All values are given in inches
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sept | Oct | Nov | Dec | Annual |
| 1885 | 3.19 | 4.10 | 6.65 | 9.47 | 5.15 | 1.35 | 2.65 | 1.60 | |||||
| 1886 | 4.45 | 1.60 | 9.79 | 2.15 | 2.15 | 7.75 | 14.30 | 7.75 | 4.65 | 2.66 | 2.20 | 4.85 | 64.30 |
| 1887 | 6.20 | 1.15 | 4.35 | 5.10 | 2.80 | 5.00 | 12.45 | 3.75 | 4.25 | 2.70 | 1.45 | 8.35 | 57.55 |
| 1888 | 1.15 | 8.10 | 5.45 | 0.30 | 10.40 | 5.28 | 3.45 | 7.41 | 7.90 | 8.80 | 6.10 | ||
| 1889 | 8.85 | 3.85 | 2.75 | 3.20 | 2.80 | 5.83 | 6.18 | 4.75 | 4.70 | 0.75 | 3.38 | 0.00 | 47.04 |
| 1890 | 0.78 | 3.75 | 4.66 | 0.85 | 12.36 | 5.15 | 9.20 | 4.00 | 5.82 | 5.45 | 0.65 | 2.90 | 55.57 |
| 1891 | 2.20 | 2.43 | 6.12 | 2.25 | 0.90 | 10.47 | 5.35 | 7.28 | 0.95 | 1.00 | 2.90 | 3.00 | 44.85 |
| 1892 | 6.35 | 2.58 | 1.40 | 0.85 | 1.62 | 8.76 | 7.68 | 6.43 | 3.00 | 1.00 | 0.75 | 6.89 | 47.31 |
| 1893 | 3.25 | 2.95 | 6.87 | 5.70 | 4.28 | 3.95 | 5.35 | 8.95 | 6.94 | 2.88 | 2.53 | 6.71 | 60.36 |
| 1894 | 1.29 | 11.19 | 4.45 | 3.55 | 2.08 | 1.28 | 12.60 | 8.29 | 6.80 | 7.43 | 0.90 | 3.02 | 62.88 |
| 1895 | 6.80 | 3.22 | 6.83 | 3.35 | 3.68 | 3.95 | 8.27 | 3.09 | 4.31 | 1.96 | 2.21 | 2.34 | 50.01 |
| 1896 | 5.41 | 3.66 | 6.66 | 1.32 | 2.60 | 10.17 | 10.51 | 3.77 | 2.00 | 3.60 | 8.60 | 5.70 | 64.00 |
| 1897 | 1.42 | 10.45 | 8.84 | 9.29 | 0.43 | 2.64 | 6.13 | 7.29 | 3.98 | 2.57 | 1.02 | 5.27 | 59.33 |
| 1898 | 1.13 | 3.06 | 2.16 | 0.87 | 1.55 | 4.49 | 10.00 | 15.43 | 2.63 | 10.03 | 3.52 | 5.75 | 60.62 |
| 1899 | 3.54 | 4.92 | 3.37 | 2.01 | 0.54 | 6.50 | 3.21 | 11.46 | 2.45 | 3.85 | 0.52 | 2.59 | 44.96 |
| 1900 | 2.39 | 6.67 | 6.64 | 4.05 | 2.06 | 16.47 | 10.31 | 3.89 | 4.84 | 5.48 | 1.52 | 4.63 | 68.95 |
| 1901 | 3.46 | 5.05 | 7.76 | 2.72 | 5.07 | 5.61 | 8.25 | 13.40 | 5.84 | 0.03 | 1.09 | 1.96 | 60.24 |
| 1902 | 1.05 | 6.70 | 11.06 | 0.84 | 2.86 | 9.94 | 5.83 | 4.98 | 7.55 | 3.49 | 6.11 | 5.39 | 65.80 |
| 1903 | 3.28 | 5.35 | 5.21 | 0.11 | 5.59 | 10.01 | 7.09 | 2.98 | 9.96 | 2.92 | 5.14 | 3.25 | 60.89 |
| 1904 | 6.60 | 2.75 | 1.55 | 1.65 | 1.05 | 1.33 | 3.95 | 8.43 | 2.97 | 0.00 | 3.10 | 4.76 | 38.14 |
