Precipitation annual maximum series (inches) Station ID: 97-0055 Station name: CHATSWORTH RESERVOIR State: CA Latitude (decimal degrees): 34.2289 Longitude (decimal degrees): -118.6217 Elevation (feet): 900 Duration: 1 days 04/04/1926 2.35 02/16/1927 2.15 02/04/1928 1.41 03/10/1929 1.09 03/15/1930 2.37 02/05/1931 2.89 02/09/1932 2.42 01/20/1933 1.85 01/01/1934 6.38 01/05/1935 1.77 02/13/1936 1.23 02/14/1937 2.60 03/03/1938 3.13 09/25/1939 3.18 01/08/1940 2.68 02/20/1941 3.03 12/29/1941 1.48 01/22/1943 3.55 02/22/1944 4.08 02/03/1945 1.56 12/22/1945 4.08 11/13/1946 1.95 03/25/1948 1.07 12/17/1948 0.98 02/06/1950 1.38 01/30/1951 0.86 01/18/1952 3.96 11/15/1952 2.23 02/14/1954 2.89 05/01/1955 1.83 01/26/1956 4.78 01/13/1957 2.65 12/16/1957 3.70 01/06/1959 2.33 02/02/1960 1.59 11/06/1960 1.38 02/11/1962 4.05 02/10/1963 2.58 11/20/1963 1.64 04/01/1965 1.68 11/17/1965 3.47 01/23/1967 2.09 03/08/1968 3.72 01/25/1969 3.54 03/02/1970 1.76 11/29/1970 4.50 12/25/1971 1.27 02/11/1973 2.50 01/08/1974 2.01 12/04/1974 2.75 02/09/1976 1.20 05/09/1977 2.40 03/01/1978 3.29 01/06/1979 2.78 02/17/1980 3.63 01/28/1981 1.19 11/28/1981 1.93 03/01/1983 3.55 12/25/1983 1.89 02/09/1985 1.59 01/30/1986 2.55 11/18/1986 1.56 11/01/1987 2.56 12/19/1988 1.65 02/19/1990 2.38 02/28/1991 3.26 02/12/1992 3.35 12/07/1992 3.08 -9/-9/-999 -9.99 01/11/1995 2.67 02/20/1996 2.68 12/13/1996 2.58 02/06/1998 5.10 04/12/1999 1.23 04/18/2000 1.93 01/11/2001 3.72 11/24/2001 0.86 02/12/2003 4.16 02/25/2004 1.84 01/09/2005 2.84 02/28/2006 2.73 -9/-9/-999 -9.99 Duration: 2 days 04/04/1926 3.35 02/15/1927 4.05 02/03/1928 2.03 04/04/1929 1.64 03/15/1930 2.84 02/04/1931 4.77 02/08/1932 3.29 01/19/1933 3.02 12/31/1933 7.10 12/13/1934 2.30 02/12/1936 2.43 02/06/1937 3.03 03/02/1938 5.72 12/15/1938 3.59 01/08/1940 3.03 12/23/1940 3.38 12/29/1941 1.72 01/22/1943 6.92 02/21/1944 6.38 02/02/1945 2.64 12/22/1945 5.27 11/13/1946 3.11 12/05/1947 1.27 12/17/1948 1.41 12/18/1949 1.69 01/29/1951 1.15 01/17/1952 4.47 11/15/1952 2.65 02/14/1954 3.27 04/30/1955 2.07 01/26/1956 6.94 01/12/1957 2.99 12/15/1957 4.48 01/06/1959 2.63 01/10/1960 1.84 11/05/1960 1.64 02/11/1962 5.42 02/10/1963 3.04 11/20/1963 1.85 04/01/1965 2.75 11/16/1965 4.58 11/07/1966 3.51 03/08/1968 4.20 01/25/1969 5.30 03/01/1970 