SAN FRANCISCO |
![]() |
| Jul | Aug | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Season | |||
| 1849 | - | 1850 | 0.00 | 0.00 | 0.00 | 3.14 | 8.66 | 6.20 | 8.34 | 1.77 | 4.53 | 0.46 | 0.00 | 0.00 | 33.10 |
| 1850 | - | 1851 | 0.00 | 0.00 | 0.33 | 0.00 | 0.92 | 1.05 | 0.72 | 0.54 | 1.94 | 1.23 | 0.67 | 0.02 | 7.42 |
| 1851 | - | 1852 | 0.00 | 0.02 | 1.03 | 0.21 | 2.21 | 7.10 | 0.58 | 0.14 | 6.68 | 0.26 | 0.32 | 0.00 | 18.55 |
| 1852 | - | 1853 | 0.00 | 0.00 | 0.00 | 0.80 | 5.31 | 13.20 | 3.92 | 1.42 | 4.86 | 5.37 | 0.38 | 0.00 | 35.26 |
| 1853 | - | 1854 | 0.00 | 0.04 | 0.46 | 0.12 | 2.28 | 2.32 | 3.88 | 8.04 | 3.51 | 3.12 | 0.02 | 0.08 | 23.87 |
| 1854 | - | 1855 | 0.00 | 0.01 | 0.15 | 2.43 | 0.34 | 0.87 | 3.67 | 4.77 | 4.64 | 4.99 | 1.88 | 0.08 | 23.83 |
| 1855 | - | 1856 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 5.76 | 9.40 | 0.50 | 1.60 | 2.94 | 0.76 | 0.03 | 21.66 |
| 1856 | - | 1857 | 0.02 | 0.00 | 0.07 | 0.45 | 2.79 | 3.75 | 2.45 | 8.59 | 1.62 | 0.00 | 0.05 | 0.12 | 19.91 |
| 1857 | - | 1858 | 0.00 | 0.05 | 0.00 | 0.93 | 3.01 | 4.14 | 4.36 | 1.83 | 5.55 | 1.55 | 0.34 | 0.05 | 21.81 |
| 1858 | - | 1859 | 0.05 | 0.16 | 0.00 | 2.74 | 0.69 | 6.14 | 1.28 | 6.32 | 3.02 | 0.27 | 1.55 | 0.00 | 22.22 |
| 1859 | - | 1860 | 0.00 | 0.02 | 0.03 | 0.05 | 7.28 | 1.57 | 1.64 | 1.60 | 3.99 | 3.14 | 2.86 | 0.09 | 22.27 |
| 1860 | - | 1861 | 0.21 | 0.00 | 0.00 | 0.91 | 0.58 | 6.16 | 2.47 | 3.72 | 4.08 | 0.51 | 1.00 | 0.08 | 19.72 |
| 1861 | - | 1862 | 0.00 | 0.00 | 0.02 | 0.00 | 4.10 | 9.54 | 24.36 | 7.53 | 2.20 | 0.73 | 0.74 | 0.05 | 49.27 |
| 1862 | - | 1863 | 0.00 | 0.00 | 0.00 | 0.52 | 0.15 | 2.35 | 3.63 | 3.19 | 2.06 | 1.61 | 0.23 | 0.00 | 13.74 |
| 1863 | - | 1864 | 0.00 | 0.00 | 0.03 | 0.00 | 2.55 | 1.80 | 1.83 | 0.00 | 1.52 | 1.57 | 0.78 | 0.00 | 10.08 |
| 1864 | - | 1865 | 0.00 | 0.21 | 0.01 | 0.13 | 6.68 | 8.91 | 5.14 | 1.34 | 0.74 | 0.94 | 0.63 | 0.00 | 24.73 |
| 1865 | - | 1866 | 0.00 | 0.00 | 0.24 | 0.26 | 4.19 | 0.58 | 10.88 | 2.12 | 3.04 | 0.12 | 1.46 | 0.04 | 22.93 |
| 1866 | - | 1867 | 0.00 | 0.00 | 0.11 | 0.00 | 3.35 | 15.16 | 5.16 | 7.20 | 1.58 | 2.36 | 0.00 | 0.00 | 34.92 |
| 1867 | - | 1868 | 0.00 | 0.00 | 0.04 | 0.20 | 3.41 | 10.69 | 9.50 | 6.13 | 6.30 | 2.31 | 0.03 | 0.23 | 38.84 |
