DETROIT DAM, OREGON

Monthly Average Temperature (Degrees Fahrenheit)

(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 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 48.73 q 38.27 38.27
1955 35.73 37.32 38.48 42.00 50.29 58.72 60.73 65.47 60.80 52.65 39.21 a 39.03 48.37
1956 37.69 34.62 38.90 48.53 55.35 a 57.07 68.05 64.56 62.22 49.84 43.08 39.32 49.94
1957 31.05 39.30 42.63 48.65 56.18 61.37 64.24 63.35 65.45 51.66 42.52 40.47 50.57
1958 40.02 44.59 42.60 46.93 60.45 63.12 70.45 70.50 61.08 56.03 44.02 43.97 53.65
1959 40.50 39.25 43.31 49.60 50.87 59.65 67.55 65.74 57.90 54.02 45.03 40.23 51.14
1960 34.69 40.09 43.15 47.50 50.47 62.13 69.53 63.37 61.33 a 54.03 44.05 40.03 50.86
1961 43.06 42.36 42.68 47.30 52.94 64.77 67.60 70.55 58.13 51.13 41.90 38.03 51.70
1962 36.13 40.11 40.13 49.87 48.65 59.97 65.60 63.82 62.83 53.13 45.73 41.89 50.65
1963 34.29 46.64 43.24 44.18 54.84 57.75 61.03 64.89 65.05 53.92 44.78 40.10 50.89
1964 38.40 39.53 41.05 44.85 50.65 57.30 64.63 63.08 58.80 54.52 41.60 38.27 49.39
1965 37.94 40.95 45.87 49.52 51.15 59.03 67.84 66.26 59.73 55.92 46.80 37.34 51.53
1966 37.60 40.04 42.98 50.47 55.53 59.27 63.94 66.50 62.88 53.24 46.17 40.53 51.60
1967 40.77 41.77 41.73 43.60 55.10 62.85 68.60 72.81 66.93 52.73 47.07 37.11 52.59
1968 36.58 46.72 46.50 46.28 53.32 60.27 67.26 64.31 61.78 51.35 45.27 36.40 51.34
1969 32.23 37.48 44.21 47.42 57.79 62.43 64.90 64.21 61.58 50.37 46.33 42.26 50.93
1970 40.21 44.59 44.39 43.87 54.69 64.35 67.98 67.32 57.50 52.15 45.90 37.47 51.70
1971 36.08 39.34 39.35 45.53 53.24 55.98 65.81 68.82 58.62 49.69 42.32 37.00 49.32
1972 35.10 40.29 44.02 44.50 55.61 60.08 67.89 68.39 58.33 52.23 45.25 35.13 50.57
1973 35.68 43.64 42.47 47.97 55.89 59.30 66.18 63.39 61.18 51.10 40.69 a 41.66 50.76
1974 35.18 38.98 42.50 46.47 50.85 60.70 64.24 66.48 66.75 54.95 45.23 41.47 51.15
1975 39.85 39.23 40.97 42.95 51.98 57.08 64.87 62.48 64.73 51.68 42.08 40.76 49.89
1976 39.13 38.69 40.18 46.00 53.94 55.98 63.50 62.56 62.30 53.94 48.17 40.66 50.42
1977 37.56 43.52 41.16 50.23 49.19 61.62 62.85 69.69 58.08 53.52 42.25 42.32 51.00
1978 41.63 43.21 48.34 47.05 51.11 61.30 65.87 64.31 58.07 55.55 39.65 35.39 50.96
1979 32.40 37.36 46.16 47.00 55.24 60.23 66.32 64.65 64.07 55.84 43.35 42.84 51.29
1980 36.84 43.16 42.73 49.48 51.85 55.38 65.16 62.13 59.90 54.76 46.42 41.19 50.75
1981 42.68 42.43 45.08 47.62 51.55 56.82 62.50 68.15 61.33 50.69 45.45 40.29 51.22
1982 36.21 39.30 43.05 45.42 53.77 60.58 63.00 64.79 59.63 52.31 42.08 39.65 49.98
1983 41.19 42.95 45.90 48.10 56.48 57.07 60.61 65.74 59.27 53.13 45.62 34.60 50.89
1984 39.58 41.43 46.66 45.20 51.21 56.93 65.81 65.68 60.27 49.87 42.92 36.37 50.16
1985 37.87 36.88 42.10 49.90 53.73 61.28 70.02 64.92 57.02 51.44 36.08 35.39 49.72
