THE DALLES, OREGON

Monthly Average Maximum 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 33.39 37.82 53.87 59.23 70.29 73.73 83.29 85.13 71.47 58.23 49.03 47.29 60.23
1894 42.00 a 41.68 53.10 62.77 72.10 73.83 86.68 88.26 71.30 62.32 55.23 40.42 62.47
1895 35.81 50.43 56.42 66.70 69.90 80.20 83.52 84.10 70.33 69.42 51.87 41.61 63.36
1896 41.06 53.17 55.29 60.53 66.39 79.50 91.32 84.35 76.23 66.19 41.33 42.81 63.18
1897 39.74 48.43 49.90 69.47 78.58 77.20 82.39 90.74 75.43 66.26 50.50 40.19 64.07
1898 42.06 51.75 56.00 67.23 73.00 79.10 87.06 89.45 77.27 63.00 48.93 38.00 64.41
1899 40.87 43.25 54.58 63.00 66.52 76.37 86.68 76.23 81.43 61.61 53.60 43.87 62.33
1900 45.65 46.86 62.55 66.73 73.35 81.60 86.13 78.77 73.03 62.13 47.60 48.13 64.38
1901 41.52 45.93 56.77 63.63 73.06 73.73 82.33 a 89.55 72.03 70.94 54.38 a 44.44 d 64.03
1902 38.94 45.75 54.97 b 64.27 73.74 79.74 c 84.97 86.19 78.21 a 67.77 49.30 38.42 63.52
1903 42.13 44.93 55.48 62.33 73.16 81.47 81.61 83.35 75.40 64.61 47.77 40.97 62.77
1904 47.39 43.97 51.21 b 68.00 73.63 a 80.67 85.61 88.94 80.55 a 66.48 54.23 45.06 65.48
1905 40.32 45.18 61.16 68.60 72.58 78.57 88.03 84.13 77.23 58.19 50.37 40.55 63.74
1906 44.55 47.21 54.23 70.73 72.29 75.83 94.39 86.81 77.03 65.68 50.83 43.61 65.27
1907 33.16 45.79 54.06 64.43 76.48 78.13 87.29 79.77 75.57 70.26 53.90 43.52 63.53
1908 42.61 48.38 57.29 68.07 67.29 77.77 89.71 85.42 78.33 63.93 a 52.77 39.58 64.26
1909 32.06 49.26 a 59.42 63.10 70.81 79.83 81.65 84.43 c 77.87 64.39 48.53 34.55 62.16
1910 34.90 41.00 63.39 66.97 76.39 77.20 87.52 82.00 75.17 66.42 49.13 43.97 63.67
1911 42.26 44.75 62.32 66.20 67.35 75.87 87.74 82.81 69.14 a 62.81 51.23 45.16 63.14
1912 35.40 a 48.79 54.61 64.60 74.48 81.37 85.52 82.00 ----- z ----- z ----- z ----- z 65.85
1913 ----- z ----- z 52.00 u 66.30 74.19 81.70 87.94 90.07 a ----- z 65.52 52.97 39.50 a 69.77
1914 46.90 47.39 63.58 69.75 b 78.84 81.03 93.10 93.65 77.80 66.94 51.48 a 35.06 67.13
1915 38.10 49.89 63.68 74.67 72.97 81.80 86.13 94.61 81.64 b 69.74 51.80 47.16 67.68
1916 28.29 41.72 58.74 69.73 69.39 80.17 81.48 d 89.06 80.57 70.13 50.17 43.73 a 63.60
1917 44.03 a 53.82 53.71 62.27 70.94 81.37 91.07 a 92.84 81.13 72.55 54.47 51.81 67.50
1918 48.61 44.96 57.32 68.37 69.94 86.40 87.19 83.52 84.77 67.94 53.40 46.16 66.55
1919 42.06 47.64 59.04 d 67.47 72.87 a 79.31 a 93.83 a 89.16 79.47 65.58 50.27 27.84 64.54
1920 39.55 50.86 57.06 61.60 71.97 78.47 89.90 89.94 75.50 65.29 51.83 44.87 64.74
1921 44.68 49.04 58.03 65.83 75.23 a 80.73 87.23 89.97 80.27 75.03 55.47 40.39 66.82