| 1905 | 3.25 | 6.95 | 4.45 | 0.92 | 7.55 | 3.50 | 8.76 | 6.31 | 3.74 | 2.18 | 1.17 | 9.75 | 58.53 |
| 1906 | 7.55 | 2.05 | 4.65 | 0.15 | 2.92 | 5.17 | 8.88 | 10.12 | 7.31 | 4.75 | 1.30 | 2.35 | 57.20 |
| 1907 | 1.20 | 2.60 | 0.27 | 9.20 | 3.85 | 6.58 | 5.07 | 9.94 | 10.30 | 1.20 | 1.80 | 12.78 | 64.79 |
| 1908 | 3.81 | 4.53 | 0.18 | 8.37 | 4.50 | 6.64 | 10.21 | 8.44 | 5.17 | 1.32 | 0.25 | 1.58 | 55.00 |
| 1909 | 1.32 | 3.61 | 3.36 | 4.24 | 2.66 | 5.22 | 5.15 | 6.03 | 4.72 | 0.73 | 0.48 | 4.65 | 42.17 |
| 1910 | 1.87 | 7.06 | 3.97 | 3.04 | 2.07 | 11.03 | 4.99 | 4.70 | 2.49 | 2.55 | 4.75 | 1.80 | 50.32 |
| 1911 | 1.93 | 0.45 | 4.03 | 1.95 | 4.20 | 5.22 | 7.36 | 10.37 | 2.45 | 4.45 | 5.57 | 8.78 | 56.76 |
| 1912 | 5.42 | 6.07 | 5.55 | 12.91 | 2.88 | 8.72 | 8.85 | 4.65 | 10.84 | 0.08 | 5.09 | 3.23 | 74.29 |
| 1913 | 4.70 | 5.58 | 7.20 | 1.30 | 4.10 | 7.77 | 3.97 | 2.91 | 5.20 | 3.70 | 0.81 | 3.60 | 50.84 |
| 1914 | 4.93 | 12.22 | 3.10 | 1.41 | 1.01 | 4.90 | 7.48 | 6.37 | 4.36 | 3.62 | 2.49 | 4.25 | 56.14 |
| 1915 | 11.28 | 3.80 | 3.86 | 0.94 | 11.03 | 4.36 | 5.78 | 5.61 | 4.57 | 5.25 | 2.09 | 1.97 | 60.54 |
| 1916 | 2.22 | 2.40 | 1.73 | 3.86 | 1.67 | 8.55 | 15.02 | 2.54 | 4.65 | 4.67 | 2.27 | 8.41 | 57.99 |
| 1917 | 4.85 | 4.32 | 2.16 | 0.94 | 3.55 | 2.50 | 6.88 | 8.73 | 2.72 | 0.75 | 1.25 | 2.18 | 40.83 |
| 1918 | 3.23 | 1.18 | 1.51 | 6.12 | 5.28 | 5.68 | 1.28 | 3.98 | 3.85 | 2.30 | 4.44 | 8.16 | 47.01 |
| 1919 | 2.22 | 8.31 | 6.63 | 3.09 | 5.06 | 7.10 | 10.23 | 7.54 | 1.26 | 0.57 | 0.81 | 2.32 | 55.14 |
| 1920 | 3.96 | 4.42 | 2.35 | 7.95 | 4.79 | 4.22 | 8.12 | 9.75 | 6.63 | 1.49 | 2.86 | 6.01 | 62.55 |
| 1921 | 3.15 | 1.67 | 1.87 | 1.86 | 6.51 | 2.91 | 6.22 | 3.96 | 2.66 | 2.30 | 4.63 | 1.46 | 39.20 |
| 1922 | 2.32 | 4.22 | 4.65 | 4.41 | 7.32 | 10.96 | 5.06 | 4.62 | 5.52 | 4.89 | 0.47 | 4.83 | 59.27 |
| 1923 | 2.77 | 3.06 | 3.11 | 3.29 | 4.75 | 9.51 | 6.67 | 5.83 | 1.15 | 0.75 | 1.88 | 1.93 | 44.70 |
| 1924 | 5.88 | 3.17 | 2.81 | 4.42 | 1.73 | 9.07 | 7.96 | 6.64 | 23.85 | 2.65 | 0.58 | 6.83 | 75.59 |
