| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1901 | 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 | |
| 1902 | 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 | |
| 1903 | 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 | |
| 1904 | 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 | |
| 1905 | 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 | |
| 1906 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.20 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1907 | 0.00 | z | 1.50 | 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 | |
| 1908 | 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 | |
| 1909 | 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 | |
| 1910 | 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 | |
| 1911 | 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 | |
| 1912 | 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 | |
| 1913 | 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 | |
| 1914 | 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 | |
| 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 | 14.21 | a | 6.72 | 17.01 | a | 1.20 | b | 1.61 | 4.51 | 0.00 | 0.06 | 4.15 | 11.49 | 13.97 | 14.55 | a | 89.48 | |||||||||
| 1932 | 12.60 | 8.60 | 18.90 | 10.12 | 1.76 | b | 0.11 | 1.46 | 0.64 | 0.23 | 8.64 | 19.02 | 14.75 | 96.83 | ||||||||||||
| 1933 | 23.27 | 12.26 | a | 12.47 | 1.62 | 9.13 | 3.95 | 0.28 | 2.14 | 8.26 | 11.60 | 4.31 | 43.90 | 133.19 | ||||||||||||
| 1934 | 20.11 | 3.22 | 9.95 | 2.69 | 3.37 | 0.19 | 0.27 | 0.30 | 3.03 | 12.84 | 24.34 | 18.88 | 99.19 | |||||||||||||
| 1935 | 13.93 | 6.53 | 10.34 | 4.49 | 0.98 | c | 1.15 | 0.42 | 0.33 | b | 0.96 | 3.76 | 6.71 | 13.28 | 62.88 | |||||||||||
| 1936 | 25.86 | 11.57 | 10.08 | 1.13 | 5.99 | 4.26 | 0.98 | 0.04 | 2.01 | 0.44 | 0.73 | 15.41 | 78.50 | |||||||||||||
| 1937 | 6.35 | 13.29 | 8.90 | 14.39 | 2.88 | 10.70 | 0.49 | 3.21 | 1.80 | 5.00 | 22.45 | 23.07 | 112.53 | |||||||||||||
| 1938 | 10.55 | 8.87 | 14.27 | 5.76 | 1.21 | 0.24 | 0.07 | 0.11 | 1.08 | 6.65 | 10.78 | 15.16 | a | 74.75 | ||||||||||||
| 1939 | 13.96 | 15.54 | 6.89 | 1.42 | a | 1.33 | 1.60 | 0.68 | 1.16 | 0.38 | 4.09 | 3.06 | 25.22 | 75.33 | ||||||||||||
| 1940 | 4.96 | 20.63 | a | 12.29 | 8.10 | 2.75 | 0.22 | 1.12 | 0.24 | 3.81 | 9.90 | 11.92 | 9.67 | 85.61 | ||||||||||||
| 1941 | 13.28 | 3.71 | 3.48 | 3.44 | 9.53 | 2.08 | 0.00 | 4.47 | 7.44 | 5.06 | 11.13 | 24.63 | 88.25 | |||||||||||||
| 1942 | 6.31 | 10.11 | 5.06 | 4.66 | 4.33 | 4.05 | 1.66 | 0.22 | 0.00 | 6.68 | 29.35 | 24.68 | 97.11 | |||||||||||||
