YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | 4.45 | 4.45 | k | |
1910 | 8.50 | 10.61 | 29.03 | 34.60 | 39.10 | 49.18 | 54.13 | 51.32 | 46.95 | 34.92 | 28.97 | 12.68 | 33.33 | |||||||||||||
1911 | 14.29 | 9.73 | 22.52 | 30.58 | 40.48 | 49.13 | 51.42 | 49.60 | 45.47 | 31.35 | 16.43 | a | 5.92 | 30.58 | ||||||||||||
1912 | 11.37 | 10.53 | 18.16 | 25.85 | 37.40 | 45.90 | 50.87 | 49.73 | 38.28 | 32.71 | 19.42 | 3.97 | 28.68 | |||||||||||||
1913 | 7.05 | 10.46 | 15.52 | 30.30 | 39.89 | 47.47 | 51.89 | 53.55 | 43.08 | 32.06 | 27.27 | 5.31 | 30.32 | |||||||||||||
1914 | 13.23 | 12.80 | a | 15.71 | 27.32 | 34.85 | 42.85 | 53.79 | b | 50.94 | 46.15 | 36.24 | 26.62 | 9.16 | 30.80 | |||||||||||
1915 | 10.18 | 16.36 | 20.56 | 36.58 | 39.35 | 46.02 | 51.21 | 49.66 | 45.12 | 36.23 | 22.97 | 14.27 | 32.38 | |||||||||||||
1916 | 12.52 | 18.00 | 26.50 | 32.72 | 39.06 | 47.00 | 53.23 | 50.89 | 44.08 | 35.08 | 20.95 | b | 10.90 | b | 32.58 | |||||||||||
1917 | 10.40 | a | 15.38 | 13.37 | 27.68 | 36.48 | 46.52 | 54.13 | 49.19 | 45.48 | 33.53 | 26.42 | 21.05 | 31.64 | ||||||||||||
1918 | 11.39 | 15.20 | 25.52 | 27.82 | 39.87 | 51.90 | 52.65 | 51.39 | 44.85 | 37.90 | 18.40 | 13.16 | 32.50 | |||||||||||||
1919 | 11.05 | 13.16 | 22.39 | 34.22 | 41.81 | 48.23 | 55.71 | 52.45 | 48.33 | 30.98 | 22.27 | 13.11 | 32.81 | |||||||||||||
1920 | 16.53 | 18.05 | 18.32 | 24.72 | a | 40.77 | 47.03 | 52.84 | 49.92 | 44.17 | 35.15 | a | 22.37 | 12.66 | 31.88 | |||||||||||
1921 | 14.13 | 15.57 | 26.13 | 28.30 | 41.20 | a | 50.83 | g | 53.69 | 52.16 | 46.00 | 37.71 | 27.10 | 21.85 | 33.08 | a | ||||||||||
1922 | 6.23 | 14.98 | 19.50 | 28.82 | 39.74 | 49.42 | d | 52.18 | 54.19 | 46.72 | 34.98 | 20.62 | 15.35 | 31.89 | ||||||||||||
1923 | 14.42 | 10.77 | 15.44 | 27.58 | 41.27 | 47.25 | 54.26 | 50.35 | 43.43 | 31.23 | 23.35 | 13.84 | 31.10 | |||||||||||||
1924 | 8.27 | 18.33 | 15.60 | 29.19 | a | 38.80 | a | 47.97 | 51.85 | 50.56 | 43.77 | 35.92 | 24.15 | 10.03 | 31.20 | |||||||||||
1925 | 11.13 | a | 18.21 | 24.66 | 35.28 | 42.42 | 47.77 | 53.08 | 50.45 | 45.67 | 34.68 | 22.43 | 14.94 | 33.39 | ||||||||||||
1926 | 9.74 | 18.29 | 19.84 | 32.70 | 40.82 | 47.85 | 51.18 | 51.81 | 44.90 | a | 36.98 | 24.14 | a | 11.65 | a | 32.49 | ||||||||||
1927 | 15.81 | 17.77 | 20.10 | 30.70 | 41.15 | a | 48.00 | 52.27 | 48.48 | 44.98 | 35.79 | 27.40 | 7.53 | 32.50 | ||||||||||||
