YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1906 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.00 | 46.00 | k | |
1907 | 35.42 | 51.07 | 51.67 | a | ----- | z | 70.50 | a | 76.21 | b | 83.85 | r | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 56.97 | g | ||
1908 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1909 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1910 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1912 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 91.73 | p | 86.06 | 72.38 | a | 62.69 | b | 45.79 | a | 42.11 | c | 61.81 | g | |
1932 | 41.24 | b | 42.83 | 51.32 | 62.10 | 64.97 | 78.23 | 81.03 | a | 80.13 | 77.07 | 65.29 | 56.67 | 39.71 | 61.72 | |||||||||||
1933 | 42.42 | 42.69 | b | 51.48 | 61.21 | b | 60.71 | 77.50 | 86.71 | 84.35 | 71.90 | 71.23 | 53.80 | 49.48 | 62.79 | |||||||||||
1934 | 51.87 | 51.11 | 63.52 | 72.07 | 74.23 | 77.10 | a | 85.77 | a | 86.58 | 75.70 | 65.73 | a | 53.46 | b | 42.26 | 66.62 | |||||||||
1935 | 43.20 | a | 48.93 | 49.71 | 57.23 | 69.29 | 76.93 | a | 82.94 | ----- | z | 80.73 | 62.65 | 47.62 | a | 40.79 | b | 60.00 | a | |||||||
1936 | 43.73 | a | 37.17 | 53.93 | a | 65.03 | 73.65 | 77.63 | 85.06 | 86.13 | 75.00 | 71.03 | 48.76 | a | 46.06 | 63.60 | ||||||||||
1937 | 25.66 | b | 41.61 | 50.80 | a | 58.23 | 72.87 | 76.87 | 87.26 | 83.39 | 77.70 | 72.81 | 66.70 | 46.03 | 63.33 | |||||||||||
1938 | 42.26 | 42.64 | 52.23 | 62.47 | 69.39 | 80.80 | 87.61 | 82.16 | 81.77 | 64.94 | 48.73 | 44.10 | 63.26 | |||||||||||||
1939 | 47.29 | 42.89 | 56.45 | 68.67 | 73.03 | 73.30 | 87.58 | 88.39 | 80.43 | 70.29 | 63.13 | 54.50 | a | 67.16 | ||||||||||||
1940 | 38.27 | a | 46.57 | a | 52.50 | a | 54.73 | 71.81 | 84.77 | 85.58 | 89.16 | 73.00 | 67.61 | 49.87 | 48.97 | a | 63.57 | |||||||||
1941 | 46.20 | a | 50.43 | 59.06 | 61.93 | 68.97 | 73.90 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 60.08 | f | |||||
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.17 | 47.10 | 48.63 | j | ||
1943 | 38.58 | 52.18 | 54.65 | 66.17 | 66.10 | 70.38 | a | 86.55 | 81.39 | 83.73 | 64.77 | 52.37 | 39.23 | 63.01 | ||||||||||||
1944 | 45.94 | 47.04 | a | 55.10 | 63.60 | 71.71 | 74.13 | 86.74 | 88.06 | 80.77 | 72.39 | 48.70 | 36.23 | a | 64.20 | |||||||||||
1945 | 44.32 | 49.54 | 49.87 | 61.93 | 70.48 | 77.57 | 92.16 | 88.90 | 77.17 | 70.42 | 50.03 | 41.87 | 64.52 | |||||||||||||
1946 | 45.81 | 48.96 | 55.29 | 67.77 | 74.65 | ----- | z | ----- | z | 91.52 | 75.70 | 61.43 | a | 49.86 | a | 48.53 | a | 61.95 | b | |||||||
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | 56.25 | s | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | 72.94 | 78.20 | 83.52 | 82.58 | 77.40 | 65.32 | 62.20 | e | 48.81 | 71.37 | d | |||||||
1950 | 43.55 | b | 52.39 | 53.35 | 57.47 | 69.58 | 75.80 | j | 84.77 | 83.74 | 74.60 | 63.68 | 42.62 | n | 53.04 | f | 64.79 | c | ||||||||
1951 | 45.35 | h | 42.96 | 41.94 | 61.87 | 66.97 | 78.08 | e | 91.12 | e | 83.94 | 79.57 | 67.48 | 48.07 | 37.87 | 63.62 | a | |||||||||
