YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1911 | ----- | z | ----- | z | ----- | z | 44.15 | 49.40 | 59.08 | 70.45 | 64.68 | 60.44 | v | 49.42 | m | 42.33 | 35.84 | 52.28 | e | |||||||
1912 | 33.79 | 39.22 | k | 37.00 | d | 48.50 | w | 52.89 | l | 60.42 | j | 64.18 | 62.52 | 52.48 | e | 41.81 | g | 30.15 | q | 32.06 | e | 47.00 | f | |||
1913 | 29.98 | g | 34.57 | n | 38.56 | o | 47.18 | b | 53.27 | 58.97 | a | 66.95 | c | 69.64 | i | 59.47 | m | 51.16 | l | 41.61 | c | 27.47 | a | 49.24 | f | |
1914 | 37.18 | a | 36.42 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.80 | j |
1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1916 | ----- | z | ----- | z | 42.39 | v | 48.82 | 48.11 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.82 | 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 | 41.50 | r | 45.27 | 55.11 | 58.38 | 68.78 | a | 67.34 | 57.33 | a | 49.87 | 39.53 | a | ----- | z | 55.20 | d | |||||
1946 | ----- | z | 42.17 | y | 40.58 | 47.52 | a | 55.18 | a | 58.32 | 66.95 | ----- | z | 56.62 | a | 44.79 | 36.33 | a | 36.48 | a | 49.20 | c | ||||
1947 | 30.87 | 39.02 | 43.89 | 48.68 | 58.66 | 57.79 | a | 66.76 | b | 64.47 | 60.80 | 51.57 | a | 41.81 | a | 37.24 | 50.13 | |||||||||
1948 | 31.87 | 32.09 | 38.14 | b | ----- | z | ----- | z | ----- | z | ----- | z | 60.29 | s | 57.21 | d | 46.46 | f | 38.31 | i | 25.86 | b | 37.03 | g | ||
1949 | 16.48 | f | 32.20 | r | 38.74 | n | 49.20 | ----- | z | ----- | z | ----- | z | ----- | z | 55.53 | o | ----- | z | 41.71 | i | ----- | z | 49.20 | k | |
1950 | 18.48 | b | 17.10 | r | 40.87 | p | 43.23 | 50.63 | 58.68 | e | 65.25 | g | 63.84 | ----- | z | 47.66 | 39.62 | 38.20 | f | 46.02 | e | |||||
1951 | 28.23 | e | 34.59 | 35.58 | a | 46.78 | 51.97 | a | 58.43 | 64.23 | 61.06 | 57.57 | 46.00 | c | 36.07 | 28.39 | 45.74 | |||||||||
1952 | 25.92 | 34.78 | 37.05 | 48.10 | 53.00 | 57.00 | c | 64.21 | b | 62.39 | d | 60.28 | 51.24 | 30.98 | 31.82 | c | 46.40 | |||||||||
1953 | 42.76 | 37.39 | 40.74 | 43.73 | 49.63 | a | 52.68 | 63.02 | 62.67 | a | 59.68 | 48.10 | 44.69 | d | 37.35 | 48.54 | ||||||||||
1954 | 33.28 | b | 38.29 | 34.85 | 46.66 | a | 52.63 | a | 55.25 | 62.83 | e | 58.81 | d | 55.05 | 44.39 | 41.97 | a | 31.50 | 46.29 | |||||||
1955 | 30.76 | 31.87 | a | 35.26 | 40.43 | a | 48.88 | a | 58.83 | a | 60.65 | 60.71 | 56.27 | 47.52 | g | 35.80 | 33.48 | b | 44.81 | a | ||||||
1956 | 32.18 | 29.63 | c | 39.34 | c | 46.53 | 54.16 | b | 54.42 | d | 63.94 | 61.34 | 55.78 | 46.84 | b | 35.62 | 35.32 | a | 46.26 | |||||||
1957 | 18.34 | 35.93 | 41.44 | d | 46.33 | 54.19 | 59.52 | 61.67 | g | 59.25 | c | 58.72 | 46.25 | c | 34.91 | g | 37.87 | 45.78 | b | |||||||