1922 37.90 45.96 b 55.90 a 67.83 78.55 90.00 a 96.08 e 88.00 78.30 c 68.59 i 49.14 b 37.83 b 65.95
1923 45.40 a 42.65 b 65.52 72.73 79.29 84.70 90.77 94.81 85.17 69.52 58.10 48.57 a 69.77
1924 44.13 56.89 b 59.74 71.00 b 85.32 86.97 92.06 89.10 80.77 67.90 52.47 40.52 68.91
1925 50.65 54.96 61.13 69.67 78.19 81.10 92.48 87.65 80.20 69.60 a 52.87 49.68 69.01
1926 44.97 a 57.46 67.72 b 77.57 77.19 87.20 92.17 a 89.39 76.50 70.55 53.37 43.24 f 72.19
1927 37.97 a 50.32 56.77 66.83 69.35 80.43 88.81 89.00 75.61 b 65.65 56.97 43.10 65.07
1928 37.58 48.45 58.06 63.37 81.68 77.40 90.23 87.90 81.57 67.94 54.80 42.52 65.96
1929 35.74 35.86 59.87 66.00 75.19 79.83 86.03 90.35 78.33 70.65 54.93 45.81 64.88
1930 24.71 51.57 61.10 67.93 68.77 77.60 89.13 89.48 81.47 62.35 51.73 41.45 63.94
1931 44.32 49.71 55.65 64.70 76.65 76.21 a 87.16 87.74 76.33 64.16 46.27 33.90 63.57
1932 40.52 43.00 a 53.75 c 63.33 71.45 85.50 83.19 83.84 81.57 68.03 52.70 38.71 63.80
1933 42.23 42.07 a 54.90 67.03 67.19 80.40 88.03 89.90 71.60 69.87 55.47 51.07 b 64.98
1934 49.90 56.36 65.65 73.77 75.84 80.63 85.74 89.97 75.63 65.55 53.30 46.19 68.21
1935 37.87 52.12 b 52.26 64.20 73.65 80.67 85.52 86.00 83.57 63.42 44.47 40.77 a 63.71
1936 46.93 b 35.77 c 56.19 68.93 77.97 b 82.23 85.68 88.10 79.07 71.32 46.80 47.81 65.57
1937 24.65 40.82 57.39 60.43 74.10 79.47 87.71 83.29 79.13 70.03 53.23 44.94 62.93
1938 41.68 42.82 53.81 66.60 74.06 83.63 90.65 85.68 85.10 66.58 50.20 47.87 65.72
1939 49.45 b 45.44 a 58.93 c 69.93 76.55 77.10 89.87 89.48 82.23 69.35 54.33 46.23 67.41
1940 37.94 48.86 61.42 66.13 79.35 87.67 85.87 89.35 80.33 68.13 46.77 41.68 66.13
1941 39.29 50.93 65.13 68.93 b 71.26 78.20 92.65 85.61 72.63 64.39 54.10 44.67 a 65.65
1942 31.35 46.43 58.23 67.07 70.00 75.93 88.77 90.74 ----- z 70.06 47.63 44.39 62.78
1943 32.68 47.14 55.77 68.53 70.87 77.73 87.23 82.10 83.53 65.61 47.40 ----- z 65.33
1944 ----- z 51.44 t 57.74 64.97 73.94 77.93 89.26 86.45 82.87 72.45 49.69 a 40.00 69.53
1945 45.19 49.89 53.35 63.50 75.13 80.60 92.71 91.26 77.90 69.58 48.60 40.94 65.72
1946 46.48 49.89 56.26 66.93 77.23 78.03 88.00 88.97 76.77 61.06 48.57 46.32 65.38
1947 41.52 52.57 61.84 69.27 81.68 77.43 85.00 85.13 80.07 62.52 52.83 44.52 66.20
1948 ----- z ----- z ----- z ----- z ----- z ----- z 85.45 82.73 a 74.86 a 61.13 47.69 a 39.29 65.19
1949 32.52 43.68 54.87 70.23 76.97 82.60 86.87 87.63 a 82.79 a 62.84 56.63 47.13 65.40
1950 28.16 38.68 53.00 62.53 71.60 a 79.47 88.10 90.87 a 85.87 61.58 51.70 44.81 63.03
1951 42.84 47.71 53.16 72.10 74.26 83.97 a 89.35 87.32 84.93 64.68 50.97 41.58 66.07
1952 33.52 48.17 55.16 69.50 74.94 75.73 90.19 87.35 86.69 a 77.42 46.41 a 41.87 65.58
