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Monthly Precipitation (Rainfall)
Downtown Los Angeles

1877 to 2017

Photo courtesy of Kaique Rocha & Pexels.com.

Quantity is measured in inches

Years Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Season
Average Since 1877 0.02 0.05 0.23 0.52 1.26 2.49 3.10 3.22 2.50 0.99 0.31 0.06 14.75
2017-2018 Trace Trace --- --- --- --- --- --- --- --- --- --- ---
2016-2017 0.00 0.00 0.00 0.52 0.88 4.55 8.38 4.17 0.09 0.08 0.32 0.01 19.00
2015-2016 0.38 0.00 2.39 0.45 0.01 0.57 3.17 0.79 1.60 0.24 0.05 0.00 9.65
2014-2015 0.00 0.04 0.01 0.25 0.48 3.88 1.09 0.83 0.87 0.13 0.93 0.01 8.52
2013-2014 0.09 0.00 0.00 0.06 0.62 0.20 0.00 3.58 1.18 0.35 0.00 0.00 6.08
2012-2013 0.01 0.00 0.00 0.02 1.03 2.16 1.18 0.20 0.54 0.00 0.71 0.00 5.85
2011-2012 0.00 0.00 0.00 1.17 1.58 1.01 1.30 0.16 1.75 1.71 0.01 0.00 8.69
Year Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Season
2010-2011 0.00 0.00 0.00 0.94 0.53 10.23 0.79 3.29 3.96 0.00 0.45 0.01 20.20
2009-2010 0.00 0.00 0.00 2.07 0.01 2.89 4.94 4.27 0.48 1.65 0.05 0.00 16.36
2008-2009 0.00 0.00 0.00 0.02 1.85 2.79 0.34 3.57 0.33 0.03 0.00 0.15 9.08
2007-2008 0.00 0.00 0.52 0.95 0.56 1.73 7.97 1.64 0.01 0.04 0.11 0.00 13.53
2006-2007 0.00 0.00 0.00 0.34 0.16 0.81 0.19 0.92 0.05 0.74 0.00 0.00 3.21
2005-2006 0.00 0.00 0.29 1.35 0.22 1.03 2.06 2.37 2.87 2.15 0.85 0.00 13.19
2004-2005 0.00 0.00 0.00 4.56 0.20 8.77 9.32 11.02 2.14 1.05 0.19 0.00 37.25
2003-2004 0.00 0.00 0.00 0.53 0.79 1.35 0.47 4.89 1.17 0.04 0.00 0.00 9.24
2002-2003 0.00 0.00 0.00 0.05 2.43 3.31 0.00 4.64 4.32 0.71 1.02 0.01 16.49
2001-2002 0.00 0.00 0.00 0.06 1.42 1.38 0.80 0.29 0.32 0.09 0.05 0.01 4.42
Year Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Season
2000-2001 0.00 0.07 0.15 0.98 0.00 0.00 5.59 8.87 1.17 1.11 0.00 0.00 17.94
1999-2000 0.00 0.00 0.00 0.00 0.44 0.40 0.88 5.54 2.82 1.49 0.00 0.00 11.57
1998-1999 0.00 0.00 0.01 0.00 1.32 0.54 1.85 0.56 1.24 2.57 0.02 0.98 9.09
1997-1998 0.00 0.00 0.45 0.00 2.06 2.52 4.12 13.68 4.06 0.97 3.10 0.05 31.01
1996-1997 0.00 0.00 0.00 1.06 1.59 4.09 5.58 0.08 0.00 0.00 0.00 0.00 12.40
1995-1996 0.02 0.00 0.00 0.00 0.09 1.34 3.16 4.94 2.16 0.71 0.04 0.00 12.46
1994-1995 0.00 0.00 0.00 0.19 0.61 1.35 12.56 1.30 6.98 0.58 0.18 0.60 24.35
1993-1994 0.00 0.00 0.00 0.16 0.66 0.78 0.33 3.21 1.86 0.83 0.28 0.00 8.11
1992-1993 0.08 0.00 0.00 0.70 0.00 4.68 11.77 6.61 2.74 0.00 0.02 0.76 27.36
