RICHLAND, OREGON

Monthly Average Temperature (Degrees Fahrenheit)

(357160)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201110
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 30.40 33.35 b 40.66 ----- z 57.97 a 64.97 73.53 a 76.76 60.70 51.75 q 41.03 38.19 51.76
1894 34.77 32.36 42.56 52.38 61.05 63.77 75.29 73.32 ----- z ----- z ----- z ----- z 54.44
1895 ----- z ----- z ----- z 50.37 56.95 64.47 69.76 71.97 b 55.72 54.79 43.83 30.84 55.41
1896 32.95 35.67 40.84 46.17 51.69 67.00 76.74 71.89 60.47 54.08 a 38.18 ----- z 52.34
1897 ----- z ----- z 34.12 b ----- z ----- z 58.39 b 65.06 70.08 57.63 48.36 b 37.42 31.03 50.26
1898 21.84 35.20 36.39 50.95 55.87 e 64.20 69.34 69.90 53.02 g ----- z ----- z ----- z 50.46
1899 32.40 27.54 39.95 46.93 51.66 61.55 69.02 61.45 60.18 44.02 40.82 24.02 46.63
1900 31.63 31.39 43.31 46.53 55.03 65.22 67.32 a 61.61 55.47 43.70 f 35.35 34.13 47.91
1901 30.68 32.54 39.00 a 42.63 54.97 57.43 69.52 71.58 54.75 53.39 43.70 y ----- z 50.65
1902 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1903 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1904 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1905 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 40.86 m 36.70 c 29.14 f 36.70
1906 26.41 d 33.79 35.11 50.17 a 54.11 57.00 g 74.71 b 69.23 a 60.88 ----- z 36.16 b 35.81 47.64
1907 28.96 e 43.04 e 43.13 a 46.81 v 58.06 61.75 69.50 c 66.97 61.55 57.52 39.88 33.18 51.23
1908 33.58 g 37.47 m 40.76 53.69 i 52.16 63.64 e 72.77 c 67.98 h 61.14 h 48.35 41.88 j 28.42 51.02
1909 33.23 38.19 b 40.75 g 46.27 53.82 i 64.30 e 67.31 w 69.17 b 61.38 50.52 41.67 24.12 a 47.65
1910 24.16 27.25 46.23 52.90 58.18 63.82 72.18 65.47 59.37 50.45 39.03 a 33.71 49.39
1911 30.78 a 29.44 a 42.94 46.47 51.39 64.55 70.78 h 66.95 k 55.60 i 47.05 36.10 28.74 b 41.94
1912 25.30 a 35.96 a 38.77 47.87 55.34 b 64.38 b 67.06 65.57 a 55.27 45.60 a 39.96 e 30.05 a 47.59
1913 26.93 a ----- z ----- z ----- z ----- z ----- z ----- z ----- z 57.37 o 46.61 41.77 28.87 36.05
1914 ----- z 33.25 b 45.19 b 51.15 d 60.04 d 61.17 a ----- z 70.13 d ----- z ----- z ----- z 22.18 f 53.49
1915 27.58 a 40.68 46.89 c 54.06 c 55.08 62.65 d 69.98 76.67 a 59.31 c 51.26 36.45 30.15 50.90
1916 21.84 35.74 43.89 51.00 52.02 61.73 70.38 a 69.60 60.83 47.61 36.61 c 23.30 h 50.11
1917 20.50 28.30 31.79 47.37 55.32 61.67 75.58 71.94 65.40 51.21 42.22 40.28 a 49.30
1918 33.52 35.89 45.35 48.98 55.50 72.57 71.98 67.39 63.93 a 52.27 36.45 29.37 51.10
1919 27.08 f 35.50 43.40 50.12 57.77 66.13 72.40 72.76 d 60.78 45.71 36.88 21.35 51.17
1920 25.71 36.24 41.68 46.88 b 54.24 61.76 a 74.17 b 70.32 61.03 47.98 37.90 35.29 49.43
1921 ----- z ----- z 42.75 a 45.48 56.15 65.73 70.71 70.20 a 54.98 51.97 41.25 32.05 53.13
1922 18.76 28.71 36.97 ----- z ----- z 69.52 e 74.84 72.72 a 64.13 53.74 35.58 29.50 48.45
1923 ----- z ----- z ----- z ----- z 58.46 d ----- z ----- z ----- z ----- z ----- z ----- z ----- z 58.46
1924 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1925 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1926 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1927 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1928 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1929 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1930 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1931 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1932 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1933 