1953 51.74 52.86 57.48 62.23 69.35 72.23 87.26 84.90 83.55 a 69.90 55.40 49.61 66.38
1954 40.26 46.43 56.29 64.40 73.90 74.80 82.71 79.65 79.13 64.94 56.80 42.97 63.52
1955 43.77 49.89 51.58 58.37 69.57 a 79.57 81.65 89.94 81.20 66.90 43.30 41.48 63.10
1956 41.23 39.54 a 55.42 68.57 79.74 78.57 91.58 86.39 81.60 64.81 49.67 45.29 65.20
1957 29.29 47.04 54.10 66.27 77.39 81.63 85.16 84.52 85.27 63.35 55.17 48.00 64.76
1958 45.97 54.39 57.03 65.00 82.32 84.53 94.61 93.90 80.13 72.13 52.97 45.45 69.04
1959 44.19 47.64 58.00 67.13 70.16 79.67 91.13 86.48 76.37 69.32 52.60 45.84 65.71
1960 35.94 50.45 55.68 64.30 69.48 83.00 93.10 84.16 82.20 70.29 53.43 40.42 65.20
1961 44.00 53.57 58.29 63.23 71.20 a 87.33 91.16 94.19 77.23 65.74 48.63 45.97 66.71
1962 45.00 48.50 53.71 68.67 66.00 79.73 87.29 83.71 82.37 67.26 55.07 46.33 a 65.30
1963 42.33 a 50.00 59.10 61.73 74.70 a 77.83 81.42 88.03 85.27 69.13 54.37 41.23 65.43
1964 48.65 56.79 56.58 63.10 70.48 76.67 86.84 83.52 78.73 69.58 48.53 40.35 64.99
1965 43.81 53.75 60.19 68.30 72.00 80.70 90.84 87.29 78.73 73.23 54.37 45.68 67.41
1966 44.42 51.36 58.32 68.23 76.90 77.47 84.74 87.63 a 83.50 67.55 55.07 46.81 66.83
1967 50.90 56.57 56.55 60.63 74.77 85.10 90.74 ----- z ----- z ----- z ----- z ----- z 67.90
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 46.46 55.42 61.27 73.35 78.66 a 89.65 84.00 85.33 64.23 51.17 a 47.48 67.00
1976 46.87 49.25 a 55.37 a 63.17 74.65 77.40 87.31 b 83.58 83.70 70.82 c 55.20 45.90 66.10
1977 37.03 53.07 57.94 72.53 68.94 84.79 a 87.14 b 93.32 76.17 a 68.17 b 49.80 46.86 b 66.31
1978 41.19 48.18 61.32 64.37 71.03 a 84.23 88.94 85.97 75.27 72.33 a 49.57 45.19 65.63
1979 27.65 45.50 60.94 66.33 78.16 84.07 89.23 85.32 c 84.83 70.90 48.03 a 48.10 65.75
1980 37.19 42.48 56.48 67.90 a 73.43 a 77.10 a 88.61 84.53 a 80.97 69.13 a 53.00 45.17 b 64.67
1981 46.00 50.00 a 61.27 a 66.14 a 74.03 b 75.76 a 86.32 92.67 a 81.34 a 66.23 55.17 45.94 66.74
1982 45.68 49.11 58.03 63.37 74.55 85.20 86.52 89.29 79.23 64.61 49.13 44.58 65.77
1983 46.68 48.43 59.16 65.70 77.65 78.90 83.23 88.00 76.97 66.71 55.00 34.13 65.05
1984 43.65 50.34 60.42 62.37 70.03 77.53 91.32 88.06 78.20 62.90 50.23 42.06 64.76
1985 35.61 45.96 58.68 68.87 75.45 82.53 95.68 85.94 74.20 66.10 41.10 29.00 63.26
1986 42.45 48.43 62.10 64.80 74.19 85.90 83.00 94.84 75.87 70.45 53.70 40.32 66.34
1987 40.06 50.89 57.39 69.93 76.90 85.77 84.06 89.68 85.17 74.13 55.07 42.90 a 67.66
1988 41.40 a 54.00 59.16 66.50 71.55 78.47 89.19 88.26 82.23 75.81 54.30 43.74 67.05
1989 48.39 39.21 53.58 69.33 73.35 82.37 83.58 84.65 83.67 67.48 56.17 42.45 65.35