| 1925 | 6.42 | 5.18 | 1.13 | 0.90 | 1.32 | 5.43 | 4.64 | 2.87 | 1.60 | 5.09 | 3.37 | 6.28 | 44.23 |
| 1926 | 8.20 | 5.13 | 5.30 | 4.80 | 2.68 | 2.47 | 4.50 | 7.74 | 5.89 | 1.12 | 2.43 | 1.89 | 52.15 |
| 1927 | 0.22 | 5.17 | 2.13 | 0.65 | 0.70 | 11.41 | 10.65 | 2.60 | 4.20 | 2.60 | 0.87 | 4.88 | 46.08 |
| 1928 | 1.55 | 7.48 | 7.16 | 11.68 | 1.63 | 5.77 | 5.94 | 13.46 | 8.29 | 2.32 | 1.54 | 2.71 | 69.53 |
| 1929 | 5.51 | 3.89 | 4.49 | 5.60 | 5.06 | 8.51 | 6.38 | 5.73 | 6.03 | 4.80 | 1.20 | 3.92 | 61.12 |
| 1930 | 5.86 | 1.87 | 10.78 | 2.32 | 2.62 | 6.62 | 7.67 | 2.71 | 4.47 | 0.98 | 11.97 | 3.40 | 61.27 |
| 1931 | 4.59 | 3.27 | 4.50 | 0.89 | 0.83 | 1.72 | 8.66 | 4.62 | 0.67 | 0.44 | 0.03 | 7.77 | 37.99 |
| 1932 | 7.29 | 1.38 | 3.73 | 2.86 | 3.69 | 8.92 | 2.80 | 11.50 | 10.90 | 4.43 | 4.30 | 2.78 | 64.58 |
| 1933 | 4.84 | 7.26 | 4.93 | 11.22 | 1.39 | 1.82 | 6.10 | 5.09 | 2.31 | 0.22 | 0.34 | 0.71 | 46.23 |
| 1934 | 1.47 | 5.04 | 4.64 | 2.74 | 6.49 | 5.90 | 11.15 | 4.86 | 0.85 | 1.70 | 3.02 | 1.39 | 49.25 |
| 1935 | 2.57 | 7.15 | 2.18 | 5.42 | 8.13 | 2.18 | 10.01 | 12.69 | 10.72 | 0.05 | 2.54 | 3.31 | 66.95 |
| 1936 | 7.32 | 5.62 | 2.10 | 2.16 | 3.65 | 3.94 | 3.34 | 9.00 | 1.29 | 4.45 | 0.07 | 4.32 | 47.26 |
| 1937 | 2.35 | 4.78 | 4.23 | 5.52 | 3.44 | 9.74 | 6.41 | 10.54 | 6.52 | 1.65 | 4.03 | 1.58 | 60.79 |
| 1938 | 2.63 | 0.68 | 2.13 | 2.39 | 2.94 | 8.09 | 6.72 | 3.71 | 5.21 | 2.32 | 1.20 | 2.28 | 40.30 |
| 1939 | 3.33 | 6.01 | 2.81 | 9.25 | 4.66 | 14.64 | 10.86 | 10.80 | 3.77 | 1.24 | 0.93 | 3.14 | 71.44 |
| 1940 | 1.16 | 5.21 | 3.27 | 4.18 | 2.39 | 7.88 | 10.12 | 6.84 | 0.88 | 0.02 | 3.37 | 6.50 | 51.82 |
| 1941 | 1.10 | 1.66 | 4.63 | 1.92 | 1.24 | 6.75 | 6.33 | 7.22 | 4.88 | 5.16 | 0.81 | 4.75 | 46.45 |
| 1942 | 5.00 | 6.72 | 10.06 | 0.37 | 3.78 | 10.26 | 4.17 | 6.44 | 8.26 | 1.18 | 0.73 | 4.88 | 61.85 |
| 1943 | 4.31 | 2.61 | 7.70 | 2.29 | 4.52 | 6.70 | 5.32 | 4.95 | 5.15 | 0.06 | 1.40 | 3.40 | 48.41 |
| 1944 | 3.91 | 4.95 | 10.29 | 3.79 | 2.64 | 1.16 | 14.42 | 10.66 | 9.21 | 1.55 | 2.18 | 0.81 | 65.57 |