3.28 11/29/1970 6.02 12/25/1971 2.00 02/11/1973 2.97 01/07/1974 3.53 12/04/1974 3.11 02/08/1976 1.94 05/09/1977 2.68 03/04/1978 4.62 01/05/1979 3.53 02/17/1980 5.72 03/01/1981 1.95 11/27/1981 2.74 03/01/1983 6.39 09/30/1983 2.31 12/19/1984 2.17 01/30/1986 3.87 11/17/1986 1.76 11/01/1987 2.85 12/19/1988 1.86 02/19/1990 2.69 02/28/1991 5.03 02/11/1992 5.71 02/08/1993 3.48 -9/-9/-999 -9.99 01/10/1995 4.16 02/20/1996 3.89 12/13/1996 2.92 02/23/1998 5.72 04/12/1999 1.39 04/17/2000 2.18 01/11/2001 4.43 11/24/2001 0.97 02/11/2003 4.62 02/25/2004 2.60 01/09/2005 4.29 02/28/2006 3.08 -9/-9/-999 -9.99 Duration: 3 days 04/04/1926 3.58 02/14/1927 5.76 02/03/1928 2.11 11/12/1928 1.78 03/15/1930 2.97 02/04/1931 5.01 02/07/1932 3.49 01/19/1933 3.40 12/31/1933 7.41 12/13/1934 2.46 02/11/1936 2.93 02/06/1937 3.18 03/01/1938 7.80 12/15/1938 3.77 02/02/1940 3.18 02/20/1941 5.06 12/28/1941 1.77 01/22/1943 7.53 02/20/1944 9.42 02/01/1945 3.30 12/21/1945 6.08 11/12/1946 4.06 02/05/1948 1.33 12/17/1948 1.48 12/18/1949 1.81 01/29/1951 1.17 01/16/1952 7.29 11/15/1952 2.78 02/13/1954 3.43 04/30/1955 2.17 01/25/1956 7.29 01/12/1957 3.14 12/15/1957 5.22 01/06/1959 2.76 01/10/1960 3.07 11/04/1960 2.03 02/09/1962 7.22 02/09/1963 3.10 11/20/1963 1.95 04/01/1965 3.58 11/15/1965 5.99 11/07/1966 3.57 11/19/1967 4.41 01/24/1969 6.40 02/28/1970 3.60 11/29/1970 6.32 12/25/1971 2.96 02/11/1973 3.69 01/06/1974 4.43 12/04/1974 3.26 02/08/1976 2.61 05/09/1977 2.81 02/08/1978 5.09 01/05/1979 3.71 02/16/1980 7.40 01/28/1981 2.14 11/27/1981 2.88 03/01/1983 7.65 09/29/1983 2.36 12/18/1984 2.47 02/13/1986 4.92 11/17/1986 1.85 10/31/1987 3.10 12/19/1988 2.60 02/19/1990 2.82 02/28/1991 5.10 02/11/1992 6.92 01/13/1993 4.53 -9/-9/-999 -9.99 01/10/1995 4.86 02/20/1996 4.00 12/13/1996 3.06 02/23/1998 6.01 04/12/1999 1.46 02/22/2000 2.43 01/11/2001 4.82 11/24/2001 1.02 02/11/2003 4.69 02/25/2004 2.73 01/07/2005 5.79 02/28/2006 3.24 -9/-9/-999 -9.99 Duration: 4 days 04/04/1926 5.46 02/13/1927 7.52 02/03/1928 2.19 11/12/1928 1.85 03/14/1930 3.02 02/04/1931 5.21 02/07/1932 3.55 01/17/1933 4.71 12/30/1933 7.71 12/12/1934 2.52 02/12/1936 3.77 02/06/1937 3.31 02/28/1938 8.87 12/15/1938 5.42 01/08/1940 3.57 02/20/1941 5.11 12/28/1941 1.82 01/22/1943 7.83 02/20/1944 10.23 01/31/1945 3.43 