| 1868 | - | 1869 | 0.00 | 0.00 | 0.00 | 0.15 | 1.18 | 4.34 | 6.35 | 3.90 | 3.14 | 2.19 | 0.08 | 0.02 | 21.35 |
| 1869 | - | 1870 | 0.00 | 0.00 | 0.12 | 1.29 | 1.19 | 4.31 | 3.89 | 4.78 | 2.00 | 1.53 | 0.20 | 0.00 | 19.31 |
| 1870 | - | 1871 | 0.00 | 0.00 | 0.03 | 0.00 | 0.43 | 3.38 | 3.07 | 3.76 | 1.31 | 1.89 | 0.23 | 0.01 | 14.11 |
| 1871 | - | 1872 | 0.00 | 0.02 | 0.00 | 0.07 | 2.81 | 14.36 | 4.00 | 6.90 | 1.59 | 0.81 | 0.18 | 0.04 | 30.78 |
| 1872 | - | 1873 | 0.01 | 0.00 | 0.04 | 0.11 | 2.79 | 5.95 | 1.58 | 3.94 | 0.79 | 0.43 | 0.00 | 0.02 | 15.66 |
| 1873 | - | 1874 | 0.01 | 0.08 | 0.00 | 0.83 | 1.16 | 9.72 | 5.66 | 2.21 | 3.36 | 0.90 | 0.66 | 0.14 | 24.73 |
| 1874 | - | 1875 | 0.00 | 0.00 | 0.02 | 2.69 | 6.55 | 0.33 | 8.01 | 0.32 | 1.30 | 0.10 | 0.22 | 1.02 | 20.56 |
| 1875 | - | 1876 | 0.00 | 0.00 | 0.00 | 0.24 | 7.27 | 4.15 | 7.55 | 4.92 | 5.49 | 1.29 | 0.24 | 0.04 | 31.19 |
| 1876 | - | 1877 | 0.01 | 0.01 | 0.38 | 3.36 | 0.25 | 0.00 | 4.32 | 1.18 | 1.08 | 0.26 | 0.18 | 0.01 | 11.04 |
| 1877 | - | 1878 | 0.02 | 0.00 | 0.00 | 0.65 | 1.57 | 2.66 | 11.97 | 12.52 | 4.56 | 1.06 | 0.16 | 0.01 | 35.18 |
| 1878 | - | 1879 | 0.01 | 0.00 | 0.55 | 1.27 | 0.57 | 0.58 | 3.52 | 4.90 | 8.75 | 1.89 | 2.35 | 0.05 | 24.44 |
| 1879 | - | 1880 | 0.01 | 0.02 | 0.00 | 0.78 | 4.03 | 4.46 | 2.23 | 1.87 | 2.08 | 10.06 | 1.12 | 0.00 | 26.66 |
| 1880 | - | 1881 | 0.00 | 0.00 | 0.00 | 0.05 | 0.33 | 12.33 | 8.69 | 4.65 | 0.90 | 2.00 | 0.22 | 0.69 | 29.86 |
| 1881 | - | 1882 | 0.00 | 0.00 | 0.25 | 0.54 | 1.94 | 3.85 | 1.68 | 2.96 | 3.45 | 1.22 | 0.21 | 0.04 | 16.14 |
| 1882 | - | 1883 | 0.00 | 0.00 | 0.26 | 2.66 | 4.18 | 2.01 | 1.92 | 1.04 | 3.01 | 1.51 | 3.52 | 0.01 | 20.12 |
| 1883 | - | 1884 | 0.00 | 0.00 | 0.42 | 1.42 | 1.60 | 0.92 | 3.94 | 6.65 | 8.24 | 6.33 | 0.23 | 2.57 | 32.32 |
| 1884 | - | 1885 | 0.00 | 0.04 | 0.33 | 2.55 | 0.26 | 7.68 | 2.53 | 0.30 | 1.01 | 3.17 | 0.04 | 0.19 | 18.10 |
| 1885 | - | 1886 | 0.06 | 0.00 | 0.11 | 0.72 | 11.78 | 4.99 | 7.42 | 0.24 | 2.07 | 5.28 | 0.37 | 0.01 | 33.05 |
| 1886 | - | 1887 | 0.23 | 0.00 | 0.01 | 1.48 | 0.84 | 2.07 | 1.90 | 9.24 | 0.84 | 2.30 | 0.06 | 0.07 | 19.04 |
| 1887 | - | 1888 | 0.00 | 0.01 | 0.29 | 0.00 | 0.99 | 3.34 | 6.81 | 0.94 | 3.60 | 0.11 | 0.38 | 0.27 | 16.74 |
