YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1893 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1894 | ----- | z | ----- | z | ----- | z | 42.02 | 52.63 | 54.17 | 67.31 | 70.27 | 53.30 | 46.69 | 41.58 | 20.18 | 49.79 | c | |||||||||
1895 | 18.76 | 25.66 | 30.48 | 45.33 | 52.06 | g | 59.97 | n | 66.83 | e | 69.15 | 53.28 | 53.77 | ----- | z | ----- | z | 45.41 | d | |||||||
1896 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1897 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1898 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1899 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1900 | ----- | z | ----- | z | 38.39 | v | 47.92 | 58.02 | 69.52 | 71.23 | 64.95 | 56.77 | 46.68 | ----- | z | ----- | z | 59.30 | e | |||||||
1901 | 19.44 | m | 22.77 | 29.98 | 39.70 | 56.48 | 54.53 | 69.85 | 69.34 | 53.17 | 51.26 | 38.85 | 23.81 | 46.34 | a | |||||||||||
1902 | 22.26 | 29.70 | 26.32 | 41.87 | 52.40 | 61.05 | 65.37 | a | 65.15 | 57.62 | ----- | z | ----- | z | 21.69 | 44.34 | b | |||||||||
1903 | ----- | z | ----- | z | 27.71 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 27.71 | k | |
1904 | ----- | z | ----- | z | ----- | z | 39.88 | ----- | z | ----- | z | 64.23 | 68.39 | 60.80 | ----- | z | ----- | z | ----- | z | 58.32 | h | ||||
1905 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 55.88 | ----- | z | 67.32 | 57.98 | 41.63 | 37.55 | 22.31 | 47.11 | f | ||||||
1906 | 25.85 | ----- | z | 29.82 | a | ----- | z | 41.43 | p | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 27.84 | j | |
1907 | ----- | z | ----- | z | ----- | z | ----- | z | 51.56 | 55.69 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.63 | j | |
1908 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 22.69 | w | ----- | z |
1909 | 26.64 | c | 23.95 | 31.39 | 38.63 | 48.89 | 60.60 | 66.02 | 68.75 | a | 54.83 | 45.96 | d | 33.85 | 14.18 | 42.81 | ||||||||||
1910 | 16.25 | a | 19.05 | 38.90 | 49.67 | 54.79 | 62.00 | 71.00 | 65.08 | a | 58.17 | 48.13 | a | 34.65 | 23.16 | b | 45.07 | |||||||||
1911 | 21.26 | 17.38 | 30.34 | 39.80 | 49.53 | 60.78 | 67.50 | 64.35 | 54.43 | 43.55 | 28.38 | 19.84 | c | 41.43 | ||||||||||||
1912 | 20.89 | 26.84 | d | 29.68 | 41.25 | 50.98 | 61.02 | g | 64.83 | a | 62.46 | e | 50.88 | 41.50 | a | 33.73 | 21.67 | a | 40.43 | a | ||||||
1913 | 14.98 | 17.38 | 28.60 | 42.84 | a | 53.85 | 58.20 | 64.18 | 68.08 | 56.85 | 42.95 | b | 35.47 | 21.85 | 42.10 | |||||||||||
1914 | 23.40 | 22.93 | 31.84 | 45.18 | 54.63 | a | 55.98 | 67.24 | 65.68 | 53.65 | 47.32 | 36.55 | 17.37 | 43.48 | ||||||||||||
1915 | 19.66 | 28.75 | 37.21 | 50.03 | 48.47 | 55.45 | 63.66 | 70.28 | b | 54.97 | 48.61 | 30.87 | 22.82 | 44.23 | ||||||||||||
1916 | 15.53 | 26.93 | 34.16 | 44.73 | 47.00 | 56.66 | a | 66.58 | 65.25 | a | 57.65 | 43.48 | 28.85 | 14.92 | 41.81 | |||||||||||
