YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1894 | 8.73 | p | 9.73 | b | 27.45 | 38.33 | ----- | z | 57.63 | 61.29 | 59.48 | 51.43 | 39.77 | 27.13 | 18.48 | 39.07 | b | |||||||||
1895 | 15.35 | 11.64 | 24.94 | 37.47 | 47.00 | 56.87 | 59.74 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.14 | e | |||||||
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1901 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1902 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1903 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1904 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1905 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1906 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1907 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | 16.59 | a | 21.68 | 35.90 | 44.03 | 53.67 | 63.80 | a | 59.47 | a | 54.00 | 33.71 | 29.47 | 12.52 | 38.62 | a | ||||||||
1918 | 9.27 | a | 19.54 | 31.97 | 34.80 | 50.32 | 61.83 | 62.94 | 63.77 | 49.93 | 45.26 | 25.23 | 19.00 | 39.49 | ||||||||||||
1919 | 9.00 | b | 14.96 | 31.06 | 39.53 | 48.77 | 54.47 | 64.06 | 61.39 | 58.13 | 38.90 | 23.53 | 15.48 | 38.28 | ||||||||||||
1920 | 20.13 | 21.17 | 25.58 | 32.53 | 48.19 | 58.13 | 61.68 | 58.06 | 52.10 | 41.58 | 26.07 | 20.74 | 38.83 | |||||||||||||
1921 | 22.06 | 23.71 | 32.84 | 36.13 | 50.26 | 59.13 | 63.87 | 62.10 | 56.03 | 41.03 | 25.70 | 19.81 | 41.06 | |||||||||||||
1922 | 15.13 | 17.25 | 26.77 | 38.67 | 48.65 | 59.27 | 62.16 | 63.84 | 55.80 | 38.61 | 28.63 | 17.03 | 39.32 | |||||||||||||
1923 | 19.97 | 15.32 | 21.77 | 38.00 | 47.35 | 59.13 | 62.87 | 61.68 | 52.73 | 39.97 | 27.40 | 20.74 | 38.91 | |||||||||||||
1924 | 12.58 | 23.24 | 19.48 | 35.43 | 40.68 | 56.07 | 61.16 | 62.61 | 49.20 | 40.84 | 25.28 | a | 10.55 | 36.43 | ||||||||||||
1925 | 10.16 | 21.46 | 28.90 | 38.20 | 48.65 | 58.80 | 61.29 | 58.03 | 54.50 | 32.97 | 23.03 | 17.55 | 37.80 | |||||||||||||
1926 | 16.61 | 20.93 | 25.34 | b | 33.67 | 49.35 | 56.37 | 61.26 | 60.32 | 55.53 | 40.26 | 24.10 | 16.19 | 38.33 | ||||||||||||
1927 | 17.68 | 20.75 | 26.23 | 40.43 | 50.03 | 56.50 | 61.84 | 59.84 | 53.87 | 38.77 | 27.43 | 10.26 | 38.64 | |||||||||||||
1928 | 17.13 | 21.48 | 28.71 | 34.30 | 48.61 | 53.87 | 61.87 | 60.03 | 48.70 | 40.45 | 28.23 | 19.74 | 38.59 | |||||||||||||
1929 | 13.35 | 11.29 | 28.58 | 36.73 | 46.73 | a | 56.70 | 63.58 | 62.23 | 52.13 | 40.61 | 20.60 | 19.94 | 37.71 | ||||||||||||
