HEPPNER, OREGON

Monthly Average Temperature (Degrees Fahrenheit)

(353827)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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 ----- z ----- z ----- z 45.48 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 45.48
1894 33.98 d ----- z ----- z ----- z ----- z ----- z ----- z 69.90 56.43 50.56 45.63 33.56 48.35
1895 30.82 39.69 a ----- z 51.54 g 54.50 c 61.81 d 65.87 e 66.96 d 54.33 d ----- z ----- z 31.48 d 50.68
1896 36.38 b ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 36.38
1897 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 74.55 b 59.80 e 49.64 b 40.10 34.50 51.72
1898 31.79 42.90 c 39.13 48.90 a 52.34 b 60.83 a 67.71 70.63 a 59.48 48.00 a 38.47 27.52 48.97
1899 36.18 32.13 a 39.78 a 47.05 50.63 a 58.78 68.14 b 61.42 63.18 47.63 48.24 a 37.29 b 49.21
1900 39.77 e 34.75 b 48.83 a ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 41.12
1901 34.83 s 34.76 a 43.31 46.29 a ----- z ----- z ----- z 71.97 p 56.14 a 56.95 45.20 38.55 45.89
1902 31.03 40.39 42.68 48.40 55.57 a 61.48 66.90 67.85 61.30 54.44 42.39 b 34.19 50.55
1903 37.65 35.05 43.44 47.03 a 56.35 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 43.90
1904 ----- z ----- z ----- z ----- z ----- z 60.17 66.60 68.58 60.72 52.02 44.17 36.92 55.59
1905 ----- z ----- z ----- z ----- z 56.26 62.47 73.46 e 69.10 62.43 46.24 40.53 36.06 55.82
1906 38.79 38.24 a 39.68 53.58 56.13 a 59.50 76.23 69.24 62.07 54.08 41.42 37.85 52.23
1907 24.57 a 37.72 c 40.30 a 46.20 b 57.23 a 60.20 c 69.40 j 62.87 a 59.42 56.27 44.62 b 36.42 47.80
1908 35.40 36.36 43.52 50.68 b 51.87 61.12 a 73.25 a 69.66 b 60.67 j 49.11 44.68 31.94 49.78
1909 24.94 39.96 a 44.68 a 46.33 i 54.40 62.59 a 65.08 65.63 61.93 a 54.53 b 45.94 c ----- z 51.97
1910 30.52 b 29.28 e 48.62 a 53.43 c 58.50 a 60.68 69.02 63.48 57.47 51.57 h 41.60 36.75 a 49.94
1911 34.55 31.77 45.42 46.65 51.87 61.47 71.35 66.15 55.95 49.18 41.15 36.82 49.36
1912 35.03 38.17 38.47 47.73 d 55.03 63.59 a 66.10 62.95 55.77 47.40 44.19 a 36.55 49.25
1913 33.16 31.46 39.89 48.40 55.08 62.37 66.87 68.13 58.70 48.15 42.97 31.08 48.85
1914 41.90 36.93 46.21 49.05 56.84 60.58 70.53 69.24 59.00 51.94 42.28 27.07 a 50.96
1915 31.05 39.98 45.94 52.40 54.11 61.20 66.95 71.84 59.23 52.68 40.73 36.94 51.09
1916 19.40 33.91 45.68 48.77 50.26 59.58 61.81 66.69 58.80 47.71 36.28 32.52 46.78
1917 32.84 35.93 37.03 45.68 52.60 58.75 70.18 69.27 60.50 54.03 44.90 44.40 50.51
1918 40.27 37.57 45.63 48.28 51.79 66.13 69.10 64.40 63.58 53.32 40.42 35.40 51.33
1919 35.82 36.80 42.81 48.83 54.52 59.63 70.77 69.61 58.38 47.68 40.03 25.58 49.21
1920 31.48 35.81 42.69 45.22 52.21 59.98 69.39 68.56 58.72 48.55 39.12 37.44 49.10
1921 35.34 39.89 44.31 46.83 55.53 64.32 67.45 68.34 56.13 53.56 41.40 30.87 50.33
