PENDLETON WSO AIRPORT, OREGON

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(356546)

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
1928 24.06 27.41 36.90 37.77 44.42 50.73 57.52 50.81 44.23 39.23 34.30 27.03 39.53
1929 17.58 14.54 36.65 36.47 43.06 50.83 52.74 54.03 44.97 35.68 22.77 31.35 36.72
1930 4.32 35.18 35.52 40.10 44.00 48.73 53.55 52.67 a 44.80 35.00 29.43 26.71 37.50
1931 29.58 27.86 32.06 37.07 45.10 50.97 52.23 48.71 42.50 33.94 28.40 23.58 37.67
1932 26.58 25.41 37.61 38.03 43.55 49.07 51.39 51.32 41.23 37.45 36.67 21.39 38.31
1933 29.45 23.75 35.03 36.97 40.87 49.27 52.19 52.29 43.23 36.58 32.93 36.97 39.13
1934 33.84 32.21 36.48 42.87 45.68 50.43 52.39 49.84 42.33 39.81 39.57 33.10 41.55
1935 26.58 30.93 32.03 34.83 44.77 52.57 57.68 55.29 52.77 40.00 27.57 28.13 40.26
1936 29.61 11.86 33.68 44.03 49.61 54.93 58.90 58.81 49.73 43.06 24.50 33.00 40.98
1937 4.68 26.04 36.97 39.23 45.55 52.90 60.37 a 55.74 51.23 45.71 36.73 32.58 40.64
1938 30.45 30.93 35.58 40.63 45.48 53.57 61.23 56.48 55.07 43.58 30.93 30.84 42.90
1939 33.10 27.18 37.68 40.97 47.77 50.50 59.87 58.16 51.20 42.55 31.83 33.94 42.90
1940 26.00 35.59 40.06 42.83 48.87 54.07 58.48 57.77 54.30 45.87 29.27 28.77 43.49
1941 28.97 32.04 37.29 42.20 47.06 52.17 61.74 58.55 49.77 41.87 35.47 31.71 43.24
1942 16.06 30.71 34.71 41.90 45.94 50.83 59.94 59.77 51.73 43.23 33.73 31.61 41.68
1943 17.97 31.21 33.68 43.93 45.29 50.77 59.45 55.61 53.70 44.94 34.43 28.16 41.60
1944 26.48 27.90 30.16 39.10 44.35 49.60 54.42 51.58 46.67 38.48 32.10 27.65 39.04
1945 31.45 32.93 35.29 39.40 48.58 51.77 60.16 59.32 50.30 44.39 34.97 27.84 43.03
1946 32.84 32.64 36.06 40.80 47.06 51.63 59.42 58.39 50.30 39.87 31.07 30.97 42.59
1947 22.61 31.32 38.13 42.17 50.71 51.83 58.06 56.26 52.07 45.45 36.30 32.42 43.11
1948 27.42 27.28 32.87 38.67 46.26 56.70 56.07 c 55.81 e 49.83 39.03 33.87 24.71 40.71
1949 9.74 26.11 34.87 42.37 50.65 51.83 57.16 57.13 52.13 37.68 37.60 30.52 40.65
1950 8.61 25.07 33.68 37.83 44.26 53.03 59.10 59.16 52.13 43.81 35.32 e 33.90 40.49
1951 26.84 30.04 31.45 39.27 46.00 53.23 59.03 56.97 51.40 41.81 32.83 24.19 41.09
1952 22.68 31.48 34.16 40.37 47.68 51.57 59.00 a 57.94 53.73 45.23 26.87 30.52 41.77
1953 39.84 f 33.32 35.94 39.70 43.50 c 48.73 57.52 57.74 51.83 42.42 e 37.20 33.52 43.77
1954 27.29 32.82 30.10 38.40 46.19 49.53 56.06 54.03 49.43 38.48 38.43 27.42 40.68
1955 28.26 27.57 29.10 35.90 42.77 52.97 56.52 56.03 49.73 42.58 27.23 26.32 39.58
1956 26.84 21.14 34.13 41.13 49.68 50.17 60.48 57.81 51.77 40.97 31.24 a 29.67 a 41.25
