COTTAGE GROVE DAM, OREGON

Monthly Total Precipitation (inches)

(351902)

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
1943 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 y 1.83 0.16 5.44 4.15 2.29 13.87
1944 3.20 5.15 2.06 4.39 1.40 1.05 0.05 0.00 1.32 1.54 4.89 2.26 27.31
1945 4.38 6.84 6.90 4.42 3.20 0.47 0.24 0.38 1.96 1.80 11.66 9.29 51.54
1946 8.13 4.63 6.59 1.57 2.31 1.33 0.51 0.29 1.12 4.88 9.35 5.03 45.74
1947 3.87 3.36 7.75 3.07 0.86 4.93 a 3.34 0.72 1.20 10.54 4.46 3.64 47.74
1948 8.47 8.23 4.84 4.10 3.12 1.70 0.54 0.64 3.18 1.74 6.84 8.63 52.03
1949 1.61 a 7.30 4.82 1.26 1.57 0.88 0.00 0.11 1.67 2.86 5.42 5.23 32.73
1950 14.47 4.67 6.99 2.56 1.66 2.80 0.17 0.42 1.17 16.26 8.28 5.72 65.17
1951 9.68 6.72 4.51 0.92 1.84 0.00 0.02 0.19 0.53 8.02 8.22 9.85 50.50
1952 6.13 5.04 4.81 1.61 1.07 4.89 0.00 0.02 1.35 0.51 1.64 10.07 37.14
1953 10.57 6.82 5.14 3.16 5.11 1.68 0.00 1.63 0.74 4.32 10.45 8.47 58.09
1954 11.09 3.50 2.90 3.58 1.29 2.56 0.43 2.14 1.14 3.45 3.35 a 6.11 41.54
1955 4.45 2.45 6.32 6.41 1.51 1.18 0.65 0.00 1.70 5.53 8.29 18.38 56.87
1956 10.01 a 6.95 4.25 1.63 3.65 2.29 0.00 0.41 0.50 9.19 1.70 4.80 45.38
1957 3.39 7.29 10.47 2.84 4.04 0.74 0.28 0.45 1.20 3.75 3.25 11.87 49.57
1958 7.88 10.02 2.76 3.01 2.20 5.07 0.22 0.15 0.79 2.15 9.18 4.22 47.65
1959 10.37 6.07 4.85 0.99 3.66 1.29 0.19 0.02 1.65 2.93 1.84 4.23 38.09
1960 4.97 7.43 11.20 4.83 6.66 0.19 0.01 0.46 1.30 4.05 12.38 3.73 57.21
1961 3.94 15.23 9.47 2.08 3.12 0.89 0.57 0.14 2.31 5.29 11.22 7.80 62.06
1962 2.04 3.43 8.06 3.37 3.54 0.88 0.01 1.45 1.45 6.41 7.13 4.98 42.75
1963 1.44 6.58 7.04 7.28 5.34 2.83 0.78 0.00 1.76 3.37 8.53 4.30 49.25
1964 14.01 1.90 5.63 2.10 1.45 2.48 0.52 0.72 0.49 1.17 9.98 18.25 58.70
1965 7.55 2.38 1.13 5.16 1.62 0.47 0.24 1.75 0.08 2.78 5.92 6.46 35.54
1966 10.18 2.55 6.92 1.30 0.96 1.11 1.28 0.00 1.52 3.43 9.84 7.26 46.35
1967 7.38 2.15 4.26 3.80 2.43 0.39 0.00 0.00 2.27 6.57 3.47 5.97 38.69
1968 5.81 5.68 3.80 1.90 4.12 1.32 0.20 6.55 2.15 5.51 8.05 9.70 54.79
1969 9.22 3.82 2.29 3.28 3.32 3.43 0.05 0.00 1.74 5.58 2.75 11.35 46.83
1970 12.73 2.90 3.49 4.19 1.41 0.91 0.05 0.01 1.69 4.94 8.92 9.68 50.92
1971 8.45 5.31 7.58 4.15 3.15 2.99 0.20 0.63 3.80 2.66 9.35 6.99 55.26
1972 11.17 6.50 7.85 6.16 2.16 1.66 0.12 0.86 1.89 2.46 4.10 7.24 52.17
1973 5.01 1.94 4.92 2.45 1.22 1.18 0.01 0.63 3.59 2.46 18.69 10.48 52.58
1974 8.99 7.08 9.00 4.42 1.77 0.77 0.41 0.23 0.17 1.96 5.83 7.85 48.48
1975 7.28 7.47 6.89 4.14 2.24 1.16 1.05 1.69 0.07 6.18 6.73 8.66 53.56
1976 8.59 5.90 5.70 3.49 1.61 0.65 0.90 3.04 1.40 1.69 1.87 1.39 36.23
1977 1.32 3.34 6.12 1.73 4.76 0.62 0.15 2.27 2.77 3.51 8.08 10.76 45.43
1978 6.03 5.10 1.79 4.68 3.04 0.78 1.00 2.29 3.95 0.56 3.97 4.17 37.36
1979 3.72 8.04 3.41 6.18 2.62 0.75 0.28 1.73 2.68 6.14 5.99 5.49 47.03
1980 8.56 3.70 4.70 4.86 2.33 2.08 0.67 0.03 0.83 2.21 7.16 11.73 48.86
1981 2.44 4.49 4.07 2.95 3.28 3.12 0.08 0.02 2.86 5.10 8.04 15.72 52.17