1952 | 44.48 | 51.79 | e | 57.75 | o | 69.85 | q | ----- | z | ----- | z | 87.97 | 83.61 | 80.63 | 71.19 | 44.73 | 41.87 | 63.29 | d | |||||||
1953 | 51.55 | 49.89 | 54.48 | b | 58.00 | 63.48 | 69.63 | 85.97 | 81.10 | 80.43 | 64.65 | 57.07 | a | 47.10 | a | 63.61 | ||||||||||
1954 | 43.23 | 50.46 | 51.61 | 61.87 | 72.13 | 70.57 | 85.19 | 78.42 | 72.20 | 62.68 | 56.41 | a | 45.29 | 62.50 | ||||||||||||
1955 | 43.48 | 45.86 | 49.87 | 54.70 | 64.97 | a | 77.57 | b | 73.94 | o | 84.29 | x | 74.00 | c | 64.39 | 44.37 | 42.50 | a | 56.17 | b | ||||||
1956 | 43.19 | 38.54 | a | 52.94 | 63.73 | 68.29 | 72.43 | 81.77 | r | ----- | z | 77.11 | l | 59.61 | 45.00 | 45.84 | 54.40 | c | ||||||||
1957 | 28.81 | 45.04 | 51.03 | a | 59.87 | 67.32 | 78.28 | a | 82.48 | 79.73 | a | 78.11 | c | 55.97 | b | 47.38 | a | 48.10 | 60.18 | |||||||
1958 | 44.00 | 53.36 | 49.13 | 57.53 | 74.84 | 76.57 | 87.42 | 89.03 | 74.63 | 68.87 | 51.10 | 49.03 | 64.63 | |||||||||||||
1959 | 44.42 | 42.21 | 53.16 | 62.97 | 62.47 | a | 76.40 | 87.84 | 82.13 | 70.93 | 63.35 | 50.27 | 42.29 | 61.54 | ||||||||||||
1960 | 36.06 | 44.52 | 53.29 | 59.27 | 62.94 | 79.87 | 90.32 | 80.71 | 77.93 | 64.55 | 48.00 | 39.90 | 61.45 | |||||||||||||
1961 | 43.68 | 50.57 | 52.10 | a | 58.90 | 64.55 | 82.57 | 88.16 | 88.94 | 71.20 | 61.42 | 46.70 | 41.90 | 62.56 | ||||||||||||
1962 | 39.58 | 45.50 | 48.55 | 64.63 | 60.84 | 75.04 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 55.69 | f | |||||
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 75.38 | v | 86.35 | 83.43 | a | 73.83 | 74.57 | a | 54.67 | 43.39 | h | 74.57 | g | |||
1966 | 47.06 | m | 47.56 | a | 57.92 | g | 67.88 | m | 71.67 | s | 80.00 | v | 83.61 | ----- | z | 81.71 | b | 70.71 | 63.88 | n | 45.69 | b | 65.86 | g | ||
1967 | 46.83 | b | 51.00 | e | 51.18 | c | 52.29 | b | 67.78 | d | 76.54 | b | 89.62 | g | 91.28 | b | 83.07 | a | 65.17 | b | 49.91 | h | 41.12 | g | 65.01 | c |
1968 | 44.04 | f | 49.46 | c | 58.12 | f | 60.00 | e | 67.03 | 77.14 | b | 89.13 | a | 78.06 | 76.04 | d | 63.54 | e | 49.74 | c | 45.29 | n | 67.79 | c | ||
1969 | 38.50 | q | ----- | z | 57.10 | j | 61.03 | a | 72.37 | a | 77.47 | 83.68 | 83.61 | 75.57 | 57.77 | 50.53 | 41.07 | a | 67.01 | c | ||||||
1970 | 41.32 | 47.54 | 49.77 | 53.50 | 68.52 | 80.10 | 88.13 | 88.32 | 70.77 | 60.65 | 49.59 | a | 38.90 | 61.43 | ||||||||||||
1971 | 42.77 | 46.89 | a | 48.13 | 58.33 | 68.45 | 72.60 | 85.87 | 90.45 | 69.50 | 56.13 | 46.97 | a | 39.81 | 60.49 | |||||||||||
1972 | 39.29 | 47.10 | 56.48 | 56.33 | 71.45 | 78.53 | 86.83 | a | 87.10 | 70.38 | a | 58.97 | 46.87 | 35.94 | 61.27 | |||||||||||
1973 | 38.68 | 46.46 | 52.65 | 59.03 | 72.03 | 78.80 | 86.61 | 82.74 | 71.30 | 58.00 | g | 45.30 | 45.61 | 61.75 | a | |||||||||||
1974 | 36.48 | 50.56 | j | 51.26 | 58.43 | 66.06 | 84.50 | 83.29 | 84.61 | 81.90 | 65.19 | 50.13 | 43.94 | 64.16 | a | |||||||||||
1975 | 45.65 | 44.26 | a | 50.19 | 53.37 | 67.81 | 73.20 | 85.74 | 81.52 | 80.20 | 61.29 | 49.47 | 45.23 | 61.49 | ||||||||||||
1976 | 43.90 | 45.90 | 50.55 | 55.73 | 72.26 | 72.97 | 85.81 | 76.48 | 78.50 | 67.55 | 49.70 | 44.32 | 61.97 | |||||||||||||
