THE DALLES, OREGON

Monthly Average Temperature (Degrees Fahrenheit)

(358407)

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
1893 26.90 30.09 44.16 49.65 58.26 61.87 69.79 70.58 60.50 49.31 41.57 41.66 50.36
1894 36.13 a 34.68 44.21 52.25 59.98 63.40 72.71 73.24 60.80 52.16 47.53 35.47 52.71
1895 29.71 41.84 45.21 53.87 58.32 66.62 70.13 70.50 59.43 54.16 41.82 36.63 52.35
1896 35.75 a 44.43 44.82 49.82 56.53 66.65 76.76 70.63 62.57 54.05 35.08 38.31 52.95
1897 35.61 40.54 41.74 56.03 64.37 65.88 69.40 75.44 62.33 53.82 43.55 35.89 53.72
1898 36.16 43.91 45.55 54.05 59.55 65.90 71.87 74.40 63.53 51.52 42.00 32.56 53.42
1899 34.56 35.75 44.58 51.40 55.56 63.68 72.10 65.02 b 65.55 51.40 47.23 37.76 52.05
1900 39.26 39.73 51.13 53.90 60.73 67.93 a 71.52 66.63 60.95 51.42 40.45 42.66 53.86
1901 35.39 38.00 b 45.44 e 50.67 60.42 61.87 68.55 b 73.71 b 59.95 58.19 45.88 a 38.06 d 53.01
1902 32.82 38.59 45.40 e 52.25 61.45 64.98 c 69.61 70.95 63.66 a 54.87 43.00 34.35 52.66
1903 37.45 36.04 45.08 50.68 60.37 68.43 a 68.35 69.68 61.70 52.71 42.38 a 36.15 52.42
1904 40.15 36.53 43.07 b 55.28 59.78 a 65.78 71.48 72.48 64.78 a 54.27 46.02 39.24 54.07
1905 35.52 36.27 50.60 55.22 59.63 66.43 72.66 70.06 64.57 48.18 40.77 36.23 53.01
1906 38.63 41.38 44.05 56.75 59.90 63.13 78.69 72.06 64.02 54.98 a 43.98 39.23 54.73
1907 27.03 39.32 44.45 52.10 63.05 65.93 72.76 67.24 62.43 56.94 44.23 38.63 52.84
1908 36.79 39.60 47.61 54.88 56.48 64.87 75.05 70.98 63.72 53.38 a 44.58 34.34 53.52
1909 24.27 a 41.50 a 47.66 51.87 58.10 66.93 68.69 68.66 c 64.72 53.73 a 42.48 28.85 51.46
1910 28.77 34.50 51.50 54.88 62.89 64.52 72.61 67.65 62.07 55.65 43.23 39.45 53.14
1911 35.94 36.46 48.47 52.13 56.10 64.83 73.42 69.37 58.78 a 51.08 42.83 38.56 52.33
1912 30.67 a 41.84 43.90 53.17 61.05 67.77 71.94 69.16 ----- z ----- z ----- z ----- z 54.94
1913 ----- z ----- z 42.75 u 54.35 60.95 68.80 73.63 75.38 a ----- z 53.69 45.45 b 34.70 c 58.37
1914 39.82 a 40.28 a 50.19 55.92 d 61.08 65.43 76.16 75.63 61.15 52.15 41.26 c 27.56 53.89
1915 31.95 40.57 50.16 58.09 a 59.32 67.48 a 71.94 76.84 64.46 d 54.90 42.50 38.15 54.70
1916 19.92 33.52 46.58 54.67 55.39 64.92 67.79 e 71.90 63.50 52.11 38.83 35.52 a 50.39
1917 34.05 a 41.73 42.39 50.02 58.06 65.73 74.47 a 74.77 65.60 56.18 44.48 44.24 54.31
1918 41.21 36.43 46.08 53.60 57.31 70.53 71.81 68.56 68.17 55.79 43.08 38.77 54.28
1919 32.82 39.91 47.96 d 54.42 59.67 a 65.00 a 76.61 c 71.98 60.28 52.16 42.55 21.39 52.06
1920 34.32 40.21 47.16 50.62 57.48 65.18 74.69 73.65 62.27 53.87 41.83 38.82 53.34
1921 38.42 41.02 48.71 52.80 c 61.20 a 68.40 71.58 72.52 61.65 57.00 43.10 33.24 54.14
1922 28.52 35.73 b 44.85 a 52.71 a 61.50 72.71 a 76.26 h 73.02 c 63.50 d 55.80 k 41.73 b 30.71 c 50.50
