YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1911 | ----- | z | ----- | z | ----- | z | 62.43 | 65.52 | 78.33 | 90.90 | 85.16 | 74.12 | v | 64.39 | m | 55.50 | 47.32 | 69.31 | e | |||||||
1912 | 42.42 | 49.59 | g | 48.00 | b | 63.77 | q | 67.70 | h | 77.35 | j | 79.84 | 77.13 | 67.14 | a | 53.96 | f | 43.85 | d | 42.04 | d | 57.20 | e | |||
1913 | 39.86 | c | 43.56 | j | 52.19 | e | 63.07 | a | 69.03 | 75.13 | 85.68 | c | 88.58 | g | 81.22 | l | 64.52 | b | 52.50 | b | 37.48 | 59.94 | c | |||
1914 | 45.87 | 47.25 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.56 | j | ||
1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1916 | ----- | z | ----- | z | 59.41 | i | 68.80 | 64.09 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 68.80 | k | |
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 | ----- | 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 | 56.54 | r | 61.23 | 70.58 | 78.97 | 92.30 | a | 91.13 | 77.41 | a | 68.03 | 50.33 | ----- | z | 73.75 | d | ||||||
1946 | ----- | z | 53.00 | y | 51.45 | 62.97 | 72.97 | 73.30 | 86.29 | ----- | z | 74.17 | a | 56.87 | 46.03 | 44.45 | 63.17 | c | ||||||||
1947 | 41.65 | 50.61 | 58.42 | 63.73 | 76.77 | 73.17 | a | 85.79 | b | 84.68 | 81.27 | 67.20 | a | 52.33 | 47.90 | 65.29 | ||||||||||
1948 | 41.87 | 42.59 | 49.00 | a | ----- | z | ----- | z | ----- | z | ----- | z | 79.85 | r | 73.89 | c | 63.64 | f | 50.10 | i | 35.38 | b | 48.55 | g | ||
1949 | 29.60 | f | 43.40 | r | 50.59 | n | 67.37 | ----- | z | ----- | z | ----- | z | ----- | z | 75.00 | o | ----- | z | 55.00 | g | ----- | z | 67.37 | k | |
1950 | 28.70 | a | 25.00 | r | 52.00 | p | 57.63 | 67.81 | 74.36 | e | 84.50 | g | 83.61 | ----- | z | 58.32 | 50.03 | 47.04 | f | 60.07 | e | |||||
1951 | 37.35 | e | 45.29 | 49.03 | 65.67 | 67.71 | 77.23 | 84.19 | 82.00 | 77.70 | 60.18 | c | 46.93 | 37.65 | 60.91 | |||||||||||
1952 | 35.29 | 45.66 | 49.52 | 66.27 | 68.68 | 71.00 | c | 84.90 | 82.67 | d | 79.93 | 69.74 | 42.60 | 38.90 | b | 61.26 | ||||||||||
1953 | 50.97 | 48.75 | 54.16 | 57.47 | 63.32 | 66.77 | 83.10 | 79.87 | a | 78.93 | 64.23 | 54.77 | d | 46.45 | 62.40 | |||||||||||
1954 | 41.47 | a | 48.32 | 49.42 | 61.86 | a | 69.33 | a | 69.60 | 82.42 | e | 75.11 | c | 72.17 | 59.35 | 53.28 | a | 43.13 | 60.45 | |||||||
1955 | 42.06 | 45.85 | a | 48.35 | 53.14 | a | 63.73 | a | 75.41 | a | 78.00 | 82.26 | 74.13 | 61.96 | g | 46.03 | 41.62 | b | 59.15 | a | ||||||
1956 | 40.97 | 38.85 | c | 53.79 | c | 64.30 | 70.31 | b | 70.69 | d | 83.39 | 81.29 | 75.70 | 60.24 | b | 46.17 | 45.80 | a | 60.96 | |||||||
1957 | 28.39 | 46.18 | 51.30 | d | 60.30 | 68.03 | 76.13 | 78.96 | g | 77.82 | c | 77.20 | 56.43 | c | 47.70 | g | 47.55 | 58.93 | b | |||||||