| 1888 | - | 1889 | 0.01 | 0.01 | 0.98 | 0.13 | 3.99 | 5.80 | 1.28 | 0.72 | 7.78 | 0.96 | 2.17 | 0.03 | 23.86 |
| 1889 | - | 1890 | 0.01 | 0.00 | 0.00 | 7.28 | 2.90 | 13.81 | 9.61 | 5.16 | 4.73 | 1.18 | 1.07 | 0.10 | 45.85 |
| 1890 | - | 1891 | 0.02 | 0.00 | 0.31 | 0.00 | 0.00 | 3.25 | 0.98 | 7.26 | 1.96 | 2.44 | 1.25 | 0.11 | 17.58 |
| 1891 | - | 1892 | 0.10 | 0.02 | 0.77 | 0.04 | 0.56 | 5.62 | 2.42 | 2.90 | 2.85 | 1.39 | 1.86 | 0.00 | 18.53 |
| 1892 | - | 1893 | 0.00 | 0.00 | 0.02 | 1.65 | 3.91 | 5.08 | 3.05 | 2.75 | 4.08 | 1.03 | 0.15 | 0.03 | 21.75 |
| 1893 | - | 1894 | 0.02 | 0.00 | 0.21 | 0.16 | 4.18 | 2.25 | 5.99 | 2.69 | 0.60 | 0.50 | 1.31 | 0.56 | 18.47 |
| 1894 | - | 1895 | 0.00 | 0.00 | 1.05 | 1.73 | 0.88 | 9.01 | 6.99 | 2.31 | 1.89 | 1.24 | 0.60 | 0.00 | 25.70 |
| 1895 | - | 1896 | 0.01 | 0.00 | 0.77 | 0.11 | 1.78 | 1.43 | 8.14 | 0.28 | 2.85 | 5.16 | 0.72 | 0.00 | 21.25 |
| 1896 | - | 1897 | 0.04 | 0.09 | 0.52 | 1.55 | 4.56 | 4.34 | 2.26 | 4.41 | 4.56 | 0.27 | 0.61 | 0.22 | 23.43 |
| 1897 | - | 1898 | 0.00 | 0.00 | 0.10 | 1.70 | 1.05 | 1.22 | 1.12 | 2.13 | 0.24 | 0.19 | 1.44 | 0.19 | 9.38 |
| 1898 | - | 1899 | 0.00 | 0.00 | 1.06 | 0.86 | 0.46 | 1.62 | 3.67 | 0.10 | 7.61 | 0.62 | 0.86 | 0.01 | 16.87 |
| 1899 | - | 1900 | 0.00 | 0.00 | 0.00 | 3.92 | 3.79 | 2.65 | 4.11 | 0.64 | 1.91 | 1.08 | 0.32 | 0.05 | 18.47 |
| 1900 | - | 1901 | 0.00 | 0.00 | 0.46 | 1.48 | 3.91 | 1.37 | 5.79 | 5.03 | 0.80 | 1.64 | 0.69 | 0.00 | 21.17 |
| 1901 | - | 1902 | 0.00 | 0.00 | 0.78 | 0.64 | 3.48 | 0.90 | 1.23 | 7.27 | 2.65 | 0.98 | 1.05 | 0.00 | 18.98 |
| 1902 | - | 1903 | 0.00 | 0.00 | 0.00 | 1.70 | 1.98 | 2.32 | 3.73 | 1.76 | 6.23 | 0.56 | 0.00 | 0.00 | 18.28 |
| 1903 | - | 1904 | 0.00 | 0.00 | 0.00 | 0.17 | 4.25 | 1.63 | 1.05 | 5.89 | 6.01 | 1.29 | 0.30 | 0.00 | 20.59 |
| 1904 | - | 1905 | 0.02 | 0.06 | 5.07 | 2.37 | 1.07 | 1.59 | 4.04 | 2.70 | 3.15 | 1.33 | 2.05 | 0.00 | 23.45 |
| 1905 | - | 1906 | 0.00 | 0.00 | 0.00 | 0.00 | 0.92 | 2.05 | 3.90 | 4.30 | 5.02 | 0.92 | 2.75 | 0.56 | 20.42 |
| 1906 | - | 1907 | 0.08 | 0.11 | 0.18 | 0.03 | 1.59 | 6.90 | 4.41 | 3.02 | 8.42 | 0.11 | 0.04 | 1.28 | 26.17 |
| 1907 | - | 1908 | 0.00 | 0.02 | 0.11 | 1.36 | 0.04 | 3.66 | 4.88 | 5.39 | 0.90 | 0.22 | 0.76 | 0.01 | 17.35 |