1928 | 15.81 | 13.91 | 23.69 | 27.17 | 42.35 | 44.68 | 51.79 | 49.02 | a | 45.23 | 36.45 | 22.55 | ----- | z | 33.88 | a | ||||||||||
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.69 | 53.45 | 43.92 | 35.21 | 16.23 | 14.87 | 36.23 | f | ||||||
1930 | 5.71 | 21.41 | 15.47 | 35.22 | 38.76 | 47.55 | 53.73 | 51.82 | a | 44.81 | c | 34.52 | d | 22.67 | 9.45 | 31.76 | ||||||||||
1931 | 13.21 | 18.39 | 19.32 | 32.72 | 37.02 | c | 49.83 | a | 55.92 | 51.13 | a | 47.30 | 38.35 | 21.92 | 12.35 | 33.12 | ||||||||||
1932 | 7.42 | 19.31 | 17.53 | 32.40 | 41.78 | a | 47.93 | a | 54.79 | 53.05 | c | 45.78 | 34.40 | 26.55 | 10.42 | 32.61 | ||||||||||
1933 | 11.74 | 8.86 | 22.77 | 27.25 | 36.87 | a | 51.14 | a | 56.03 | 51.48 | d | 49.23 | 38.65 | 27.62 | 21.32 | 33.58 | ||||||||||
1934 | 16.82 | 24.36 | 28.03 | 37.13 | 46.63 | a | 50.55 | a | 56.90 | b | 54.91 | b | 43.32 | 37.94 | 26.05 | 15.97 | 36.55 | |||||||||
1935 | 15.67 | a | 16.59 | 21.97 | a | 32.43 | a | 39.31 | 49.33 | a | 54.80 | a | 54.55 | b | 45.14 | b | 32.73 | a | 21.34 | a | 13.40 | a | 33.11 | |||
1936 | 12.90 | a | 16.77 | a | 21.27 | a | 33.18 | 44.56 | d | 52.50 | a | 55.62 | b | 54.05 | a | 45.88 | 33.60 | 22.45 | 13.66 | b | 33.87 | |||||
1937 | 3.52 | 13.05 | 22.10 | a | 32.60 | a | 45.86 | x | 48.85 | 52.93 | a | 52.28 | d | 46.31 | a | 38.42 | a | 24.36 | a | 18.15 | a | 32.05 | a | |||
1938 | 13.47 | a | 14.89 | a | 24.25 | a | 31.48 | b | 39.65 | a | 49.65 | 52.50 | b | 54.45 | b | 47.88 | 36.61 | 15.65 | 14.31 | 32.90 | ||||||
1939 | 11.72 | b | 4.78 | a | 21.35 | 32.34 | a | 38.73 | a | 45.21 | a | 51.66 | 49.95 | a | 47.57 | a | 32.48 | 25.98 | 20.92 | 31.89 | ||||||
1940 | 14.69 | 18.44 | b | 25.61 | 34.65 | 43.55 | 51.22 | 56.63 | a | 53.55 | 50.02 | 38.77 | 21.75 | 19.72 | a | 35.72 | ||||||||||
1941 | 14.77 | a | 19.93 | 23.92 | 32.70 | 44.58 | a | 48.98 | 54.97 | 53.42 | a | 44.59 | a | 37.55 | 23.35 | 18.19 | 34.75 | |||||||||
1942 | 10.48 | a | 9.23 | b | 18.76 | 34.85 | 41.31 | b | 50.10 | a | 53.97 | b | 53.28 | a | 46.15 | 36.30 | a | 23.97 | a | 14.92 | a | 32.78 | ||||
1943 | 14.81 | 18.36 | 19.68 | 39.75 | 41.21 | 49.15 | 55.52 | 54.74 | 46.05 | 35.48 | 22.52 | e | 17.40 | 34.56 | ||||||||||||
1944 | 11.06 | 14.79 | 22.08 | 30.12 | 41.47 | 50.33 | 53.23 | 53.31 | 46.23 | 38.11 | 24.22 | 15.37 | 33.36 | |||||||||||||
