20 | 63.42 | 52.83 | 44.13 | 64.34 | |||||||||||||
1982 | 42.52 | 48.25 | 55.00 | 61.03 | 71.00 | 82.53 | 87.58 | 87.94 | 75.37 | 62.68 | 44.60 | 41.87 | 63.36 | |||||||||||||
1983 | 49.29 | 51.71 | 57.55 | 63.80 | 74.90 | 77.27 | 84.23 | 89.29 | 73.13 | 64.23 | 54.00 | 31.00 | 64.20 | |||||||||||||
1984 | 41.77 | 47.34 | 57.58 | 60.50 | 67.90 | 75.80 | 91.06 | 89.10 | 74.13 | 60.61 | 49.20 | 35.10 | 62.51 | |||||||||||||
1985 | 29.52 | 44.29 | 55.35 | 67.60 | 74.10 | 81.53 | 95.06 | 83.58 | 70.37 | 62.90 | 33.93 | 24.55 | 60.23 | |||||||||||||
1986 | 43.10 | 47.18 | 59.39 | 63.20 | 72.39 | 85.90 | 82.58 | 93.23 | 71.40 | 67.90 | 50.23 | 36.84 | 64.44 | |||||||||||||
1987 | 38.10 | 47.46 | 58.87 | 69.87 | 75.45 | 84.87 | 84.23 | 88.26 | 83.00 | 69.26 | 52.30 | 41.35 | 66.08 | |||||||||||||
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 88.45 | ----- | z | ----- | z | ----- | z | ----- | z | 88.45 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 39.38 | 47.11 | 54.73 | 62.60 | 71.21 | 79.78 | 88.92 | 87.05 | 76.92 | 64.20 | 49.09 | 41.83 | 63.46 | |||||||||||||
S.D. | 7.49 | 3.71 | 2.61 | 3.76 | 3.36 | 3.76 | 3.12 | 3.49 | 3.79 | 3.08 | 4.34 | 5.08 | 1.40 | |||||||||||||
SKEW | -0.51 | -0.80 | 0.12 | 0.27 | 0.39 | 0.19 | -0.39 | 0.12 | -0.14 | 0.15 | -1.32 | -1.13 | 0.20 | |||||||||||||
MAX | 54.42 | 53.89 | 60.13 | 69.87 | 80.16 | 87.73 | 95.06 | 95.16 | 83.33 | 71.32 | 55.90 | 48.68 | 66.46 | |||||||||||||
MIN | 23.42 | 34.48 | 49.10 | 56.10 | 64.06 | 72.17 | 81.90 | 81.10 | 69.83 | 57.32 | 33.93 | 24.55 | 60.23 | |||||||||||||
YRS | 39 | 39 | 51 | 53 | 53 | 55 | 53 | 56 | 55 | 55 | 40 | 40 | 39 |