1922 26.68 32.50 40.16 45.43 54.35 67.27 71.52 68.29 62.72 52.08 35.13 31.29 48.95
1923 38.31 29.75 43.68 48.43 54.63 59.63 68.61 68.42 61.48 49.21 43.15 37.02 50.19
1924 29.89 44.36 40.77 48.53 60.29 62.82 68.16 67.34 61.18 49.85 38.87 27.40 49.96
1925 40.26 43.70 45.23 52.20 57.81 63.55 71.73 66.61 59.87 50.08 41.45 40.10 52.71
1926 ----- z 44.20 47.52 54.20 55.44 65.88 71.00 68.37 a 55.17 53.08 42.97 34.79 53.87
1927 29.26 40.64 41.58 46.77 52.55 63.05 68.89 68.10 56.60 52.90 45.85 31.97 49.85
1928 31.08 36.05 45.35 47.40 59.95 60.83 70.58 65.92 59.45 51.60 41.60 33.24 50.26
1929 25.16 24.84 44.31 45.58 54.53 61.10 67.11 69.79 58.15 53.61 41.60 40.98 48.90
1930 15.03 43.16 44.85 54.02 a 53.98 59.82 68.02 69.31 60.03 47.53 40.12 32.40 49.02
1931 37.82 38.16 44.16 49.73 58.53 60.73 68.37 68.16 59.02 50.10 37.38 32.47 50.39
1932 34.48 35.66 43.23 49.30 53.58 62.63 64.45 66.27 59.98 52.02 46.42 29.77 49.82
1933 36.15 31.82 43.47 47.62 50.40 61.40 68.66 68.90 56.77 55.68 42.40 42.60 50.49
1934 42.40 42.84 49.39 55.62 58.47 62.37 67.60 69.10 60.10 53.32 45.90 37.47 53.71
1935 35.23 37.27 40.98 44.77 54.35 62.05 67.63 66.40 63.90 50.60 37.55 32.45 49.43
1936 36.74 22.41 42.44 51.85 59.52 63.10 68.23 67.77 60.02 55.02 36.35 40.19 50.30
1937 17.16 35.34 42.68 43.57 53.84 61.33 71.29 65.16 61.50 54.77 44.60 38.23 49.12
1938 35.45 35.55 42.40 47.38 54.81 61.23 70.73 64.48 63.60 51.06 38.42 36.45 50.13
1939 39.15 34.77 45.10 50.98 57.77 59.20 69.35 69.35 62.15 52.97 44.23 40.89 52.16
1940 31.11 40.10 46.45 48.48 56.61 64.52 66.98 66.47 62.45 54.79 36.02 36.58 50.88
1941 34.45 40.05 45.77 50.88 55.65 60.80 71.95 67.52 56.92 49.50 44.22 37.29 51.25
1942 22.42 36.57 42.87 49.37 53.03 57.53 69.35 69.61 61.18 53.42 39.58 39.03 49.50
1943 26.31 35.91 40.94 50.07 50.94 57.05 a 68.02 a 63.67 a 62.80 51.94 40.48 31.95 48.34
1944 32.98 36.59 41.34 48.67 54.60 59.45 67.81 65.69 63.18 54.71 39.10 30.35 49.54
1945 36.19 39.46 41.39 46.60 55.42 59.33 68.97 67.94 57.62 52.50 41.58 33.84 50.07
1946 37.66 39.80 43.48 48.77 55.53 59.42 67.71 67.73 58.90 47.13 39.38 38.81 50.36
1947 33.02 39.64 47.84 50.97 60.63 60.15 66.39 65.15 61.10 52.52 41.57 38.20 a 51.43
1948 33.60 33.93 39.03 45.13 52.11 63.02 63.71 63.69 57.35 48.16 41.83 j 30.76 48.23
1949 18.78 a 33.86 42.08 a 51.53 a 58.05 c 60.47 65.05 64.82 a 60.27 45.77 43.64 a 35.08 48.28
1950 17.44 35.05 42.61 47.38 b 52.53 a 60.03 a 68.13 68.50 61.65 51.10 42.07 40.62 a 48.93
1951 33.79 c 37.91 39.95 47.82 b 54.16 61.36 a 68.10 a 65.79 60.15 49.98 39.02 a 31.39 49.12
1952 28.52 b 39.05 a 40.90 50.72 55.55 59.23 68.32 a 66.85 62.95 55.71 33.59 b 33.98 49.61
1953 44.27 39.29 42.55 a 47.10 a 51.20 a 56.03 66.78 a 66.81 63.17 52.59 b 45.88 a 40.45 a 51.34