| 1943 | 10.24 | 12.91 | 9.09 | a | 6.63 | 3.48 | 2.29 | 0.45 | 1.87 | 0.25 | 12.06 | 7.33 | 7.67 | 74.27 | ||||||||||||
| 1944 | 8.69 | 7.28 | 5.00 | 6.50 | 3.31 | 2.67 | 0.00 | 0.02 | 3.54 | 2.27 | 13.97 | 3.54 | 56.79 | |||||||||||||
| 1945 | 13.74 | 15.54 | 15.03 | 8.29 | 7.43 | 0.18 | 0.52 | 0.32 | 5.38 | 1.24 | b | 23.58 | 20.85 | 112.10 | ||||||||||||
| 1946 | 16.34 | a | 15.15 | 11.70 | 5.08 | 1.15 | 5.12 | 1.49 | 0.36 | 1.28 | 11.77 | 21.81 | 21.80 | 113.05 | ||||||||||||
| 1947 | 15.97 | 8.92 | 10.71 | 6.85 | 0.15 | 6.25 | 1.11 | 0.19 | 6.07 | 23.14 | 6.85 | 10.82 | 97.03 | |||||||||||||
| 1948 | 17.56 | 10.90 | b | 7.36 | 8.87 | 7.81 | a | 0.67 | 1.53 | 0.71 | 6.03 | 6.07 | 20.83 | 22.92 | 111.26 | |||||||||||
| 1949 | 2.29 | 27.82 | 7.56 | 3.87 | 5.44 | 1.13 | 1.39 | 0.11 | 3.41 | 6.65 | 17.13 | 18.58 | 95.38 | |||||||||||||
| 1950 | 25.65 | 18.11 | 19.11 | 8.64 | a | 2.50 | 0.89 | 1.21 | 1.91 | 3.56 | 20.13 | 21.22 | 19.52 | 142.45 | ||||||||||||
| 1951 | 22.97 | 14.96 | 11.38 | 2.53 | 4.06 | 1.01 | 0.30 | 0.71 | a | 0.00 | z | 19.03 | 17.87 | 19.59 | 114.41 | |||||||||||
| 1952 | 15.64 | 11.85 | 9.33 | 3.89 | 1.85 | 2.47 | 0.00 | 1.14 | 0.57 | 0.96 | 2.86 | 21.49 | 72.05 | |||||||||||||
| 1953 | 43.13 | a | 10.87 | 11.99 | 5.68 | 6.76 | 2.40 | 0.22 | 4.52 | 1.97 | 4.40 | 18.68 | 22.91 | 133.53 | ||||||||||||
| 1954 | 30.05 | 15.55 | 8.39 | 9.23 | 3.11 | 4.42 | 1.69 | 0.81 | 1.28 | 7.25 | 13.98 | 17.64 | 113.40 | |||||||||||||
| 1955 | 7.54 | 10.41 | 13.81 | 12.92 | 1.92 | 0.78 | 2.85 | 0.00 | 6.01 | 17.56 | 20.65 | 24.09 | 118.54 | |||||||||||||
| 1956 | 25.67 | 12.93 | 17.44 | 1.06 | 2.91 | 2.80 | 0.00 | 3.50 | 1.23 | 14.29 | 5.23 | 14.28 | 101.34 | |||||||||||||
| 1957 | 8.44 | 15.89 | 17.90 | 5.17 | 2.19 | 1.17 | 0.40 | 0.97 | 0.78 | 5.81 | 9.41 | S | 28.24 | 96.37 | ||||||||||||
| 1958 | 20.10 | 16.34 | 4.83 | a | 11.16 | 1.75 | 2.93 | 0.12 | 0.17 | 1.18 | 5.78 | 24.86 | 14.37 | 103.59 | ||||||||||||
| 1959 | 19.50 | 7.10 | S | 11.12 | 8.08 | 3.20 | 4.49 | 0.59 | 0.37 | 7.44 | c | 0.00 | z | 8.63 | 10.36 | 80.88 | ||||||||||
| 1960 | 6.68 | 13.79 | 14.64 | 10.62 | 8.41 | 1.49 | 0.02 | 2.96 | 1.30 | 8.03 | 25.01 | 10.01 | 102.96 | |||||||||||||
| 1961 | 13.64 | 28.68 | 17.63 | 4.44 | S | 4.74 | 0.70 | 0.13 | 1.33 | 3.75 | 9.89 | 11.35 | 18.86 | 115.14 | ||||||||||||
| 1962 | 5.79 | b | 7.45 | S | 15.42 | 9.42 | 4.13 | 1.12 | 0.08 | 2.25 | 7.13 | 8.21 | 21.85 | 7.32 | 90.17 | |||||||||||