1923 39.16 c 32.77 d 49.85 56.80 63.18 69.25 75.11 76.89 67.95 55.32 46.88 39.25 a 56.03
1924 33.48 46.11 b 47.29 55.93 b 67.10 69.95 73.97 72.66 63.85 54.73 43.68 30.50 54.94
1925 41.02 a 45.82 48.35 56.13 63.95 67.00 76.82 71.77 65.48 54.77 a 42.93 41.92 56.33
1926 39.33 a 47.46 51.12 b 59.68 61.13 71.63 76.78 a 73.64 b 60.67 56.24 44.47 35.42 f 58.38
1927 31.30 a 42.11 45.97 52.95 57.45 67.72 72.77 73.23 63.28 c 54.89 47.93 34.81 53.70
1928 32.18 38.91 48.32 51.07 65.35 66.02 75.32 72.02 64.38 53.45 44.58 35.40 53.92
1929 29.31 26.71 48.40 52.20 61.08 67.08 70.10 74.05 62.53 56.00 41.32 39.00 52.32
1930 16.74 43.12 49.18 55.67 57.77 64.35 74.19 73.98 65.93 50.97 43.17 36.60 52.64
1931 38.56 40.64 45.50 52.35 63.18 64.66 a 72.40 71.85 64.02 52.76 38.88 29.15 52.83
1932 34.94 34.82 a 46.93 c 52.73 59.15 69.78 69.77 70.03 64.33 56.10 44.88 31.10 52.88
1933 34.92 a 33.39 a 45.44 52.77 55.76 67.22 72.82 73.18 59.92 55.89 45.28 43.07 b 53.30
1934 42.13 45.12 51.82 59.33 61.89 67.87 71.24 72.85 63.03 55.40 46.27 40.25 a 56.43
1935 32.44 42.24 c 42.82 51.40 59.55 67.07 72.37 70.50 67.78 51.68 37.57 36.45 a 52.66
1936 39.09 b 27.52 c 45.63 56.83 63.66 b 68.82 71.94 71.81 63.48 55.26 36.28 40.45 53.40
1937 18.35 33.09 47.42 50.75 61.18 66.57 72.76 69.21 65.37 57.35 45.67 39.71 52.29
1938 36.98 37.32 44.56 54.28 59.98 69.00 73.74 69.58 68.63 54.16 41.08 38.95 54.02
1939 40.83 b 37.73 b 48.34 c 56.68 62.37 64.68 74.56 72.95 66.23 56.48 43.15 40.45 55.37
1940 33.48 42.12 50.76 54.83 64.92 71.42 72.97 72.47 67.33 57.40 40.10 35.90 55.31
1941 35.44 41.94 a 51.17 a 57.12 b 60.77 a 68.32 79.06 73.24 62.77 b 55.02 45.47 38.65 a 55.75
1942 26.87 39.45 45.57 a 55.08 59.16 64.92 75.10 74.63 ----- z 57.26 41.72 39.55 52.66
1943 26.94 39.88 45.40 56.05 57.85 64.33 72.18 69.11 67.57 a 54.90 42.45 ----- z 54.24
1944 ----- z 42.50 u 46.32 53.88 61.39 66.35 75.13 72.63 67.88 59.06 43.40 a 35.82 58.19
1945 40.21 42.39 45.13 53.17 62.55 67.32 76.73 75.53 64.13 56.95 42.47 36.21 55.23
1946 39.27 41.89 47.19 54.60 63.85 65.97 74.02 73.95 64.30 51.56 40.40 40.44 54.79
1947 34.34 43.50 50.45 57.00 67.45 65.40 72.42 71.00 66.27 55.19 46.77 39.71 55.79
1948 ----- z ----- z ----- z ----- z ----- z ----- z 71.48 70.47 a 62.38 a 50.79 c 41.72 a 33.76 55.10
1949 23.08 36.23 46.18 56.78 63.94 68.45 72.92 73.22 a 67.48 a 50.47 47.93 40.10 53.90
1950 21.65 31.11 44.56 51.38 58.72 a 67.08 73.24 74.80 a 68.67 53.19 44.78 40.87 52.50
1951 36.77 39.30 43.77 56.60 61.27 69.66 a 74.68 72.48 67.97 54.10 42.68 35.21 54.54
1952 28.85 39.38 45.44 55.03 62.06 65.42 74.85 73.21 69.57 a 61.10 38.31 a 37.48 54.23
1953 45.21 44.25 47.95 51.97 58.27 62.33 73.52 72.16 67.95 a 56.73 46.78 42.55 55.81