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1934 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1935 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1936 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1937 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1938 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1939 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1940 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1941 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1942 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1943 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1944 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 39.35 30.31 34.83
1945 32.31 37.61 40.97 47.39 g 56.89 60.88 72.23 69.32 a 59.74 a 52.84 c 38.90 30.45 50.19
1946 30.55 32.46 b 44.58 52.50 58.10 62.95 71.42 69.89 58.30 45.02 c 38.17 34.79 49.89
1947 25.45 39.91 45.95 50.03 64.48 60.48 72.45 68.29 62.63 55.02 37.72 32.27 51.22
1948 ----- z ----- z ----- z ----- z ----- z ----- z 68.68 67.50 62.57 55.92 k 40.62 23.92 52.66
1949 9.08 ----- z 44.94 52.20 61.45 63.88 70.22 a 72.29 64.87 47.68 a 43.68 32.88 a 51.20
1950 ----- z 35.27 39.18 a 50.58 55.56 62.52 d 70.90 71.16 62.45 56.47 43.27 38.39 53.25
1951 ----- z ----- z 37.48 52.38 60.79 64.40 75.13 70.81 63.78 50.05 37.90 28.81 54.15
1952 26.48 30.57 33.42 51.48 63.18 n 64.95 76.81 73.22 a 65.05 56.74 36.88 38.53 50.38
1953 42.53 k 38.62 44.45 ----- z 57.83 h 63.45 76.52 73.77 64.90 47.56 43.80 g 26.79 54.51
1954 28.50 39.55 28.67 v 43.68 55.95 ----- z 77.50 a 68.32 ----- z 47.72 k 38.04 c 30.98 47.82
1955 26.92 28.32 34.97 a 45.52 a 56.77 66.95 74.55 73.92 64.20 54.32 34.79 b ----- z 51.02
1956 35.35 a 29.90 43.65 50.11 g 60.40 ----- z 76.68 71.69 65.18 b 51.34 33.72 e 30.55 49.85
1957 17.53 33.96 44.16 ----- z 60.71 66.80 73.32 72.69 67.93 44.57 a 28.82 k ----- z 53.52
1958 ----- z 43.88 41.32 a 50.08 65.79 69.07 77.21 76.77 61.60 ----- z 38.57 i ----- z 60.71
1959 36.47 37.50 41.60 51.57 53.82 69.92 f 72.92 72.67 e 63.03 51.77 36.57 31.92 49.99
1960 25.19 j 34.74 51.29 50.78 57.06 e 66.92 79.47 71.23 63.00 55.98 46.93 31.87 a 55.39
1961 33.00 44.30 43.50 51.42 59.02 73.14 b 75.50 b 78.26 58.40 49.89 37.50 m 32.27 54.43
1962 23.87 31.43 43.03 57.33 58.47 65.92 71.81 69.82 63.52 52.21 43.10 i 35.50 52.08
1963 22.60 43.34 46.44 ----- z 62.11 64.05 72.26 73.24 68.58 58.85 48.92 f 29.30 d 54.08
1964 31.21 30.53 43.81 49.22 57.70 a 63.65 72.71 70.02 59.87 55.73 39.83 34.00 50.69
1965 35.89 38.64 37.73 56.72 59.58 a 66.32 73.32 71.63 59.50 53.60 44.70 33.05 52.56
1966 36.45 36.59 48.90 52.45 59.00 67.07 72.76 75.45 70.33 53.81 g 47.22 35.50 a 54.70
1967 35.39 38.70 42.11 43.13 k 57.47 69.19 f 76.68 76.94 67.58 50.52 a 40.83 28.50 51.47
1968 31.37 43.40 47.10 46.12 57.53 67.94 e 74.74 f 68.34 62.63 49.48 40.40 31.95 49.66
1969 32.06 34.18 42.10 52.60 61.10 65.98 71.19 72.72 d 63.58 d 45.29 39.73 35.26 51.32
1970 34.47 39.54 42.53 46.45 58.27 69.92 73.87 74.40 57.38 a 48.95 41.23 30.37 51.45
1971 33.16 37.93 38.32 47.87 59.32 63.21 f 73.82 76.58 57.27 48.87 37.90 29.08 49.10
1972 31.48 33.33 45.24 47.18 60.58 67.30 71.18 72.77 58.07 50.48 39.20 22.12 g 52.44
1973 33.00 39.80 45.11 50.71 a 59.02 65.92 72.02 70.89 61.25 49.42 39.92 36.98 52.00
1974 26.37 37.07 40.87 49.07 54.48 70.90 71.90 69.19 62.95 49.58 39.63 30.53 50.21
1975 26.68 33.52 39.32 43.83 56.48 62.87 74.74 68.61 63.65 50.75 a 37.50 31.10 49.09
1976 30.71 34.09 38.87 48.45 57.74 62.52 74.10 68.18 64.88 53.34 42.68 29.48 a 50.42