| 1963 | 3.30 | 13.01 | 8.63 | 12.15 | 5.63 | 1.35 | 1.70 | 0.79 | 1.82 | 8.21 | 19.58 | 7.47 | 83.64 | |||||||||||||
| 1964 | 25.89 | 3.90 | 13.00 | 3.63 | 2.47 | 1.93 | 1.26 | 2.63 | 2.47 | 2.17 | 16.55 | 29.78 | 105.68 | |||||||||||||
| 1965 | 18.28 | 0.00 | z | 1.86 | 4.93 | 3.17 | 0.29 | 0.29 | 1.17 | 0.28 | 2.81 | 13.46 | 14.64 | 61.18 | ||||||||||||
| 1966 | 20.44 | 0.00 | z | 14.80 | 3.52 | 1.42 | 1.77 | 1.01 | 0.31 | 0.88 | 7.61 | 12.87 | 18.06 | 82.69 | ||||||||||||
| 1967 | 22.35 | 7.18 | 11.92 | 5.64 | 1.95 | 1.24 | 0.00 | 0.00 | 1.43 | 17.74 | 9.49 | 13.15 | a | 92.09 | ||||||||||||
| 1968 | 15.18 | b | 21.77 | 10.50 | 3.95 | 2.58 | 5.18 | 0.67 | 6.81 | 3.84 | 14.13 | 17.01 | 21.05 | 122.67 | ||||||||||||
| 1969 | 22.84 | 7.87 | 5.42 | 5.82 | 3.46 | 1.06 | 0.00 | 0.24 | 5.62 | 7.68 | 6.87 | 20.63 | 87.51 | |||||||||||||
| 1970 | 32.36 | 10.90 | 8.80 | 7.35 | 1.97 | 1.60 | 0.37 | 0.00 | 3.06 | 8.78 | 16.06 | 22.99 | 114.24 | |||||||||||||
| 1971 | 26.54 | 13.57 | 20.09 | 5.75 | 3.61 | 3.00 | 0.28 | 0.66 | 6.58 | 8.07 | 16.17 | 17.21 | 121.53 | |||||||||||||
| 1972 | 27.50 | 26.54 | 17.19 | 12.60 | 3.95 | 2.21 | 0.87 | 0.55 | 7.30 | 1.15 | 11.73 | 23.56 | 135.15 | |||||||||||||
| 1973 | 11.58 | 4.27 | 6.42 | 3.89 | 3.03 | 5.18 | 0.00 | z | 0.45 | 4.70 | 8.08 | 28.19 | 22.03 | 97.82 | ||||||||||||
| 1974 | 27.85 | 16.08 | 14.48 | 0.00 | z | 4.92 | 2.54 | 1.66 | 0.00 | 0.18 | 0.43 | 15.94 | 16.44 | 100.52 | ||||||||||||
| 1975 | 21.44 | 15.30 | 11.78 | 0.00 | z | 2.89 | 1.86 | 0.40 | 5.50 | 0.00 | 16.27 | 19.89 | 20.98 | 116.31 | ||||||||||||
| 1976 | 16.20 | 14.48 | 11.59 | 2.92 | 1.88 | 2.45 | 0.65 | 3.54 | 1.01 | 2.72 | 0.00 | z | 1.51 | n | 57.44 | |||||||||||
| 1977 | 6.91 | a | 9.10 | 15.08 | 2.18 | 4.93 | 2.38 | 0.33 | 0.19 | i | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 40.91 | |||||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 16.89 | 12.61 | 11.50 | 6.05 | 3.60 | 2.38 | 0.67 | 1.30 | 2.99 | 8.37 | 14.99 | 18.36 | 100.15 | |||||||||||||
| S.D. | 8.67 | 5.94 | 4.43 | 3.45 | 2.21 | 2.00 | 0.65 | 1.62 | 2.47 | 5.59 | 7.12 | 7.08 | 20.37 | |||||||||||||
| SKEW | 0.52 | 0.87 | -0.04 | 0.58 | 1.07 | 1.76 | 1.08 | 1.65 | 0.61 | 0.72 | -0.05 | 0.71 | 0.02 | |||||||||||||
| MAX | 43.13 | 28.68 | 20.09 | 14.39 | 9.53 | 10.70 | 2.85 | 6.81 | 8.26 | 23.14 | 29.35 | 43.90 | 142.45 | |||||||||||||
| MIN | 2.29 | 3.22 | 1.86 | 1.06 | 0.15 | 0.11 | 0.00 | 0.00 | 0.00 | 0.43 | 0.73 | 3.54 | 56.79 | |||||||||||||
| NO YRS | 47 | 45 | 47 | 45 | 47 | 47 | 46 | 46 | 45 | 45 | 45 | 45 | 38 | |||||||||||||