1954 33.81 40.45 44.32 53.15 61.42 63.63 69.89 68.70 a 65.42 52.58 49.10 36.53 53.25
1955 37.76 40.45 42.13 48.48 58.55 a 67.68 69.74 73.68 66.38 55.35 37.62 35.53 52.78
1956 35.69 32.14 a 46.15 56.22 66.02 66.28 76.40 73.32 67.32 54.15 42.53 39.47 54.64
1957 22.44 38.54 45.71 55.42 65.58 69.68 71.97 70.71 69.88 53.55 43.77 41.21 54.04
1958 39.81 46.80 46.16 53.72 67.97 72.82 79.31 78.58 67.03 57.69 44.72 40.23 57.90
1959 37.60 41.25 47.71 55.07 58.44 67.88 76.08 72.69 64.40 56.74 41.87 38.55 54.86
1960 29.77 41.33 45.65 53.80 58.18 69.42 77.74 71.27 66.82 57.52 44.82 35.31 54.30
1961 38.45 45.79 48.97 53.55 60.28 a 73.05 76.00 78.53 63.58 54.10 39.98 38.98 55.94
1962 36.24 40.96 44.16 56.65 56.63 66.42 73.24 71.39 67.25 55.92 47.50 40.70 a 54.76
1963 33.28 a 42.45 47.95 51.87 61.93 a 67.32 69.26 73.97 71.25 57.34 46.88 36.21 54.98
1964 41.23 44.71 46.27 52.28 58.40 65.48 73.61 70.24 64.37 55.61 42.37 34.06 54.05
1965 38.32 44.91 46.94 56.05 60.06 67.90 75.56 74.11 64.03 59.00 47.52 38.27 56.06
1966 38.21 43.05 47.05 55.77 62.63 65.68 71.92 73.82 a 68.80 55.15 47.13 40.77 55.83
1967 43.76 45.55 45.90 50.05 61.90 71.82 76.24 ----- z ----- z ----- z ----- z ----- z 56.46
1968 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1969 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1970 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1971 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1972 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1973 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1974 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1975 ----- z 38.55 45.52 49.80 60.05 66.16 a 75.60 68.92 66.07 52.66 41.59 a 39.32 54.93
1976 37.82 40.64 a 44.90 a 51.87 60.58 64.23 72.34 b 69.65 66.70 54.04 c 44.57 37.39 53.73
1977 31.29 43.57 47.37 57.90 57.69 71.67 a 73.62 b 78.79 63.62 a 54.80 c 41.45 40.97 b 55.23
1978 36.05 42.14 50.18 53.57 59.57 a 70.37 74.79 72.45 63.17 56.08 a 38.37 35.95 c 54.39
1979 20.48 37.82 48.87 55.45 64.73 70.28 75.16 72.45 c 69.05 58.89 41.76 a 41.58 54.71
1980 29.63 37.19 46.89 55.26 a 62.07 a 65.64 a 74.81 71.17 a 66.72 55.87 a 46.10 39.02 c 54.20
1981 41.92 41.41 a 49.16 b 54.34 a 62.31 b 65.28 a 72.73 76.87 a 66.50 a 53.69 46.07 40.06 55.86
1982 38.65 39.82 46.76 50.68 61.65 71.47 73.05 74.76 65.58 53.27 40.87 38.21 54.56
1983 40.24 42.50 50.52 53.72 64.37 66.65 70.90 74.23 62.95 53.81 48.08 28.79 54.73
1984 36.53 42.12 50.03 52.68 58.34 65.70 75.87 73.53 64.53 52.39 43.27 34.97 54.16
1985 32.53 36.89 46.39 55.73 61.27 68.57 79.81 70.85 60.32 53.23 33.62 25.24 52.04
1986 36.34 40.66 50.71 51.92 61.23 71.78 69.77 a 77.81 62.35 55.55 45.17 34.92 54.85
1987 33.60 42.12 47.66 56.92 64.40 71.17 72.58 74.44 69.17 57.92 46.42 37.60 a 56.17