1958 | 43.94 | 51.61 | 48.78 | d | 58.53 | 76.35 | 75.17 | 85.04 | g | 87.52 | 74.07 | a | 67.43 | c | 49.77 | 47.28 | b | 61.86 | a | |||||||
1959 | 43.90 | 43.36 | 54.45 | 62.72 | a | 64.06 | 77.64 | e | 85.26 | 79.89 | c | 70.60 | e | 64.13 | 51.17 | 42.63 | d | 61.65 | ||||||||
1960 | 35.16 | 45.41 | 53.42 | 60.90 | a | 63.97 | a | 77.38 | f | 91.00 | n | 80.35 | 78.41 | a | 65.65 | 48.27 | 39.28 | b | 57.08 | b | ||||||
1961 | 44.77 | 51.72 | c | 52.58 | 59.57 | 65.42 | 81.53 | 86.36 | c | 88.50 | a | 72.18 | b | 61.90 | 46.67 | 41.17 | a | 62.70 | ||||||||
1962 | 41.58 | 44.00 | 49.71 | 64.80 | 62.03 | 78.96 | f | 83.43 | a | 78.39 | 77.10 | 61.16 | 51.13 | 46.00 | 59.94 | a | ||||||||||
1963 | 38.29 | 53.25 | 53.23 | 54.07 | 67.65 | 72.03 | 78.40 | a | 83.52 | 80.40 | 64.10 | 49.90 | 40.68 | 61.29 | ||||||||||||
1964 | 44.55 | 51.45 | 51.03 | 58.43 | 66.32 | 71.60 | 82.65 | 79.68 | 74.37 | 63.42 | 43.53 | 39.29 | 60.53 | |||||||||||||
1965 | 40.29 | 51.36 | 54.71 | 62.03 | 65.40 | k | 75.86 | b | 83.84 | 80.84 | 71.93 | 69.03 | 50.53 | 42.64 | f | 64.04 | b | |||||||||
1966 | 42.52 | 46.79 | 55.29 | 63.73 | 72.16 | 73.93 | c | 81.79 | g | 82.94 | 77.23 | 65.84 | 50.13 | 44.73 | a | 61.39 | a | |||||||||
1967 | 47.43 | a | 53.00 | a | 50.97 | 53.10 | 71.19 | 78.29 | i | 86.97 | 92.06 | 82.63 | 65.45 | 50.43 | 42.77 | 63.27 | a | |||||||||
1968 | 45.13 | 49.76 | 57.19 | 60.10 | 67.48 | 77.07 | 85.90 | 79.10 | 77.23 | ----- | z | 50.47 | 41.86 | i | 64.94 | b | ||||||||||
1969 | 31.29 | 40.43 | 54.35 | 60.37 | 73.10 | 77.33 | ----- | z | ----- | z | 75.33 | 60.74 | 55.07 | 41.77 | 56.98 | b | ||||||||||
1970 | 42.52 | 48.79 | 53.55 | 54.37 | 72.74 | 80.27 | 88.35 | 86.48 | 70.83 | 61.61 | 48.87 | 40.79 | c | 62.43 | ||||||||||||
1971 | 47.71 | c | 47.57 | 49.52 | 58.67 | 67.52 | 71.90 | 86.80 | a | 89.29 | 71.07 | 59.61 | 51.03 | 42.77 | a | 61.95 | ||||||||||
1972 | 40.73 | a | 46.76 | 56.32 | 54.90 | 70.48 | 77.77 | 84.65 | 84.97 | 71.43 | 60.65 | 50.45 | a | 35.35 | 61.20 | |||||||||||
1973 | 38.70 | a | 46.70 | a | ----- | z | 60.90 | 70.55 | 75.60 | 86.06 | 81.97 | 73.63 | c | 62.13 | 44.73 | 44.87 | 62.35 | a | ||||||||
1974 | 35.84 | 49.11 | 51.74 | 57.80 | 64.13 | 82.37 | 82.57 | c | 84.74 | 80.58 | d | 65.35 | 50.00 | 45.38 | e | 62.47 | ||||||||||
1975 | 44.55 | 42.29 | 48.42 | 54.30 | 67.94 | 72.67 | 85.16 | 78.94 | 78.97 | 60.61 | 49.30 | 44.48 | 60.63 | |||||||||||||
1976 | 45.71 | 45.90 | 51.16 | 56.83 | 69.55 | 72.53 | 83.19 | 78.19 | 78.72 | a | 66.55 | 51.60 | 45.68 | 62.13 | ||||||||||||
1977 | 38.37 | a | 50.07 | 52.87 | 67.63 | 61.31 | b | 80.03 | 82.45 | 86.52 | 71.03 | a | 62.77 | 49.08 | f | 40.87 | 63.08 | a | ||||||||
1978 | 39.77 | 47.75 | 57.68 | 57.33 | 64.52 | 76.33 | 83.55 | 81.00 | 71.40 | 67.39 | 42.97 | ----- | z | 62.70 | a | |||||||||||