1954 34.13 38.04 38.27 46.02 55.20 a 57.40 a 65.02 a 62.73 a 58.28 48.02 47.12 34.29 48.71
1955 34.42 a 35.52 a 37.39 43.57 48.90 a 62.12 a 65.03 b 66.42 a 60.36 a 52.52 36.62 33.90 a 48.06
1956 35.13 30.59 42.90 49.50 b 57.93 a 59.18 b 69.60 b 66.15 a 61.77 49.28 a 37.34 a 38.65 49.84
1957 20.63 35.77 b 42.74 49.21 a 57.74 63.52 65.23 63.66 62.55 a 47.98 41.29 b 41.78 a 49.34
1958 38.10 46.00 40.56 47.40 60.63 65.73 71.48 72.05 60.45 53.16 42.05 39.02 53.05
1959 36.27 36.66 44.16 49.02 51.52 61.52 69.31 65.23 59.18 52.21 39.22 34.53 49.90
1960 27.37 38.00 42.52 49.72 53.34 63.67 73.32 65.79 61.80 53.00 42.15 30.98 50.14
1961 37.02 45.59 44.66 48.47 54.19 67.53 70.87 73.45 57.58 49.81 36.07 36.16 51.78
1962 32.68 37.07 40.90 a 50.87 51.02 60.03 67.85 65.26 61.57 51.19 43.62 a 38.26 50.03
1963 28.10 42.84 43.81 45.63 55.27 61.60 63.89 67.94 66.00 53.84 44.47 32.74 50.51
1964 39.32 39.93 41.35 45.68 52.58 60.98 68.53 64.39 58.95 51.10 38.80 33.61 49.60
1965 36.42 41.73 39.35 50.03 53.44 61.60 69.63 67.85 56.35 55.35 44.48 35.87 51.01
1966 36.52 38.54 43.84 49.50 57.98 60.95 66.77 68.21 63.62 52.50 43.80 40.03 51.85
1967 41.18 42.30 42.27 43.90 55.48 65.67 70.21 74.47 66.17 53.82 40.73 35.74 52.66
1968 36.58 41.55 46.52 46.28 56.05 63.80 71.97 66.50 62.57 49.53 41.77 32.58 51.31
1969 23.61 34.45 43.18 47.78 58.77 66.08 67.58 65.71 b 61.93 a 47.84 43.02 34.76 49.56
1970 33.65 39.50 42.31 43.87 55.74 67.48 71.06 69.44 56.62 49.02 41.23 35.60 50.46
1971 39.05 39.32 40.82 46.43 56.84 59.53 70.76 73.00 56.35 48.52 42.45 35.53 50.72
1972 33.44 36.67 45.82 44.88 57.29 63.95 69.24 70.68 57.85 49.34 42.68 28.35 50.02
1973 31.85 38.36 43.47 48.32 57.87 63.85 70.58 67.87 60.93 51.03 39.85 39.40 51.12
1974 28.98 41.86 44.39 47.80 52.76 66.25 68.00 69.61 63.07 51.03 42.67 38.82 51.27
1975 35.84 35.48 39.63 43.57 55.11 60.80 72.47 65.19 61.68 52.05 41.30 38.58 50.14
1976 37.65 36.76 40.68 46.80 55.58 59.10 68.45 66.16 63.73 51.02 41.73 36.76 50.37
1977 27.97 40.48 42.16 52.22 52.05 66.90 68.21 73.24 58.73 50.77 39.48 36.06 50.69
1978 33.79 39.79 46.18 47.62 53.23 64.22 69.98 67.55 58.98 50.97 34.30 29.89 49.71
1979 17.52 38.12 44.29 48.23 57.65 64.05 71.32 69.11 64.15 54.35 35.28 39.65 50.31
1980 27.11 37.12 42.26 53.50 n 55.85 59.18 69.35 64.94 62.27 50.42 41.72 40.84 50.10
1981 34.65 38.20 43.95 ----- z 57.21 l 60.22 66.85 71.65 61.93 50.92 45.15 38.10 51.16
1982 35.90 37.39 42.48 45.53 53.77 65.22 68.15 68.32 58.43 49.16 36.68 34.85 49.66
1983 40.00 42.43 46.90 47.78 57.65 61.17 66.05 70.81 57.08 51.21 45.88 24.74 50.98
1984 36.26 39.41 45.77 46.82 53.03 59.28 69.61 68.55 57.63 47.23 41.02 31.39 49.67
1985 26.15 34.09 41.90 51.70 56.40 63.38 73.94 65.06 55.58 49.94 29.23 22.45 47.49
1986 37.74 38.95 47.19 47.38 56.44 67.15 63.90 73.03 56.87 52.52 42.28 32.00 51.29
