OAK KNOLL RANGER STN, CALIFORNIA

Monthly Total Precipitation (inches)

(046328)

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
1943 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 0.00 z 1.11 0.45 1.56
1944 2.87 7.06 n 1.58 1.03 t 0.32 0.68 2.18 0.25 0.27 0.56 4.20 1.54 14.45
1945 1.36 v 4.25 r 3.87 0.74 2.80 0.00 0.17 0.26 0.16 0.00 z 5.12 6.59 19.71
1946 3.11 2.24 1.22 0.18 0.62 0.67 0.64 0.00 0.13 1.46 5.05 1.27 t 15.32
1947 2.16 1.45 2.57 0.72 0.37 1.47 t 0.75 0.39 0.13 3.11 r 1.01 1.07 10.62
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.37 0.68 0.69 0.71 3.16 4.96 10.57
1949 0.60 3.47 0.91 0.10 2.22 0.31 0.01 0.02 0.24 1.03 1.64 1.76 12.31
1950 7.27 1.53 4.16 0.76 0.63 1.71 0.00 0.30 0.37 8.41 2.78 5.00 32.92
1951 4.92 3.58 0.30 1.32 0.20 0.00 0.00 0.04 0.02 2.93 4.58 8.30 26.19
1952 4.76 2.83 2.64 0.70 0.77 1.38 0.34 0.19 0.53 0.36 1.44 7.27 23.21
1953 8.07 2.10 2.74 2.19 3.55 1.42 0.00 0.80 0.16 1.63 4.60 2.76 30.02
1954 9.54 2.43 1.68 1.54 0.00 1.06 0.00 1.01 0.71 0.51 1.06 3.70 23.24
1955 1.25 0.75 0.96 0.92 0.14 0.00 0.00 0.30 0.64 1.39 4.51 c 10.40 21.26
1956 10.51 4.94 0.82 0.15 2.03 0.89 0.73 0.54 0.69 4.68 0.38 1.41 27.77
1957 3.10 3.34 5.89 0.62 0.98 0.00 0.10 0.02 2.11 2.67 c 4.46 7.45 30.74
1958 6.97 6.61 2.30 1.15 0.77 2.75 0.57 0.85 0.23 0.65 1.99 2.27 27.11
1959 4.09 3.07 2.14 0.10 0.76 0.02 0.00 0.41 0.60 0.27 0.06 1.55 13.07
1960 2.97 6.78 4.53 a 0.99 a 1.46 0.07 0.21 0.00 0.00 a 0.53 5.75 3.02 26.31
1961 1.75 4.55 4.06 0.66 1.48 0.31 0.30 0.44 1.89 2.06 3.86 3.61 24.97
1962 2.24 2.44 2.73 1.08 1.84 0.00 0.61 a 1.06 0.91 8.46 4.30 4.50 30.17
1963 1.65 4.26 2.89 3.92 1.22 0.29 0.15 0.08 0.33 1.90 6.37 1.80 24.86
1964 6.82 0.73 2.34 0.41 0.64 0.95 0.20 0.08 0.05 0.61 3.85 17.71 34.39
1965 6.82 1.02 0.17 3.53 0.38 0.46 0.33 2.63 0.00 0.32 3.16 4.28 23.10
1966 7.02 1.57 2.75 0.77 0.59 0.66 0.20 0.25 0.00 z 0.41 5.16 4.89 24.27
1967 7.44 1.06 2.80 2.80 0.39 0.81 0.00 0.11 0.43 2.05 1.78 5.49 25.16
1968 3.70 3.70 1.94 0.20 0.69 0.23 0.00 0.97 0.37 1.63 4.36 7.67 25.46
1969 9.30 2.05 0.73 1.46 0.99 2.43 0.22 0.00 0.01 1.98 0.80 8.13 28.10
1970 10.77 1.58 S 2.43 0.68 0.29 0.44 0.09 0.00 0.00 z 2.25 9.47 6.60 34.60
1971 4.56 1.13 6.36 1.22 1.66 0.42 0.00 0.05 1.42 0.97 5.81 4.29 27.89
1972 6.54 3.64 4.30 1.71 0.87 1.19 a 0.00 0.00 z 0.00 z 0.48 0.00 z 0.00 z 18.73
1973 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 0.00 z 0.00 z 0.00 z 0.00
1974 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 0.00 z 0.00 z 0.00 z 0.00
1975 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 0.00 z 0.00 z 0.00 z 0.00
1976 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 0.00 z 0.00 z 0.00 z 0.00
1977 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 0.00 z 0.00 z 0.00 z 0.00
1978 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 0.00 z 0.00 z 0.00 z 0.00
1979 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 0.00 z 0.00 z 0.00 z 0.00
1980 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 0.00 z 0.00 z 0.00 z 0.00
1981 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 0.00 z 0.00 z 0.00 z 0.00
