DETROIT DAM, OREGON

Monthly Total Precipitation (inches)

(352292)

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
1954 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 4.40 q 11.05 a 11.05
1955 7.13 6.50 14.04 10.00 4.05 2.15 2.07 0.00 3.45 12.85 16.65 a 24.31 103.20
1956 18.35 10.94 11.55 3.09 4.09 a 3.81 0.21 1.49 1.16 13.15 4.18 12.82 84.84
1957 5.31 11.63 12.13 a 6.21 4.76 3.60 0.85 1.08 1.12 6.31 6.90 21.44 81.34
1958 15.30 11.48 3.81 10.78 2.03 5.94 0.02 0.42 2.74 4.18 19.26 10.76 86.72
1959 17.75 8.34 9.99 4.06 6.10 2.93 0.76 0.14 9.41 8.46 7.01 5.36 80.31
1960 6.05 11.65 13.52 8.45 11.01 1.63 0.03 2.54 1.43 a 6.59 23.44 6.28 92.62
1961 8.79 22.76 13.77 4.44 4.59 0.94 0.31 1.03 6.68 8.54 11.49 14.60 97.94
1962 5.25 6.89 12.02 10.10 6.22 1.73 0.01 1.89 4.33 9.10 a 14.95 8.04 80.53
1963 3.31 13.13 10.53 8.02 6.60 4.20 2.26 0.37 2.83 5.19 16.14 7.07 79.65
1964 21.62 3.98 9.63 6.14 3.17 4.49 0.92 2.79 2.02 2.82 11.71 31.10 100.39
1965 21.22 6.07 1.76 5.70 3.97 0.64 0.28 2.32 0.36 4.81 10.99 11.85 69.97
1966 17.13 6.26 11.86 2.96 2.10 2.41 1.87 0.22 1.68 6.50 14.37 13.55 80.91
1967 18.01 4.45 7.30 5.31 2.30 1.11 0.00 0.06 2.11 14.94 6.48 11.67 73.74
1968 10.32 14.50 6.32 4.07 6.34 2.81 0.63 7.86 3.95 10.97 14.97 18.20 100.94
1969 18.05 5.33 5.99 5.86 4.57 8.26 0.15 0.08 3.91 7.29 5.06 15.62 80.17
1970 24.19 8.80 7.98 10.88 2.97 2.12 0.09 0.26 4.95 6.74 16.25 16.57 101.80
1971 16.09 7.41 13.21 6.56 3.56 3.31 0.71 1.22 8.18 7.07 17.00 16.20 100.52
1972 20.77 13.75 14.60 10.36 4.48 1.17 0.07 0.80 5.15 2.56 9.34 17.28 100.33
1973 10.11 3.68 6.70 4.15 2.90 3.93 0.02 0.96 6.15 6.27 29.01 20.61 94.49
1974 20.88 14.13 13.21 7.41 5.41 2.61 0.96 0.75 0.14 2.07 11.14 17.49 96.20
1975 15.17 11.33 11.02 4.42 4.40 1.79 0.63 3.37 0.01 12.27 11.34 17.97 93.72
1976 13.77 11.57 8.44 6.39 3.62 2.18 1.46 2.95 1.08 2.66 2.86 3.56 60.54
1977 1.98 5.19 12.15 3.07 10.55 1.28 0.45 3.33 6.40 6.04 16.57 20.85 87.86
1978 9.25 6.92 2.91 7.71 5.97 3.19 1.13 4.66 5.01 1.06 7.31 11.62 66.74
1979 4.10 17.74 6.38 9.60 4.59 1.25 0.74 2.26 2.72 9.69 8.17 9.98 77.22
1980 14.35 7.92 9.38 5.26 3.86 3.50 0.06 0.65 2.89 2.54 12.39 17.12 79.92
1981 3.68 10.45 6.47 6.54 5.61 8.49 1.28 0.09 5.16 7.97 9.42 26.75 91.91
1982 11.63 14.66 6.88 9.22 1.35 3.08 0.82 1.49 5.85 9.03 10.22 17.50 91.73
1983 15.06 16.01 15.89 4.53 5.63 5.70 5.03 2.31 1.24 2.64 17.05 13.33 104.42
1984 8.96 12.07 11.13 7.51 10.62 9.35 0.03 0.12 4.76 9.93 22.57 12.06 109.11
1985 0.43 9.77 8.55 4.21 3.43 4.51 0.35 0.82 6.26 11.45 11.39 3.70 64.87