1982 8.75 6.00 4.51 4.90 0.71 2.13 0.68 0.83 2.72 6.34 4.72 9.06 51.35
1983 4.40 9.26 8.82 3.85 1.92 2.02 1.88 1.68 1.11 1.97 12.39 a 6.76 56.06
1984 1.95 8.31 5.77 5.82 4.21 3.21 0.10 0.15 0.80 5.96 15.89 4.50 56.67
1985 0.73 5.38 4.73 2.18 2.10 2.08 0.10 0.58 2.06 5.28 5.26 3.60 34.08
1986 9.54 11.59 4.89 2.77 4.31 0.67 0.82 0.00 5.03 3.09 8.95 3.21 54.87
1987 6.99 4.83 3.36 1.77 1.74 0.35 3.80 0.14 0.15 0.08 4.60 11.55 39.36
1988 9.33 1.22 5.30 5.52 4.73 2.30 0.17 0.01 1.58 0.50 13.85 4.46 48.97
1989 5.94 3.27 9.44 2.70 2.89 1.29 0.38 2.82 0.35 3.20 4.72 1.75 38.75
1990 9.58 5.42 3.01 4.06 3.12 1.44 0.70 2.51 0.74 6.66 7.48 4.13 48.85
1991 3.51 3.63 8.76 4.98 5.76 0.88 0.54 0.42 0.23 3.30 9.76 4.24 46.01
1992 3.44 a 4.98 2.30 7.54 0.69 2.30 1.32 0.09 1.67 3.60 5.85 10.87 44.65
1993 5.23 3.69 6.13 8.33 6.12 4.54 2.37 1.79 a 0.02 0.94 1.91 7.39 48.46
1994 4.27 4.10 5.12 3.65 1.85 1.76 0.27 0.00 1.25 2.41 9.08 5.39 39.15
1995 11.02 4.43 4.72 6.17 2.91 3.80 0.87 0.54 1.93 a 3.13 8.19 12.19 59.90
1996 13.06 b 10.39 a 2.63 6.52 5.82 1.01 0.53 0.03 2.10 8.17 12.95 17.21 b 80.42
1997 6.91 a 4.92 7.34 3.81 a 2.60 1.75 0.70 1.83 3.34 8.00 d 3.68 3.68 48.56
1998 8.83 6.77 a 6.28 2.93 7.56 a 1.14 0.20 0.00 0.58 3.84 b 13.77 c 12.08 a 63.98
1999 9.70 b 11.52 5.58 b 2.35 3.65 0.75 0.04 2.29 0.03 4.32 a 7.34 a 5.06 52.63
2000 11.81 a 6.47 3.57 a 4.66 3.58 0.91 0.18 0.00 0.69 a 4.21 a 2.94 a 6.09 a 45.11
2001 2.34 2.31 c 3.07 b 3.23 d 2.29 b 1.65 0.63 0.72 0.49 a 5.07 b 9.60 b 7.99 e 39.39
2002 8.60 e 3.98 a 4.64 a 3.54 2.17 0.83 0.00 0.19 2.39 a 1.27 5.54 a 11.25 h 33.15
2003 8.42 b 5.04 a 6.54 b 7.58 d 1.87 e 0.18 0.00 0.29 1.62 a 1.78 b 6.04 b 10.06 g 39.36
2004 6.50 d 4.41 b 2.68 2.62 3.21 c 1.57 0.13 1.39 2.24 c 3.98 f 2.17 c 6.71 g 26.92
2005 1.82 e 2.61 d 5.20 d 3.31 e 5.53 f 1.53 c 0.22 0.12 0.73 d 3.67 e 7.61 g 9.32 m 19.21
2006 14.18 e 4.21 c 5.49 h 3.28 g 3.89 c 1.89 e 0.10 a 0.00 0.93 e 1.09 b 12.92 a 3.77 n 39.21
2007 0.00 z 6.54 e 3.78 h 3.58 e 1.10 d 0.89 0.50 0.77 0.05 5.70 6.33 b 7.22 j 25.46
2008 7.03 i 2.77 d 0.00 z 0.00 z 1.20 0.95 0.00 z 0.94 0.47 c 2.17 c 2.41 a 4.14 c 15.05
2009 2.06 d 4.30 f 6.32 f 3.26 g 2.11 1.67 a 0.15 0.05 1.04 3.55 g 3.48 3.21 a 13.77
2010 3.84 b 3.26 5.44 g 5.50 l 4.05 c 3.69 0.03 a 0.57 2.11 4.03 e 6.99 i 4.93 f 21.58
2011 3.92 4.28 7.16 d 6.85 3.85 1.65 2.25 0.00 0.76 3.27 4.60 l 4.17 b 38.16
2012 7.11 5.00 g 10.35 a 6.39 g 3.79 h 3.68 b 0.77 0.02 0.00 c 5.01 o 7.12 a 8.88 a 37.93
2013 3.59 2.37 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 5.96
Period of Record Statistics
MEAN 6.85 5.38 5.52 3.83 2.88 1.71 0.52 0.78 1.45 4.06 7.16 7.33 48.56
S.D. 3.54 2.61 2.28 1.77 1.52 1.20 0.73 1.08 1.06 2.68 3.70 3.91 9.13
SKEW 0.19 1.16 0.42 0.55 0.89 1.15 2.66 2.61 0.91 1.66 0.65 0.98 0.47
MAX 14.47 15.23 11.20 8.33 7.56 5.07 3.80 6.55 5.03 16.26 18.69 18.38 80.42
MIN 0.73 1.22 1.13 0.92 0.69 0.00 0.00 0.00 0.00 0.08 1.64 1.39 27.31
NO YRS 68 68 64 64 67 69 68 70 70 67 67 63 58