eLivermore.com - By Bill Nale

 

Livermore Precipitation

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This table lists the official rainfall in Livermore for each month since 1870.
Each line lists a calendar year.  A rainfall year is July through June, so the totals are for the July through December of the previous year and the January through June of the listed year.
Shaded cells illustrate where the July to June totals are taken from.

1870s 1880s 1890s 1900s 1910s 1920s 1930s 1940s 1950s 1960s 1970s 1980s 1990s 2000s 2010s averages
 

Year

Jan Feb Mar April May June July Aug Sept Oct Nov Dec July-June
total
% of
Normal
1870 N/A N/A 0.00 0.98 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.06 N/A N/A
1871 1.42 1.93 0.36 1.25 0.02 0.00 0.00 0.00 0.00 Trace 1.13 11.69 6.04 42%
1872 2.15 2.69 0.65 0.43 0.00 0.32 0.00 Trace 0.00 0.00 1.22 3.87 19.06 131%
1873 1.04 3.73 0.68 0.15 0.00 0.00 0.00 0.00 0.00 0.42 0.70 4.48 10.69 74%
1874 2.96 1.03 1.34 0.95 0.32 0.06 0.00 0.00 0.30 1.67 2.03 0.20 12.26 84%
1875 5.40 1.20 0.35 0.00 0.00 0.52 0.00 0.00 0.00 0.00 7.23 1.62 11.67 80%
1876 2.68 3.01 4.39 0.73 0.33 0.00 0.00 0.00 0.00 1.26 0.10 0.00 19.99 138%
1877 2.47 0.56 1.10 0.13 0.39 0.00 0.00 0.00 0.00 1.27 1.29 0.73 6.01 41%
1878 4.61 6.73 2.01 0.96 0.06 0.00 0.00 0.00 0.00 0.24 0.31 0.17 17.66 122%
1879 2.83 1.78 2.49 0.75 1.34 0.20 0.00 0.00 0.00 0.83 1.06 1.94 10.11 70%
Year Jan Feb Mar April May June July Aug Sept Oct Nov Dec July-June
total
% of
Normal
1880 1.48 1.80 1.45 6.51 0.91 0.00 0.00 0.00 0.00 0.00 0.65 7.75 15.98 110%
1881 2.40 2.62 1.06 1.93 0.00 0.04 0.00 0.00 Trace 0.08 0.78 1.97 16.45 113%
1882 1.07 1.72 4.85 1.03 0.20 0.00 0.00 0.00 0.34 1.52 1.48 0.38 11.70 81%
1883 2.38 0.63 3.45 1.50 2.18 0.00 0.00 0.00 0.35 1.52 0.57 0.44 13.86 95%
1884 4.03 5.29 5.92 2.70 0.20 1.73 0.00 0.10 0.30 1.14 0.02 6.22 22.75 157%
1885 1.72 0.36 0.78 1.29 0.08 0.00 0.00 0.00 0.05 0.00 6.20 1.94 12.01 83%
1886 4.20 0.24 1.18 2.36 0.00 0.00 0.40 0.00 0.00 0.30 0.70 0.81 16.17 111%
1887 0.90 6.23 0.23 1.60 0.00 0.00 0.00 0.00 0.80 0.00 0.61 3.51 11.17 77%
1888 3.20 0.94 2.51 0.60 0.66 0.30 0.00 0.00 0.76 0.00 3.80 2.21 13.13 90%
1889 0.46 0.67 5.15 0.51 2.25 Trace 0.00 0.00 0.00 3.94 2.95 8.63 15.81 109%