1990 48.45 49.18 60.77 70.30 70.90 79.70 91.65 88.58 86.80 64.48 56.53 37.84 67.10
1991 42.84 54.32 55.32 64.43 68.74 75.10 89.52 91.35 85.23 69.84 50.93 46.06 66.14
1992 46.55 51.72 63.74 67.07 79.97 87.90 88.55 91.65 77.70 69.52 51.53 40.90 68.07
1993 32.42 40.50 51.65 62.87 78.55 77.60 79.03 86.29 83.90 71.61 47.50 42.10 62.83
1994 48.94 44.04 60.58 68.30 76.19 78.63 92.10 88.35 85.57 67.48 49.03 44.13 66.95
1995 39.58 52.29 57.55 63.97 75.90 ----- z 87.45 83.87 83.17 65.90 55.37 42.35 64.31
1996 43.65 42.90 57.00 65.27 69.16 ----- z 92.16 89.03 77.93 66.45 50.43 41.77 63.25
1997 41.77 50.29 56.65 63.23 77.84 79.00 86.61 90.52 81.73 65.74 51.90 44.29 65.80
1998 42.19 51.21 59.23 65.47 ----- z ----- z ----- z ----- z 86.53 66.32 53.77 44.77 58.69
1999 49.58 50.39 56.26 65.21 a 69.00 75.23 85.42 87.97 83.67 67.74 55.47 47.23 66.10
2000 41.90 47.41 56.45 67.97 70.90 80.73 84.48 85.74 78.20 ----- z ----- z 40.58 65.44
2001 41.71 47.93 59.03 62.13 ----- z ----- z 84.32 ----- z 82.77 66.87 52.83 44.45 60.23
2002 45.68 52.29 54.40 a 64.23 69.77 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 57.27
2003 46.06 53.39 58.97 62.27 71.58 82.53 91.29 87.94 84.17 71.68 49.41 a ----- z 69.03
2004 ----- z 54.07 63.43 a 69.34 a 72.45 81.03 90.16 88.58 ----- z 70.00 55.57 46.39 69.10
2005 42.26 54.93 a 62.74 63.80 73.13 76.59 a 88.35 90.48 79.55 a 67.45 49.93 a 38.23 65.62
2006 49.19 49.96 56.42 67.47 74.48 80.47 ----- z 89.08 e 83.07 68.77 50.53 42.00 64.68
2007 41.94 48.96 60.68 64.43 75.00 78.20 89.00 84.71 78.63 64.03 53.07 ----- z 67.15
2008 ----- z 54.17 ----- z 59.80 71.10 77.30 86.87 ----- z ----- z 64.42 54.73 ----- z 66.91
2009 ----- z ----- z 52.23 63.33 74.13 80.43 90.90 86.90 82.87 60.90 47.47 37.81 67.70
2010 43.94 51.25 57.81 61.70 68.00 74.57 87.77 86.35 77.33 68.52 49.27 40.97 63.96
2011 46.77 a 48.42 b 53.66 b 57.62 a 66.97 b 74.79 a 83.19 87.10 a 83.45 a 65.68 52.07 42.87 a 63.55
2012 43.81 48.78 b 54.76 b 64.14 a 72.18 c 74.28 a 86.67 a 89.74 83.18 b 66.60 a 53.10 45.71 65.24
2013 39.87 a 53.33 a ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 46.60
Period of Record Statistics
MEAN 41.37 48.34 57.57 65.99 73.52 79.91 87.83 87.38 79.81 67.20 51.61 43.07 65.26
S.D. 5.77 4.64 3.48 3.49 3.80 3.60 3.43 3.49 4.04 3.58 3.33 4.09 1.74
SKEW -0.79 -0.45 0.45 0.30 0.35 0.47 -0.03 -0.26 -0.38 0.08 -0.65 -0.96 0.10
MAX 51.74 57.46 67.72 77.57 85.32 90.00 96.08 94.84 86.80 77.42 58.10 51.81 69.77
MIN 24.65 35.77 49.90 57.62 66.00 72.23 79.03 76.23 69.14 58.19 41.10 27.84 60.23
NO YRS 107 110 110 112 110 107 110 108 106 108 109 105 91