12/21/1945 6.32 11/11/1946 4.10 02/05/1948 1.38 12/15/1948 1.54 12/18/1949 1.88 04/26/1951 1.24 01/15/1952 7.62 11/15/1952 2.89 02/13/1954 3.57 04/30/1955 2.26 01/24/1956 7.58 01/12/1957 3.27 12/15/1957 5.43 01/06/1959 2.88 01/10/1960 3.11 11/04/1960 2.11 02/08/1962 9.53 02/09/1963 3.22 11/20/1963 2.02 04/01/1965 4.53 11/15/1965 6.69 12/03/1966 4.28 11/19/1967 5.86 01/24/1969 6.91 02/28/1970 3.74 11/29/1970 6.57 12/25/1971 3.91 02/10/1973 3.84 01/05/1974 5.97 03/06/1975 3.39 02/07/1976 2.88 05/09/1977 2.93 03/01/1978 6.97 01/05/1979 3.85 02/14/1980 9.32 03/02/1981 2.30 03/15/1982 2.99 03/01/1983 8.12 09/29/1983 2.45 12/18/1984 2.57 02/13/1986 5.12 11/17/1986 1.92 10/30/1987 3.19 12/19/1988 2.70 02/19/1990 2.94 02/28/1991 5.28 02/10/1992 7.79 01/13/1993 4.71 -9/-9/-999 -9.99 01/09/1995 5.50 02/20/1996 4.16 12/10/1996 4.59 02/06/1998 8.67 04/12/1999 1.52 02/21/2000 3.14 01/11/2001 5.01 11/24/2001 1.06 02/11/2003 4.85 02/22/2004 2.97 01/07/2005 7.24 02/28/2006 3.37 -9/-9/-999 -9.99 Duration: 7 days 04/01/1926 5.63 02/13/1927 7.75 12/21/1927 2.26 11/12/1928 1.91 01/09/1930 3.56 01/31/1931 5.37 12/23/1931 3.80 01/16/1933 6.48 12/30/1933 7.94 12/08/1934 3.08 02/11/1936 5.00 12/25/1936 4.30 02/27/1938 8.98 12/15/1938 7.37 01/05/1940 3.95 02/16/1941 6.95 12/24/1941 1.97 01/22/1943 8.68 02/20/1944 10.54 01/31/1945 3.53 12/21/1945 6.51 11/08/1946 4.22 03/14/1948 1.42 12/17/1948 1.59 01/08/1950 2.36 11/14/1950 1.48 01/12/1952 9.47 11/15/1952 2.98 01/19/1954 3.66 05/01/1955 2.35 01/25/1956 7.81 01/08/1957 3.37 12/15/1957 5.59 02/11/1959 2.96 01/10/1960 3.60 11/04/1960 2.17 02/08/1962 10.93 02/09/1963 3.43 11/15/1963 2.25 03/31/1965 4.74 11/17/1965 7.12 12/02/1966 5.08 11/19/1967 6.04 01/20/1969 11.31 02/28/1970 4.45 11/26/1970 6.77 12/22/1971 5.79 02/06/1973 4.77 01/04/1974 6.83 03/05/1975 3.67 02/05/1976 3.66 01/01/1977 3.51 02/28/1978 9.61 01/05/1979 3.97 02/14/1980 13.12 03/01/1981 3.40 03/12/1982 3.69 02/26/1983 11.07 09/29/1983 2.81 12/16/1984 2.87 02/13/1986 5.27 11/17/1986 1.98 10/30/1987 3.92 12/19/1988 2.79 02/19/1990 3.02 02/28/1991 5.44 02/07/1992 10.40 01/13/1993 7.32 -9/-9/-999 -9.99 01/05/1995 7.22 02/20/1996 4.28 12/10/1996 4.73 02/06/1998 8.93 04/06/1999 2.15 02/20/2000 3.60 01/09/2001 5.16 11/24/2001 1.21 02/11/2003 5.00 02/20/2004 