1958 | 35.82 | 42.48 | 36.96 | d | 44.57 | 58.31 | 61.25 | 66.67 | g | 67.77 | 57.60 | a | 48.93 | c | 39.82 | 38.48 | b | 48.36 | a | |||||||
1959 | 34.95 | 34.27 | 41.48 | 45.62 | a | 48.35 | 59.88 | e | 64.82 | a | 60.74 | d | 55.54 | f | 48.52 | 36.95 | 31.37 | d | 46.09 | a | ||||||
1960 | 24.45 | 34.10 | 40.52 | 46.28 | a | 49.50 | a | 58.19 | f | 70.12 | n | 60.98 | 58.47 | a | 49.63 | 37.25 | 31.33 | b | 43.25 | b | ||||||
1961 | 36.02 | 40.94 | c | 41.56 | 45.23 | 50.45 | 62.40 | 65.32 | c | 68.55 | b | 53.54 | b | 46.39 | 34.37 | 32.59 | b | 48.11 | ||||||||
1962 | 29.84 | 34.34 | 37.85 | 48.37 | 48.79 | 60.00 | f | 63.37 | a | 61.66 | 59.27 | 47.85 | 41.52 | 36.39 | 46.29 | a | ||||||||||
1963 | 25.65 | a | 42.04 | a | 39.63 | 43.00 | 52.44 | 56.69 | a | 60.53 | a | 63.95 | 63.25 | 49.92 | 40.82 | 32.47 | 47.53 | |||||||||
1964 | 35.65 | 35.74 | 37.79 | 43.13 | 49.81 | 57.18 | 64.77 | 61.40 | 55.08 | 47.53 | 36.00 | 32.05 | 46.35 | |||||||||||||
1965 | 33.60 | 38.79 | 38.00 | 47.40 | 48.27 | k | 58.59 | b | 64.63 | 63.48 | 52.90 | 51.55 | 41.45 | 31.92 | f | 49.04 | b | |||||||||
1966 | 34.66 | 34.93 | 40.40 | 45.77 | 53.55 | 57.37 | c | 62.58 | g | 62.48 | 58.95 | 49.65 | 40.43 | a | 36.67 | a | 46.81 | a | ||||||||
1967 | 38.33 | a | 39.50 | a | 38.81 | 40.82 | 52.56 | 60.81 | i | 65.48 | 69.10 | 62.50 | 50.27 | 39.15 | 32.06 | 48.05 | a | |||||||||
1968 | 34.81 | 40.41 | 43.03 | 42.93 | 51.48 | 58.88 | 65.26 | 63.08 | 58.70 | ----- | z | 40.35 | 32.75 | i | 49.89 | b | ||||||||||
1969 | 21.94 | 33.02 | 39.87 | 44.95 | 55.60 | 61.48 | ----- | z | ----- | z | 58.02 | 44.95 | 40.95 | 33.98 | 43.48 | b | ||||||||||
1970 | 33.42 | a | 39.91 | 40.27 | 40.22 | 54.08 | 62.72 | 68.05 | 64.76 | 53.63 | 45.92 | 38.50 | 33.05 | c | 47.88 | |||||||||||
1971 | 38.75 | c | 35.93 | 37.90 | a | 44.02 | 52.58 | 55.83 | 65.37 | a | 67.87 | 53.05 | 44.61 | 39.48 | 34.32 | a | 47.48 | |||||||||
1972 | 31.78 | a | 36.48 | 43.60 | 41.20 | 53.95 | 60.35 | 65.63 | 65.42 | 54.65 | 45.58 | 40.95 | a | 25.34 | 47.08 | |||||||||||
1973 | 30.31 | b | 37.13 | a | ----- | z | 44.88 | 53.87 | 58.77 | 65.37 | 61.94 | 57.56 | c | 47.87 | 37.55 | 37.65 | 48.44 | a | ||||||||
1974 | 27.81 | 38.27 | 40.53 | 44.07 | 49.55 | 62.68 | 64.21 | c | 64.63 | 60.44 | d | 48.58 | 40.20 | 36.75 | e | 48.14 | ||||||||||
1975 | 35.44 | 32.89 | 37.44 | 40.22 | 51.52 | 57.15 | 67.39 | 60.69 | 58.28 | 48.94 | 39.37 | 36.35 | 47.14 | |||||||||||||
1976 | 35.82 | 35.38 | 38.31 | 42.82 | 52.39 | 55.00 | 64.77 | 62.82 | 60.33 | a | 49.29 | 42.25 | 33.02 | 47.68 | ||||||||||||
1977 | 28.23 | a | 38.23 | 39.26 | 49.40 | 47.79 | b | 61.95 | 64.02 | 68.34 | 55.50 | a | 48.13 | 38.00 | f | 34.76 | 48.69 | a | ||||||||
1978 | 33.50 | a | 39.20 | 43.76 | 44.63 | 49.21 | 59.55 | 64.69 | 63.24 | 55.77 | 49.44 | 31.53 | ----- | z | 48.59 | a | ||||||||||