| 1908 | - | 1909 | 0.02 | 0.01 | 0.13 | 0.61 | 1.34 | 2.15 | 10.51 | 7.53 | 3.27 | 0.00 | 0.00 | 0.00 | 25.57 |
| 1909 | - | 1910 | 0.00 | 0.00 | 0.80 | 1.23 | 2.43 | 5.59 | 3.24 | 2.09 | 3.78 | 0.31 | 0.03 | 0.02 | 19.52 |
| 1910 | - | 1911 | 0.00 | 0.00 | 0.05 | 0.65 | 0.48 | 1.73 | 13.79 | 3.02 | 4.57 | 0.89 | 0.28 | 0.03 | 25.49 |
| 1911 | - | 1912 | 0.00 | 0.00 | 0.00 | 0.28 | 0.60 | 2.54 | 2.47 | 0.41 | 4.10 | 1.38 | 1.47 | 0.81 | 14.06 |
| 1912 | - | 1913 | 0.00 | 0.00 | 1.25 | 0.49 | 1.94 | 1.30 | 3.84 | 0.43 | 1.47 | 0.60 | 0.63 | 0.02 | 11.97 |
| 1913 | - | 1914 | 0.07 | 0.01 | 0.00 | 0.35 | 6.22 | 5.41 | 9.76 | 5.04 | 1.09 | 0.99 | 0.37 | 0.29 | 29.60 |
| 1914 | - | 1915 | 0.02 | 0.00 | 0.00 | 0.29 | 0.70 | 5.49 | 6.74 | 7.36 | 3.02 | 0.62 | 3.17 | 0.00 | 27.41 |
| 1915 | - | 1916 | 0.01 | 0.00 | 0.00 | 0.01 | 0.92 | 6.42 | 14.59 | 3.77 | 1.33 | 0.00 | 0.07 | 0.00 | 27.12 |
| 1916 | - | 1917 | 0.03 | 0.29 | 1.20 | 0.52 | 1.50 | 4.79 | 1.83 | 3.81 | 1.42 | 0.33 | 0.06 | 0.00 | 15.78 |
| 1917 | - | 1918 | 0.00 | 0.00 | 0.02 | 0.00 | 0.81 | 0.72 | 0.81 | 5.79 | 2.73 | 0.60 | 0.00 | 0.00 | 11.48 |
| 1918 | - | 1919 | 0.00 | 0.00 | 2.53 | 0.17 | 5.60 | 2.62 | 2.57 | 9.31 | 2.74 | 0.10 | 0.00 | 0.00 | 25.64 |
| 1919 | - | 1920 | 0.01 | 0.00 | 0.39 | 0.27 | 0.44 | 3.21 | 0.26 | 1.23 | 3.25 | 1.36 | 0.00 | 0.04 | 10.46 |
| 1920 | - | 1921 | 0.00 | 0.00 | 0.13 | 1.83 | 2.70 | 7.48 | 6.30 | 1.38 | 2.28 | 0.54 | 0.52 | 0.00 | 23.16 |
| 1921 | - | 1922 | 0.00 | 0.00 | 0.35 | 0.52 | 1.43 | 6.39 | 2.41 | 5.15 | 2.38 | 0.47 | 0.55 | 0.26 | 19.91 |
| 1922 | - | 1923 | 0.00 | 0.00 | 0.00 | 2.95 | 3.77 | 7.77 | 2.84 | 0.77 | 0.03 | 3.92 | 0.06 | 0.06 | 22.17 |
| 1923 | - | 1924 | 0.00 | 0.01 | 0.44 | 0.46 | 0.49 | 1.91 | 2.75 | 3.30 | 1.96 | 0.30 | 0.00 | 0.00 | 11.62 |
| 1924 | - | 1925 | 0.00 | 0.01 | 0.00 | 2.98 | 1.50 | 7.37 | 1.62 | 7.90 | 2.63 | 2.73 | 4.02 | 0.05 | 30.81 |
| 1925 | - | 1926 | 0.06 | 0.00 | 0.45 | 0.31 | 2.32 | 1.01 | 5.48 | 5.40 | 0.25 | 5.26 | 0.15 | 0.00 | 20.69 |
| 1926 | - | 1927 | 0.00 | 0.04 | 0.00 | 1.90 | 7.21 | 1.04 | 3.77 | 6.85 | 2.19 | 1.95 | 0.10 | 0.38 | 25.43 |
| 1927 | - | 1928 | 0.00 | 0.00 | 0.00 | 1.93 | 3.18 | 3.94 | 2.40 | 1.97 | 4.65 | 1.31 | 0.26 | 0.00 | 19.64 |
| 1928 | - | 1929 | 0.00 | 0.00 | 0.03 | 0.04 | 3.35 | 4.89 | 1.32 | 2.14 | 1.56 | 1.01 | 0.01 | 0.86 | 15.21 |
