| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1900 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 4.16 | 4.16 | ||
| 1901 | 10.34 | 9.00 | 5.20 | 2.50 | 1.90 | 0.70 | 0.03 | 0.07 | 5.20 | 2.31 | 4.45 | 6.60 | 48.30 | |||||||||||||
| 1902 | 3.18 | 13.00 | 5.60 | 5.20 | 3.95 | 0.90 | 3.52 | 0.02 | 0.95 | 2.35 | 13.80 | 10.30 | 62.77 | |||||||||||||
| 1903 | 11.10 | q | 1.60 | 6.30 | 3.30 | 0.00 | z | 0.73 | 0.30 | 0.70 | 1.80 | 3.20 | 13.60 | 2.60 | 34.13 | |||||||||||
| 1904 | 4.60 | 17.32 | 10.57 | 3.40 | 2.20 | 0.10 | 1.90 | 0.20 | 0.95 | 5.10 | 5.60 | 8.15 | 60.09 | |||||||||||||
| 1905 | 3.65 | 1.65 | 8.15 | 1.10 | 3.30 | 2.00 | 0.00 | 0.00 | 1.60 | 4.65 | 5.40 | 6.10 | 37.60 | |||||||||||||
| 1906 | 4.55 | 8.40 | 3.75 | 2.90 | 6.75 | 2.45 | 0.00 | 0.05 | 2.75 | 3.15 | 8.60 | 0.00 | z | 43.35 | ||||||||||||
| 1907 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.35 | t | 2.54 | 0.17 | 0.39 | 1.08 | 2.57 | 6.61 | 9.82 | 23.18 | ||||||||
| 1908 | 5.46 | 4.13 | 3.02 | 2.99 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 2.07 | 4.27 | 5.88 | 27.82 | ||||||||
| 1909 | 10.64 | 10.37 | 4.04 | 1.08 | 2.58 | 0.65 | 2.01 | 0.18 | 1.79 | 5.90 | 13.30 | 6.15 | 58.69 | |||||||||||||
| 1910 | 4.45 | 4.15 | 2.95 | 2.02 | 3.47 | 1.95 | 0.25 | 0.05 | 1.15 | 2.10 | 10.15 | 6.75 | 39.44 | |||||||||||||
| 1911 | 2.65 | 3.85 | 1.70 | 2.40 | 5.55 | 1.35 | y | 0.10 | 0.00 | 3.70 | s | 2.35 | 6.50 | 6.60 | 31.70 | |||||||||||
| 1912 | 11.10 | 6.65 | 4.90 | 6.05 | 4.80 | 5.15 | 0.30 | z | 1.40 | 3.20 | 5.00 | 7.90 | o | 8.65 | 56.90 | |||||||||||
| 1913 | 9.35 | 1.00 | 6.30 | 3.90 | 3.05 | 4.95 | 0.90 | 0.10 | 3.85 | 3.70 | 9.60 | 4.30 | u | 46.70 | ||||||||||||
| 1914 | 12.93 | f | 3.80 | 4.70 | 3.90 | u | 1.50 | 2.95 | 0.00 | 0.05 | 6.75 | 5.35 | 0.00 | z | 0.00 | z | 25.10 | |||||||||
| 1915 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1916 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1917 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1918 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1919 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1920 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1921 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1922 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1923 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1924 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1925 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1926 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1927 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1928 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1929 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1930 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1931 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1932 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1933 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1934 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1935 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1936 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1937 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1938 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1939 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1940 | 5.46 | 15.39 | 7.36 | 2.92 | 1.79 | 0.40 | 0.32 | 0.00 | y | 5.64 | 4.26 | 6.45 | 9.30 | 59.29 | ||||||||||||
| 1941 | 6.50 | 3.03 | 2.57 | 4.76 | 5.78 | 2.64 | 0.35 | 0.72 | 3.62 | 3.39 | 10.01 | 12.62 | 55.99 | |||||||||||||