4.34 02/17/2005 8.52 02/28/2006 3.47 -9/-9/-999 -9.99 Duration: 10 days 04/01/1926 5.74 02/13/1927 7.90 12/21/1927 2.31 11/12/1928 1.94 01/05/1930 4.24 02/04/1931 5.47 01/31/1932 5.08 01/16/1933 7.10 12/30/1933 8.10 12/08/1934 3.24 02/11/1936 5.43 02/06/1937 6.00 02/27/1938 9.17 12/15/1938 7.52 01/03/1940 4.37 02/15/1941 8.65 12/24/1941 2.02 01/22/1943 9.45 02/20/1944 10.75 11/05/1944 3.61 12/21/1945 6.64 11/12/1946 4.54 03/17/1948 1.65 01/11/1949 1.70 01/08/1950 2.57 01/11/1951 1.91 01/12/1952 9.66 11/08/1952 3.15 01/18/1954 4.04 04/22/1955 3.71 01/23/1956 7.96 01/05/1957 4.22 12/15/1957 5.70 02/08/1959 3.11 01/10/1960 3.67 11/04/1960 2.49 02/08/1962 11.97 02/01/1963 3.94 03/23/1964 2.47 04/01/1965 6.85 11/15/1965 10.24 11/28/1966 5.18 11/19/1967 6.16 01/19/1969 13.39 02/28/1970 4.54 11/26/1970 6.91 12/22/1971 6.00 02/04/1973 6.36 01/01/1974 6.97 03/05/1975 3.78 02/05/1976 3.73 12/30/1976 4.17 02/27/1978 9.80 01/05/1979 4.05 02/13/1980 14.07 02/26/1981 3.73 03/12/1982 3.76 02/24/1983 11.63 09/29/1983 3.09 12/11/1984 3.73 02/10/1986 5.38 11/17/1986 2.02 10/23/1987 4.07 12/19/1988 3.88 02/19/1990 3.09 02/28/1991 5.55 02/07/1992 11.36 01/06/1993 8.01 -9/-9/-999 -9.99 01/03/1995 10.37 02/20/1996 4.45 12/06/1996 4.85 01/31/1998 9.89 04/03/1999 2.20 02/15/2000 4.05 02/25/2001 5.84 11/24/2001 1.42 02/11/2003 5.10 02/21/2004 4.72 01/02/2005 8.69 03/28/2006 4.28 -9/-9/-999 -9.99 Duration: 20 days 04/01/1926 6.47 02/13/1927 9.22 12/10/1927 3.13 01/16/1929 2.54 01/05/1930 4.56 01/31/1931 6.10 01/31/1932 6.12 01/16/1933 8.84 12/13/1933 9.38 12/28/1934 3.94 02/01/1936 7.23 01/29/1937 7.41 02/27/1938 10.93 12/15/1938 7.52 01/05/1940 4.89 02/15/1941 14.58 12/10/1941 2.99 01/22/1943 9.57 02/15/1944 13.31 11/01/1944 3.95 12/21/1945 6.68 11/08/1946 6.21 03/14/1948 2.50 12/14/1948 2.66 12/08/1949 3.48 01/11/1951 3.06 12/30/1951 12.25 11/15/1952 4.40 01/12/1954 4.41 04/22/1955 4.31 01/21/1956 7.96 01/05/1957 4.99 03/15/1958 7.53 02/07/1959 4.35 12/24/1959 4.36 11/04/1960 2.49 02/08/1962 13.98 01/30/1963 4.83 11/04/1963 3.16 03/31/1965 7.32 11/14/1965 10.98 11/18/1966 5.72 11/19/1967 6.80 01/14/1969 14.92 02/11/1970 4.54 11/29/1970 7.18 12/13/1971 6.26 01/30/1973 6.43 01/02/1974 7.44 03/05/1975 4.30 02/05/1976 3.73 12/30/1976 4.17 12/27/1977 9.81 