1977 | 35.81 | 48.25 | 50.03 | 67.57 | 58.26 | 80.50 | 84.71 | 89.00 | 71.70 | 62.26 | 46.17 | 44.42 | 61.56 | |||||||||||||
1978 | 40.97 | 46.57 | 58.61 | 55.77 | 64.52 | 76.30 | 83.58 | 83.23 | 70.67 | 68.58 | 42.90 | 37.94 | 60.80 | |||||||||||||
1979 | 25.13 | 44.71 | 55.87 | 56.10 | 69.71 | 79.63 | 87.35 | 83.03 | 80.27 | d | 64.74 | 42.87 | 47.16 | 61.38 | ||||||||||||
1980 | 37.71 | 45.83 | 47.94 | 61.90 | 68.90 | a | 69.30 | 84.48 | 80.39 | 78.07 | 64.81 | 52.43 | 49.29 | 61.75 | ||||||||||||
1981 | 42.00 | 48.04 | 53.52 | 60.13 | 65.71 | 74.63 | 85.61 | 92.77 | 79.73 | 61.81 | 52.67 | 44.73 | a | 63.45 | ||||||||||||
1982 | 42.32 | 45.36 | 51.74 | 56.70 | 66.33 | a | 78.00 | 83.84 | 86.45 | 71.40 | 61.39 | 46.80 | 39.32 | 60.80 | ||||||||||||
1983 | 48.74 | 50.39 | 54.39 | 57.13 | 71.61 | 72.83 | 80.16 | 85.90 | 74.53 | 65.58 | 51.03 | a | 33.19 | 62.13 | ||||||||||||
1984 | 44.16 | 48.21 | 55.84 | 54.60 | 65.07 | b | 70.73 | 88.87 | 87.58 | 75.50 | 58.19 | 47.37 | 38.52 | b | 61.22 | |||||||||||
1985 | 34.58 | 45.04 | 53.23 | 65.83 | 72.29 | 81.97 | 93.58 | 82.10 | 67.30 | c | 62.84 | 38.46 | b | 31.81 | 60.75 | |||||||||||
1986 | 48.77 | a | 48.70 | a | 58.94 | 58.76 | a | 69.39 | 85.73 | 80.33 | a | 91.20 | a | 68.37 | 64.81 | 51.27 | 41.16 | 63.95 | ||||||||
1987 | 41.66 | b | 48.04 | 53.33 | a | 70.67 | 72.84 | 84.40 | 80.35 | ----- | z | 82.50 | 73.48 | 54.45 | a | 40.61 | 63.85 | a | ||||||||
1988 | 41.48 | 53.31 | 57.58 | 64.87 | 69.65 | 76.10 | 88.16 | 87.94 | 79.37 | 77.16 | 50.07 | 44.00 | 65.81 | |||||||||||||
1989 | 44.81 | 36.41 | a | 52.77 | 64.90 | 66.35 | 81.17 | 86.81 | 80.55 | 78.33 | 66.03 | 54.93 | 46.58 | 63.30 | ||||||||||||
1990 | 43.61 | 48.04 | 56.61 | 67.50 | 67.27 | a | 75.90 | 90.81 | 84.90 | 84.30 | 64.74 | 53.34 | a | 37.14 | b | 64.51 | ||||||||||
1991 | 43.20 | a | 57.29 | 50.23 | 55.48 | a | 62.68 | 71.93 | 90.10 | 91.29 | 84.17 | 67.97 | 52.10 | a | 47.32 | 64.48 | ||||||||||
1992 | 46.80 | a | 53.41 | 59.42 | 65.03 | 79.45 | 85.47 | 83.06 | 89.19 | 79.90 | a | 68.48 | 47.67 | 38.39 | 66.36 | |||||||||||
1993 | 32.29 | 37.46 | 53.87 | 58.24 | a | 76.27 | a | 76.43 | 80.10 | 84.58 | 79.13 | 69.68 | 46.45 | a | 43.47 | a | 61.50 | |||||||||
1994 | 50.93 | c | 46.07 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.50 | j |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 41.85 | 47.02 | 52.95 | 60.63 | 68.79 | 77.05 | 86.01 | 85.06 | 76.59 | 65.46 | 50.20 | 43.13 | 62.84 | |||||||||||||
S.D. | 5.62 | 4.28 | 3.58 | 4.64 | 4.24 | 4.05 | 3.05 | 3.94 | 4.41 | 4.62 | 5.01 | 4.50 | 1.77 | |||||||||||||
SKEW | -1.02 | -0.40 | 0.19 | 0.40 | -0.14 | 0.21 | 0.06 | 0.01 | -0.17 | 0.22 | 0.93 | -0.19 | 0.69 | |||||||||||||
MAX | 51.87 | 57.29 | 63.52 | 72.07 | 79.45 | 85.73 | 93.58 | 92.77 | 84.30 | 77.16 | 66.70 | 54.50 | 67.16 | |||||||||||||
MIN | 25.13 | 36.41 | 41.94 | 52.29 | 58.26 | 69.30 | 80.10 | 76.48 | 67.30 | 55.97 | 38.46 | 31.81 | 60.18 | |||||||||||||
YRS | 53 | 55 | 52 | 53 | 55 | 53 | 51 | 51 | 55 | 55 | 54 | 54 | 39 |