Year Jan Feb Mar April May June July Aug Sept Oct Nov Dec July-June
total
% of
Normal
1890 5.24 3.71 2.85 0.86 0.48 0.00 0.00 0.00 1.20 0.00 0.00 3.31 28.66 197%
1891 0.54 4.18 2.50 1.88 0.40 0.15 0.00 0.00 1.32 0.05 0.38 4.42 14.16 97%
1892 0.84 1.08 3.96 0.90 1.30 Trace 0.00 0.00 0.45 1.65 4.97 7.27 14.25 98%
1893 3.02 3.12 3.68 1.40 0.73 0.00 0.00 0.00 0.00 0.00 1.59 2.14 26.29 181%
1894 4.97 5.36 0.81 0.58 1.19 0.52 0.00 0.00 1.45 1.15 0.50 8.56 17.16 118%
1895 6.83 1.56 1.81 1.26 1.25 0.00 0.00 0.00 0.22 0.83 1.69 1.28 24.37 168%
1896 7.16 0.17 1.50 3.11 0.39 0.00 0.00 0.73 0.55 1.48 3.02 1.71 16.35 113%
1897 1.89 3.54 4.04 0.24 0.00 0.08 0.00 0.00 0.06 1.43 0.52 1.31 17.28 119%
1898 1.47 1.78 0.78 0.45 0.96 0.35 0.00 0.00 0.95 0.74 0.25 1.61 9.11 63%
1899 2.60 0.08 4.81 0.35 0.15 0.22 0.00 0.00 0.00 2.52 2.49 2.07 11.76 81%
Year Jan Feb Mar April May June July Aug Sept Oct Nov Dec July-June
total
% of
Normal
1900 2.44 0.34 1.11 0.86 1.10 0.00 0.00 0.00 0.18 1.93 4.48 1.06 12.93 89%
1901 2.69 5.15 0.95 1.80 1.58 0.00 0.00 0.00 0.68 0.70 1.99 0.74 19.82 136%
1902 0.99 3.62 2.69 0.75 0.32 0.00 Trace 0.13 0.00 0.47 2.07 0.87 12.48 86%
1903 3.19 0.94 5.65 0.81 0.12 0.00 0.00 0.00 0.00 Trace 2.16 0.59 14.25 98%
1904 0.89 4.18 3.71 1.56 0.24 Trace Trace 0.32 1.62 1.00 0.78 1.42 13.33 92%
1905 2.43 2.30 3.12 0.93 1.89 0.00 0.00 0.00 Trace 0.00 1.01 1.18 15.81 109%
1906 5.56 2.67 5.18 0.95 1.61 0.56 Trace 0.00 0.20 0.03 1.34 6.45 18.72 129%
1907 3.22 1.86 8.85 0.47 0.16 0.56 0.00 0.00 Trace 0.81 0.04 3.90 23.14 159%
1908 2.27 1.35 0.73 0.28 0.53 Trace Trace 0.00 0.03 0.27 0.60 1.55 9.91 68%
1909 10.18 3.96 1.94 0.00 Trace 0.05 0.00 0.00 0.62 0.75 1.68 5.77 18.58 128%
Year Jan Feb Mar April May June July Aug Sept Oct Nov Dec July-June
total
% of
Normal
1910 2.50 1.14 1.90 0.10 Trace 0.04 Trace 0.00 0.10 0.29 0.10 1.32 14.50 100%
1911 12.60 1.42 4.45 0.69 0.24 0.07 Trace 0.00 Trace 0.43 0.29 1.71 21.28 146%
1912 2.66 0.20 1.99 0.73 0.94 0.65 Trace 0.00 0.48 0.71 0.44 0.81 9.60 66%
1913 2.63 0.38 1.65 0.54 0.58 0.01 0.27 0.02 Trace 0.00 2.47 3.17 8.23 57%
1914 7.10 2.11 0.66 0.76 0.45 0.19 Trace 0.00 0.00 0.45 0.33 3.96 17.20 118%
1915 4.16 5.79 1.50 0.66 2.66 0.00 0.00 0.00 Trace 0.00 0.76 4.41 19.51 134%