1986 42.81 41.27 48.35 46.88 a 53.97 63.57 61.71 69.44 57.33 55.40 45.13 40.63 52.21
1987 37.32 42.09 45.40 53.00 56.81 62.87 63.27 66.56 63.85 58.87 46.83 a 38.24 52.93
1988 37.11 41.86 44.79 49.38 53.11 59.33 66.40 66.82 63.20 59.73 45.70 40.27 52.31
1989 39.23 34.09 43.65 53.00 53.52 61.93 62.63 62.77 63.42 52.10 ----- z 40.48 51.53
1990 40.69 36.89 46.27 51.97 52.85 59.33 68.66 67.37 65.00 51.03 44.73 32.27 51.42
1991 37.11 46.25 43.19 46.70 51.11 55.52 67.26 67.92 65.68 54.95 46.25 41.56 51.96
1992 41.76 46.28 50.47 52.15 60.52 63.95 66.55 68.40 61.12 54.82 44.70 37.42 54.01
1993 34.32 38.21 45.73 47.50 57.79 57.85 60.42 65.15 63.87 55.81 39.48 39.65 50.48
1994 41.47 39.23 46.45 50.35 56.19 57.83 67.89 65.63 64.32 52.08 38.05 38.39 51.49
1995 42.31 44.55 44.35 47.97 56.55 60.18 66.97 63.98 64.65 52.77 48.48 41.92 52.89
1996 39.84 39.22 45.24 49.20 51.89 60.27 69.29 68.40 60.52 52.56 44.12 39.21 51.65
1997 38.56 41.55 43.90 48.05 59.58 59.47 65.60 69.47 63.12 52.29 48.48 39.90 52.50
1998 41.13 42.77 45.85 49.27 52.61 60.73 68.89 68.76 66.00 52.56 45.05 36.55 52.51
1999 39.24 39.07 42.27 47.15 51.45 58.45 65.13 66.77 63.77 54.53 47.48 40.76 51.34
2000 37.44 41.50 43.68 51.68 53.84 62.63 64.81 66.52 62.17 53.10 41.62 40.18 51.60
2001 40.55 41.34 46.08 47.12 57.19 57.72 64.58 66.26 62.83 a 51.68 44.68 38.53 51.55
2002 38.21 40.59 40.89 48.35 52.27 61.35 67.74 67.05 63.88 52.63 45.00 40.81 51.56
2003 43.65 40.91 44.82 46.52 54.79 63.77 69.68 68.56 64.82 55.26 41.43 40.11 52.86
2004 36.77 41.67 48.18 52.42 55.42 61.77 69.35 69.16 59.85 53.53 44.22 41.48 52.82
2005 39.02 41.86 46.87 48.60 56.15 57.32 67.98 69.34 60.00 53.32 42.53 37.40 51.70
2006 40.13 38.73 41.63 48.95 56.21 62.48 68.66 66.24 61.82 51.76 42.88 38.05 51.46
2007 34.84 39.71 44.52 47.77 55.08 ----- z 66.66 64.52 58.87 48.37 42.63 37.23 49.11
2008 32.85 38.64 39.00 42.37 52.40 56.98 66.50 65.98 60.98 51.50 45.58 35.26 49.00
2009 36.76 37.93 40.06 46.22 54.94 61.15 69.60 ----- z 63.43 50.19 41.73 33.94 48.72
2010 ----- z 42.79 43.48 45.72 49.69 56.80 66.44 65.82 59.70 50.90 41.58 38.19 51.01
2011 36.21 36.34 39.24 41.83 48.05 56.95 61.76 66.32 64.52 51.53 41.00 36.34 48.34
2012 36.95 39.17 38.29 47.07 52.35 55.08 63.87 66.92 62.95 51.61 43.35 36.74 49.53
2013 33.26 38.18 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 35.72
Period of Record Statistics
MEAN 37.99 40.65 43.54 47.61 53.80 59.75 65.91 66.30 61.81 52.97 43.86 38.93 51.17
S.D. 2.96 2.81 2.71 2.65 2.80 2.55 2.62 2.33 2.61 2.15 2.61 2.44 1.20
SKEW -0.19 0.16 0.06 -0.08 0.27 0.03 -0.35 0.36 -0.02 0.70 -0.56 -0.42 -0.11
MAX 43.65 46.72 50.47 53.00 60.52 64.77 70.45 72.81 66.93 59.73 48.48 43.97 54.01
MIN 31.05 34.09 38.29 41.83 48.05 55.08 60.42 62.13 57.02 48.37 36.08 32.27 48.34
NO YRS 58 59 58 58 58 57 58 57 58 58 57 59 54