1930 | 5.39 | 25.61 | 21.81 | 40.55 | a | 46.77 | 58.90 | 64.42 | 62.71 | 52.93 | 41.81 | 28.47 | 19.16 | 39.04 | ||||||||||||
1931 | 18.77 | 26.25 | 23.58 | 36.67 | 43.77 | 59.43 | 62.06 | 59.94 | 58.77 | 42.68 | 26.97 | a | 22.68 | 40.13 | ||||||||||||
1932 | 17.45 | 25.97 | 21.68 | 38.53 | 50.45 | 57.07 | 65.16 | 63.00 | 51.37 | 35.16 | 23.17 | 11.10 | a | 38.34 | ||||||||||||
1933 | 17.90 | 10.82 | 30.03 | 34.17 | 47.00 | 59.93 | 63.94 | 62.29 | 57.30 | 38.94 | 29.77 | 24.81 | 39.74 | |||||||||||||
1934 | 21.03 | 23.07 | a | 27.77 | 39.27 | 51.13 | 61.40 | 67.29 | 65.52 | 49.57 | 43.10 | 30.70 | 18.17 | a | 41.50 | |||||||||||
1935 | 21.45 | 23.00 | 33.03 | 38.13 | 46.13 | 59.33 | 67.19 | 63.84 | 52.47 | 42.48 | 24.43 | 22.29 | 41.15 | |||||||||||||
1936 | 17.61 | 9.76 | 28.27 | a | 36.63 | 54.00 | 60.40 | 64.13 | 63.71 | 55.10 | 39.48 | 26.07 | 23.00 | 39.85 | ||||||||||||
1937 | 8.26 | 18.79 | 28.23 | 37.10 | 52.19 | 59.50 | 66.39 | 67.94 | 57.33 | 42.61 | 25.60 | 19.55 | 40.29 | |||||||||||||
1938 | 21.26 | 24.70 | a | 34.35 | 39.90 | 50.42 | 61.03 | 64.32 | 65.71 | 55.43 | 44.45 | 23.67 | 21.19 | 42.20 | ||||||||||||
1939 | 24.06 | 14.78 | a | 29.55 | 39.07 | 49.77 | 57.57 | 64.55 | 61.42 | 57.67 | 40.10 | 26.63 | 20.74 | 40.49 | ||||||||||||
1940 | 6.10 | 24.62 | 29.16 | 36.80 | 48.93 | b | 55.63 | 64.50 | a | 61.55 | 56.83 | 41.32 | 25.71 | b | 23.13 | 39.52 | ||||||||||
1941 | 23.03 | a | 24.61 | 28.77 | 40.10 | 53.19 | 56.60 | 61.81 | 60.39 | 55.23 | 43.39 | 27.53 | 22.42 | 41.42 | ||||||||||||
1942 | 15.39 | 17.54 | 28.19 | 43.00 | a | 47.45 | 58.00 | a | 62.03 | 61.07 | a | 50.74 | c | 41.48 | 29.30 | 21.35 | 39.63 | |||||||||
1943 | 19.16 | 22.82 | 22.79 | b | 42.52 | a | 44.81 | 59.40 | 65.35 | 66.32 | f | 52.32 | b | 37.52 | 25.90 | 18.73 | a | 37.39 | a | |||||||
1944 | 20.26 | 23.90 | 25.77 | a | 37.13 | 50.60 | a | 59.17 | 62.67 | a | 63.00 | 52.48 | a | 41.29 | 30.77 | 21.68 | 40.73 | |||||||||
1945 | 20.45 | 25.27 | b | 30.47 | a | 35.10 | a | 45.71 | 53.62 | a | 62.74 | 63.03 | a | 51.14 | b | 39.29 | 24.58 | f | 17.10 | b | 40.36 | a | ||||
1946 | 20.16 | 24.42 | b | 32.52 | f | 43.25 | f | 43.74 | d | 59.90 | a | 66.33 | d | 63.34 | b | 55.52 | c | 42.45 | 27.79 | a | 25.89 | c | 42.96 | b | ||
1947 | 18.72 | b | 19.77 | b | 23.74 | d | 37.08 | d | 47.45 | 55.00 | b | 63.55 | 64.68 | 55.43 | b | 47.62 | b | 24.75 | b | 21.85 | e | 39.97 | ||||
1948 | 17.35 | 20.07 | b | 20.53 | a | 41.90 | a | 48.21 | b | 57.93 | a | 62.21 | c | 60.36 | i | 53.93 | a | 38.85 | r | 26.32 | b | 19.50 | i | 38.72 | c | |