| 1929 | - | 1930 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 3.09 | 4.99 | 2.94 | 3.53 | 1.56 | 0.16 | 0.00 | 16.28 |
| 1930 | - | 1931 | 0.00 | 0.00 | 0.10 | 0.89 | 1.56 | 0.98 | 5.50 | 1.10 | 1.68 | 0.31 | 1.10 | 0.32 | 13.54 |
| 1931 | - | 1932 | 0.00 | 0.00 | 0.00 | 0.68 | 2.93 | 9.24 | 3.23 | 3.00 | 0.86 | 0.47 | 0.65 | 0.03 | 21.09 |
| 1932 | - | 1933 | 0.00 | 0.00 | 0.00 | 0.01 | 1.00 | 2.75 | 5.68 | 1.13 | 2.93 | 0.06 | 1.36 | 0.01 | 14.93 |
| 1933 | - | 1934 | 0.00 | 0.00 | 0.14 | 1.49 | 0.00 | 4.19 | 1.03 | 4.68 | 0.07 | 0.51 | 0.12 | 0.68 | 12.91 |
| 1934 | - | 1935 | 0.01 | 0.00 | 0.13 | 0.88 | 3.76 | 4.06 | 6.23 | 2.38 | 2.31 | 3.45 | 0.01 | 0.00 | 23.22 |
| 1935 | - | 1936 | 0.00 | 0.25 | 0.08 | 1.44 | 1.24 | 3.25 | 5.77 | 10.06 | 1.01 | 1.09 | 0.49 | 0.28 | 24.96 |
| 1936 | - | 1937 | 0.03 | 0.02 | 0.00 | 0.69 | 0.01 | 2.94 | 5.26 | 4.88 | 7.05 | 0.86 | 0.06 | 0.59 | 22.39 |
| 1937 | - | 1938 | 0.00 | 0.00 | 0.00 | 0.90 | 2.46 | 3.73 | 2.65 | 8.49 | 5.73 | 1.52 | 0.00 | 0.00 | 25.48 |
| 1938 | - | 1939 | 0.01 | 0.00 | 0.15 | 1.33 | 0.88 | 1.48 | 3.07 | 1.94 | 2.62 | 0.42 | 0.63 | 0.00 | 12.53 |
| 1939 | - | 1940 | 0.00 | 0.00 | 1.06 | 0.17 | 0.20 | 1.05 | 9.98 | 7.81 | 5.32 | 0.94 | 0.63 | 0.01 | 27.17 |
| 1940 | - | 1941 | 0.00 | 0.00 | 0.59 | 1.05 | 2.22 | 6.25 | 8.24 | 6.71 | 4.75 | 4.05 | 1.18 | 0.01 | 35.05 |
| 1941 | - | 1942 | 0.01 | 0.03 | 0.00 | 0.93 | 1.99 | 7.29 | 4.76 | 4.27 | 2.62 | 3.65 | 1.11 | 0.00 | 26.66 |
| 1942 | - | 1943 | 0.01 | 0.00 | 0.18 | 0.95 | 4.45 | 2.87 | 6.15 | 1.95 | 3.18 | 1.88 | 0.13 | 0.13 | 21.88 |
| 1943 | - | 1944 | 0.00 | 0.00 | 0.02 | 0.74 | 0.80 | 2.69 | 4.31 | 5.34 | 0.83 | 2.07 | 0.94 | 0.12 | 17.86 |
| 1944 | - | 1945 | 0.01 | 0.02 | 0.00 | 1.70 | 6.24 | 3.97 | 1.33 | 3.43 | 4.15 | 0.32 | 0.64 | 0.01 | 21.82 |
| 1945 | - | 1946 | 0.00 | 0.00 | 0.04 | 1.95 | 3.24 | 9.84 | 1.76 | 2.03 | 2.34 | 0.05 | 0.37 | 0.02 | 21.64 |
| 1946 | - | 1947 | 0.06 | 0.00 | 0.06 | 0.15 | 2.73 | 2.77 | 1.35 | 2.65 | 3.64 | 0.17 | 0.67 | 0.64 | 14.89 |
| 1947 | - | 1948 | 0.00 | 0.00 | 0.00 | 2.09 | 1.39 | 1.84 | 1.00 | 2.32 | 3.36 | 3.04 | 0.54 | 0.01 | 15.59 |
| 1948 | - | 1949 | 0.02 | 0.02 | 0.09 | 0.20 | 1.18 | 4.75 | 2.20 | 3.04 | 5.85 | 0.00 | 0.93 | 0.00 | 18.28 |
