LOS ANGELES DWTN USC CAMPUS,

Monthly Total Precipitation (inches)

(045115)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.
YEAR(S) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1906 0.00 z 0.00 z 0.00 z 1.20 z 0.99 z 0.00 z 0.60 z 0.04 z 0.05 z 0.00 z 0.88 x 4.22 4.22
1907 7.02 1.31 x 4.08 s 0.16 z 0.07 z 0.03 z 0.00 0.00 0.00 1.14 0.00 0.88 u 8.16
1908 5.04 u 3.66 u 0.18 z 0.52 z 0.25 0.00 0.00 0.08 z 1.22 0.25 0.56 1.46 3.74
1909 7.27 5.20 2.56 0.00 0.00 z 0.11 0.00 0.00 0.04 0.28 1.51 6.20 23.17
1910 1.53 0.11 1.86 0.30 0.00 z 0.00 0.04 0.00 0.01 z 0.82 0.15 0.07 4.88
1911 6.70 2.81 5.15 0.28 0.02 0.03 0.00 0.00 z 1.23 0.16 z 0.10 y 1.27 17.49
1912 0.07 0.00 0.00 z 1.66 0.12 0.00 0.00 0.00 0.00 0.56 0.35 0.00 2.76
1913 2.01 9.16 2.39 0.35 z 0.05 0.58 0.00 0.00 0.03 0.00 3.00 1.66 18.88
1914 10.35 7.04 0.58 0.47 0.43 0.09 0.01 0.00 0.00 0.31 0.20 3.73 23.21
1915 5.42 5.09 0.60 0.81 0.88 0.00 0.00 0.00 0.00 0.00 1.35 2.58 16.73
1916 13.30 1.82 0.90 0.00 0.03 0.00 0.00 0.00 0.77 2.71 0.09 3.67 23.29
1917 2.68 4.49 0.18 0.46 0.21 0.00 0.00 0.00 0.00 0.00 0.36 0.07 8.45
1918 0.50 6.14 6.21 0.15 0.40 0.03 0.09 0.03 0.55 0.00 1.85 1.54 17.49
1919 0.96 1.02 2.18 0.17 0.19 0.00 0.00 0.00 1.29 0.56 0.46 1.99 8.82
1920 0.50 2.37 4.25 1.00 0.10 0.00 0.00 0.00 0.04 0.76 1.15 1.01 11.18
1921 3.22 0.86 2.75 0.28 3.57 0.01 0.00 0.00 0.62 0.59 0.05 7.90 19.85
1922 4.88 3.47 1.64 0.10 0.65 0.00 0.00 0.00 0.00 0.24 1.44 3.09 15.51
1923 1.76 0.75 0.32 1.97 0.00 0.02 0.00 0.00 0.55 0.04 0.04 0.80 6.25
1924 0.36 0.03 3.42 1.43 0.00 0.00 0.00 0.00 0.00 0.63 1.14 1.10 8.11
1925 0.20 0.53 1.56 1.90 0.32 0.56 0.00 0.00 0.00 0.74 0.68 2.45 8.94
1926 3.06 2.70 0.22 7.53 0.18 0.00 0.00 0.00 0.00 0.27 3.45 1.15 18.56
1927 1.09 8.73 2.07 0.70 0.00 0.00 0.00 0.00 0.00 2.04 0.61 3.09 18.33
1928 0.02 1.43 1.99 0.29 0.29 0.01 0.00 0.00 0.00 0.29 1.67 2.69 8.68
1929 1.20 2.15 2.51 1.99 0.00 0.15 0.00 0.00 0.32 0.00 0.00 0.00 8.32
1930 5.57 0.45 3.99 0.15 1.04 0.00 0.00 0.00 0.01 0.10 1.71 0.00 13.02
1931 3.90 3.25 0.00 3.02 0.52 0.02 0.00 0.02 0.24 0.06 1.95 5.95 18.93