1987 31.89 38.54 45.52 53.07 59.55 65.38 67.08 67.73 64.95 53.95 42.75 34.03 52.04
1988 33.26 40.05 43.87 51.57 55.26 61.88 69.55 67.66 61.60 58.89 44.17 34.79 51.88
1989 38.47 26.38 43.13 51.73 55.47 64.87 67.10 66.84 61.32 51.34 44.50 34.15 50.44
1990 38.84 37.93 45.02 53.77 54.98 63.03 72.31 69.95 66.18 49.95 45.50 25.90 51.95
1991 33.60 45.89 41.56 49.42 52.98 58.80 69.77 72.13 63.75 52.48 41.30 37.15 51.57
1992 38.76 43.29 47.50 52.40 60.65 68.35 68.10 70.16 58.83 52.71 39.77 32.77 52.77
1993 26.21 29.50 41.87 48.48 60.66 60.72 62.73 65.90 62.33 54.06 35.43 35.47 48.61
1994 41.95 34.27 46.44 52.65 58.47 62.43 73.31 69.32 65.92 50.79 39.97 35.94 52.62
1995 34.95 42.82 44.47 48.60 57.35 61.07 70.60 65.79 64.80 50.37 47.17 35.26 51.94
1996 37.35 33.33 43.58 50.87 53.08 62.53 72.85 70.44 60.17 52.15 41.75 36.74 51.24
1997 34.48 38.61 45.37 48.00 59.53 61.95 68.85 71.47 63.90 51.39 42.78 35.52 51.82
1998 38.76 41.39 45.45 49.15 54.74 62.48 75.26 71.42 ----- z 50.71 44.67 35.73 51.80
1999 41.31 41.43 43.65 46.25 53.50 62.27 67.97 71.34 61.58 51.56 46.90 37.98 52.14
2000 35.10 38.83 43.89 52.62 56.89 63.72 69.45 69.50 60.58 50.87 35.85 31.82 50.76
2001 34.11 36.25 45.11 47.42 58.89 61.12 69.73 a 71.98 65.12 51.31 43.45 37.39 51.82
2002 37.52 40.54 41.16 50.17 56.37 66.22 73.47 69.44 63.07 48.18 42.82 38.77 52.31
2003 39.84 38.98 48.39 48.52 56.71 66.28 73.79 71.26 65.13 56.05 38.92 36.11 53.33
2004 29.08 39.03 49.23 51.60 55.90 65.50 72.60 72.32 60.52 53.29 42.87 38.66 52.55
2005 33.94 38.09 47.08 49.40 58.42 ----- z 60.58 71.15 60.60 53.35 39.23 30.71 49.32
2006 42.18 35.82 42.63 49.58 56.76 63.73 73.74 68.68 ----- z 50.76 42.12 32.58 50.78
2007 30.34 39.55 46.16 48.15 56.69 62.52 73.29 67.65 60.67 49.90 40.07 36.15 50.93
2008 31.37 ----- z 41.90 43.71 m 56.56 61.07 70.82 ----- z 61.82 50.98 45.62 30.74 50.10
2009 33.68 34.91 39.27 47.45 56.82 64.62 73.08 70.81 64.73 47.11 42.83 27.44 50.23
2010 39.42 41.41 44.87 47.45 52.40 60.20 69.60 68.03 61.80 52.32 39.25 34.60 50.95
2011 37.82 36.05 43.52 44.53 a 51.47 59.66 b 66.24 70.50 66.28 52.05 41.83 33.73 50.31
2012 37.50 36.97 43.52 50.33 55.15 59.45 69.94 71.27 a 64.37 51.76 43.32 37.55 51.76
2013 30.95 38.95 43.71 c ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 37.87
Period of Record Statistics
MEAN 33.40 37.61 43.38 48.59 55.33 62.02 69.00 68.12 60.64 51.39 41.46 34.95 50.48
S.D. 5.93 4.09 2.59 2.61 2.61 2.54 2.84 2.70 2.79 2.50 3.29 3.97 1.32
SKEW -1.02 -0.80 0.02 0.31 0.02 0.41 -0.13 0.05 -0.04 0.15 -0.66 -0.53 0.01
MAX 44.27 46.00 49.39 55.62 60.66 68.35 76.23 74.55 66.28 58.89 48.24 44.40 53.71
MIN 15.03 22.41 37.03 43.57 48.90 56.03 60.58 61.42 54.33 45.77 29.23 22.45 46.78
NO YRS 115 114 114 109 112 112 112 114 113 114 114 115 98