1916 11.35 2.17 1.47 0.21 0.05 Trace 0.00 Trace 0.44 0.50 0.68 3.28 20.42 141%
1917 1.06 3.37 1.08 0.15 0.02 0.00 Trace 0.00 0.04 0.00 0.43 0.66 10.58 73%
1918 0.59 3.08 3.32 0.61 0.00 Trace 0.00 Trace 5.72 0.39 2.38 1.51 8.73 60%
1919 1.03 4.58 2.33 0.05 Trace 0.00 Trace Trace 0.48 0.15 0.33 2.21 17.99 124%
Year Jan Feb Mar April May June July Aug Sept Oct Nov Dec July-June
total
% of
Normal
1920 0.22 0.71 3.52 1.07 0.00 0.13 0.00 0.00 Trace 2.03 1.43 3.81 8.82 61%
1921 3.38 0.59 0.83 0.16 1.05 0.00 0.00 0.00 0.05 0.15 1.17 3.38 13.28 91%
1922 1.51 5.46 1.83 0.23 0.27 Trace Trace Trace 0.00 0.54 2.86 5.43 14.05 97%
1923 1.80 0.65 0.15 2.15 Trace 0.02 0.00 Trace 0.82 0.25 0.76 0.87 13.60 93%
1924 1.40 0.93 0.65 0.28 0.07 0.00 0.00 Trace Trace 1.30 1.53 2.63 6.03 41%
1925 1.02 3.74 1.14 1.75 1.41 0.04 0.00 0.00 Trace Trace 0.97 1.14 14.56 100%
1926 2.44 3.58 0.16 3.11 0.11 Trace 0.00 Trace 0.00 0.93 2.83 0.78 11.51 79%
1927 1.74 3.49 1.54 1.73 0.10 0.18 0.00 Trace 0.03 1.71 1.43 2.00 13.32 92%
1928 1.46 0.89 3.43 1.43 0.45 0.00 0.00 0.00 0.00 Trace 2.57 2.76 12.83 88%
1929 1.26 0.87 1.07 0.70 0.03 0.83 0.00 0.00 0.00 0.01 0.00 1.81 10.09 69%
Year Jan Feb Mar April May June July Aug Sept Oct Nov Dec July-June
total
% of
Normal
1930 3.64 1.91 1.88 1.14 0.43 0.00 0.00 Trace 0.20 0.58 1.15 0.26 10.82 74%
1931 3.45 1.67 0.57 0.36 0.93 0.11 Trace 0.00 Trace 0.27 1.89 5.63 9.28 64%
1932 1.29 3.15 0.19 0.41 0.37 Trace 0.00 0.00 0.00 0.00 0.51 2.03 13.20 91%
1933 4.51 0.44 2.09 0.13 0.70 0.03 0.00 0.00 0.01 0.75 0.00 3.69 10.44 72%
1934 1.29 2.86 0.00 0.13 0.60 0.53 0.00 Trace 0.27 0.62 2.71 2.32 9.86 68%
1935 3.53 0.52 3.16 3.28 0.00 0.00 Trace 0.04 0.00 0.79 0.21 1.53 16.41 113%
1936 3.28 6.76 0.71 0.63 0.46 0.10 Trace Trace 0.00 0.40 0.02 3.26 14.51 100%
1937 3.38 4.13 5.07 0.68 0.17 0.20 Trace 0.00 0.00 0.55 2.46 4.57 17.31 119%
1938 2.40 6.14 4.09 0.90 0.02 0.00 0.00 0.00 Trace 1.00 1.08 0.52 21.13 145%
1939 2.40 1.57 2.18 0.53 0.18 Trace 0.00 0.00 0.16 1.23 0.15 0.78 9.46 65%
Year Jan Feb Mar April May June July Aug Sept Oct Nov Dec July-June
total
% of
Normal
1940 8.13 4.54 2.60 0.35 0.14 0.00 0.00 0.00 0.25 0.50 0.43 4.63 18.08 124%
1941 3.24 4.19 2.07 2.76 0.23 0.00 0.00 0.03 0.00 0.72 0.89 5.34 18.30 126%