1917 | 12.55 | b | 19.89 | 20.32 | 35.15 | 48.26 | 56.13 | 70.15 | 66.73 | a | 60.13 | 48.90 | 40.28 | 32.93 | b | 42.62 | ||||||||||
1918 | 26.32 | a | 24.02 | 34.47 | 41.30 | 49.23 | 66.37 | 66.87 | 61.56 | 59.30 | 47.97 | 31.09 | a | 23.03 | 44.29 | |||||||||||
1919 | 22.17 | a | 21.57 | 29.15 | 44.33 | 54.27 | 61.98 | 69.66 | 69.08 | a | 60.93 | 40.81 | b | 31.67 | a | 21.00 | a | 43.89 | ||||||||
1920 | 22.63 | 27.36 | 30.06 | 38.12 | 49.27 | 57.07 | 68.74 | 65.44 | 56.14 | a | 41.50 | 31.87 | 21.03 | a | 42.44 | |||||||||||
1921 | 20.62 | a | 22.45 | 33.05 | 39.03 | a | 50.61 | 60.08 | 67.06 | 64.35 | 50.25 | 49.13 | 35.22 | 25.03 | 43.07 | |||||||||||
1922 | 11.65 | 18.96 | 25.48 | a | 35.98 | 50.63 | 62.88 | 67.52 | 67.34 | 60.25 | 48.29 | 32.12 | 19.39 | 41.71 | ||||||||||||
1923 | 20.79 | 18.59 | 27.16 | 41.85 | 50.85 | 54.67 | 68.52 | a | 65.23 | 59.15 | 43.35 | 37.71 | a | 19.79 | 42.30 | |||||||||||
1924 | 18.32 | 32.00 | 30.77 | 43.72 | 56.47 | 59.37 | d | 68.05 | 65.81 | 57.27 | 44.82 | 30.57 | 16.79 | 43.66 | ||||||||||||
1925 | 20.35 | 27.16 | 33.11 | 44.55 | 54.40 | 57.57 | 69.90 | 63.39 | 55.43 | 44.29 | 32.30 | 28.05 | 44.21 | |||||||||||||
1926 | 20.24 | 27.73 | 36.21 | 48.45 | 52.10 | 63.28 | 68.03 | 65.84 | 50.33 | 47.24 | 34.87 | 19.47 | 44.48 | |||||||||||||
1927 | 22.79 | 24.02 | 29.03 | 39.25 | 47.24 | 58.68 | 66.23 | 62.16 | 53.32 | 46.08 | 35.72 | 16.84 | 41.78 | |||||||||||||
1928 | 22.77 | 22.95 | 34.97 | 38.63 | 55.56 | 54.42 | 66.10 | 62.16 | 57.22 | 44.97 | 32.28 | 18.11 | 42.51 | |||||||||||||
1929 | 10.87 | 14.84 | 31.53 | 38.33 | 50.55 | 57.88 | 68.55 | 69.45 | 52.93 | 47.79 | 31.35 | 29.94 | 42.00 | |||||||||||||
1930 | 13.15 | 30.32 | 34.44 | 48.27 | 49.68 | 57.73 | 69.71 | b | 66.77 | 56.70 | 44.06 | 28.97 | a | 17.74 | 43.13 | |||||||||||
1931 | 20.97 | 25.75 | 32.19 | 43.72 | 53.47 | 62.32 | 71.13 | 67.95 | 56.87 | 46.95 | 26.16 | a | 19.06 | 43.88 | ||||||||||||
1932 | 12.11 | 20.19 | 29.47 | 41.53 | 51.12 | a | 58.40 | 65.85 | 63.82 | 57.93 | 43.42 | 35.97 | 16.58 | 41.37 | ||||||||||||
1933 | 17.56 | 11.14 | 29.92 | 40.43 | 46.63 | 63.07 | 70.92 | a | 65.94 | 55.02 | 50.70 | a | 38.05 | 28.52 | 43.16 | |||||||||||
1934 | 25.06 | 34.11 | 42.94 | 51.60 | 57.37 | a | 59.42 | 70.10 | 69.66 | 55.28 | 49.53 | 38.27 | 24.05 | 48.11 | ||||||||||||
1935 | 21.31 | 25.23 | 30.42 | 41.58 | 49.06 | 58.98 | 67.73 | 66.11 | 59.62 | 45.11 | 24.23 | 20.76 | 42.51 | |||||||||||||
1936 | 16.08 | 19.33 | 27.10 | 44.37 | 56.27 | 61.83 | a | 71.74 | 67.52 | 56.55 | 48.92 | 33.43 | 24.37 | 43.96 | ||||||||||||
1937 | 6.05 | 20.46 | 32.40 | 40.13 | 55.13 | 58.50 | 69.68 | 66.24 | 61.12 | 49.92 | 35.18 | 25.40 | 43.35 | |||||||||||||
1938 | 21.97 | 24.43 | 30.44 | 42.52 | 50.40 | 60.97 | 65.66 | 64.76 | 61.62 | b | 47.32 | 27.02 | 23.94 | 43.42 | ||||||||||||
1939 | 20.27 | 17.00 | 32.39 | 47.35 | 56.47 | 58.41 | a | 68.82 | 68.73 | 59.37 | 46.52 | 38.63 | 31.70 | a | 45.47 | |||||||||||