1982 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 0.00 z 0.00 z 0.00 z 0.00
1983 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 0.00 z 0.00 z 0.00 z 0.00
1984 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 0.00 z 0.00 z 0.00 z 0.00
1985 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 0.00 z 0.00 z 0.00 z 0.00
1986 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 0.00 z 0.00 z 0.00 z 0.00
1987 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 0.00 z 0.00 z 0.00 z 0.00
1988 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 0.00 z 0.00 z 0.00 z 0.00
1989 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 0.00 z 0.00 z 0.00 z 0.00
1990 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 0.00 z 0.00 z 0.00 z 0.00
1991 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 0.00 z 0.00 z 0.00 z 0.00
1992 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 0.00 z 0.00 z 0.00 z 0.00
1993 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 0.00 z 0.00 z 0.00 z 0.00
1994 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 0.00 z 0.00 z 0.00 z 0.00
1995 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 0.00 z 0.00 z 0.00 z 0.00
1996 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 0.00 z 0.00 z 0.00 z 0.00
1997 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 0.00 z 0.00 z 0.00 z 0.00
1998 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1.02 0.00 z 0.00 z 0.00 0.00 z 11.06 a 1.78 13.86
1999 5.03 7.35 1.26 0.36 0.20 0.00 0.00 1.81 0.00 2.00 2.54 1.46 22.01
2000 6.33 4.42 1.15 1.79 0.60 0.50 0.24 0.00 0.15 1.49 0.98 1.41 19.06
2001 1.08 0.76 1.50 1.03 0.54 0.28 1.54 0.00 0.62 0.19 3.93 3.44 14.91
2002 2.53 2.27 0.93 2.10 0.28 0.40 0.36 0.00 0.00 0.01 3.11 8.51 20.50
2003 2.59 1.12 3.57 2.55 0.32 0.00 0.03 1.02 0.14 0.02 1.19 4.89 17.44
2004 5.76 4.31 1.78 0.97 b 1.68 0.12 0.45 0.28 0.10 4.37 1.19 5.15 26.16
2005 2.18 0.41 1.79 2.30 2.60 0.37 0.00 0.00 0.02 0.28 6.72 a 10.58 27.25
2006 0.00 z 2.40 2.66 1.30 0.00 z 1.03 0.11 0.07 0.00 z 0.00 z 5.23 0.00 z 12.80
2007 0.00 z 5.09 0.41 1.01 0.50 0.24 1.36 0.11 a 0.18 0.00 z 1.74 4.98 a 15.62
2008 6.96 1.96 0.93 0.52 1.01 0.02 0.00 0.12 0.00 0.43 2.27 0.51 i 14.22
2009 4.11 d 1.85 1.98 0.19 1.74 1.15 0.00 1.23 0.03 1.33 1.25 2.69 17.55
2010 3.02 1.68 3.49 a 3.92 1.01 d 1.01 0.02 0.01 0.62 3.12 2.45 5.94 26.29
2011 1.18 a 1.06 a 3.60 d 1.41 a 1.92 c 1.29 0.29 0.01 0.07 h 1.28 v 1.21 a 1.35 a 13.32
2012 5.23 1.78 3.87 S 1.52 p 0.20 0.65 0.07 0.09 0.00 1.01 1.86 S 5.21 z 14.76
2013 1.03 0.31 p 0.82 x 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 1.03
Period of Record Statistics
MEAN 4.70 2.73 2.40 1.25 1.01 0.65 0.29 0.39 0.38 1.71 3.38 4.77 24.31
S.D. 2.79 1.75 1.45 1.00 0.82 0.64 0.45 0.55 0.50 1.96 2.34 3.39 5.48
SKEW 0.46 0.96 0.70 1.23 1.20 1.35 2.50 2.16 2.02 2.26 1.10 1.52 -0.50
MAX 10.77 7.35 6.36 3.92 3.55 2.75 2.18 2.63 2.11 8.46 11.06 17.71 34.39
MIN 0.60 0.41 0.17 0.10 0.00 0.00 0.00 0.00 0.00 0.01 0.06 0.45 12.31
NO YRS 40 40 42 40 41 42 43 42 39 38 44 40 30