| 1945 | 2.64 | 3.40 | 0.91 | 4.46 | 2.47 | 5.91 | 10.35 | 8.09 | 3.91 | 4.74 | 0.64 | 9.06 | 56.58 |
| 1946 | 5.29 | 3.42 | 9.09 | 1.27 | 10.38 | 3.75 | 9.09 | 7.04 | 8.50 | 0.59 | 1.89 | 0.81 | 61.12 |
| 1947 | 6.11 | 3.25 | 5.73 | 9.95 | 8.28 | 11.42 | 4.59 | 5.22 | 5.37 | 4.05 | 12.64 | 4.72 | 81.33 |
| 1948 | 6.26 | 0.85 | 16.48 | 8.20 | 1.28 | 5.73 | 17.88 | 7.09 | 4.19 | 5.50 | 3.96 | 6.10 | 83.52 |
| 1949 | 1.03 | 3.71 | 4.54 | 6.56 | 0.81 | 6.82 | 15.50 | 4.54 | 3.81 | 2.98 | 1.68 | 1.36 | 53.34 |
| 1950 | 0.28 | 3.40 | 4.70 | 9.35 | 5.53 | 5.51 | 6.56 | 10.63 | 0.73 | 1.65 | 0.91 | 2.75 | 52.00 |
| 1951 | 1.96 | 1.79 | 7.43 | 1.44 | 4.14 | 4.60 | 5.57 | 3.21 | 4.59 | 0.62 | 8.44 | 4.77 | 48.56 |
| 1952 | 1.68 | 7.50 | 6.85 | 4.39 | 3.28 | 2.50 | 5.57 | 6.32 | 4.77 | 0.14 | 1.27 | 1.44 | 45.71 |
| 1953 | 3.89 | 6.15 | 1.08 | 7.26 | 0.80 | 8.26 | 5.77 | 9.71 | 6.14 | 1.41 | 2.64 | 7.89 | 61.00 |
| 1954 | 0.79 | 1.69 | 2.22 | 1.02 | 3.12 | 5.26 | 5.97 | 3.26 | 2.82 | 1.79 | 1.20 | 1.84 | 30.98 |
| 1955 | 5.21 | 2.65 | 0.99 | 3.67 | 0.85 | 5.99 | 10.51 | 3.82 | 5.41 | 1.44 | 0.97 | 2.60 | 44.11 |
| 1956 | 5.09 | 5.47 | 2.00 | 1.90 | 5.71 | 7.32 | 9.78 | 5.40 | 4.20 | 4.34 | 0.42 | 2.28 | 53.91 |
| 1957 | 0.21 | 0.82 | 5.65 | 5.26 | 8.01 | 9.69 | 8.89 | 6.72 | 20.32 | 1.63 | 5.18 | 2.01 | 74.39 |
| 1958 | 2.88 | 3.83 | 5.44 | 8.76 | 5.45 | 5.15 | 6.91 | 3.59 | 1.58 | 1.85 | 1.97 | 2.09 | 49.50 |
| 1959 | 4.55 | 6.15 | 11.15 | 3.65 | 9.73 | 8.97 | 7.41 | 9.40 | 6.31 | 12.27 | 0.46 | 1.76 | 81.81 |
| 1960 | 2.77 | 9.00 | 4.03 | 7.19 | 3.18 | 9.65 | 5.59 | 5.07 | 9.83 | 3.28 | 4.12 | 3.34 | 67.05 |
| 1961 | 2.58 | 5.29 | 4.43 | 2.36 | 2.40 | 4.55 | 6.48 | 10.07 | 3.00 | 0.00 | 1.70 | 4.23 | 47.09 |
| 1962 | 1.68 | 2.43 | 10.66 | 2.41 | 0.98 | 6.98 | 4.87 | 5.95 | 6.72 | 0.45 | 7.42 | 2.44 | 52.99 |
| 1963 | 5.30 | 4.74 | 2.76 | 1.68 | 5.49 | 9.23 | 7.13 | 7.70 | 6.60 | 0.45 | 2.88 | 7.04 | 61.00 |
| 1964 | 9.27 | 11.50 | 4.06 | 5.61 | 2.63 | 8.16 | 20.12 | 9.32 | 6.51 | 10.48 | 3.87 | 12.65 | 104.18 |