| 1949 | - | 1950 | 0.06 | 0.04 | 0.00 | 0.08 | 1.18 | 2.77 | 7.40 | 2.33 | 1.65 | 0.87 | 0.37 | 0.03 | 16.78 |
| 1950 | - | 1951 | 0.00 | 0.00 | 0.00 | 2.72 | 4.96 | 6.01 | 4.41 | 3.00 | 1.32 | 0.89 | 0.65 | 0.04 | 24.00 |
| 1951 | - | 1952 | 0.01 | 0.43 | 0.08 | 0.81 | 3.33 | 7.92 | 10.69 | 2.62 | 4.90 | 1.08 | 0.30 | 0.39 | 32.56 |
| 1952 | - | 1953 | 0.00 | 0.01 | 0.00 | 0.07 | 2.42 | 9.06 | 3.26 | 0.04 | 1.83 | 3.42 | 0.38 | 0.61 | 21.10 |
| 1953 | - | 1954 | 0.00 | 0.07 | 0.00 | 0.34 | 1.88 | 0.82 | 3.11 | 2.42 | 4.56 | 0.82 | 0.11 | 0.14 | 14.27 |
| 1954 | - | 1955 | 0.03 | 0.20 | 0.00 | 0.24 | 2.55 | 5.67 | 4.05 | 1.18 | 0.29 | 1.49 | 0.04 | 0.00 | 15.74 |
| 1955 | - | 1956 | 0.02 | 0.00 | 0.02 | 0.03 | 2.38 | 11.47 | 8.72 | 2.03 | 0.12 | 1.68 | 0.68 | 0.02 | 27.17 |
| 1956 | - | 1957 | 0.00 | 0.01 | 0.33 | 1.14 | 0.04 | 0.37 | 2.84 | 3.58 | 2.39 | 1.09 | 3.19 | 0.06 | 15.04 |
| 1957 | - | 1958 | 0.01 | 0.00 | 1.46 | 3.46 | 1.13 | 3.60 | 4.38 | 7.78 | 8.22 | 5.47 | 0.88 | 0.09 | 36.48 |
| 1958 | - | 1959 | 0.05 | 0.00 | 0.04 | 0.12 | 0.09 | 1.48 | 3.96 | 4.04 | 0.30 | 0.36 | 0.02 | 0.00 | 10.46 |
| 1959 | - | 1960 | 0.00 | 0.02 | 2.06 | 0.00 | 0.00 | 1.71 | 4.04 | 3.57 | 2.06 | 1.16 | 0.85 | 0.00 | 15.47 |
| 1960 | - | 1961 | 0.00 | 0.00 | 0.00 | 0.48 | 3.35 | 2.31 | 2.79 | 0.96 | 2.27 | 0.79 | 0.88 | 0.04 | 13.87 |
| 1961 | - | 1962 | 0.00 | 0.02 | 0.22 | 0.09 | 4.44 | 2.13 | 1.08 | 6.57 | 2.74 | 0.36 | 0.00 | 0.00 | 17.65 |
| 1962 | - | 1963 | 0.00 | 0.07 | 0.22 | 5.51 | 0.60 | 2.81 | 3.35 | 1.92 | 3.87 | 3.35 | 0.45 | 0.00 | 22.15 |
| 1963 | - | 1964 | 0.00 | 0.00 | 0.06 | 1.39 | 3.52 | 0.87 | 3.37 | 0.19 | 2.12 | 0.01 | 0.22 | 0.57 | 12.32 |
| 1964 | - | 1965 | 0.00 | 0.01 | 0.00 | 1.90 | 3.99 | 5.35 | 3.97 | 0.94 | 2.92 | 3.21 | 0.00 | 0.00 | 22.29 |
| 1965 | - | 1966 | 0.02 | 0.49 | 0.00 | 0.01 | 4.79 | 3.51 | 3.27 | 2.72 | 0.80 | 0.36 | 0.19 | 0.17 | 16.33 |
| 1966 | - | 1967 | 0.06 | 0.10 | 0.10 | 0.01 | 4.80 | 3.87 | 9.49 | 0.22 | 4.35 | 4.90 | 0.09 | 1.42 | 29.41 |
| 1967 | - | 1968 | 0.00 | 0.00 | 0.04 | 0.53 | 1.10 | 2.12 | 4.54 | 2.28 | 3.15 | 0.48 | 0.22 | 0.00 | 14.46 |
| 1968 | - | 1969 | 0.00 | 0.03 | 0.06 | 0.62 | 2.67 | 3.91 | 7.74 | 7.26 | 1.01 | 1.74 | 0.00 | 0.05 | 25.09 |