1991-1992 0.13 0.00 0.09 0.37 0.00 3.22 1.74 7.96 7.12 0.33 0.04 0.00 21.00
Year Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Season
1990-1991 0.00 0.02 0.00 0.00 0.19 0.00 1.17 4.13 5.92 0.03 0.00 0.01 11.47
1989-1990 0.00 0.00 0.35 0.43 0.29 0.00 1.24 3.12 0.17 0.58 1.17 0.00 7.35
1988-1989 0.00 0.05 0.04 0.00 0.70 3.80 0.73 1.90 0.81 0.00 0.05 0.00 8.08
1987-1988 0.01 0.00 0.09 2.37 1.13 1.84 1.65 1.72 0.26 3.41 0.00 0.00 12.48
1986-1987 0.18 0.00 1.97 0.53 0.94 0.37 1.39 1.22 0.95 0.06 0.00 0.05 7.66
1985-1986 0.00 0.00 0.19 0.42 2.91 0.33 2.19 6.10 5.27 0.45 0.00 0.00 17.86
1984-1985 0.00 0.40 0.23 0.15 1.44 5.53 0.71 2.84 1.29 0.00 0.23 0.00 12.82
1983-1984 0.00 0.79 1.99 0.75 2.52 3.23 0.17 0.00 0.28 0.69 0.00 0.01 10.43
1982-1983 0.00 0.00 0.84 0.19 4.41 1.05 6.49 4.37 8.37 5.16 0.36 0.01 31.25
1981-1982 0.00 0.00 0.02 0.49 1.80 0.48 2.17 0.70 3.54 1.39 0.12 0.00 10.71
Year Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Season
1980-1981 0.00 0.00 0.00 0.00 0.00 0.85 2.02 1.48 4.10 0.53 0.00 0.00 8.98
1979-1980 0.00 0.01 0.00 0.77 0.21 0.51 7.50 12.75 4.79 0.31 0.13 0.00 26.98
1978-1979 0.00 0.00 0.39 0.05 2.28 1.45 6.59 3.06 5.85 0.00 0.00 0.00 19.67
1977-1978 0.00 2.26 0.00 0.00 0.08 4.70 7.70 8.91 8.02 1.77 0.00 0.00 33.44
1976-1977 0.00 0.08 2.82 0.24 0.49 0.75 2.84 0.17 1.89 0.00 3.03 0.00 12.31
1975-1976 0.00 0.00 0.00 0.27 0.00 0.32 0.00 3.71 1.81 0.84 0.05 0.22 7.22
1974-1975 0.00 0.00 0.00 0.58 0.07 3.59 0.12 3.54 4.83 1.53 0.09 0.00 14.35
1973-1974 0.00 0.00 0.00 0.12 1.68 0.67 8.35 0.14 3.78 0.10 0.08 0.00 14.92
1972-1973 0.00 0.35 0.02 0.29 3.26 2.36 4.39 7.89 2.70 0.00 0.00 0.00 21.26
1971-1972 0.00 0.00 0.00 0.04 0.30 6.57 0.00 0.13 0.00 0.03 0.03 0.07 7.17
1970-1971 0.00 0.00 0.00 0.00 5.05 4.92 0.43 0.67 0.53 0.50 0.22 0.00 12.32
1969-1970 0.03 0.00 0.00 0.00 1.11 0.06 1.59 2.58 2.36 0.00 0.00 0.04 7.77
1968-1969 0.01 0.11 0.03 0.55 0.37 1.28 14.94 8.03 1.49 0.63 0.03 0.00 27.47
1967-1968 0.00 0.00 1.02 0.00 8.67 1.66 0.90 0.49 3.34 0.49 0.00 0.01 16.58
1966-1967 0.00 0.00 0.30 0.06 4.07 5.26 5.93 0.11 2.50 3.76 0.01 0.00 22.00
1965-1966 0.00 0.01 1.80 0.00 9.68 5.73 0.96 1.51 0.53 0.00 0.22 0.00 20.44
1964-1965 0.00 0.00 0.00 0.33 1.72 2.05 0.84 0.23 2.49 6.02 0.00 0.01 13.69
1963-1964 0.00 0.02 1.31 0.57 2.15 0.00 1.43 0.00 1.79 0.33 0.01 0.32 7.93
1962-1963 0.00 0.00 0.00 0.12 0.00 0.00 0.52 2.88 2.78 1.94 0.00 0.14 8.38