1988 35.27 a 42.71 48.23 55.23 59.71 66.80 74.92 72.32 66.57 61.92 47.12 38.50 55.77
1989 40.94 30.82 44.66 56.98 61.10 69.45 71.26 72.08 67.35 55.50 48.02 37.95 54.68
1990 41.85 40.20 49.23 58.12 59.10 67.65 76.27 74.82 71.32 53.40 47.60 30.15 55.81
1991 35.16 45.05 45.29 53.20 58.23 63.92 75.40 76.48 68.77 55.65 44.78 40.73 55.22
1992 40.98 45.33 51.85 56.03 65.19 73.87 75.00 75.39 64.47 56.79 45.20 35.02 57.09
1993 27.84 34.02 43.56 52.87 64.89 65.97 67.40 71.79 67.15 57.89 37.37 37.95 52.39
1994 41.58 36.86 48.52 56.58 63.53 66.37 77.40 74.40 69.62 54.68 41.58 38.58 55.81
1995 34.95 43.39 46.82 52.53 63.26 ----- z 74.76 70.03 68.95 54.24 48.03 38.10 54.10
1996 37.29 34.14 46.55 54.08 57.77 ----- z 76.66 73.60 63.72 54.84 42.73 35.71 52.46
1997 35.24 41.73 46.79 52.27 63.69 65.45 71.79 74.97 67.82 54.00 44.78 39.11 54.80
1998 36.44 43.75 48.31 53.68 ----- z ----- z ----- z ----- z 70.68 53.58 46.48 36.84 48.72
1999 40.76 41.21 44.35 50.10 a 55.97 63.78 69.26 73.45 a 63.17 a 51.77 46.28 39.90 a 53.33
2000 35.08 39.28 44.57 a 53.52 58.84 66.43 a 70.15 70.16 b 62.43 ----- z ----- z 35.40 53.58
2001 35.98 38.38 46.42 49.55 ----- z ----- z 70.73 ----- z 66.90 a 53.40 44.13 38.61 49.34
2002 39.19 40.86 43.28 a 51.73 58.48 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 46.71
2003 41.44 42.25 48.76 51.18 58.73 68.33 75.16 72.81 67.18 57.55 39.48 a ----- z 56.62
2004 ----- z 42.83 50.05 a 54.19 a 60.18 66.85 74.58 74.19 ----- z 55.63 43.95 39.61 56.21
2005 36.27 39.69 a 48.56 51.55 60.87 64.05 a 73.02 73.16 63.03 a 54.56 41.41 a 32.08 53.19
2006 41.31 38.18 44.95 52.77 60.39 67.22 ----- z 72.38 e 65.47 54.10 42.20 35.66 52.24
2007 34.35 40.38 48.55 51.25 60.23 65.80 75.39 70.37 63.78 51.39 42.38 ----- z 54.90
2008 ----- z 43.10 ----- z 46.88 59.98 64.13 72.13 ----- z ----- z 49.85 45.63 ----- z 54.53
2009 ----- z ----- z 42.61 50.93 59.52 68.37 75.47 73.56 66.62 48.79 38.32 30.50 55.47
2010 38.66 42.29 45.58 50.37 56.40 63.20 72.44 71.60 64.15 54.82 41.40 36.29 53.10
2011 38.63 a 37.94 b 43.48 b 47.40 a 55.62 b 63.41 a 69.32 71.90 a 66.90 a 54.55 41.78 34.53 a 52.12
2012 35.13 40.20 b 44.02 b 52.16 a 58.52 c 62.97 a 72.73 a 73.56 65.50 b 53.08 a 45.80 38.65 53.53
2013 33.40 a 41.81 a ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 37.61
Period of Record Statistics
MEAN 34.87 39.79 46.77 53.63 60.61 66.96 73.31 72.52 65.02 54.57 43.32 36.95 54.04
S.D. 5.66 4.05 2.40 2.50 2.76 2.60 2.62 2.52 2.79 2.41 3.03 3.84 1.43
SKEW -1.08 -0.83 0.23 -0.09 0.36 0.48 0.05 -0.04 0.05 0.08 -0.54 -1.24 -0.01
MAX 45.21 47.46 51.85 59.68 67.97 73.87 79.81 78.79 71.32 61.92 49.10 44.24 57.90
MIN 16.74 26.71 41.74 46.88 55.39 61.87 67.40 65.02 58.78 48.18 33.62 21.39 50.36
NO YRS 107 110 110 112 110 107 109 108 106 108 109 105 91