1942 3.89 1.68 1.42 3.10 1.00 0.00 0.00 0.00 0.09 1.08 3.05 1.73 18.07 124%
1943 4.48 1.68 2.39 1.14 Trace 0.06 0.00 0.00 0.00 0.30 0.53 1.23 15.70 108%
1944 2.36 4.89 1.01 0.94 0.73 Trace 0.00 0.00 0.00 0.77 3.41 2.03 11.99 83%
1945 0.87 3.68 3.19 0.20 0.17 Trace 0.00 0.02 0.00 1.07 2.07 2.98 14.32 99%
1946 0.76 1.23 1.69 0.02 0.61 0.00 0.24 0.00 0.02 0.02 2.93 2.07 10.45 72%
1947 0.69 1.45 2.34 0.53 0.17 0.36 0.00 0.00 Trace 1.84 0.85 0.51 10.82 74%
1948 0.20 1.11 2.79 2.50 1.03 0.16 0.03 0.00 Trace 0.46 0.34 2.71 10.99 76%
1949 1.39 2.47 3.38 0.02 0.34 0.00 0.03 0.16 0.05 0.08 1.20 1.21 11.14 77%
Year Jan Feb Mar April May June July Aug Sept Oct Nov Dec July-June
total
% of
Normal
1950 4.65 1.54 1.44 0.85 0.59 0.01 0.00 0.00 0.08 1.84 5.95 4.95 11.81 81%
1951 2.23 1.81 1.82 0.55 0.35 0.06 0.00 0.00 Trace 1.04 3.01 6.07 19.64 135%
1952 7.60 1.40 2.36 2.20 0.16 0.04 0.00 0.00 0.10 0.01 2.11 6.33 23.88 164%
1953 2.07 0.05 1.12 1.42 0.61 0.59 0.00 0.15 0.00 0.21 1.33 0.64 14.41 99%
1954 2.19 2.27 3.00 0.73 0.16 0.27 0.00 0.00 0.04 Trace 1.68 3.33 10.95 75%
1955 2.45 1.69 0.38 1.28 0.65 0.00 Trace 0.01 0.01 0.01 1.31 10.15 11.50 79%
1956 5.49 1.15 0.14 1.92 0.63 0.00 0.00 0.00 0.63 0.79 0.03 0.48 20.82 144%
1957 2.65 2.23 1.30 1.14 2.65 0.04 0.00 0.00 0.05 1.06 0.37 1.62 11.94 82%
1958 3.16 5.37 4.44 3.74 0.66 0.41 Trace Trace 0.02 0.09 0.14 0.86 20.88 144%
1959 2.45 3.59 0.29 0.35 Trace 0.00 0.00 0.07 1.89 0.00 Trace 0.75 7.79 54%
Year Jan Feb Mar April May June July Aug Sept Oct Nov Dec July-June
total
% of
Normal
1960 2.98 4.12 0.60 0.48 0.42 0.00 0.02 0.00 0.01 0.05 2.92 1.25 11.31 78%
1961 2.08 1.04 1.92 1.03 0.69 0.19 Trace 0.13 0.16 0.15 2.24 0.82 11.20 77%
1962 0.73 5.61 1.82 0.22 Trace 0.00 0.00 Trace 0.00 3.64 0.28 1.55 11.88 82%
1963 1.40 4.50 2.60 3.47 0.70 Trace 0.00 Trace 0.33 0.93 3.18 0.19 18.14 125%
1964 2.37 0.08 1.57 0.21 0.48 0.32 0.00 0.12 0.04 0.85 2.44 4.91 9.66 66%
1965 2.11 0.59 1.73 1.53 0.00 0.00 Trace 0.21 Trace 0.03 4.22 3.23 14.32 99%
1966 1.05 1.17 0.17 0.33 0.10 0.12 0.17 0.00 0.11 0.00 3.43 2.35 10.63 73%
1967 6.14 0.29 4.15 4.65 0.19 0.48 0.00 Trace 0.02 0.24 0.88 1.62 21.96 151%
1968 3.93 0.90 2.40 0.43 0.15 0.00 0.00 Trace Trace 0.43 2.48 3.04 10.57 73%