1961-1962 0.00 0.03 0.05 0.00 2.02 1.44 2.56 11.57 1.10 0.00 0.02 0.00 18.79
Year Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Season
1960-1961 0.00 0.00 0.00 0.01 2.40 0.15 1.28 0.15 0.57 0.29 0.00 0.00 4.85
1959-1960 0.00 0.00 0.01 0.00 0.07 1.09 2.94 2.26 0.31 1.45 0.05 0.00 8.18
1958-1959 0.00 0.39 0.07 0.06 0.00 0.00 1.24 3.32 0.00 0.50 0.00 0.00 5.58
1957-1958 0.00 0.00 0.00 1.51 0.51 2.14 2.08 6.46 5.30 3.09 0.04 0.00 21.13
1956-1957 0.00 0.00 0.00 0.12 0.00 0.34 4.41 1.47 1.02 1.47 0.63 0.08 9.54
1955-1956 0.00 0.05 0.00 0.00 1.68 1.11 8.39 0.59 0.00 3.72 0.46 0.00 16.00
1954-1955 0.00 0.00 0.00 0.00 2.03 0.86 4.30 0.68 0.56 2.07 1.43 0.01 11.94
1953-1954 0.00 0.00 0.00 0.00 1.11 0.08 4.60 2.98 2.99 0.13 0.02 0.08 11.99
1952-1953 0.00 0.00 0.13 0.00 3.13 3.31 1.08 0.33 0.48 0.91 0.03 0.06 9.46
1951-1952 0.00 0.15 0.00 0.59 1.29 5.80 10.03 0.63 6.14 1.58 0.00 0.00 26.21
Year Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Season
1950-1951 0.01 0.00 0.38 0.24 1.05 0.03 2.80 1.48 0.44 1.54 0.24 0.00 8.21
1949-1950 0.00 0.01 0.01 0.01 2.18 2.72 2.57 1.67 0.87 0.56 0.00 0.00 10.60
1948-1949 0.00 0.00 0.00 0.09 0.00 2.20 2.43 1.41 1.40 0.00 0.46 0.00 7.99
1947-1948 0.00 0.01 0.09 0.14 0.06 1.62 0.00 1.29 3.07 0.78 0.00 0.16 7.22
1946-1947 0.00 0.00 0.02 0.92 6.04 3.47 0.38 0.86 0.79 0.00 0.11 0.02 12.61
1945-1946 0.00 0.04 0.00 0.56 0.23 5.05 0.11 1.52 3.66 0.92 0.04 0.00 12.13
1944-1945 0.00 0.00 0.01 0.05 3.72 0.90 0.04 3.34 3.43 0.08 0.00 0.01 11.58
1943-1944 0.00 0.00 0.00 0.18 0.05 6.23 0.96 8.65 2.47 0.60 0.02 0.05 19.21
1942-1943 0.00 0.23 0.00 0.58 1.24 1.01 7.98 3.07 4.55 0.50 0.00 0.01 19.17
1941-1942 0.00 0.04 0.00 1.53 0.05 4.22 0.59 1.05 1.26 2.44 0.00 0.00 11.18
Year Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Season
1940-1941 0.00 0.00 0.01 1.47 0.34 5.50 2.21 12.42 8.14 2.67 0.00 0.00 32.76
1939-1940 0.00 0.01 5.67 0.13 0.08 0.38 4.33 5.43 1.55 1.36 0.02 0.00 18.96
1938-1939 0.00 0.00 0.01 0.01 0.00 7.26 2.96 1.13 1.44 0.24 0.02 0.00 13.07
1937-1938 0.00 0.00 0.00 0.01 0.00 3.54 1.63 9.81 7.94 0.48 0.02 0.00 23.43
1936-1937 0.01 0.02 0.03 1.25 0.05 6.63 1.99 7.87 4.04 0.24 0.28 0.00 22.41
1935-1936 0.00 0.11 0.00 0.05 1.24 0.42 0.51 7.25 1.34 0.95 0.00 0.20 12.07
1934-1935 0.00 0.01 0.13 2.31 2.79 3.75 2.91 2.23 4.31 3.19 0.03 0.00 21.66
1933-1934 0.00 0.01 0.00 0.34 0.04 8.48 3.22 2.04 0.01 0.00 0.00 0.41 14.55
