OAKLAND, OREGON

Monthly Total Precipitation (inches)

(356200)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201302
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
1978 0.00 z 0.00 z 1.80 4.36 2.24 0.66 0.46 2.26 3.21 0.90 3.07 2.95 21.91
1979 4.01 7.76 3.35 5.43 2.02 0.63 0.41 1.40 1.84 5.48 5.85 5.59 43.77
1980 5.53 3.37 4.34 4.57 1.12 1.42 0.18 0.00 0.82 1.82 4.53 11.33 39.03
1981 2.61 3.86 3.98 2.28 2.26 1.45 0.02 0.02 2.94 4.73 7.58 14.09 45.82
1982 7.77 4.15 3.86 4.26 b 0.36 1.69 e 0.41 0.71 3.75 b 5.21 4.97 b 9.68 c 46.82
1983 4.73 h 10.28 k 9.12 m 2.97 m 3.45 f 1.14 2.11 2.14 1.27 1.52 10.51 7.02 25.71
1984 1.42 8.08 4.40 4.11 2.08 2.39 0.51 0.06 0.17 4.35 14.60 3.67 45.84
1985 0.69 4.13 4.99 1.29 1.22 1.40 0.64 0.26 1.28 3.33 5.94 2.99 28.16
1986 5.95 10.61 3.30 1.93 2.81 0.37 0.38 0.00 4.15 2.64 8.39 2.32 42.85
1987 6.38 4.98 2.90 1.28 1.24 0.09 3.43 0.13 0.01 0.03 3.60 9.97 34.04
1988 7.50 0.82 2.95 2.51 3.34 2.43 0.00 0.00 1.41 0.27 11.15 4.57 36.95
1989 6.52 2.32 6.01 2.26 1.93 0.59 0.65 1.80 0.55 2.47 3.17 1.05 29.32
1990 8.63 4.74 2.08 1.27 2.49 1.29 0.50 1.89 0.03 4.53 5.59 2.49 35.53
1991 2.85 3.25 5.63 2.93 a 3.40 0.86 0.61 0.47 0.00 2.68 7.64 4.14 34.46
1992 2.91 2.28 1.93 5.64 0.00 z 3.52 1.02 0.00 0.49 2.44 5.46 b 9.74 35.43
1993 5.43 3.38 3.94 8.45 5.04 1.46 1.36 1.92 0.00 1.10 1.59 5.25 38.92
1994 5.12 3.79 3.08 1.75 1.33 0.93 0.00 0.00 1.05 2.11 6.06 4.13 29.35
1995 10.66 a 1.77 4.04 4.65 1.85 2.46 0.45 a 0.07 1.25 2.07 a 7.27 10.40 46.94
1996 10.55 7.06 3.41 5.54 4.88 0.54 0.21 0.00 1.34 4.81 9.99 a 16.81 65.14
1997 6.00 a 3.96 4.43 3.93 1.74 1.89 0.17 a 2.08 2.58 5.27 3.70 a 3.19 a 38.94
1998 7.35 a 6.94 a 6.05 2.45 6.72 0.80 0.00 0.00 0.57 3.85 12.27 8.46 b 55.46
1999 6.33 10.23 3.47 0.91 1.93 0.19 0.01 1.54 0.00 4.34 5.82 4.14 38.91
2000 10.05 5.21 2.28 4.24 2.45 0.41 0.10 0.00 1.50 3.23 3.05 4.28 36.80
2001 2.22 1.57 2.80 1.88 1.32 1.43 0.67 0.03 0.67 2.13 6.85 7.15 28.72
2002 5.86 3.10 2.75 2.07 1.11 0.18 a 0.00 0.07 2.28 0.48 5.06 11.19 34.15
2003 6.73 2.05 3.94 5.81 0.84 0.06 0.00 0.04 1.31 1.15 6.16 0.00 z 28.09
2004 6.27 4.90 1.94 b 2.40 2.83 1.07 0.12 1.41 1.51 3.56 1.96 5.05 33.02
2005 1.69 1.99 4.29 2.59 b 5.57 0.80 0.15 0.12 0.58 2.54 7.97 9.84 38.13
2006 13.80 2.74 4.09 1.87 3.35 0.71 0.00 0.00 0.88 1.46 9.75 8.33 a 46.98
2007 4.26 5.57 2.57 2.55 0.82 0.36 0.63 0.92 1.58 3.93 5.49 8.43 37.11
2008 11.28 3.29 4.74 1.67 0.73 0.68 0.00 0.19 0.05 2.05 5.77 9.07 39.52
2009 2.35 3.48 4.86 1.68 2.08 1.42 0.25 0.00 1.34 4.23 5.47 5.38 32.54
2010 4.44 3.64 6.01 5.29 3.97 2.30 0.00 0.40 1.88 3.43 6.64 7.42 45.42
2011 3.17 4.72 7.37 4.80 3.81 0.69 1.52 0.00 0.37 2.62 4.74 3.20 37.01
2012 6.83 4.28 9.95 3.29 1.56 2.63 0.47 0.00 0.00 4.85 11.85 9.75 55.46
2013 3.14 1.64 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 0.26 z 4.78
Period of Record Statistics
MEAN 5.77 4.28 4.05 3.29 2.44 1.17 0.50 0.57 1.22 2.90 6.56 6.85 40.04
S.D. 3.09 2.34 1.69 1.74 1.50 0.83 0.70 0.79 1.09 1.53 3.02 3.66 8.44
SKEW 0.56 1.11 1.38 0.83 1.09 0.88 2.60 1.05 0.99 -0.06 0.73 0.63 0.99
MAX 13.80 10.61 9.95 8.45 6.72 3.52 3.43 2.26 4.15 5.48 14.60 16.81 65.14
MIN 0.69 0.82 1.80 0.91 0.36 0.06 0.00 0.00 0.00 0.03 1.59 1.05 28.16
NO YRS 34 34 34 34 33 35 35 35 35 35 35 34 31