1969 6.28 4.76 0.55 1.24 0.08 Trace 0.00 0.00 0.00 1.10 0.49 2.34 18.86 130%
Year Jan Feb Mar April May June July Aug Sept Oct Nov Dec July-June
total
% of
Normal
1970 5.38 1.18 1.42 0.40 0.07 0.32 0.00 0.00 0.00 0.41 5.24 5.27 12.70 87%
1971 1.19 0.33 1.75 1.37 0.54 Trace 0.00 Trace 0.13 0.04 0.46 3.27 16.10 111%
1972 0.90 0.79 0.14 0.64 0.00 0.04 0.00 0.00 0.58 2.98 4.91 2.22 6.41 44%
1973 5.50 3.38 2.63 0.29 0.03 Trace 0.00 0.00 0.08 2.08 3.71 3.80 22.52 155%
1974 1.50 0.71 2.69 1.62 0.00 0.00 0.00 0.00 0.00 0.50 0.66 1.98 16.19 111%
1975 0.84 3.65 5.24 1.42 Trace 0.06 0.10 0.35 0.00 1.27 0.08 0.21 14.35 99%
1976 0.30 1.46 0.48 0.39 0.00 0.18 0.00 0.91 0.95 0.50 0.50 0.73 4.82 33%
1977 1.15 0.83 0.82 0.16 1.01 0.00 0.10 0.00 0.22 0.13 1.34 3.07 7.56 52%
1978 5.44 2.95 3.07 2.49 0.01 Trace 0.00 0.00 0.04 0.00 2.16 0.58 18.82 130%
1979 4.52 3.19 1.86 0.88 0.34 0.00 0.06 Trace 0.00 1.51 1.13 2.66 13.57 93%
Year Jan Feb Mar April May June July Aug Sept Oct Nov Dec July-June
total
% of
Normal
1980 4.16 4.24 1.36 1.32 0.48 0.00 0.70 0.00 0.00 0.04 0.28 1.18 16.92 116%
1981 3.97 1.11 2.94 0.61 0.11 0.00 0.00 0.00 0.06 2.07 3.44 2.57 10.94 75%
1982 5.29 2.16 5.58 1.50 0.00 0.28 0.00 0.01 1.48 2.24 3.72 2.80 22.95 158%
1983 6.28 5.56 6.14 3.51 0.21 0.00 0.00 0.50 1.02 0.27 5.44 3.44 31.95 220%
1984 0.33 1.87 1.00 0.53 0.01 0.03 Trace 0.00 0.04 1.25 4.71 1.51 14.44 99%
1985 0.48 1.25 2.62 0.32 0.07 0.22 Trace 0.03 0.13 0.89 2.69 1.97 12.47 86%
1986 2.04 7.11 4.09 0.40 0.14 0.00 0.01 0.00 0.45 0.04 0.08 0.92 19.49 134%
1987 1.83 3.47 2.30 0.16 0.09 0.00 0.00 0.00 0.00 0.87 1.40 2.30 9.35 64%
1988 1.78 0.38 0.26 1.15 0.45 0.10 0.00 Trace 0.00 0.11 1.92 2.03 8.69 60%
1989 0.81 0.95 2.94 0.88 0.08 0.10 0.00 Trace 1.33 1.13 1.02 0.10 9.82 68%
Year Jan Feb Mar April May June July Aug Sept Oct Nov Dec July-June
total
% of
Normal
1990 1.54 2.46 0.87 0.37 1.78 Trace 0.02 Trace 0.06 0.08 0.39 1.45 10.60 73%
1991 0.31 2.20 5.87 0.34 0.35 0.08 0.00 0.21 0.04 1.65 0.31 1.19 11.15 77%
1992 1.39 4.61 1.97 0.43 0.00 0.09 0.00 0.00 0.00 0.90 0.15 4.99 11.89 82%
1993 6.41 4.53 2.91 0.63 0.51 0.30 0.00 0.00 Trace 0.57 2.00 1.81 21.33 147%
1994 0.94 3.33 0.15 1.20 1.78 0.04 Trace 0.00 Trace 0.58 3.08 1.36 11.82 81%