1949 | 9.00 | d | 20.36 | 29.00 | j | 38.15 | d | 48.42 | 51.17 | x | 64.18 | t | 61.33 | a | 51.48 | c | 40.27 | a | 30.80 | e | 18.00 | c | 35.31 | c | ||
1950 | 13.87 | 16.09 | f | 26.39 | m | 36.60 | 45.29 | 59.00 | a | 61.84 | 57.74 | 52.96 | b | 43.60 | a | 24.60 | 20.10 | 41.56 | b | |||||||
1951 | 16.23 | a | 21.46 | d | 22.52 | 34.37 | 47.94 | 53.83 | 64.50 | a | 61.87 | 49.47 | 38.26 | 22.10 | 13.84 | 37.20 | ||||||||||
1952 | 16.61 | 20.55 | 23.58 | 35.93 | 45.26 | 64.10 | 62.45 | 63.13 | 51.77 | 32.74 | 21.63 | 17.52 | 37.94 | |||||||||||||
1953 | 21.03 | 18.18 | 29.77 | 32.17 | 43.39 | 60.83 | 62.90 | 61.00 | 49.53 | 40.26 | 27.37 | 18.35 | 38.73 | |||||||||||||
1954 | 14.19 | 25.00 | 22.35 | 38.77 | 45.30 | a | 57.15 | c | 64.71 | 62.55 | 55.38 | a | 40.13 | 27.17 | 18.65 | 39.28 | ||||||||||
1955 | 16.48 | 14.86 | 21.26 | 37.63 | 50.58 | 56.10 | 63.29 | 63.77 | 54.40 | 39.65 | 21.70 | 17.00 | 38.06 | |||||||||||||
1956 | 16.29 | 18.48 | 23.97 | a | 32.73 | 50.81 | 61.83 | 63.19 | 58.39 | 51.00 | 41.61 | 23.93 | 20.61 | 38.57 | ||||||||||||
1957 | 14.48 | 24.32 | 30.35 | 38.17 | 47.94 | 56.13 | 65.68 | 63.97 | 49.70 | 43.10 | 28.00 | 21.45 | 40.27 | |||||||||||||
1958 | 17.61 | 22.54 | 24.90 | 35.80 | 51.90 | 58.57 | 62.48 | 61.19 | 55.43 | 37.90 | 23.47 | 19.81 | 39.30 | |||||||||||||
1959 | 14.19 | 20.32 | 23.77 | 33.87 | 49.42 | 59.63 | 59.97 | 63.00 | 49.53 | 37.42 | 20.47 | 23.39 | 37.92 | |||||||||||||
1960 | 15.26 | 16.10 | 24.13 | 39.93 | 44.68 | 58.17 | 60.74 | 61.74 | 52.03 | 40.23 | 25.70 | 20.39 | 38.26 | |||||||||||||
1961 | 14.61 | 21.43 | 28.68 | 33.10 | 46.74 | 57.20 | 61.74 | 61.55 | 49.00 | 37.52 | 27.73 | 19.61 | 38.24 | |||||||||||||
1962 | 12.74 | 22.36 | 23.81 | 39.73 | 52.48 | 60.52 | a | 66.16 | 62.35 | 53.03 | 40.16 | 29.67 | 22.13 | 40.43 | ||||||||||||
1963 | 6.16 | 20.81 | a | 30.71 | 41.10 | 53.32 | 62.70 | 66.55 | 63.23 | 59.23 | 46.45 | 27.77 | 13.84 | 40.99 | ||||||||||||
1964 | 18.03 | 18.93 | b | 23.06 | 36.47 | 50.61 | 56.60 | 65.65 | 62.16 | 55.13 | 36.94 | 30.43 | 19.13 | 39.43 | ||||||||||||
1965 | 21.71 | 19.64 | 20.84 | 38.70 | 48.23 | 58.27 | 61.81 | 59.52 | 50.43 | 41.06 | 31.93 | 23.00 | 39.59 | |||||||||||||
1966 | 10.06 | 18.04 | a | 26.06 | 34.90 | 44.61 | 58.40 | 66.90 | 59.87 | 53.33 | 35.97 | 26.27 | 15.06 | 37.46 | ||||||||||||
1967 | 20.68 | 20.00 | 30.10 | 42.97 | 44.74 | 58.27 | 63.13 | 58.45 | 51.63 | 38.87 | 24.37 | 18.47 | a | 39.31 | ||||||||||||
