COTTAGE GROVE DAM, OREGON

Monthly Average Temperature (Degrees Fahrenheit)

(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 ----- z ----- z ----- z ----- z ----- z ----- z 66.17 y 64.39 64.97 55.32 47.13 39.45 54.25
1944 40.55 41.97 44.52 48.57 54.56 59.32 66.15 64.76 64.05 57.27 43.23 37.82 51.90
1945 41.53 42.62 42.02 46.93 56.06 59.82 66.71 66.18 59.77 52.76 44.33 40.95 51.64
1946 38.77 40.54 43.85 49.50 56.10 59.73 66.00 65.63 60.98 47.55 43.00 40.23 50.99
1947 36.55 44.18 47.85 52.58 58.76 59.59 a 65.29 64.56 61.58 54.50 45.93 39.95 52.61
1948 37.76 38.52 43.13 45.90 54.45 63.70 64.32 a 63.61 60.50 a 53.72 a 40.32 35.24 50.10
1949 28.55 a 38.96 45.34 49.70 57.70 a 61.10 a 64.69 65.55 63.13 48.81 49.38 38.55 50.96
1950 31.61 39.52 41.89 47.03 53.23 59.60 64.73 68.16 b 63.91 a 53.61 47.67 46.85 51.48
1951 39.66 41.70 42.52 53.72 56.08 62.92 66.66 64.90 62.72 50.32 44.67 38.42 52.02
1952 37.24 41.69 42.55 50.27 55.21 57.80 65.77 65.85 63.70 56.89 39.37 41.55 51.49
1953 46.10 43.18 43.74 48.98 51.58 55.02 64.66 65.15 62.45 53.79 50.02 42.98 52.30
1954 41.32 44.88 43.15 49.92 55.13 56.55 61.44 60.81 58.55 51.60 49.05 40.47 51.07
1955 38.87 39.48 41.26 44.30 52.31 60.08 61.65 63.71 59.90 53.27 44.22 42.63 50.14
1956 41.16 37.48 43.98 49.47 56.29 58.00 66.15 64.60 62.07 51.32 a 43.60 40.82 51.24
1957 33.16 42.62 46.55 50.92 56.66 61.17 63.52 63.03 63.53 52.05 42.28 42.66 51.51
1958 42.23 47.61 43.31 48.83 60.02 62.32 69.21 69.39 61.25 54.97 46.55 46.27 54.33
1959 43.13 41.18 45.42 50.82 52.45 60.85 66.73 65.40 58.88 54.02 44.83 40.61 52.03
1960 38.56 41.79 47.18 49.63 52.65 61.37 67.31 63.40 60.60 52.98 44.20 39.76 51.62
1961 42.77 45.55 44.68 49.10 54.29 63.33 66.08 68.77 57.72 51.21 41.68 40.74 52.16
1962 36.53 41.70 43.27 51.87 51.34 59.70 64.63 64.45 62.45 52.42 47.10 41.31 51.40
1963 33.40 48.54 44.35 45.80 54.31 58.58 61.02 64.52 64.63 54.11 46.15 40.89 51.36
1964 40.48 40.19 42.58 46.32 50.87 58.12 64.00 63.23 58.27 54.13 42.10 40.73 50.08
1965 40.40 43.14 45.11 49.98 51.40 57.82 65.81 65.52 58.07 55.05 47.10 38.40 51.48
1966 39.32 40.43 44.40 50.80 53.94 59.93 63.82 64.47 61.77 52.06 45.37 42.81 51.59
1967 41.92 42.59 43.60 44.58 54.15 62.22 67.11 70.15 64.27 52.79 46.08 39.31 52.40
1968 40.15 46.90 47.10 47.20 53.63 60.20 65.77 64.19 60.60 51.73 46.03 39.50 51.92
1969 36.23 38.48 44.97 48.30 57.34 61.97 63.37 63.10 60.90 50.34 44.57 42.23 50.98
1970 42.02 44.59 45.29 44.80 53.76 62.65 66.31 65.00 57.10 51.03 45.30 39.10 51.41
1971 38.81 41.50 41.31 47.00 54.24 57.45 65.18 67.63 57.93 48.55 43.12 38.29 50.08
1972 38.11 43.41 47.73 45.72 55.21 60.00 67.77 67.48 58.08 50.98 45.50 35.05 51.25
1973 38.35 44.07 43.06 48.92 56.40 60.38 65.71 62.97 61.27 51.92 42.92 43.69 51.64
1974 36.00 39.89 44.48 a 47.85 52.40 60.48 64.71 66.50 65.03 52.55 45.33 41.61 51.40
1975 41.84 40.89 42.11 43.85 53.23 58.85 65.60 62.21 62.77 52.19 42.20 41.97 50.64
1976 40.39 41.09 42.29 46.18 54.27 56.50 64.61 63.60 62.32 53.98 47.28 37.97 50.87
1977 38.71 45.14 42.95 50.27 51.32 62.08 64.00 70.18 59.63 54.02 45.15 43.56 52.25
1978 42.90 45.45 49.52 48.52 52.23 62.25 65.56 65.60 59.32 55.40 40.72 36.84 52.02
1979 32.19 42.66 48.37 49.98 55.90 61.23 66.73 65.18 64.21 a 56.85 43.65 42.90 52.49
1980 37.23 44.28 45.18 50.88 53.40 57.07 65.24 63.47 61.37 54.89 47.30 42.74 51.92