1945 | 16.47 | 19.80 | 20.89 | 28.95 | 43.47 | 46.85 | 55.25 | a | 55.21 | 45.85 | 37.55 | 21.20 | 15.32 | 33.90 | ||||||||||||
1946 | 12.98 | 15.61 | 29.13 | 38.72 | 41.24 | 50.65 | 57.95 | 55.16 | 46.85 | 35.03 | 23.53 | 20.92 | 35.65 | |||||||||||||
1947 | 13.15 | 20.04 | 24.44 | 32.50 | 44.98 | 48.88 | 56.65 | 54.81 | 48.87 | 40.60 | 18.45 | 14.55 | 34.82 | |||||||||||||
1948 | 13.39 | 16.16 | 18.82 | 33.67 | 44.76 | 51.18 | 55.11 | 53.98 | 49.28 | 36.81 | b | 19.29 | b | 14.79 | c | 33.94 | ||||||||||
1949 | 6.34 | 11.91 | a | 25.08 | 35.93 | 43.53 | 50.15 | 55.37 | 53.34 | 47.22 | 34.73 | 31.20 | 16.73 | a | 34.29 | |||||||||||
1950 | 15.29 | 17.13 | a | 23.11 | 34.10 | 41.26 | 50.83 | 53.65 | 50.31 | 45.98 | 41.21 | 27.27 | 20.23 | 35.03 | ||||||||||||
1951 | 14.87 | a | 16.88 | 21.37 | a | 31.52 | 42.48 | 45.62 | b | 55.61 | 52.27 | a | 43.72 | 34.16 | 18.68 | 13.24 | 32.53 | |||||||||
1952 | 10.34 | 12.14 | 15.21 | 32.55 | 42.94 | 52.07 | 54.74 | 52.48 | 45.95 | 35.52 | 17.30 | 11.87 | a | 31.92 | ||||||||||||
1953 | 21.03 | 14.21 | 24.58 | 28.52 | 38.90 | 52.08 | 56.84 | 52.45 | 46.00 | 36.85 | 27.07 | a | 13.45 | 34.33 | ||||||||||||
1954 | 19.05 | 23.41 | 22.42 | 37.45 | 43.85 | 49.72 | 57.16 | 51.85 | 46.25 | 37.65 | a | 28.40 | a | 9.52 | 35.56 | |||||||||||
1955 | 7.48 | 7.69 | b | 16.86 | b | 28.37 | 39.89 | 46.07 | a | 53.47 | 53.52 | 44.08 | 33.72 | a | 18.82 | 17.90 | a | 30.66 | ||||||||
1956 | 16.47 | 8.34 | a | 19.31 | 30.23 | 44.10 | 51.38 | 53.45 | 50.00 | 44.35 | 34.18 | 17.91 | b | 11.87 | a | 31.80 | ||||||||||
1957 | 9.12 | a | 20.25 | 20.88 | a | 28.09 | a | 39.03 | 48.76 | a | 54.85 | 53.37 | 42.10 | 36.61 | 18.12 | b | 12.24 | 31.95 | ||||||||
1958 | 8.52 | a | 20.04 | a | 18.12 | a | 27.52 | 45.06 | 50.68 | 51.61 | 53.90 | 45.65 | 35.34 | 23.98 | 16.45 | 33.07 | ||||||||||
1959 | 12.75 | a | 12.46 | 17.58 | 28.82 | 41.90 | 51.67 | 52.56 | 52.69 | 41.83 | 34.42 | 23.07 | 16.77 | 32.21 | ||||||||||||
1960 | 10.92 | a | 10.40 | 24.34 | 34.43 | a | 40.10 | a | 49.98 | a | 53.26 | 51.05 | a | 46.27 | 35.08 | 21.41 | a | 11.35 | 32.38 | |||||||
1961 | 6.79 | 15.29 | 22.97 | a | 29.92 | 41.55 | 49.13 | 53.40 | 54.45 | 40.83 | a | 35.69 | 18.28 | 10.12 | b | 31.54 | ||||||||||
1962 | 4.95 | 17.04 | 13.21 | 34.17 | 41.15 | 48.12 | 51.53 | 50.08 | 43.95 | 37.68 | a | 26.86 | a | 14.85 | 31.97 | |||||||||||