| 1965 | 3.86 | 10.03 | 7.86 | 7.14 | 0.00 | 12.62 | 8.09 | 8.16 | 10.25 | 3.49 | 2.54 | 4.75 | 78.79 |
| 1966 | 9.25 | 9.95 | 3.24 | 2.21 | 8.23 | 8.05 | 6.54 | 8.89 | 10.67 | 2.89 | 1.15 | 3.99 | 75.06 |
| 1967 | 6.38 | 5.60 | 1.29 | 1.44 | 5.43 | 5.00 | 8.31 | 9.03 | 1.71 | 3.39 | 3.06 | 6.28 | 56.92 |
| 1968 | 2.15 | 3.76 | 2.10 | 1.06 | 4.00 | 2.96 | 4.89 | 5.40 | 8.91 | 4.70 | 4.07 | 6.72 | 50.72 |
| 1969 | 0.40 | 5.17 | 9.13 | 2.02 | 4.38 | 4.88 | 18.83 | 4.88 | 15.92 | 1.21 | 1.93 | 5.77 | 74.52 |
| 1970 | 6.50 | 4.62 | 11.49 | 3.57 | 2.41 | 4.80 | 16.13 | 8.93 | 6.85 | 4.63 | 2.31 | 3.23 | 75.47 |
| 1971 | 3.04 | 5.48 | 4.81 | 1.85 | 4.08 | 7.44 | 10.80 | 10.75 | 1.57 | 3.46 | 0.88 | 4.11 | 58.27 |
| 1972 | 6.52 | 7.05 | 5.80 | 0.55 | 9.08 | 11.13 | 4.13 | 5.23 | 0.11 | 1.75 | 9.86 | 4.85 | 66.06 |
| 1973 | 4.96 | 7.16 | 13.57 | 13.13 | 8.38 | 7.09 | 4.41 | 10.78 | 5.30 | 2.35 | 3.21 | 7.46 | 87.80 |
| 1974 | 3.36 | 2.87 | 3.00 | 3.99 | 8.59 | 3.84 | 7.60 | 9.38 | 10.43 | 0.93 | 1.64 | 3.80 | 59.43 |
| 1975 | 11.68 | 2.85 | 6.18 | 7.17 | 10.34 | 4.77 | 17.52 | 6.80 | 4.88 | 4.41 | 1.50 | 7.83 | 85.93 |
| 1976 | 5.53 | 1.21 | 5.30 | 1.65 | 11.66 | 11.02 | 4.19 | 7.35 | 2.79 | 11.79 | 10.44 | 4.09 | 77.02 |
| 1977 | 6.40 | 3.10 | 6.07 | 2.73 | 3.41 | 2.09 | 3.19 | 15.73 | 5.27 | 0.80 | 3.50 | 6.02 | 58.31 |
| 1978 | 7.04 | 4.95 | 6.41 | 2.42 | 3.80 | 6.13 | 11.09 | 7.92 | 1.55 | 1.70 | 3.65 | 4.63 | 61.29 |
| 1979 | 10.49 | 4.09 | 1.89 | 10.44 | 9.24 | 2.49 | 15.19 | 6.75 | 10.16 | 0.35 | 3.64 | 5.72 | 80.45 |
| 1980 | 4.38 | 2.15 | 11.14 | 6.01 | 5.87 | 5.73 | 11.02 | 3.48 | 6.23 | 4.88 | 3.31 | 0.89 | 65.09 |
| 1981 | 1.83 | 8.17 | 8.83 | 1.19 | 1.38 | 6.17 | 5.77 | 2.97 | 4.86 | 1.85 | 2.47 | 5.15 | 50.64 |
| 1982 | 3.65 | 5.55 | 4.57 | 3.81 | 3.61 | 7.35 | 11.75 | 4.10 | 6.59 | 1.22 | 2.34 | 5.50 | 60.04 |
| 1983 | 3.89 | 6.76 | 13.04 | 7.62 | 3.35 | 9.39 | 2.35 | 2.45 | 4.36 | 1.03 | 6.42 | 6.20 | 66.86 |
| 1984 | 3.59 | 6.55 | 7.11 | 7.52 | 6.34 | 3.33 | 9.76 | 4.31 | 2.49 | 1.43 | 2.36 | 1.41 | 56.20 |
| 1985 | 3.09 | 1.49 | 4.57 | 0.98 | 2.57 | 7.50 | 9.56 | 10.15 | 2.23 | 7.53 | 6.05 | 7.21 | 62.93 |