| 1969 | - | 1970 | 0.00 | 0.00 | 0.01 | 2.61 | 0.45 | 6.15 | 7.81 | 1.56 | 1.55 | 0.06 | 0.03 | 0.57 | 20.80 |
| 1970 | - | 1971 | 0.00 | 0.00 | 0.00 | 0.84 | 6.44 | 5.39 | 2.04 | 0.26 | 2.91 | 0.72 | 0.19 | 0.00 | 18.79 |
| 1971 | - | 1972 | 0.01 | 0.01 | 0.22 | 0.11 | 1.92 | 3.93 | 1.32 | 2.13 | 0.23 | 1.07 | 0.00 | 0.11 | 11.06 |
| 1972 | - | 1973 | 0.01 | 0.04 | 0.54 | 5.41 | 6.40 | 3.53 | 9.38 | 6.32 | 2.63 | 0.02 | 0.08 | 0.00 | 34.36 |
| 1973 | - | 1974 | 0.00 | 0.00 | 0.33 | 1.81 | 8.64 | 4.21 | 3.66 | 1.54 | 5.07 | 2.40 | 0.00 | 0.10 | 27.76 |
| 1974 | - | 1975 | 0.73 | 0.00 | 0.00 | 0.92 | 0.40 | 1.83 | 2.85 | 4.30 | 5.87 | 1.30 | 0.02 | 0.04 | 18.26 |
| 1975 | - | 1976 | 0.20 | 0.02 | 0.00 | 2.75 | 0.43 | 0.50 | 0.31 | 1.96 | 1.04 | 0.70 | 0.01 | 0.03 | 7.95 |
| 1976 | - | 1977 | 0.00 | 0.78 | 0.51 | 0.38 | 1.18 | 2.53 | 1.85 | 0.90 | 2.31 | 0.05 | 0.57 | 0.00 | 11.06 |
| 1977 | - | 1978 | 0.00 | 0.03 | 0.96 | 0.17 | 2.22 | 3.30 | 5.94 | 4.14 | 5.90 | 4.21 | 0.00 | 0.00 | 26.87 |
| 1978 | - | 1979 | 0.00 | 0.00 | 0.20 | 0.00 | 1.67 | 0.89 | 7.43 | 5.58 | 1.95 | 0.87 | 0.15 | 0.00 | 18.74 |
| 1979 | - | 1980 | 0.07 | 0.00 | 0.01 | 1.94 | 3.67 | 4.12 | 4.63 | 6.78 | 1.73 | 1.29 | 0.23 | 0.02 | 24.49 |
| 1980 | - | 1981 | 0.04 | 0.00 | 0.00 | 0.00 | 0.28 | 3.09 | 4.97 | 2.09 | 4.63 | 0.17 | 0.12 | 0.00 | 15.39 |
| 1981 | - | 1982 | 0.00 | 0.00 | 0.22 | 2.10 | 5.06 | 5.42 | 9.58 | 3.82 | 7.81 | 3.03 | 0.00 | 0.06 | 37.10 |
| 1982 | - | 1983 | 0.00 | 0.00 | 0.72 | 2.79 | 5.62 | 2.22 | 5.77 | 8.06 | 9.04 | 3.48 | 0.47 | 0.00 | 38.17 |
| 1983 | - | 1984 | 0.01 | 0.06 | 0.68 | 0.26 | 8.20 | 7.72 | 0.50 | 2.34 | 1.32 | 0.92 | 0.16 | 0.30 | 22.47 |
| 1984 | - | 1985 | 0.00 | 0.24 | 0.10 | 2.94 | 7.45 | 2.10 | 0.59 | 1.98 | 3.94 | 0.27 | 0.09 | 0.31 | 20.01 |
| 1985 | - | 1986 | 0.00 | 0.00 | 0.38 | 0.80 | 4.83 | 2.47 | 4.77 | 8.29 | 6.25 | 0.76 | 0.13 | 0.00 | 28.68 |
| 1986 | - | 1987 | 0.03 | 0.01 | 1.32 | 0.11 | 0.20 | 1.64 | 4.26 | 3.77 | 2.31 | 0.14 | 0.06 | 0.01 | 13.86 |
| 1987 | - | 1988 | 0.00 | 0.00 | 0.00 | 1.07 | 3.09 | 5.09 | 4.93 | 0.40 | 0.07 | 1.73 | 0.66 | 0.70 | 17.74 |
| 1988 | - | 1989 | 0.00 | 0.00 | 0.00 | 0.64 | 3.70 | 4.23 | 1.26 | 1.49 | 5.28 | 0.70 | 0.06 | 0.07 | 17.43 |