1986 12.94 19.36 7.50 6.99 4.96 1.46 1.70 0.17 8.88 3.57 18.99 5.24 91.76
1987 11.09 10.01 9.43 4.64 4.56 1.14 2.81 0.40 0.95 0.09 7.60 18.11 70.83
1988 14.73 4.87 11.89 8.42 7.25 4.04 0.63 0.00 2.75 1.09 26.10 8.95 90.72
1989 11.63 5.15 15.08 4.85 4.97 1.71 0.63 3.32 0.22 5.43 0.00 z 4.91 57.90
1990 19.27 13.07 4.52 10.76 5.51 5.56 0.85 1.36 0.32 12.19 12.11 7.83 a 93.35
1991 6.16 9.03 10.06 9.99 9.03 2.81 0.38 1.43 0.17 5.55 19.54 9.22 83.37
1992 9.83 8.70 2.38 11.54 0.99 1.99 0.91 0.55 3.90 4.42 16.18 14.87 76.26
1993 8.08 2.47 13.90 14.47 7.18 5.71 3.45 0.66 0.00 3.31 4.01 11.09 74.33
1994 10.89 9.32 6.48 6.69 4.06 4.32 0.39 0.05 1.76 10.23 19.56 12.46 86.21
1995 16.71 11.93 10.55 8.87 5.28 6.01 1.49 1.95 3.58 7.93 21.68 18.95 114.93
1996 18.91 21.17 4.10 13.38 9.45 1.93 0.69 0.59 4.72 11.59 18.95 33.13 138.61
1997 15.24 8.72 15.90 9.73 3.36 4.06 2.28 1.54 6.28 13.87 6.41 7.15 94.54
1998 18.55 10.40 8.13 5.02 9.19 2.75 0.44 0.53 2.34 6.54 19.88 23.83 107.60
1999 16.50 20.76 9.58 3.06 7.38 3.47 0.55 2.09 0.26 5.41 18.72 14.63 102.41
2000 16.97 12.40 7.12 3.80 7.71 2.91 0.39 0.13 1.37 7.89 7.55 8.65 76.89
2001 4.28 3.02 7.63 6.38 7.15 4.89 0.74 0.90 0.91 8.80 16.25 20.73 81.68
2002 17.99 6.16 11.09 7.87 3.53 2.70 0.31 0.40 2.00 1.27 7.27 17.72 78.31
2003 15.16 9.86 19.33 10.79 3.91 1.07 0.05 0.47 2.67 6.25 10.95 18.09 98.60
2004 16.39 9.34 6.20 4.35 7.24 3.52 0.06 5.15 5.12 8.20 5.09 9.07 79.73
2005 5.85 3.20 10.98 8.45 7.38 6.94 0.81 0.51 1.37 6.63 14.95 19.92 86.99
2006 27.61 6.41 7.93 6.80 4.35 3.64 0.05 0.45 1.66 3.28 28.66 a 17.87 108.71
2007 10.05 14.39 7.55 5.93 3.15 0.00 z 0.90 1.19 1.46 10.55 11.30 19.37 85.84
2008 14.10 a 7.01 12.47 9.05 5.38 4.83 0.10 2.58 0.48 5.60 11.93 14.63 88.16
2009 10.82 7.34 a 11.55 b 9.44 9.52 1.36 0.14 0.00 z 2.56 9.44 12.45 9.08 83.70
2010 0.00 z 6.01 11.81 11.05 8.64 9.09 0.52 0.15 4.56 8.07 12.21 17.86 89.97
2011 11.38 8.22 17.68 12.81 7.09 3.09 1.01 0.00 0.52 5.58 13.27 11.64 92.29
2012 19.58 9.20 20.85 9.45 8.08 8.80 0.57 0.04 0.07 12.30 15.69 19.51 124.14
2013 10.15 6.51 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 16.66
Period of Record Statistics
MEAN 13.01 9.82 10.01 7.37 5.47 3.58 0.81 1.31 3.00 7.01 13.56 14.59 89.91
S.D. 5.98 4.61 4.04 2.85 2.38 2.20 0.93 1.49 2.40 3.59 6.10 6.38 14.71
SKEW -0.04 0.83 0.28 0.36 0.49 1.06 2.33 2.05 0.74 0.15 0.48 0.52 0.68
MAX 27.61 22.76 20.85 14.47 11.01 9.35 5.03 7.86 9.41 14.94 29.01 33.13 138.61
MIN 0.43 2.47 1.76 2.96 0.99 0.64 0.00 0.00 0.00 0.09 2.86 3.56 60.54
NO YRS 58 59 58 58 58 57 58 57 58 58 57 59 54