1940 | 23.08 | 28.09 | 35.48 | 44.48 | 56.37 | 64.50 | 69.13 | 68.47 | 56.37 | 48.31 | 27.97 | 27.02 | 45.77 | |||||||||||||
1941 | 22.74 | 29.12 | 36.47 | 43.82 | 53.92 | a | 58.47 | 68.98 | 64.16 | 51.76 | a | 45.60 | 37.25 | 26.76 | 44.92 | |||||||||||
1942 | 18.45 | 19.54 | a | 27.79 | 46.28 | 48.24 | 55.77 | 69.29 | 67.29 | 59.28 | 49.06 | 32.56 | f | 23.30 | c | 44.03 | a | |||||||||
1943 | 19.21 | c | 25.17 | e | 27.11 | d | 48.70 | e | 49.98 | e | 55.62 | b | 67.48 | a | 65.82 | 61.97 | 47.97 | 37.35 | 28.77 | 44.60 | ||||||
1944 | 20.24 | 26.55 | 27.87 | 41.97 | 53.17 | b | 54.57 | 64.53 | 63.52 | 57.95 | 52.58 | 30.52 | 22.53 | 43.00 | ||||||||||||
1945 | 23.98 | 26.59 | 30.66 | 40.18 | 51.55 | 55.47 | 68.14 | b | 67.50 | 54.03 | 50.68 | 29.40 | a | 19.18 | 43.11 | |||||||||||
1946 | 17.79 | 21.62 | 33.45 | 47.02 | 52.65 | 59.02 | 69.32 | a | 66.85 | a | 56.12 | 40.06 | 31.41 | a | 27.53 | a | 43.57 | |||||||||
1947 | 16.95 | a | 30.16 | 37.48 | 44.87 | 57.18 | 56.42 | 69.71 | 65.85 | 58.22 | 47.24 | 26.36 | a | 24.33 | b | 44.56 | ||||||||||
1948 | 22.10 | 24.47 | 29.27 | 41.65 | 51.18 | 61.80 | 66.40 | 65.40 | 57.70 | 48.13 | 27.95 | 15.82 | 42.66 | |||||||||||||
1949 | 6.29 | 19.82 | 33.85 | 47.80 | 55.34 | 59.45 | 67.56 | 68.52 | 60.55 | 42.11 | 41.30 | 21.93 | a | 43.71 | ||||||||||||
1950 | 15.48 | 23.84 | 29.32 | 41.37 | 50.03 | 59.08 | 66.89 | 66.00 | 57.47 | 49.31 | 35.58 | 27.72 | b | 43.51 | ||||||||||||
1951 | 18.47 | 25.71 | 26.77 | 45.47 | 52.60 | a | 55.65 | 68.52 | 64.27 | 57.47 | a | 43.42 | 29.62 | 14.90 | 41.91 | |||||||||||
1952 | 15.63 | 18.78 | 26.56 | 43.43 | 53.87 | 59.88 | 65.97 | 66.06 | 61.43 | 53.35 | 28.22 | 21.81 | 42.92 | |||||||||||||
1953 | 29.63 | 25.75 | 33.26 | 41.55 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 32.55 | h | ||||
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 28.50 | x | 24.24 | 24.24 | k | |
1960 | 15.55 | 19.66 | 30.65 | 42.55 | 49.22 | b | 60.97 | a | 71.52 | 62.08 | a | 58.88 | 44.72 | a | 32.10 | 21.70 | f | 44.35 | a | |||||||
1961 | 23.26 | 27.50 | 29.38 | c | 40.48 | a | 49.48 | 65.34 | b | 69.79 | 69.82 | 52.30 | c | 43.79 | 31.72 | a | 19.35 | 43.52 | ||||||||
1962 | 14.18 | f | 24.29 | b | 27.90 | a | 45.45 | 48.43 | a | 57.05 | 63.88 | a | 62.34 | 58.71 | a | 48.81 | 36.00 | 25.97 | 45.35 | a | ||||||
1963 | 14.37 | 33.80 | 33.39 | 39.05 | 52.18 | c | 54.81 | a | 64.47 | a | 66.77 | a | 60.67 | d | 50.00 | 31.45 | 18.60 | 43.30 | ||||||||
1964 | 15.34 | 15.59 | 22.61 | 38.88 | 49.27 | 55.22 | 68.02 | 62.95 | 54.60 | 49.60 | 30.32 | 21.57 | b | 40.33 | ||||||||||||
1965 | 22.47 | 23.57 | a | 27.74 | 42.78 | 47.15 | 56.97 | 64.95 | 62.05 | 50.31 | c | 51.14 | b | 38.65 | c | 24.22 | a | 42.67 | ||||||||
1966 | 19.60 | 21.77 | 32.16 | 43.57 | 55.79 | 59.07 | a | 68.45 | a | 66.90 | a | 61.43 | 45.17 | a | 35.55 | 19.90 | a | 44.11 | ||||||||