1963 | 7.55 | a | 16.80 | 16.68 | 33.95 | 42.29 | 48.10 | 54.94 | 52.97 | 47.73 | 39.82 | 25.18 | 12.37 | a | 33.20 | |||||||||||
1964 | 4.08 | 5.05 | 11.93 | a | 28.85 | 40.95 | ----- | z | 55.76 | 49.68 | 43.57 | 34.19 | 23.32 | 10.13 | 27.96 | a | ||||||||||
1965 | 12.66 | 10.71 | 11.79 | 29.98 | 38.98 | 46.90 | 53.19 | 49.19 | 41.20 | 36.84 | 23.37 | 11.24 | 30.51 | |||||||||||||
1966 | 5.06 | 8.11 | 20.70 | a | 31.62 | a | 40.53 | 46.87 | 55.24 | 50.73 | 44.13 | 33.90 | 25.50 | 7.65 | 30.84 | |||||||||||
1967 | 13.06 | 12.00 | 22.69 | 29.38 | 38.71 | 46.37 | 53.92 | a | 49.90 | 44.02 | 34.85 | 22.38 | 9.82 | 31.43 | ||||||||||||
1968 | 7.55 | 16.19 | 17.81 | 26.05 | 39.19 | 48.58 | 52.26 | 49.56 | 41.73 | 34.68 | a | 14.12 | 10.05 | 29.81 | ||||||||||||
1969 | 15.02 | 11.20 | 13.27 | 33.60 | 44.48 | 45.95 | 55.65 | 55.38 | a | 45.37 | 26.66 | 16.47 | 12.08 | 31.26 | ||||||||||||
1970 | 11.56 | 15.35 | a | 16.42 | 22.78 | 40.85 | 47.47 | 53.45 | 53.05 | 41.50 | 29.27 | 22.00 | a | 9.82 | 30.29 | |||||||||||
1971 | 15.73 | 13.11 | 17.55 | b | 30.61 | c | 39.15 | e | 48.48 | d | 52.85 | a | 52.11 | 40.86 | e | 35.67 | e | 18.00 | e | 8.02 | a | 31.01 | ||||
1972 | ----- | z | 14.78 | d | ----- | z | 33.46 | e | 39.92 | a | 50.00 | 53.25 | a | 51.70 | a | 45.75 | 38.29 | b | 18.75 | 8.63 | 35.45 | b | ||||
1973 | 7.77 | 12.57 | 19.82 | 26.22 | 40.74 | 48.15 | 52.74 | 52.63 | 44.43 | 36.95 | 23.81 | a | 13.50 | 31.61 | ||||||||||||
1974 | 8.89 | 10.15 | b | 24.23 | 27.10 | a | 44.60 | 45.12 | m | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 22.99 | g | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 11.57 | 14.72 | 20.44 | 31.25 | 41.00 | 48.64 | 53.92 | 52.08 | 45.13 | 35.52 | 22.57 | 13.25 | 32.55 | |||||||||||||
S.D. | 3.82 | 4.21 | 4.14 | 3.53 | 2.36 | 2.05 | 1.69 | 1.85 | 2.20 | 2.56 | 3.70 | 4.18 | 1.61 | |||||||||||||
SKEW | -0.08 | -0.17 | -0.08 | 0.08 | 0.05 | -0.26 | 0.25 | -0.03 | -0.43 | -0.66 | -0.12 | 0.07 | 0.28 | |||||||||||||
MAX | 21.03 | 24.36 | 29.13 | 39.75 | 46.63 | 52.50 | 57.95 | 55.38 | 50.02 | 41.21 | 31.20 | 21.85 | 36.55 | |||||||||||||
MIN | 3.52 | 4.78 | 11.79 | 22.78 | 34.85 | 42.85 | 50.87 | 48.48 | 38.28 | 26.66 | 14.12 | 3.97 | 28.68 | |||||||||||||
YRS | 63 | 64 | 63 | 64 | 63 | 61 | 64 | 64 | 64 | 64 | 64 | 64 | 58 |