1932 2.94 5.33 0.01 0.30 0.02 0.13 0.00 0.00 0.14 0.08 0.00 1.77 10.72
1933 8.46 0.00 0.19 0.56 0.21 0.47 0.00 0.01 0.00 0.34 0.04 8.48 18.76
1934 3.22 2.04 0.01 0.00 0.00 0.41 0.00 0.01 0.13 2.31 2.79 3.75 14.67
1935 2.91 2.23 4.31 3.19 0.03 0.00 0.00 0.11 0.00 0.05 1.24 0.42 14.49
1936 0.51 7.25 1.34 0.95 0.00 0.20 0.01 0.02 0.03 1.25 0.05 6.63 18.24
1937 1.99 7.87 4.04 0.24 0.28 0.00 0.00 0.00 0.00 0.01 0.00 3.54 17.97
1938 1.63 9.81 7.94 0.48 0.02 0.00 0.00 0.00 0.01 0.01 0.00 7.26 27.16
1939 2.96 1.13 1.44 0.24 0.02 0.00 0.00 0.01 5.67 0.13 0.08 0.38 12.06
1940 4.33 5.43 1.55 1.61 0.02 0.00 0.00 0.00 0.01 1.47 0.34 5.50 20.26
1941 2.21 12.42 8.14 2.67 0.00 0.00 0.00 0.04 0.00 1.53 0.05 4.22 31.28
1942 0.59 1.05 1.26 2.44 0.00 0.00 0.00 0.23 0.00 0.58 0.24 1.01 7.40
1943 7.98 3.07 4.55 0.50 0.00 0.01 0.00 0.00 0.00 0.18 0.05 6.23 22.57
1944 0.97 8.65 2.47 0.60 0.02 0.05 0.00 0.00 0.01 0.06 3.72 0.90 17.45
1945 0.04 3.34 3.43 0.08 0.00 0.01 0.00 0.04 0.00 0.56 0.23 5.05 12.78
1946 0.11 1.52 3.66 0.44 0.04 0.00 0.00 0.00 0.02 0.92 6.04 3.47 16.22
1947 0.38 0.86 0.79 0.04 0.12 0.02 0.00 0.01 0.09 0.14 0.06 1.62 4.13
1948 0.00 1.29 3.07 0.78 0.00 0.16 0.00 0.00 0.00 0.09 0.00 2.20 7.59
1949 2.43 1.41 1.40 0.00 0.46 0.00 0.00 0.01 0.01 0.01 2.18 2.72 10.63
1950 2.57 1.67 0.87 0.56 0.00 0.00 0.01 0.00 0.38 0.24 1.05 0.03 7.38
1951 2.80 1.48 0.44 1.54 0.24 0.00 0.00 0.15 0.00 0.59 1.29 5.80 14.33
1952 10.03 0.63 6.14 1.58 0.00 0.00 0.00 0.00 0.13 0.00 3.13 3.31 24.95
1953 1.08 0.33 0.48 0.91 0.03 0.06 0.00 0.00 0.00 0.00 1.11 0.08 4.08
1954 4.60 2.98 2.99 0.13 0.02 0.08 0.00 0.00 0.00 0.00 2.03 0.86 13.69
1955 4.30 0.68 0.56 2.07 1.43 0.01 0.00 0.05 0.00 0.00 1.68 1.11 11.89
1956 8.39 0.59 0.00 3.72 0.46 0.00 0.00 0.00 0.00 0.12 0.00 0.34 13.62
1957 4.41 1.47 1.02 1.47 0.63 0.08 0.00 0.00 0.00 1.51 0.51 2.14 13.24
1958 2.08 6.46 5.30 3.09 0.04 0.00 0.00 0.39 0.07 0.06 0.00 0.00 17.49
1959 1.24 3.32 0.00 0.50 0.00 0.00 0.00 0.00 0.01 0.00 0.07 1.09 6.23
1960 2.94 2.26 0.31 1.45 0.05 0.00 0.00 0.00 0.00 0.01 2.40 0.15 9.57