1968 | 16.97 | 18.07 | 28.23 | 36.70 | 47.32 | 60.90 | 64.19 | 62.90 | 52.00 | 40.94 | 28.67 | 14.74 | 39.30 | |||||||||||||
1969 | 21.55 | 22.86 | 19.58 | 41.73 | 51.13 | 54.73 | 65.48 | 63.55 | 56.37 | 39.68 | 25.03 | 21.32 | 40.25 | |||||||||||||
1970 | 13.84 | 19.64 | 23.23 | a | 35.80 | 49.97 | 56.67 | 64.26 | 61.94 | 52.17 | 37.23 | 27.47 | 18.29 | 38.37 | ||||||||||||
1971 | 16.19 | 20.43 | 26.10 | 37.47 | 45.45 | 61.40 | 62.97 | 60.19 | 49.97 | 41.35 | 29.03 | 23.48 | 39.50 | |||||||||||||
1972 | 13.55 | 18.21 | 29.81 | 39.33 | 48.55 | 59.20 | 63.23 | 60.52 | 54.20 | 42.19 | 24.27 | 14.65 | 38.97 | |||||||||||||
1973 | 18.39 | 23.00 | 32.68 | 33.93 | 47.19 | 56.40 | 62.00 | 60.97 | 52.97 | 40.16 | 27.40 | 18.58 | 39.47 | |||||||||||||
1974 | 13.10 | 20.25 | 30.68 | 39.27 | 51.39 | 58.60 | 64.77 | 60.26 | 47.53 | 44.87 | 29.97 | 16.71 | 39.78 | |||||||||||||
1975 | 18.00 | 18.21 | 27.61 | 38.93 | 48.42 | 58.23 | 62.61 | 62.55 | 52.43 | 37.97 | b | 26.17 | 22.48 | 39.47 | ||||||||||||
1976 | 15.39 | 23.48 | 25.23 | 42.00 | 47.03 | 58.86 | a | 63.03 | 60.68 | 52.83 | 34.90 | 21.30 | 16.23 | 38.41 | ||||||||||||
1977 | 10.35 | 23.00 | 30.16 | 46.03 | 54.94 | 62.17 | 67.23 | 64.06 | 55.20 | 40.32 | 26.93 | 19.48 | 41.66 | |||||||||||||
1978 | 10.61 | 13.04 | 28.97 | 39.43 | 48.63 | a | 59.93 | 63.94 | 60.45 | 55.00 | 40.52 | 30.07 | 15.71 | 38.86 | ||||||||||||
1979 | 7.42 | 20.00 | 32.26 | 38.47 | 45.97 | 56.60 | 63.48 | 59.52 | 53.27 | 38.42 | 24.87 | 19.65 | 38.33 | |||||||||||||
1980 | 18.87 | 21.97 | 25.35 | 34.67 | 46.61 | 59.90 | 66.87 | 63.58 | 53.00 | 34.13 | 26.14 | a | 24.26 | 39.61 | ||||||||||||
1981 | 19.97 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 19.97 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 15.93 | 20.01 | 26.65 | 37.67 | 48.23 | 58.29 | 63.57 | 61.81 | 53.19 | 40.04 | 26.37 | 19.04 | 39.30 | |||||||||||||
S.D. | 4.50 | 4.05 | 3.74 | 2.84 | 2.83 | 2.30 | 1.84 | 2.00 | 2.67 | 3.00 | 2.69 | 3.41 | 1.19 | |||||||||||||
SKEW | -0.55 | -0.82 | -0.04 | 0.31 | 0.01 | -0.03 | 0.29 | 0.21 | 0.15 | -0.23 | -0.19 | -0.58 | 0.22 | |||||||||||||
MAX | 24.06 | 26.25 | 34.35 | 46.03 | 54.94 | 64.10 | 67.29 | 67.94 | 59.23 | 47.62 | 31.93 | 25.89 | 42.20 | |||||||||||||
MIN | 5.39 | 9.73 | 19.48 | 32.17 | 40.68 | 53.62 | 59.74 | 57.74 | 47.53 | 32.74 | 20.47 | 10.26 | 36.43 | |||||||||||||
YRS | 65 | 65 | 63 | 65 | 65 | 65 | 65 | 63 | 65 | 64 | 64 | 64 | 57 |