1979 | 14.31 | 35.68 | 42.90 | 45.45 | 53.50 | 59.78 | 65.26 | 64.07 | a | 61.20 | 51.35 | 34.85 | 37.66 | 47.17 | ||||||||||||
1980 | 28.05 | 36.00 | 39.56 | 47.38 | 51.81 | 55.63 | 66.00 | 61.02 | 60.22 | 48.16 | 40.46 | b | 39.69 | g | 48.57 | a | ||||||||||
1981 | 32.87 | 36.34 | 41.27 | 46.15 | 51.06 | 57.63 | 63.34 | 67.68 | 58.69 | l | 47.97 | 40.38 | 34.23 | 47.18 | a | |||||||||||
1982 | 30.83 | a | 35.43 | 39.74 | 42.70 | 50.81 | 60.60 | 64.16 | 64.95 | b | 55.90 | 46.43 | a | 34.62 | 32.21 | 46.53 | ||||||||||
1983 | 37.58 | 40.43 | 43.52 | 43.93 | a | 53.40 | 56.76 | i | 62.15 | 66.75 | a | 55.60 | 50.13 | 41.62 | 24.05 | a | 47.20 | a | ||||||||
1984 | 33.47 | 38.00 | 43.39 | 43.25 | 51.11 | 56.53 | 65.66 | 65.89 | 55.85 | 45.03 | 38.15 | 30.10 | a | 47.20 | ||||||||||||
1985 | 27.42 | 33.59 | a | 38.71 | 49.08 | 52.89 | 59.48 | f | 68.48 | h | 62.73 | 52.72 | 47.53 | 27.02 | 19.68 | 41.14 | b | |||||||||
1986 | 35.60 | 37.23 | 45.82 | a | 43.58 | 53.39 | 64.45 | 61.95 | 68.50 | 53.85 | 49.48 | 39.92 | 31.98 | 48.81 | ||||||||||||
1987 | 31.63 | 36.64 | 41.79 | 50.18 | 55.42 | 61.71 | b | 62.36 | c | 64.02 | 59.63 | 50.53 | 38.90 | 30.66 | b | 48.62 | ||||||||||
1988 | 31.32 | 38.53 | 40.63 | 48.88 | 51.53 | 58.73 | 68.04 | h | 63.84 | 58.60 | a | 55.06 | 40.37 | 32.62 | a | 47.28 | a | |||||||||
1989 | 36.60 | 25.00 | 40.95 | 49.57 | a | 51.45 | 60.13 | 63.60 | 61.90 | 57.53 | 47.87 | 41.67 | 32.34 | 47.38 | ||||||||||||
1990 | 36.53 | 35.38 | 42.02 | 51.62 | 50.61 | 60.22 | 67.85 | 66.19 | 62.61 | b | 47.98 | h | 41.10 | 25.44 | 49.05 | a | ||||||||||
1991 | 32.10 | 41.88 | 38.85 | 43.45 | 49.44 | 55.50 | 66.93 | h | 67.76 | 60.20 | 48.02 | 40.13 | 33.66 | 46.45 | a | |||||||||||
1992 | 36.94 | 39.62 | 43.21 | 48.27 | 56.50 | 60.23 | f | 64.10 | a | 65.93 | d | 57.73 | 50.04 | c | 37.07 | b | 28.02 | 47.95 | a | |||||||
1993 | 22.89 | 26.73 | 41.18 | 44.89 | c | 56.73 | 57.23 | 58.15 | 62.31 | 55.43 | i | 50.94 | 30.69 | a | ----- | z | 45.17 | b | ||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 31.51 | 36.31 | 40.10 | 45.50 | 52.34 | 58.68 | 64.66 | 63.95 | 57.49 | 48.38 | 38.56 | 32.54 | 47.45 | |||||||||||||
S.D. | 5.71 | 3.62 | 2.49 | 2.76 | 2.55 | 2.48 | 2.28 | 2.68 | 2.79 | 2.25 | 3.54 | 4.14 | 1.05 | |||||||||||||
SKEW | -0.99 | -0.89 | -0.01 | 0.00 | 0.43 | -0.01 | -0.18 | 0.26 | 0.02 | 0.30 | -1.21 | -0.94 | 0.61 | |||||||||||||
MAX | 42.76 | 42.48 | 45.82 | 51.62 | 58.66 | 64.45 | 70.45 | 69.10 | 63.25 | 55.06 | 44.69 | 38.48 | 50.13 | |||||||||||||
MIN | 14.31 | 25.00 | 34.85 | 40.22 | 47.79 | 52.68 | 58.15 | 58.81 | 52.48 | 44.39 | 27.02 | 19.68 | 45.74 | |||||||||||||
YRS | 48 | 46 | 46 | 51 | 48 | 43 | 41 | 47 | 45 | 44 | 47 | 44 | 21 |