| 1986 | 2.69 | 9.61 | 2.52 | 0.39 | 1.33 | 9.23 | 11.79 | 11.62 | 4.27 | 2.01 | 8.39 | 7.93 | 71.78 |
| 1987 | 6.45 | 6.15 | 9.46 | 0.44 | 6.17 | 12.54 | 6.34 | 8.95 | 3.96 | 0.00 | 6.35 | 1.01 | 67.82 |
| 1988 | 3.52 | 7.07 | 7.38 | 3.77 | 0.54 | 2.14 | 6.74 | 5.73 | 3.98 | 2.53 | 3.98 | 1.08 | 48.46 |
| 1989 | 0.47 | 2.93 | 4.35 | 3.64 | 5.00 | 17.41 | 6.48 | 6.26 | 4.51 | 3.37 | 4.58 | 4.59 | 63.59 |
| 1990 | 3.10 | 7.33 | 3.38 | 3.38 | 1.94 | 3.98 | 3.43 | 6.83 | 4.86 | 2.49 | 0.55 | 4.46 | 45.73 |
| 1991 | 18.94 | 0.87 | 12.55 | 5.96 | 9.73 | 6.39 | 9.60 | 3.89 | 0.56 | 1.54 | 0.63 | 1.59 | 72.25 |
| 1992 | 6.52 | 6.41 | 3.84 | 0.33 | 5.31 | 14.96 | 3.19 | 6.82 | 4.20 | 2.87 | 6.96 | 1.37 | 62.78 |
| 1993 | 9.63 | 4.50 | 6.86 | 0.43 | 1.79 | 2.31 | 8.05 | 6.13 | 1.75 | 5.37 | 2.12 | 2.99 | 51.93 |
| 1994 | 8.23 | 2.63 | 11.80 | 3.43 | 0.00 | 8.84 | 8.31 | 13.46 | 10.88 | 11.57 | 3.52 | 2.73 | 85.40 |
| 1995 | 3.30 | 2.64 | 5.61 | 2.12 | 4.01 | 7.60 | 9.64 | 2.73 | 3.71 | 3.91 | 3.36 | 3.77 | 52.40 |
| 1996 | 2.90 | 3.57 | 8.43 | 3.68 | 1.94 | 4.68 | 3.35 | 8.21 | 4.04 | 8.69 | 1.11 | 6.12 | 56.72 |
| 1997 | 4.17 | 5.56 | 2.23 | 5.98 | 8.15 | 9.79 | 7.24 | 4.87 | 1.40 | 4.99 | 6.36 | 3.51 | 64.25 |
| 1998 | 4.49 | 7.27 | 6.82 | 1.05 | 0.54 | 1.95 | 16.40 | 3.16 | 13.92 | 0.18 | 1.39 | 1.66 | 58.83 |
| 1999 | 4.27 | 1.64 | 3.23 | 0.91 | 6.91 | 7.49 | 7.35 | 6.06 | 5.82 | 1.62 | 2.22 | 2.55 | 50.07 |
| 2000 | 2.58 | 1.34 | 3.36 | 1.00 | 0.16 | 2.70 | 5.01 | 8.12 | 13.74 | 0.98 | 2.85 | 2.67 | 44.51 |
| 2001 | 2.39 | 0.64 | 8.85 | 1.73 | 2.87 | 15.83 | 6.72 | 12.02 | 5.57 | 3.95 | 2.10 | 0.78 | 63.45 |
| 2002 | 6.22 | 1.39 | 10.56 | 0.49 | 1.75 | 3.20 | 6.40 | 4.12 | 8.61 | 3.54 | 3.50 | 6.62 | 56.40 |
| 2003 | 0.34 | 6.83 | 6.84 | 2.07 | 3.15 | 14.30 | 7.58 | 10.45 | 4.41 | 4.52 | 2.80 | 2.01 | 65.30 |
| 2004 | 3.67 | 6.97 | 0.24M | 3.47 | 0.91 | 10.68 | 6.32M | 9.33 | 6.02 | 2.99 | 2.60 | 3.63 | 56.83M |
| 2005 | 1.46 | 3.88 | 7.10 | 6.67 | 3.30 | 8.65 | 11.50 | 14.33 | 1.60 | 0.08 | 4.35 | 5.36 | 68.28 |