1957 11.42 28.54 35.32 41.73 50.71 55.07 56.71 55.39 52.27 40.87 31.73 33.61 41.11
1958 31.48 38.57 32.55 40.23 51.90 56.53 62.26 61.90 51.33 41.84 34.10 32.10 44.57
1959 28.45 30.93 34.77 39.77 43.29 53.23 58.97 56.45 50.13 42.35 26.57 27.58 41.04
1960 18.13 30.59 34.23 40.43 44.13 52.47 61.71 55.68 50.60 42.84 34.00 25.81 40.88
1961 30.94 37.46 37.48 39.63 45.90 55.53 60.10 61.58 46.03 38.19 26.73 31.13 42.56
1962 24.45 32.07 34.97 41.57 44.52 50.23 57.32 56.29 50.93 42.84 37.60 33.16 42.16
1963 19.42 35.25 35.94 39.10 46.90 53.23 54.74 57.13 54.00 44.10 37.07 28.23 42.09
1964 33.13 31.38 34.35 37.20 43.58 52.50 56.87 54.39 49.30 39.84 34.27 26.19 41.08
1965 30.84 33.29 29.77 41.87 45.42 53.37 59.06 58.39 47.13 45.16 38.03 30.13 42.70
1966 32.19 32.32 35.10 39.73 45.65 51.50 56.68 57.32 53.40 41.90 37.23 34.81 43.15
1967 35.97 32.93 34.10 35.87 45.35 55.40 60.77 62.97 55.50 42.68 32.90 29.35 43.65
1968 29.00 35.66 37.58 38.63 47.35 54.47 61.39 58.71 53.10 39.58 36.40 27.26 43.26
1969 15.74 29.50 34.71 38.80 48.55 56.20 56.61 54.19 51.97 38.68 33.87 29.29 40.68
1970 26.26 33.00 33.55 35.00 44.10 54.33 58.77 55.94 43.50 36.29 32.10 28.48 40.11
1971 32.61 30.82 31.10 37.03 47.42 51.67 59.87 61.29 46.40 39.77 35.53 30.42 41.99
1972 26.58 30.38 37.97 36.50 47.77 55.03 59.58 61.06 47.33 39.94 35.13 19.58 41.41
1973 23.58 31.21 35.87 37.73 47.06 52.63 58.90 56.65 51.10 41.97 36.60 35.23 42.38
1974 23.94 35.68 36.97 42.10 46.39 55.70 58.71 60.58 51.23 42.13 37.60 33.29 43.69
1975 30.77 31.93 36.42 37.50 46.77 52.80 63.68 55.81 50.57 44.81 33.50 34.13 43.22
1976 32.74 30.03 32.94 39.30 45.00 50.27 58.45 55.61 52.77 40.42 36.10 27.94 41.80
1977 21.71 33.50 35.68 41.33 44.13 54.63 55.68 60.39 47.97 39.16 30.20 29.77 41.18
1978 27.74 33.39 36.06 38.80 43.13 52.33 57.52 56.90 49.47 38.32 25.30 22.58 40.13
1979 10.13 30.14 36.39 40.43 46.94 52.17 56.48 57.74 51.03 43.71 29.60 30.52 40.44
1980 19.74 29.97 33.16 40.17 45.35 48.73 57.16 52.52 50.23 40.61 35.43 32.26 40.44
1981 32.48 31.46 36.35 40.40 46.06 50.77 54.71 58.52 50.53 39.94 35.43 31.00 42.31
1982 27.74 29.64 34.32 36.13 44.84 55.80 57.39 58.26 48.73 40.74 30.73 31.10 41.29
1983 33.84 36.36 39.71 38.33 47.06 50.63 55.10 59.26 46.60 41.77 38.80 17.13 42.05
1984 27.74 32.66 38.10 38.50 43.90 51.23 57.19 58.65 48.60 39.03 35.60 24.32 41.29
1985 23.68 25.43 33.94 41.83 46.26 51.87 62.16 54.74 45.97 39.68 19.37 15.55 38.37
1986 29.48 32.68 39.71 39.40 47.23 56.07 54.90 61.23 48.87 41.87 35.80 27.39 42.88
1987 23.74 31.96 37.74 41.93 47.87 52.20 55.48 55.16 51.33 39.55 34.23 25.81 41.42
1988 26.16 30.76 33.71 41.17 44.52 51.87 57.32 55.06 49.77 45.58 37.33 28.00 41.77