01/05/1979 6.99 02/13/1980 16.07 03/01/1981 4.38 03/12/1982 4.30 02/24/1983 12.02 09/29/1983 3.09 12/08/1984 4.64 01/30/1986 9.06 11/17/1986 2.02 10/22/1987 6.14 12/19/1988 4.20 01/31/1990 3.09 02/28/1991 7.03 02/07/1992 11.36 12/30/1992 11.20 -9/-9/-999 -9.99 12/25/1994 11.19 02/20/1996 4.87 12/10/1996 6.18 02/06/1998 18.06 03/25/1999 3.13 02/10/2000 6.30 02/10/2001 7.89 11/11/2001 1.78 02/11/2003 5.38 02/18/2004 5.08 02/11/2005 10.99 03/18/2006 4.78 -9/-9/-999 -9.99 Duration: 30 days 04/04/1926 6.67 02/04/1927 10.34 12/10/1927 3.25 03/10/1929 3.01 01/05/1930 5.10 01/08/1931 6.88 12/09/1931 7.03 01/16/1933 8.84 12/04/1933 9.73 12/08/1934 5.83 01/30/1936 7.77 01/29/1937 8.23 02/03/1938 12.71 12/15/1938 8.00 01/06/1940 8.24 02/12/1941 16.60 12/04/1941 3.77 01/22/1943 9.57 02/04/1944 13.49 02/01/1945 4.50 12/21/1945 6.68 11/08/1946 6.80 03/14/1948 2.93 12/17/1948 3.59 01/08/1950 4.47 01/05/1951 3.22 12/29/1951 13.85 11/08/1952 5.26 01/18/1954 7.12 01/02/1955 4.71 01/26/1956 7.98 01/05/1957 6.07 03/11/1958 9.78 02/07/1959 4.35 01/10/1960 5.92 11/04/1960 3.40 01/21/1962 15.40 01/30/1963 4.83 11/04/1963 3.16 03/15/1965 7.65 11/14/1965 11.66 11/07/1966 8.55 11/19/1967 6.86 01/14/1969 16.20 02/10/1970 6.36 11/26/1970 11.47 12/03/1971 6.36 01/16/1973 9.95 12/22/1973 7.74 03/05/1975 4.31 02/05/1976 4.71 12/30/1976 4.17 02/05/1978 17.44 01/05/1979 10.01 02/13/1980 17.09 02/26/1981 4.73 03/02/1982 4.60 02/24/1983 14.36 11/11/1983 3.63 11/21/1984 5.40 01/30/1986 9.06 11/17/1986 2.02 10/12/1987 6.26 11/28/1988 4.38 01/31/1990 3.09 02/28/1991 9.91 02/07/1992 15.03 12/28/1992 12.70 -9/-9/-999 -9.99 12/28/1994 14.57 02/20/1996 6.55 12/06/1996 7.49 01/29/1998 19.91 03/15/1999 4.22 02/10/2000 8.50 02/07/2001 10.23 11/24/2001 2.01 02/11/2003 5.50 02/02/2004 5.44 01/26/2005 11.54 02/28/2006 6.04 -9/-9/-999 -9.99 Duration: 45 days 04/01/1926 6.84 01/21/1927 11.19 12/25/1927 3.99 11/12/1928 3.71 01/05/1930 5.10 01/02/1931 8.83 12/28/1931 8.71 12/24/1932 9.03 12/12/1933 9.78 12/08/1934 7.46 01/10/1936 7.90 01/31/1937 10.39 01/29/1938 17.10 12/15/1938 10.09 01/02/1940 9.10 01/20/1941 19.43 11/30/1941 3.86 01/22/1943 15.97 01/24/1944 14.45 02/01/1945 6.45 11/29/1945 6.98 11/12/1946 9.57 03/14/1948 2.95 12/14/1948 4.53 12/08/1949 6.05 01/11/1951 3.65 