1977 21.97 n ----- z ----- z 54.72 56.52 70.97 71.87 72.24 61.76 a 51.84 38.27 37.05 57.25
1978 36.58 39.96 48.89 50.65 55.08 63.85 72.76 68.16 60.02 52.26 35.15 25.31 50.72
1979 13.76 33.43 45.44 50.27 59.52 66.68 74.37 72.56 66.33 55.81 34.70 b 35.79 50.72
1980 32.23 39.78 42.65 52.20 58.18 61.88 72.82 ----- z ----- z ----- z ----- z ----- z 51.39
1981 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1982 ----- z ----- z 43.65 47.27 57.87 67.03 72.05 71.69 64.40 53.95 ----- z 31.87 56.64
1983 35.52 c 38.59 47.44 48.35 58.22 d 64.02 51.34 ----- z 60.08 54.32 41.28 27.38 a 47.87
1984 24.79 28.95 42.53 58.03 ----- z ----- z ----- z ----- z ----- z 48.22 d 38.87 ----- z 40.23
1985 ----- z 29.00 38.65 63.52 68.00 ----- z ----- z ----- z 71.52 a ----- z ----- z ----- z 54.14
1986 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 73.85 56.18 50.05 38.80 30.07 a 49.79
1987 26.18 37.27 42.58 54.55 60.79 67.61 c 70.21 68.60 a 62.82 51.94 40.25 32.40 51.27
1988 26.40 35.41 b 41.90 50.28 56.95 67.13 72.61 69.32 59.48 57.97 39.55 25.60 50.22
1989 20.63 16.80 41.18 50.80 54.18 66.17 73.24 68.32 60.15 49.06 38.87 30.82 47.52
1990 34.68 32.88 42.48 53.35 54.11 63.07 73.73 71.52 67.00 46.77 38.43 20.13 49.85
1991 23.24 38.66 40.65 46.98 52.52 60.42 72.69 73.60 62.52 49.97 36.28 31.24 49.06
1992 32.02 41.29 48.02 51.68 61.61 68.03 68.19 70.19 58.93 52.10 35.50 26.84 51.20
1993 22.10 27.04 39.47 46.27 61.31 60.70 62.45 68.84 l ----- z 47.37 l 30.05 32.23 42.40
1994 33.31 32.02 43.66 51.12 59.00 64.05 73.47 72.87 64.30 48.82 32.07 30.02 50.39
1995 33.34 40.27 42.61 46.60 56.19 62.18 71.16 67.23 63.47 45.92 40.78 33.90 50.30
1996 31.81 34.19 42.89 48.65 54.34 64.07 74.00 71.53 59.40 48.82 38.97 34.35 50.25
1997 30.94 35.57 43.27 ----- z ----- z 64.98 69.34 ----- z ----- z 48.16 39.97 ----- z 47.46
1998 ----- z 38.20 42.37 47.43 56.79 61.17 76.29 ----- z ----- z ----- z ----- z ----- z 53.71
1999 35.26 33.61 40.94 45.63 53.92 ----- z 70.03 69.60 60.53 ----- z 41.40 ----- z 50.10
2000 32.64 b 38.52 a 40.76 d 51.15 t ----- z 67.77 78.69 ----- z 61.10 48.76 33.52 31.45 48.13
2001 24.98 ----- z 43.79 47.90 62.10 74.65 72.53 75.65 ----- z 45.44 38.50 a ----- z 53.95
2002 27.29 34.16 ----- z ----- z 61.55 a 64.48 ----- z ----- z ----- z 46.40 36.67 35.58 43.73
2003 35.74 36.36 42.21 46.08 ----- z 70.62 80.39 72.63 61.13 55.73 34.40 33.82 51.74
2004 26.37 31.93 h 45.23 49.62 56.44 65.45 74.58 71.69 60.12 50.87 37.92 33.13 51.95
2005 30.53 34.80 43.06 47.13 56.58 61.52 72.79 71.61 59.08 48.94 35.53 26.26 48.99
2006 33.74 32.70 38.77 48.32 56.65 66.43 78.84 69.32 60.83 48.06 40.83 28.94 50.29
2007 25.90 36.45 44.32 48.68 58.18 66.27 77.97 70.19 60.42 46.77 36.48 31.16 50.23
2008 26.21 33.98 37.40 43.30 56.29 62.45 71.90 70.03 59.60 48.40 39.68 28.50 48.15
2009 26.69 31.89 38.35 46.88 55.23 62.80 73.10 70.68 64.05 43.85 36.52 24.98 47.92
2010 34.27 36.48 40.77 45.27 49.98 61.45 70.52 69.18 61.17 52.48 36.70 30.81 49.09
2011 27.95 a 31.79 39.82 a 42.02 a 50.73 60.48 69.68 72.45 64.90 49.10 ----- z ----- z 50.89
Period of Record Statistics
MEAN 28.93 35.05 42.03 49.45 57.33 64.84 72.52 71.03 61.71 50.51 38.65 31.12 49.98
S.D. 5.53 4.62 3.57 3.69 3.32 3.26 3.91 3.06 3.40 3.54 3.05 3.93 1.34
SKEW -0.99 -0.63 -0.33 0.82 0.36 0.59 -1.94 -0.34 0.30 0.26 0.20 -0.28 -0.60
MAX 36.58 44.30 51.29 63.52 68.00 74.65 80.39 78.26 71.52 58.85 47.22 40.28 52.56
MIN 9.08 16.80 31.79 42.02 49.98 57.43 51.34 61.45 54.75 43.85 30.05 20.13 46.63
NO YRS 75 79 84 75 81 80 83 80 78 77 78 75 34