| 1942 | 5.03 | 6.27 | 2.85 | 3.85 | 6.36 | 2.85 | 0.67 | 0.05 | 0.33 | 2.13 | 14.84 | 18.38 | 63.61 | |||||||||||||
| 1943 | 12.21 | 4.01 | 6.28 | 5.15 | 3.06 | 4.56 | 0.44 | 1.31 | c | 0.22 | 7.17 | 4.48 | 2.51 | 51.40 | ||||||||||||
| 1944 | 5.30 | 5.49 | 3.53 | 6.58 | 2.00 | 1.98 | 0.05 | 0.00 | 2.13 | 1.51 | 6.10 | 3.20 | 37.87 | |||||||||||||
| 1945 | 5.67 | 8.18 | a | 12.26 | 6.25 | 5.30 | 0.43 | 0.24 | 0.38 | 2.69 | 2.65 | 16.12 | 12.26 | 72.43 | ||||||||||||
| 1946 | 10.76 | 6.48 | 7.98 | 1.94 | 2.67 | 1.96 | 0.49 | 0.10 | 1.58 | 6.16 | 11.90 | 5.57 | 57.59 | |||||||||||||
| 1947 | 5.31 | a | 4.15 | 8.89 | 3.83 | 1.85 | 4.67 | a | 2.58 | 1.20 | a | 1.73 | 11.80 | 5.72 | 5.46 | a | 57.19 | |||||||||
| 1948 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.40 | a | 0.67 | 2.94 | a | 2.36 | 8.39 | 11.21 | 25.97 | |||||
| 1949 | 1.78 | 10.77 | 5.45 | 2.64 | 3.95 | 1.37 | 0.03 | 0.05 | 2.26 | 2.60 | 6.63 | 7.26 | 44.79 | |||||||||||||
| 1950 | 17.47 | 5.15 | 9.38 | 3.13 | 2.28 | 2.99 | 0.20 | 0.40 | 1.02 | 18.02 | 9.29 | 7.56 | 76.89 | |||||||||||||
| 1951 | 12.83 | 7.74 | 6.08 | 2.13 | 2.29 | 0.00 | 0.03 | 0.21 | 0.77 | 10.40 | 10.32 | a | 12.61 | 65.41 | ||||||||||||
| 1952 | 10.45 | 5.75 | 5.81 | 2.37 | 1.63 | 5.14 | 0.00 | 0.00 | 1.09 | 0.65 | 2.22 | 13.19 | 48.30 | |||||||||||||
| 1953 | 16.89 | 7.34 | 6.49 | 3.95 | 7.18 | 2.04 | 0.00 | 1.79 | 0.77 | 5.52 | 12.93 | 11.25 | 76.15 | |||||||||||||
| 1954 | 15.46 | 5.19 | 4.06 | 4.45 | 0.82 | 2.94 | 0.59 | 1.67 | 1.81 | 2.88 | 4.09 | 8.04 | 52.00 | |||||||||||||
| 1955 | 5.41 | 3.14 | 8.00 | 7.53 | 1.72 | 1.34 | 1.15 | 0.00 | 1.87 | 6.29 | 9.77 | 22.80 | 69.02 | |||||||||||||
| 1956 | 13.47 | 9.56 | 6.80 | 1.90 | 4.20 | 2.96 | 0.01 | 0.45 | 0.56 | 10.98 | 2.00 | 6.65 | 59.54 | |||||||||||||
| 1957 | 4.02 | 8.72 | 10.74 | 2.78 | 5.42 | 1.24 | 0.38 | 0.37 | 1.61 | 4.24 | 3.50 | 15.18 | 58.20 | |||||||||||||
| 1958 | 9.73 | 10.85 | 4.33 | 4.70 | 2.03 | 4.05 | 0.82 | 0.00 | 1.09 | 2.36 | 9.31 | 5.48 | 54.75 | |||||||||||||
| 1959 | 11.10 | 8.60 | 6.29 | 1.24 | 3.99 | 1.41 | 0.26 | 0.00 | 2.88 | 2.69 | 1.74 | 4.09 | 44.29 | |||||||||||||
| 1960 | 4.84 | 9.51 | 10.68 | 4.93 | 7.41 | 0.20 | 0.00 | 0.76 | 1.23 | 3.22 | 12.65 | 3.30 | 58.73 | |||||||||||||
| 1961 | 3.17 | 14.93 | 11.37 | 2.61 | 3.38 | 0.76 | 0.25 | 0.45 | 2.00 | 6.68 | 11.84 | 7.58 | 65.02 | |||||||||||||
| 1962 | 2.56 | 4.02 | 8.85 | 4.34 | 3.94 | 1.15 | 0.00 | 1.11 | 1.20 | 6.88 | 8.10 | 5.14 | 47.29 | |||||||||||||
| 1963 | 1.47 | 6.65 | 6.95 | 8.51 | 5.64 | 3.64 | 0.88 | 0.02 | 1.83 | 3.17 | 10.08 | 4.62 | 53.46 | |||||||||||||
| 1964 | 15.06 | 2.45 | 6.66 | 2.48 | 1.94 | 2.94 | 0.63 | 0.77 | 0.64 | 1.41 | 10.61 | 21.57 | 67.16 | |||||||||||||
| 1965 | 9.36 | 2.84 | 1.55 | 4.94 | 2.06 | 0.64 | 0.09 | 1.04 | 0.06 | 2.84 | 0.00 | z | 0.00 | z | 25.42 | |||||||||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 7.81 | 6.87 | 6.27 | 3.70 | 3.55 | 2.15 | 0.53 | 0.44 | 1.96 | 4.55 | 8.40 | 8.61 | 56.69 | |||||||||||||
| S.D. | 4.51 | 3.95 | 2.75 | 1.76 | 1.80 | 1.51 | 0.78 | 0.52 | 1.48 | 3.37 | 3.81 | 4.89 | 10.63 | |||||||||||||
| SKEW | 0.54 | 0.80 | 0.33 | 0.78 | 0.62 | 0.51 | 2.32 | 1.14 | 1.49 | 2.09 | 0.07 | 1.29 | -0.01 | |||||||||||||
| MAX | 17.47 | 17.32 | 12.26 | 8.51 | 7.41 | 5.15 | 3.52 | 1.79 | 6.75 | 18.02 | 16.12 | 22.80 | 76.89 | |||||||||||||
| MIN | 1.47 | 1.00 | 1.55 | 1.08 | 0.82 | 0.00 | 0.00 | 0.00 | 0.06 | 0.65 | 1.74 | 2.51 | 37.60 | |||||||||||||
| NO YRS | 36 | 38 | 38 | 37 | 36 | 37 | 38 | 38 | 38 | 40 | 37 | 37 | 29 | |||||||||||||