1961 1.28 0.15 0.57 0.29 0.00 0.00 0.00 0.03 0.05 0.00 2.02 1.44 5.83
1962 2.56 11.57 1.10 0.00 0.02 0.00 0.00 0.00 0.00 0.12 0.00 0.00 15.37
1963 0.52 2.88 2.78 1.94 0.00 0.14 0.00 0.02 1.31 0.57 2.15 0.00 12.31
1964 1.43 0.00 1.79 0.33 0.01 0.32 0.00 0.00 0.00 0.33 1.72 2.05 7.98
1965 0.84 0.23 2.49 6.02 0.00 0.01 0.00 0.01 1.80 0.00 9.68 5.73 26.81
1966 0.96 1.51 0.53 0.00 0.22 0.00 0.00 0.00 0.30 0.06 4.07 5.26 12.91
1967 5.93 0.11 2.50 3.76 0.01 0.00 0.00 0.00 1.02 0.00 8.67 1.66 23.66
1968 0.90 0.49 3.34 0.49 0.00 0.01 0.01 0.11 0.03 0.55 0.37 1.28 7.58
1969 14.94 8.03 1.49 0.63 0.03 0.00 0.03 0.00 0.00 0.00 1.11 0.06 26.32
1970 1.59 2.58 2.36 0.00 0.00 0.04 0.00 0.00 0.00 0.00 5.05 4.92 16.54
1971 0.43 0.67 0.53 0.50 0.22 0.00 0.00 0.00 0.00 0.04 0.30 6.57 9.26
1972 0.00 0.13 0.00 0.03 0.03 0.07 0.00 0.35 0.02 0.29 3.26 2.36 6.54
1973 4.39 7.89 2.70 0.00 0.00 0.00 0.00 0.00 0.00 0.12 1.68 0.67 17.45
1974 8.35 0.14 3.78 0.10 0.08 0.00 0.00 0.00 0.00 0.58 0.07 3.59 16.69
1975 0.12 3.54 4.83 1.53 0.09 0.00 0.00 0.00 0.00 0.27 0.00 0.32 10.70
1976 0.00 3.71 1.81 0.84 0.05 0.22 0.00 0.08 2.82 0.24 0.49 0.75 11.01
1977 2.84 0.17 1.89 0.00 3.03 0.00 0.00 2.26 0.00 0.00 0.08 4.70 14.97
1978 7.70 8.91 8.02 1.77 0.00 0.00 0.00 0.00 0.39 0.05 2.28 1.45 30.57
1979 6.59 3.06 5.85 0.00 0.00 0.00 0.00 0.01 0.00 0.77 0.21 0.51 17.00
1980 7.50 12.75 4.79 0.31 0.13 0.00 0.00 0.00 0.00 0.00 0.00 0.85 26.33
1981 2.02 1.48 4.10 0.53 0.00 0.00 0.00 0.00 0.02 0.49 1.80 0.48 10.92
1982 2.17 0.70 3.54 1.39 0.12 0.00 0.00 0.00 0.84 0.19 4.41 1.05 14.41
1983 6.49 4.37 8.37 5.16 0.36 0.01 0.00 0.79 1.99 0.75 2.52 3.23 34.04
1984 0.17 0.00 0.28 0.69 0.00 0.01 0.00 0.40 0.23 0.15 1.44 5.53 8.90
1985 0.71 2.84 1.29 0.00 0.23 0.00 0.00 0.00 0.19 0.42 2.91 0.33 8.92
1986 2.19 6.10 5.27 0.45 0.00 0.00 0.18 0.00 1.97 0.53 0.94 0.37 18.00
1987 1.39 1.22 0.95 0.06 0.00 0.05 0.01 0.00 0.09 2.37 1.13 1.84 9.11
1988 1.65 1.72 0.26 3.41 0.00 0.00 0.00 0.05 0.04 0.00 0.70 3.80 11.63
1989 0.73 1.90 0.81 0.00 0.05 0.00 0.00 0.00 0.35 0.43 0.29 0.00 4.56
1990 1.24 3.12 0.17 0.58 1.17 0.00 0.00 0.02 0.00 0.00 0.19 0.00 6.49