1932-1933 0.00 0.00 0.14 0.08 0.00 1.77 8.46 0.00 0.15 0.56 0.21 0.47 11.84
1931-1932 0.00 0.02 0.24 0.06 1.95 5.95 2.94 5.33 0.01 0.30 0.02 0.13 16.95
Year Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Season
1930-1931 0.00 0.00 0.01 0.10 1.71 0.00 3.90 3.25 0.00 3.02 0.52 0.02 12.53
1929-1930 0.00 0.00 0.32 0.00 0.00 0.00 6.55 0.45 3.99 0.15 1.04 0.00 12.50
1928-1929 0.00 0.00 0.00 0.29 1.67 2.70 1.20 2.15 2.51 1.99 0.00 0.15 12.66
1927-1928 0.00 0.00 0.00 2.04 0.61 3.09 0.02 1.43 1.99 0.29 0.29 0.01 9.77
1926-1927 0.00 0.00 0.00 0.27 3.40 1.15 1.09 9.03 2.07 0.70 0.00 0.00 17.71
1925-1926 0.00 0.00 0.00 0.74 0.68 2.45 3.06 2.70 0.22 7.53 0.18 0.00 17.56
1924-1925 0.00 0.00 0.00 0.63 1.14 1.10 0.20 0.53 1.56 1.90 0.32 0.49 7.87
1923-1924 0.00 0.00 0.55 0.04 0.04 0.80 0.36 0.03 3.42 1.43 0.00 0.00 6.67
1922-1923 0.00 0.00 0.00 0.24 1.44 3.09 1.76 0.75 0.32 1.97 0.00 0.02 9.59
1921-1922 0.00 0.00 0.62 0.59 0.05 7.90 4.64 3.47 1.64 0.10 0.65 0.00 19.66
Year Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Season
1920-1921 0.00 0.00 0.04 0.76 1.15 1.01 3.28 0.86 2.75 0.28 3.57 0.01 13.71
1919-1920 0.00 0.00 1.29 0.56 0.46 1.99 0.5 2.37 4.25 1.00 0.10 0.00 12.52
1918-1919 0.09 0.03 0.55 0.00 1.85 1.54 0.96 1.02 2.18 0.17 0.19 0.00 8.58
1917-1918 0.00 0.00 0.00 0.00 0.36 0.07 0.50 6.14 6.21 0.15 0.40 0.03 13.86
1916-1917 0.00 0.00 0.77 2.71 0.09 3.67 2.68 4.49 0.18 0.46 0.21 0.00 15.26
1915-1916 0.00 0.00 0.00 0.00 1.35 2.52 13.30 1.82 0.90 0.00 0.03 0.00 19.92
1914-1915 0.01 0.00 0.00 0.31 0.20 3.73 5.42 5.09 0.60 0.81 0.88 0.00 17.05
1913-1914 0.00 0.00 0.03 0.00 3.00 1.66 11.32 6.10 0.58 0.47 0.43 0.09 23.68
1912-1913 0.00 0.00 0.00 0.56 0.35 0.00 2.01 9.16 0.15 --- 0.05 0.58 12.86
1911-1912 0.00 --- 1.23 --- 0.10 1.27 0.07 0.00 6.99 1.66 0.12 0.00 11.44
Year Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Season
1910-1911 0.04 0.00 --- 0.82 0.15 0.07 6.70 2.81 5.15 0.28 0.02 0.03 16.07
1909-1910 0.00 0.00 0.04 0.28 1.51 6.20 1.53 0.11 1.86 0.30 --- 0.00 11.83
1908-1909 0.00 --- 1.22 0.25 0.56 1.46 7.27 5.20 2.56 0.00 --- 0.11 18.63
1907-1908 0.00 0.00 0.00 1.14 0.00 0.88 5.04 3.66 --- --- 0.25 0.00 10.97
1906-1907 0.60 --- --- 0.00 0.88 4.22 7.02 1.31 4.08 --- --- --- 18.11
1905-1906 0.00 0.00 0.00 0.08 2.98 0.20 3.85 2.47 7.35 1.22 0.99 0.01 19.15
1904-1905 0.00 0.17 0.28 0.69 0.00 2.45 2.57 6.06 6.00 0.35 0.95 0.00 19.52
1903-1904 0.00 0.00 0.43 0.00 0.00 0.00 0.14 2.68 4.50 0.97 0.00 0.00 8.72