1989 31.45 17.25 34.06 42.27 44.55 52.03 55.58 56.23 49.30 40.32 36.10 27.19 40.53
1990 33.84 29.18 34.87 43.43 45.61 52.03 60.10 59.65 53.50 40.77 37.30 17.00 42.27
1991 24.13 36.54 33.29 38.90 43.87 48.33 56.45 58.68 50.03 39.74 34.77 31.55 41.36
1992 32.29 35.31 36.74 42.00 47.58 56.80 59.00 58.26 49.17 42.94 34.07 25.74 43.32
1993 18.35 21.54 33.26 40.67 49.94 51.03 54.00 54.10 49.47 42.48 24.13 30.19 39.10
1994 33.35 27.68 34.65 43.17 48.39 50.70 59.97 57.52 53.27 40.48 33.70 28.94 42.65
1995 28.65 33.50 34.87 39.20 45.52 49.47 57.03 52.16 51.37 39.39 38.20 28.87 41.52
1996 27.03 25.14 34.00 40.23 43.52 49.53 57.87 56.26 47.67 40.13 32.70 28.13 40.18
1997 25.94 31.96 35.94 38.33 46.58 50.10 54.55 57.19 50.70 39.55 34.90 29.29 41.25
1998 29.55 34.25 35.48 38.40 45.87 51.93 61.45 58.03 54.00 38.65 38.70 29.19 42.96
1999 34.32 34.11 33.19 34.93 a 41.52 50.00 53.48 57.81 46.30 37.03 37.57 32.45 41.06
2000 30.19 32.72 33.90 a 40.87 46.35 51.00 55.65 54.26 48.47 39.71 28.67 26.84 40.72
2001 28.65 28.75 33.74 37.07 43.68 48.70 55.23 56.87 50.37 39.77 34.87 30.30 a 40.67
2002 30.74 28.71 32.00 37.73 43.55 53.33 59.06 54.94 48.97 35.81 32.87 34.06 40.98
2003 35.94 30.82 39.58 39.27 45.13 51.97 58.87 57.26 51.40 42.55 29.77 29.48 42.67
2004 23.29 32.03 37.19 39.47 47.65 53.30 59.94 60.55 49.90 44.00 34.10 32.19 42.80
2005 28.94 26.04 35.26 38.93 47.55 49.00 56.84 55.94 46.50 41.06 31.80 23.19 40.09
2006 34.65 26.00 34.13 38.67 45.35 52.37 58.42 54.55 48.93 38.00 34.23 27.29 41.05
2007 24.42 31.18 35.84 37.97 43.81 51.10 59.65 53.84 46.73 37.52 30.57 28.71 40.11
2008 23.35 31.97 31.19 33.93 46.29 49.07 55.52 55.94 46.33 ----- z 35.07 20.74 39.04
2009 27.23 28.46 31.16 36.90 45.10 52.63 57.71 57.45 49.27 37.19 32.13 20.55 39.65
2010 33.19 33.54 32.81 37.30 42.77 50.70 54.97 54.42 50.47 41.19 28.83 27.81 40.67
2011 28.16 27.86 34.13 34.63 41.90 48.30 51.90 54.61 49.60 40.26 31.03 23.65 38.84
2012 25.35 28.55 32.52 39.17 43.23 48.77 55.71 54.74 48.10 40.87 37.23 34.00 40.69
2013 27.06 32.61 36.16 45.50 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 31.94
Period of Record Statistics
MEAN 26.26 30.21 34.86 39.37 45.82 51.97 57.57 56.60 49.67 40.77 33.20 28.69 41.26
S.D. 6.84 4.53 2.30 2.27 2.20 2.18 2.66 2.77 3.01 2.64 4.04 4.26 1.52
SKEW -1.32 -1.51 -0.11 -0.16 0.42 0.39 -0.25 -0.29 -0.64 -0.12 -0.98 -0.89 -0.51
MAX 35.97 38.57 40.06 44.03 51.90 56.80 63.68 62.97 55.50 45.87 39.57 36.97 44.57
MIN 4.32 11.86 29.10 33.93 40.87 48.30 51.39 48.71 41.23 33.94 19.37 15.55 36.72
NO YRS 85 86 86 85 85 85 85 85 85 84 85 85 83