1979 | 25.03 | 43.61 | 56.39 | 58.13 | 70.52 | 78.33 | 85.61 | 81.90 | a | 79.87 | 64.52 | 42.37 | 47.52 | 61.15 | ||||||||||||
1980 | 36.58 | 43.38 | 51.32 | 61.73 | 66.65 | 70.73 | 86.13 | 81.55 | 78.40 | 63.19 | 50.00 | b | 49.42 | g | 62.70 | a | ||||||||||
1981 | 38.94 | 46.14 | 53.26 | 60.13 | 64.68 | 72.80 | 82.90 | 90.13 | 76.72 | l | 61.84 | 50.80 | 41.74 | 60.31 | a | |||||||||||
1982 | 40.37 | a | 44.82 | 52.32 | 57.80 | 67.26 | 76.37 | 81.77 | 83.72 | b | 71.03 | 59.77 | a | 43.57 | 39.16 | 59.83 | ||||||||||
1983 | 45.55 | 47.68 | 53.39 | 57.83 | a | 69.45 | 72.48 | i | 78.65 | 85.23 | a | 73.93 | 64.71 | 49.67 | 30.33 | a | 59.67 | a | ||||||||
1984 | 42.29 | 47.45 | 54.77 | 55.43 | 65.48 | 72.57 | 86.58 | 86.52 | 73.00 | 57.81 | 45.57 | 38.81 | 60.52 | |||||||||||||
1985 | 34.65 | 45.43 | 52.84 | 65.33 | 69.23 | 77.33 | f | 88.43 | h | 82.29 | 68.33 | 63.68 | 36.93 | 27.97 | 54.67 | b | ||||||||||
1986 | 43.29 | 45.61 | 58.97 | a | 59.17 | 69.71 | 83.07 | 80.55 | 90.03 | 69.23 | 65.87 | 49.10 | 38.29 | 62.74 | ||||||||||||
1987 | 41.10 | 46.79 | 54.32 | 66.83 | 72.19 | 81.86 | b | 79.96 | c | 85.26 | 80.37 | 69.55 | 49.50 | 38.53 | a | 63.85 | ||||||||||
1988 | 38.94 | 52.10 | 54.97 | 62.70 | 67.58 | 75.20 | 89.35 | h | 86.13 | 78.97 | a | 72.58 | 48.67 | 43.67 | a | 61.95 | a | |||||||||
1989 | 45.97 | 36.25 | 51.39 | 64.55 | a | 66.87 | 78.27 | 84.19 | 80.90 | 77.93 | 62.48 | 54.30 | 43.81 | 62.24 | ||||||||||||
1990 | 44.23 | 46.61 | 56.45 | 67.03 | 65.71 | 76.37 | 88.42 | 84.32 | 82.46 | b | 62.09 | h | 52.40 | 36.06 | 63.64 | a | ||||||||||
1991 | 42.52 | 52.89 | 50.52 | 57.13 | 62.61 | 69.97 | 86.17 | h | 87.45 | 81.30 | 64.71 | 48.57 | 40.74 | 59.86 | a | |||||||||||
1992 | 45.84 | 48.69 | 58.23 | 60.80 | 74.87 | 76.96 | f | 82.94 | 86.44 | d | 75.43 | 65.11 | c | 46.70 | 35.90 | 61.90 | a | |||||||||
1993 | 31.52 | 35.50 | 51.45 | 56.67 | c | 71.90 | 72.67 | 74.35 | 81.00 | 75.33 | i | 66.55 | 44.45 | a | ----- | z | 58.61 | b | ||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 40.54 | 46.72 | 52.81 | 60.56 | 68.27 | 75.35 | 84.01 | 83.41 | 75.63 | 63.62 | 48.73 | 41.45 | 61.76 | |||||||||||||
S.D. | 5.29 | 4.02 | 2.90 | 4.07 | 3.63 | 3.73 | 3.42 | 3.90 | 4.01 | 3.59 | 3.79 | 4.47 | 1.25 | |||||||||||||
SKEW | -0.91 | -0.72 | 0.28 | 0.08 | 0.27 | 0.10 | -0.29 | 0.24 | -0.13 | 0.12 | -0.65 | -0.82 | 1.01 | |||||||||||||
MAX | 50.97 | 53.25 | 58.97 | 68.80 | 76.77 | 83.07 | 92.30 | 92.06 | 82.63 | 72.58 | 55.50 | 47.90 | 65.29 | |||||||||||||
MIN | 25.03 | 35.50 | 48.00 | 53.10 | 61.31 | 66.77 | 74.35 | 75.11 | 67.14 | 56.43 | 36.93 | 27.97 | 59.83 | |||||||||||||
YRS | 49 | 46 | 47 | 51 | 48 | 43 | 41 | 47 | 46 | 45 | 48 | 44 | 22 |