1981 41.89 43.79 46.06 49.30 54.27 59.88 64.52 68.34 62.55 51.74 46.25 42.60 52.60
1982 37.68 41.12 44.65 46.07 54.02 60.58 63.19 65.44 59.85 52.87 42.65 39.77 50.66
1983 41.85 45.05 47.76 48.13 55.58 58.02 61.89 65.27 58.53 53.40 46.95 37.40 51.65
1984 40.85 43.81 48.05 46.95 52.89 57.32 64.44 64.95 59.63 50.29 43.40 37.37 50.83
1985 36.26 39.54 42.15 52.02 53.87 60.32 68.13 63.66 56.38 50.87 37.03 34.27 49.54
1986 41.79 43.57 a 49.39 46.68 53.56 62.87 61.29 68.45 57.30 53.73 46.15 38.90 51.97
1987 38.73 42.84 45.81 52.02 56.65 61.67 62.21 64.19 60.67 55.76 45.78 38.10 52.03
1988 38.15 42.40 44.42 49.83 51.81 57.28 64.13 62.50 58.60 54.58 42.67 36.85 50.27
1989 37.76 31.62 41.55 50.83 50.90 57.53 59.31 59.39 58.90 49.47 42.07 36.26 47.97
1990 39.58 39.59 47.61 52.50 53.40 59.52 67.71 66.65 63.80 51.21 44.57 32.34 51.54
1991 37.77 48.05 42.97 46.92 51.31 56.55 66.08 66.19 63.57 54.27 46.48 39.95 51.68
1992 42.77 47.33 49.71 53.10 58.90 63.30 65.69 66.81 60.83 54.18 45.17 38.03 53.82
1993 35.42 38.77 48.50 48.77 57.11 58.18 60.27 63.73 62.28 55.76 38.62 39.56 50.58
1994 41.71 40.05 47.52 50.55 56.02 57.73 67.15 65.10 63.85 51.55 40.23 42.06 51.96
1995 42.02 46.75 45.71 48.07 55.55 58.92 66.10 63.40 63.72 52.61 49.57 42.05 52.87
1996 41.60 k 42.33 46.19 50.68 52.42 59.08 68.37 66.76 59.28 52.35 46.28 41.40 a 53.20
1997 40.13 42.18 45.87 48.65 58.79 58.78 65.06 67.10 62.42 51.48 46.38 37.98 52.07
1998 43.97 44.12 45.76 48.80 51.94 59.33 67.34 66.63 63.55 52.06 45.80 38.19 52.29
1999 41.45 c 41.54 42.38 c 47.24 a 50.90 57.86 a 64.02 66.20 c 60.97 a 52.62 a 47.69 a 40.05 a 51.07
2000 38.85 a 43.36 42.97 a 50.67 54.77 61.12 64.02 64.71 b 61.81 c 53.17 b 40.62 b 39.41 b 51.29
2001 39.85 40.35 d 45.75 c 46.69 d 56.48 c 57.68 63.95 66.05 61.83 d 52.02 c 45.96 d 40.25 i 52.42
2002 39.95 43.16 42.50 49.12 52.29 60.27 d 66.48 65.29 61.75 50.84 45.00 42.24 51.57
2003 44.24 41.64 47.74 47.32 54.88 g 61.52 68.31 67.08 63.80 g 56.79 c 42.60 e 41.70 h 53.03
2004 42.00 f 43.40 48.94 d 50.73 d 55.82 60.43 67.10 67.77 59.03 53.52 g 43.52 f 42.31 g 56.65
2005 41.50 f 41.98 d 47.96 f 49.20 g 57.08 f 57.05 66.63 67.22 h 60.02 h 54.00 g 43.41 h 39.67 m 55.22
2006 42.86 f 41.45 i 45.00 q 49.88 n 56.87 h 60.92 k 67.26 h 63.38 k 61.73 q 50.89 c 51.64 w ----- z 50.89
2007 39.59 n 42.38 48.65 48.98 53.90 e 59.22 a 67.53 64.60 59.62 b 50.52 42.85 40.10 b 52.58
2008 35.89 m 42.33 h ----- z ----- z 55.57 d 57.55 ----- z 66.66 62.30 e 51.25 c 46.60 37.76 b 53.96
2009 38.63 42.71 42.21 48.43 i 55.76 61.27 68.74 66.92 63.50 a 51.07 a 43.83 34.68 51.76
2010 44.53 45.18 45.58 47.53 a 51.84 57.63 65.55 65.95 62.05 53.13 44.98 42.53 k 53.09
2011 43.40 e 40.04 a 45.61 46.76 a 50.15 57.93 62.18 65.63 64.68 53.21 44.38 37.19 50.93
2012 40.68 41.79 42.44 50.16 a 53.11 57.50 b 63.74 67.03 61.90 54.03 b 48.13 40.63 51.76
2013 37.31 42.09 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 39.70
Period of Record Statistics
MEAN 39.40 42.37 44.92 48.77 54.28 59.61 65.15 65.38 61.27 52.77 44.67 39.84 51.49
S.D. 3.25 2.76 2.32 2.22 2.22 1.99 2.10 2.01 2.21 2.03 2.63 2.72 0.97
SKEW -0.83 -0.49 0.35 -0.07 0.34 0.12 -0.58 0.02 -0.22 0.00 -0.47 -0.14 -0.28
MAX 46.10 48.54 49.71 53.72 60.02 63.70 69.21 70.18 65.03 57.27 50.02 46.85 54.33
MIN 28.55 31.62 41.26 43.85 50.15 55.02 59.31 59.39 56.38 47.55 37.03 32.34 47.97
NO YRS 64 68 66 65 66 68 67 68 67 68 67 64 59