YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1904 | 3.04 | c | 15.54 | c | 19.90 | 27.10 | a | 34.03 | 40.47 | 46.19 | d | 47.10 | 41.20 | j | 29.68 | 17.90 | 2.16 | 25.74 | a | |||||||
1905 | 0.74 | 8.11 | 25.10 | b | 25.52 | i | 33.39 | 44.53 | 44.39 | 46.39 | 43.44 | n | ----- | z | ----- | z | ----- | z | 28.95 | e | ||||||
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 | ----- | 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 | 0.23 | 10.19 | a | 15.80 | a | 20.00 | 34.39 | 36.40 | 44.42 | 46.43 | a | 36.03 | a | 27.13 | 12.63 | 0.74 | 23.70 | |||||||||
1946 | -0.26 | 5.50 | 15.16 | 28.60 | 30.16 | 40.37 | 45.52 | 44.39 | 38.70 | 28.00 | a | 13.57 | 14.26 | 25.33 | ||||||||||||
1947 | 4.57 | a | 11.00 | 16.48 | 23.73 | 36.06 | 41.60 | 47.00 | a | 47.61 | 39.53 | 30.84 | 11.07 | 3.40 | a | 26.07 | ||||||||||
1948 | -0.90 | -0.24 | 5.39 | 28.87 | 35.13 | 40.77 | 44.84 | 45.65 | 40.40 | 27.74 | 11.83 | a | 9.89 | c | 24.11 | |||||||||||
1949 | -1.32 | 2.93 | 18.94 | 26.50 | 35.58 | 42.20 | 48.61 | 42.00 | 38.63 | 23.68 | 17.33 | 3.81 | 24.91 | |||||||||||||
1950 | 6.87 | 13.50 | 15.87 | 26.43 | b | 30.58 | 39.90 | 44.55 | 41.68 | 38.23 | 31.61 | 15.50 | 9.19 | 26.16 | ||||||||||||
1951 | 5.68 | 7.53 | i | 15.84 | 24.53 | 34.26 | 38.60 | 49.29 | 46.39 | 36.27 | 27.65 | 14.27 | 5.55 | 27.12 | a | |||||||||||
1952 | 3.84 | 1.59 | 14.16 | 26.97 | 36.16 | 44.27 | 47.29 | 46.81 | 36.93 | 25.10 | 11.87 | -5.13 | a | 24.15 | ||||||||||||
1953 | 9.61 | 7.39 | 18.29 | 23.13 | 31.19 | 43.00 | 48.42 | 44.35 | 36.73 | 28.00 | 17.63 | 1.32 | 25.76 | |||||||||||||
1954 | 6.81 | 17.00 | 19.58 | 30.14 | h | 36.48 | 42.22 | l | 50.03 | 44.65 | 40.93 | 30.65 | 17.30 | 4.32 | 26.77 | b | ||||||||||
1955 | 3.32 | 3.07 | a | 16.71 | 25.13 | 34.45 | 39.73 | 44.87 | 46.35 | 37.43 | 25.35 | 15.93 | 11.19 | 25.30 | ||||||||||||
1956 | 11.48 | -0.07 | 17.19 | 22.97 | 36.19 | 43.63 | 45.03 | 42.94 | 37.37 | 26.58 | 10.93 | 5.32 | 24.96 | |||||||||||||
1957 | 12.71 | 18.21 | 18.94 | 23.77 | 31.97 | 41.30 | 47.87 | 45.90 | 33.67 | 28.84 | 9.20 | 3.70 | a | 26.34 | ||||||||||||
1958 | 0.65 | 13.46 | 15.77 | 22.20 | 34.71 | 42.38 | a | 43.13 | 45.26 | 37.80 | 24.68 | 14.17 | 9.17 | a | 25.28 | |||||||||||
1959 | 1.13 | 8.38 | b | 12.77 | 24.00 | 33.03 | 42.17 | 44.45 | 45.32 | 34.10 | 25.45 | 12.73 | 7.65 | 24.27 | ||||||||||||
1960 | -4.87 | -0.34 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | -2.61 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 3.52 | 7.95 | 16.58 | 24.93 | 33.99 | 41.33 | 46.23 | 45.25 | 37.52 | 27.56 | 13.99 | 5.41 | 25.10 | |||||||||||||
S.D. | 4.69 | 6.21 | 4.01 | 2.47 | 2.01 | 2.13 | 2.04 | 1.73 | 2.04 | 2.35 | 2.71 | 4.73 | 0.85 | |||||||||||||
SKEW | 0.39 | 0.13 | -0.76 | -0.10 | -0.60 | -0.51 | 0.41 | -0.80 | -0.24 | 0.13 | 0.02 | -0.19 | -0.13 | |||||||||||||
MAX | 12.71 | 18.21 | 25.10 | 28.87 | 36.48 | 44.53 | 50.03 | 47.61 | 40.93 | 31.61 | 17.90 | 14.26 | 26.34 | |||||||||||||
MIN | -4.87 | -0.34 | 5.39 | 20.00 | 30.16 | 36.40 | 43.13 | 41.68 | 33.67 | 23.68 | 9.20 | -5.13 | 23.70 | |||||||||||||
YRS | 18 | 17 | 17 | 15 | 17 | 16 | 17 | 17 | 15 | 16 | 16 | 16 | 13 |