1967 | 23.44 | 25.06 | b | 31.65 | 36.87 | 51.40 | 56.08 | 68.27 | 69.68 | 61.00 | 47.22 | f | 34.94 | f | 17.98 | 44.14 | b | |||||||||
1968 | 19.53 | 32.34 | ----- | z | 40.82 | 49.18 | 57.91 | c | 67.65 | 60.81 | b | 56.52 | f | 45.42 | 28.65 | t | 20.12 | a | 43.75 | c | ||||||
1969 | 22.50 | a | 22.85 | k | 27.62 | c | 43.02 | a | 55.32 | a | 57.22 | 65.50 | a | 68.60 | a | 59.30 | 41.15 | 34.77 | b | 25.11 | 45.46 | a | ||||
1970 | 23.79 | 29.64 | 31.92 | 36.60 | 51.26 | 61.11 | c | 67.03 | a | 69.39 | 51.02 | h | 42.13 | 34.40 | 19.53 | 42.44 | a | |||||||||
1971 | 22.50 | 22.36 | 27.56 | 40.23 | 52.05 | 57.20 | 67.48 | 71.19 | 52.47 | 43.87 | 30.15 | 16.98 | b | 42.00 | ||||||||||||
1972 | 18.37 | 24.53 | 38.13 | a | 41.23 | 51.78 | a | 60.68 | 65.07 | c | 68.37 | a | 52.12 | a | ----- | z | ----- | z | 18.68 | c | 43.90 | b | ||||
1973 | 18.12 | a | 23.24 | a | 30.18 | 38.73 | 52.90 | b | 58.71 | d | ----- | z | 66.25 | a | ----- | z | ----- | z | 33.68 | s | 25.06 | e | 39.15 | d | ||
1974 | 17.98 | b | 21.43 | 32.73 | 42.83 | 49.61 | d | 64.11 | c | 68.57 | a | 64.92 | a | 59.74 | c | 47.32 | f | 33.61 | u | 23.24 | b | 44.52 | b | |||
1975 | 15.00 | a | 22.50 | a | 28.86 | b | 34.25 | d | 48.26 | b | 56.69 | d | 70.08 | 61.45 | 57.82 | 45.03 | l | 25.30 | t | 28.05 | j | 43.88 | c | |||
1976 | 23.38 | c | 25.48 | a | 29.13 | h | 40.70 | h | 53.67 | h | 57.38 | e | 67.55 | 60.00 | a | 58.13 | 45.80 | p | ----- | z | 26.23 | t | 48.65 | f | ||
1977 | 14.38 | r | 25.79 | n | 29.94 | o | 47.86 | a | 44.67 | e | 63.92 | e | 64.34 | b | 63.91 | d | 54.46 | d | 49.19 | o | ----- | z | 24.50 | j | 56.53 | f |
1978 | 23.79 | n | 23.06 | l | 35.05 | j | 40.16 | n | 47.40 | p | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.48 | 45.81 | 31.08 | 23.97 | 37.59 | h | ||||
1987 | 16.28 | a | 28.02 | 35.40 | b | 48.70 | 52.90 | 59.78 | 62.88 | b | ----- | z | ----- | z | ----- | z | 33.85 | 21.92 | 39.97 | c | ||||||
1988 | 18.61 | 25.76 | 33.60 | a | 45.98 | d | 49.30 | a | ----- | z | 69.86 | q | 64.71 | 54.95 | 51.87 | ----- | z | ----- | z | 43.10 | d | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 19.28 | 23.98 | 31.05 | 42.68 | 51.77 | 58.92 | 67.65 | 66.03 | 56.67 | 46.62 | 33.21 | 22.08 | 43.30 | |||||||||||||
S.D. | 4.52 | 4.60 | 3.82 | 3.76 | 3.04 | 3.22 | 2.14 | 2.60 | 3.24 | 3.30 | 4.01 | 4.11 | 1.34 | |||||||||||||
SKEW | -0.65 | -0.14 | 0.27 | 0.16 | 0.13 | 0.80 | -0.15 | -0.20 | -0.37 | 0.03 | 0.03 | 0.36 | 0.84 | |||||||||||||
MAX | 29.63 | 34.11 | 42.94 | 51.60 | 58.02 | 69.52 | 71.74 | 71.19 | 61.97 | 53.77 | 41.58 | 32.93 | 48.11 | |||||||||||||
MIN | 6.05 | 11.14 | 20.32 | 34.25 | 44.67 | 54.17 | 62.88 | 60.00 | 49.48 | 40.06 | 24.23 | 14.18 | 40.33 | |||||||||||||
YRS | 66 | 66 | 67 | 70 | 68 | 68 | 68 | 70 | 68 | 62 | 58 | 65 | 48 |