| 2006 | 2.36 | 7.35 | 0.29 | 1.08 | 4.04 | 8.34 | 3.93 | 5.37 | 2.09 | 3.76 | 2.38 | 8.35 | 49.34 |
| 2007 | 3.42 | 4.43 | 0.90 | 1.14 | 0.20 | 5.85 | 7.43 | 8.05 | 4.38 | 4.49 | 1.22 | 2.96 | 44.47 |
| 2008 | 3.53 | 8.31 | 2.41 | 3.74 | 3.22 | 5.77 | 4.27 | 16.52 | 1.29 | 4.26 | 5.68 | 1.37 | 60.37 |
| 2009 | 1.27 | 2.50 | 5.29 | 10.18 | 6.55 | 5.53 | 4.45 | 3.29 | 2.49 | 3.37 | 2.27 | 10.92 | 58.11 |
| 2010 | 8.09 | 4.97 | 5.11 | 3.58 | 2.95 | 7.99 | 7.79 | 9.97 | 1.93 | 0.78 | 3.90 | 1.48 | 58.54 |
| 2011 | 4.43 | 2.61 | 3.14 | 2.11 | 0.59 | 4.59 | 4.28 | 2.02 | 4.11 | 1.59 | 0.93 | 4.40 | 34.81 |
| 2012 | 2.85 | 3.30 | 4.14 | 2.33 | 4.32 | 13.10 | 4.81 | 12.33 | 7.06 | 1.46 | 0.34 | 3.27 | 59.31 |
| 2013 | 0.85 | 12.36 | 4.35 | 4.40 | 0.43 | 7.32 | 14.96 | 8.62 | 3.17 | 1.03 | 4.39 | 4.89M | 66.81 |
| 2014 | 3.67 | 4.38 | 10.24 | 12.46 | 1.35 | 4.40 | 2.32 | 2.26 | 6.82 | 4.87 | 6.93 | 8.78 | 68.48 |
| 2015 | 4.76 | 4.43 | 3.15 | 4.27 | 1.92 | 6.99 | 6.15 | 6.07 | 3.06 | 0.48 | 8.33 | 4.77 | 54.38 |
| 2016 | 4.25 | 4.45 | 6.50 | 6.49 | 1.71 | 8.38 | 7.93 | 7.60 | 7.66 | 0.16 | 0.49 | 4.20 | 59.82 |
| 2017 | 7.21 | 2.72 | 1.19 | 3.17 | 5.51 | 12.74 | 5.16 | 7.57 | 3.43 | 3.97 | 0.53 | 1.99 | 55.19 |
| 2018 | 1.99 | 4.20 | 6.85 | 3.72 | 6.97 | 7.65 | 8.24 | 11.48 | 4.07 | 3.90 | 5.28 | 15.77 | 79.86 |
| 2019 | 3.47 | 1.12 | 2.99 | 3.25 | 1.48 | 5.36 | 8.29 | 4.41 | T | 4.35 | 0.87 | 3.46 | 39.05 |
| 2020 | 1.33 | 5.10 | 2.22 | 4.51 | 4.39 | 9.38 | 7.00 | 8.52 | 9.55 | 2.01 | 3.63 | 3.17 | 60.81 |
| 2021 | 6.81 | 3.58 | 1.83 | 3.51 | 1.46 | 5.84 | 4.53 | 5.55 | 8.26 | 5.29 | 0.58 | 1.93 | 48.63 |
| 2022 | 4.34 | 1.28 | 9.05 | 2.43 | 3.29 | 9.50 | 13.00 | 8.47 | 2.25 | 0.22 | 2.47 | 2.09 | 58.39 |
| 2023 | 6.68 | 3.90 | 3.46 | 3.36 | 2.84 | 5.65 | 6.41 | 5.20 | 5.29 | 2.99 | 3.34 | 10.90 | 60.02 |
| 2024 | 5.35 | 2.25 | 7.67 | 7.41 | 7.69 | 3.91 | 8.57 | 4.11 | 11.21 |
M = Monthly means or totals based on incomplete time series. 1 to 9 days are missing
X = Data not available
Last Updated on 09/12/23
By EP