12/12/1951 15.07 11/15/1952 6.76 01/12/1954 7.57 01/02/1955 4.71 12/23/1955 8.89 01/05/1957 6.18 02/19/1958 12.98 01/06/1959 5.76 12/21/1959 7.36 11/04/1960 3.40 01/21/1962 16.42 02/01/1963 6.55 10/16/1963 3.74 03/05/1965 8.01 11/16/1965 13.94 11/07/1966 9.33 11/19/1967 8.00 01/14/1969 20.96 01/24/1970 6.48 11/26/1970 11.66 12/03/1971 6.36 01/16/1973 11.02 12/01/1973 8.17 01/31/1975 6.72 02/05/1976 4.77 12/30/1976 4.23 02/06/1978 17.91 01/05/1979 10.62 01/09/1980 21.52 01/23/1981 7.07 02/10/1982 4.84 01/19/1983 20.42 11/12/1983 5.74 11/08/1984 6.70 01/30/1986 11.65 02/09/1987 2.07 12/07/1987 6.53 11/28/1988 4.72 01/15/1990 4.51 02/28/1991 9.91 02/08/1992 17.27 01/06/1993 17.28 -9/-9/-999 -9.99 01/03/1995 15.99 01/31/1996 8.34 12/10/1996 10.58 01/29/1998 20.96 03/10/1999 4.49 01/25/2000 9.71 01/24/2001 11.19 11/24/2001 2.69 02/11/2003 8.51 01/20/2004 5.51 01/07/2005 16.03 02/28/2006 8.20 -9/-9/-999 -9.99 Duration: 60 days 02/11/1926 9.15 01/06/1927 11.43 10/28/1927 5.96 01/16/1929 4.89 01/05/1930 6.70 01/02/1931 8.83 12/21/1931 12.02 12/10/1932 9.79 12/04/1933 9.81 11/16/1934 8.72 02/01/1936 8.97 12/25/1936 12.99 01/15/1938 17.81 12/15/1938 11.61 01/02/1940 10.69 02/12/1941 21.80 02/22/1942 4.60 01/22/1943 17.01 01/06/1944 14.60 01/31/1945 7.81 12/21/1945 7.62 11/08/1946 9.85 02/05/1948 4.07 12/15/1948 5.06 12/16/1949 6.85 01/05/1951 4.98 12/01/1951 16.15 11/15/1952 8.40 01/18/1954 8.25 12/03/1954 5.88 12/04/1955 9.85 01/05/1957 8.69 02/03/1958 16.91 01/06/1959 6.71 12/21/1959 7.90 11/04/1960 3.40 01/20/1962 17.16 01/30/1963 7.74 10/16/1963 3.76 03/05/1965 8.01 11/14/1965 15.68 11/07/1966 9.33 11/19/1967 8.28 01/14/1969 21.56 01/10/1970 8.55 11/26/1970 12.46 11/12/1971 6.82 01/16/1973 12.68 11/17/1973 9.73 01/28/1975 7.27 02/05/1976 4.92 11/12/1976 4.55 01/05/1978 25.37 01/05/1979 12.87 01/09/1980 24.54 01/23/1981 8.05 01/19/1982 6.36 01/19/1983 21.69 10/31/1983 6.56 11/08/1984 7.00 01/30/1986 13.52 11/17/1986 3.32 10/22/1987 8.76 12/19/1988 5.28 01/02/1990 4.79 02/28/1991 9.91 02/07/1992 19.19 12/28/1992 21.03 -9/-9/-999 -9.99 12/25/1994 16.77 01/17/1996 9.08 12/06/1996 12.07 01/29/1998 23.72 01/26/1999 4.72 01/17/2000 9.90 01/06/2001 16.18 11/11/2001 3.26 02/11/2003 8.51 01/02/2004 6.30 12/26/2004 21.64 02/18/2006 8.96 -9/-9/-999 -9.99