| 1989 | - | 1990 | 0.00 | 0.05 | 0.98 | 1.18 | 1.33 | 0.00 | 4.02 | 2.45 | 1.34 | 0.58 | 2.38 | 0.01 | 14.32 |
| 1990 | - | 1991 | 0.00 | 0.04 | 0.12 | 0.20 | 0.52 | 1.94 | 0.60 | 3.29 | 5.89 | 1.07 | 0.36 | 0.05 | 14.08 |
| 1991 | - | 1992 | 0.00 | 0.42 | 0.00 | 2.35 | 0.50 | 2.32 | 2.09 | 6.34 | 4.41 | 0.38 | 0.00 | 0.39 | 19.20 |
| 1992 | - | 1993 | 0.00 | 0.02 | 0.00 | 1.16 | 0.40 | 6.03 | 9.82 | 4.48 | 2.90 | 0.71 | 0.87 | 0.27 | 26.66 |
| 1993 | - | 1994 | 0.00 | 0.00 | 0.00 | 0.33 | 2.16 | 2.25 | 2.77 | 4.87 | 0.35 | 1.12 | 1.31 | 0.06 | 15.22 |
| 1994 | - | 1995 | 0.00 | 0.00 | 0.22 | 0.33 | 10.49 | 2.69 | 8.97 | 0.24 | 7.88 | 1.61 | 0.97 | 0.62 | 34.02 |
| 1995 | - | 1996 | 0.00 | 0.00 | 0.00 | 0.06 | 0.08 | 8.13 | 6.71 | 5.28 | 1.28 | 1.56 | 1.79 | 0.00 | 24.89 |
| 1996 | - | 1997 | 0.00 | 0.00 | 0.04 | 1.04 | 4.73 | 7.63 | 7.54 | 0.32 | 0.58 | 0.29 | 0.16 | 0.30 | 22.63 |
| 1997 | - | 1998 | 0.00 | 0.73 | 0.04 | 1.00 | 6.97 | 2.77 | 12.08 | 14.89 | 2.54 | 2.13 | 3.92 | 0.12 | 47.19 |
| 1998 | - | 1999 | 0.01 | 0.01 | 0.09 | 0.91 | 4.02 | 1.42 | 4.41 | 7.35 | 2.34 | 2.58 | 0.23 | 0.12 | 23.49 |
| 1999 | - | 2000 | 0.00 | 0.10 | 0.59 | 0.65 | 2.32 | 0.62 | 6.38 | 8.97 | 2.04 | 1.66 | 1.40 | 0.16 | 24.89 |
| 2000 | - | 2001 | 0.02 | 0.02 | 0.21 | 2.36 | 0.85 | 0.90 | 3.76 | 7.73 | 1.58 | 1.89 | 0.00 | 0.15 | 19.47 |
| 2001 | - | 2002 | 0.01 | 0.05 | 0.18 | 0.50 | 5.18 | 10.75 | 2.13 | 2.59 | 2.27 | 0.52 | 0.84 | 0.01 | 25.03 |
| 2002 | - | 2003 | 0.00 | 0.03 | 0.01 | 0.01 | 2.00 | 12.03 | 1.75 | 1.80 | 1.71 | 3.60 | 0.93 | 0.00 | 23.87 |
| 2003 | - | 2004 | 0.00 | 0.06 | 0.00 | 0.04 | 2.22 | 7.69 | 3.40 | 5.67 | 1.16 | 0.18 | 0.12 | 0.00 | 20.54 |
| 2004 | - | 2005 | 0.00 | 0.05 | 0.04 | 2.63 | 2.07 | 7.98 | 4.82 | 5.19 | 4.67 | 2.32 | 1.32 | 0.77 | 31.86 |
| 2005 | - | 2006 | 0.02 | 0.01 | 0.00 | 0.51 | 2.21 | 11.19 | 3.52 | 2.81 | 8.74 | 5.02 | 0.40 | 0.00 | 34.43 |
| 2006 | - | 2007 | 0.00 | 0.00 | 0.00 | 0.63 | 3.05 | 5.31 | 0.72 | 4.79 | 0.52 | 1.44 | 0.43 | 0.00 | 16.89 |
| 2007 | - | 2008 | 0.02 | 0.00 | 0.09 | 2.01 | 0.96 | 3.16 | 8.86 | 1.87 | 0.33 | 0.14 | 0.06 | 0.00 | 17.50 |
Copyright © 2008, Golden Gate Weather Services.
Reproduction in full or part is prohibited without permission.