1995 6.64 0.33 6.66 1.02 0.92 0.70 Trace 0.00 0.00 0.00 0.01 5.37 21.29 147%
1996 5.17 4.10 2.34 1.91 1.05 0.00 0.00 0.00 0.00 1.08 2.55 4.43 19.95 137%
1997 5.81 0.15 0.06 0.15 0.29 0.17 0.00 0.42 0.00 0.28 4.23 1.95 14.69 101%
1998 5.47 7.30 2.37 1.37 2.00 0.13 0.00 0.00 0.18 0.54 2.48 0.73 25.52 176%
1999 3.23 3.33 1.67 0.99 0.08 0.01 0.00 0.03 0.04 0.15 1.26 0.25 13.24 91%
Year Jan Feb Mar April May June July Aug Sept Oct Nov Dec July-June
total
% of
Normal
2000 4.61 4.87 1.25 0.59 0.69 0.18 0.00 0.01 0.24 1.97 0.49 0.45 13.92 96%
2001 1.92 2.89 1.22 1.80 0.00 0.12 0.00 0.00 0.09 0.37 1.92 5.09 11.11 76%
2002 0.72 0.62 1.65 0.16 0.68 0.00 0.00 0.00 0.00 0.00 2.65 7.01 11.30 78%
2003 0.66 1.31 1.07 3.09 0.95 0.00 Trace 0.29 Trace 0.02 2.02 3.57 16.74 115%
2004 2.19 4.01 0.39 0.18 0.11 0.00 0.00 0.00 0.58 2.77 0.89 3.01 12.78 88%
2005 2.81 3.55 3.41 1.53 1.03 0.05 Trace 0.00 0.25 0.17 0.65 5.40 19.63 135%
2006 2.22 1.32 .4.79 2.60 0.34 Trace 0.00 0.00 0.00 0.20 1.68 2.25 17.74 122%
2007 0.52 3.92 0.33 0.44 0.11 0.00 0.00 0.00 0.21 1.12 0.71 2.05 9.45 65%
2008 4.79 1.89 0.10 0.02 0.00 0.00 0.00 0.00 0.00 0.33 1.40 1.56 10.89 75%
2009 1.34 3.31 2.29 0.23 0.41 0.11 Trace 0.00 0.31 2.79 0.21 0.02 10.98 76%
Year Jan Feb Mar April May June July Aug Sept Oct Nov Dec July-June
total
% of
Normal
2010 3.53 2.36 1.57 2.10 0.24 0.00 0 0 Trace 1.00 2.02 3.87 15.13 104%
2011 0.78 2.69 4.10 0.22 0.46 0.41 0.00 0.00 Trace 1.06 0.93 0.04 16.21 112%
2012 1.52 0.52 2.57 2.01 0.02 0.12 0 0 0.01 0.27 3.40 4.22 8.79 61%
2013 1.07 0.47 0.33 0.44 0.14 0.04 0 0 0.33 0 1.30 0.38 10.39 72%
2014 0.08 2.58 1.25 .98 0 0.01 0 0 0.22 0.17 1.19 8.23 6.91 48%
2015 0.00 1.62 0.25 0.78 0.50 0.33 0 0.01 0.05 0.02 2.49 2.55 13.29 92%
2016 3.95 0.69 3.30 2.14 0.21 0 0 0 0 3.34 1.37 2.62 15.41 107%
2017 8.10 5.99 2.09 1.93 0.03 0.02             25.57 177%
                             
Averages 2.93 2.48 2.19 1.08 0.47 0.12 0.02 0.04 0.24 0.71 1.62 2.62 14.49 100%
Maxima 12.60 7.30 8.85 6.51 2.66 1.73 0.70 0.91 5.72 3.94 7.23 11.69 31.95 220%
Yr of max 1911 1988 1907 1880 1915 1884 1980 1976 1918 1889 1875 1871 1983 1983
Minima 0.08 0.05 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 4.82 33%
Yr of min 2014 1953 1870 1875
1909
many many many many many many many 1876 1976 1976