1902-1903 0.00 0.00 0.00 0.40 2.08 2.50 2.10 1.52 6.93 3.77 0.00 0.02 19.32
1901-1902 0.00 0.09 0.03 1.88 0.46 0.00 1.62 3.35 2.98 0.16 0.03 0.00 10.60
Year Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Season
1900-1901 0.00 0.00 0.00 0.26 6.53 0.00 2.49 4.38 0.45 0.68 1.50 0.00 16.29
1899-1900 0.00 0.01 0.00 1.59 0.90 0.90 1.17 0.00 0.99 0.54 1.81 0.00 7.91
1898-1899 0.07 0.00 0.02 0.09 0.00 0.12 2.64 0.04 1.81 0.18 0.04 0.58 5.59
1897-1898 0.00 0.00 0.00 2.47 0.01 0.05 1.26 0.51 0.98 0.03 1.75 0.00 7.06
1896-1897 0.02 0.01 0.00 1.30 1.66 2.12 3.70 5.62 2.31 0.02 0.10 0.00 16.86
1895-1896 0.00 0.00 0.00 0.24 0.80 0.78 3.23 0.00 2.97 0.19 0.30 0.00 8.51
1894-1895 0.00 0.01 0.73 0.02 0.00 4.62 5.84 0.46 3.77 0.46 0.19 0.01 16.11
1893-1894 0.00 0.00 0.00 0.75 0.20 3.65 0.94 0.49 0.37 0.13 0.20 0.00 6.73
1892-1893 0.00 0.01 0.00 0.33 4.40 4.18 6.29 2.27 8.52 0.19 0.06 0.03 26.28
1891-1892 0.00 0.00 0.06 0.00 0.00 1.99 0.88 3.19 3.39 0.22 2.06 0.06 11.85
Year Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Season
1890-1891 0.00 0.03 0.06 0.03 0.13 2.32 0.25 8.56 0.41 1.26 0.31 0.00 13.36
1889-1890 0.00 0.61 0.00 6.96 1.35 15.80 7.83 1.36 0.66 0.22 0.03 0.02 34.84
1888-1889 0.03 0.08 0.00 0.36 4.01 6.26 0.25 0.92 6.48 0.27 0.62 0.00 19.28
1887-1888 0.07 0.00 0.15 0.12 0.78 2.67 6.03 0.77 3.15 0.11 0.02 0.00 13.87
1886-1887 0.24 0.21 0.00 0.01 1.18 0.18 0.20 9.25 0.24 2.30 0.20 0.04 14.05
1885-1886 0.00 0.00 0.00 0.26 5.52 1.63 7.72 1.38 2.50 3.29 0.00 0.01 22.31
1884-1885 0.00 0.00 0.00 0.39 1.06 4.64 1.05 0.00 0.01 2.00 0.06 0.00 9.21
1883-1884 0.00 0.00 0.00 1.42 0.00 2.56 3.15 13.37 12.36 3.58 0.35 1.39 38.18
1882-1883 0.00 0.00 0.00 0.05 1.82 0.08 1.62 3.47 2.87 0.15 2.02 0.03 12.11
1881-1882 0.00 0.00 0.00 0.82 0.27 0.52 1.01 2.66 2.66 1.83 0.63 0.00 10.40
Year Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Season
1880-1881 0.00 0.00 0.00 0.14 0.67 8.40 1.43 0.36 1.66 0.46 0.01 0.00 13.13
1879-1880 0.00 0.00 0.00 0.93 3.44 6.53 1.33 1.56 1.45 5.06 0.04 0.00 20.34
1878-1879 0.00 0.00 0.00 0.14 0.00 4.70 3.59 0.97 0.49 1.19 0.24 0.03 11.35
1877-1878 0.00 0.00 0.00 0.86 0.45 3.93 3.33 7.68 2.57 1.71 0.66 0.07 21.26

* The 1941-1942 season began a trend of fully recorded rain seasons through today. Prior to that, some (although not all) seasons were spotty in missing as many as 26 days or more of rain data.

Source: National Weather Service