1991 1.17 4.13 5.92 0.03 0.00 0.01 0.13 0.00 0.09 0.37 0.00 3.22 15.07
1992 1.74 7.96 7.12 0.33 0.04 0.00 0.08 0.00 0.00 0.70 0.00 4.68 22.65
1993 11.77 6.61 2.74 0.00 0.02 0.76 0.00 0.00 0.00 0.16 0.66 0.78 23.50
1994 0.33 3.21 1.86 0.83 0.28 0.00 0.00 0.00 0.00 0.19 0.61 1.35 8.66
1995 12.56 1.30 6.98 0.58 0.18 0.60 0.02 0.00 0.00 0.00 0.09 1.34 23.65
1996 3.16 4.94 2.16 0.71 0.04 0.00 0.00 0.00 0.00 1.06 1.59 4.09 17.75
1997 5.58 0.08 0.00 0.00 0.00 0.00 0.00 0.00 0.45 0.00 2.06 2.52 10.69
1998 4.12 13.68 4.06 0.97 3.10 0.05 0.00 0.00 0.01 0.00 1.32 0.54 27.85
1999 1.85 0.56 1.24 2.57 0.02 0.98 0.00 0.00 0.00 0.00 0.44 0.40 8.06
2000 0.88 5.54 2.82 1.49 0.00 0.00 0.00 0.07 0.15 0.98 0.00 0.00 11.93
2001 5.59 8.87 1.17 1.11 0.00 0.00 0.00 0.00 0.00 0.06 1.42 1.38 19.60
2002 0.80 0.29 0.32 0.09 0.05 0.01 0.00 0.00 0.00 0.05 2.43 3.31 7.35
2003 0.00 4.64 4.32 0.71 1.02 0.01 0.00 0.00 0.00 0.53 0.79 1.35 13.37
2004 0.47 4.89 1.17 0.04 0.00 0.00 0.00 0.00 0.00 4.56 0.20 8.77 20.10
2005 9.32 11.02 2.14 1.05 0.19 0.00 0.00 0.00 0.29 1.35 0.22 1.03 26.61
2006 2.06 2.37 2.87 2.15 0.85 0.00 0.00 0.00 0.00 0.34 0.16 0.81 11.61
2007 0.19 0.92 0.05 0.74 0.00 0.00 0.00 0.00 0.52 0.95 0.56 1.73 5.66
2008 7.97 1.64 0.01 0.04 0.11 0.00 0.00 0.00 0.00 0.02 1.85 2.79 14.43
2009 0.34 3.57 0.33 0.03 0.00 0.15 0.00 0.00 0.00 2.07 0.01 2.89 9.39
2010 4.94 4.27 0.48 1.65 0.05 0.00 0.00 0.00 0.00 0.94 0.53 10.23 23.09
2011 0.79 3.29 3.96 0.00 0.45 0.01 0.00 0.00 0.00 1.17 1.58 1.01 12.26
2012 1.30 0.16 1.75 1.71 0.01 0.00 0.01 0.00 0.00 0.02 1.05 2.30 8.31
2013 1.18 0.20 0.56 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1.94
Period of Record Statistics
MEAN 3.18 3.36 2.38 1.01 0.25 0.06 0.01 0.05 0.27 0.47 1.25 2.41 14.74
S.D. 3.29 3.29 2.12 1.31 0.59 0.17 0.02 0.24 0.72 0.70 1.65 2.27 6.79
SKEW 1.44 1.22 1.03 2.38 4.08 3.47 5.28 7.80 4.85 2.86 2.63 1.18 0.66
MAX 14.94 13.68 8.37 7.53 3.57 0.98 0.18 2.26 5.67 4.56 9.68 10.23 34.04
MIN 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 4.08
NO YRS 106 105 104 103 103 105 106 104 105 105 105 106 99