UNION EXP STN, OREGON

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(358746)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201204
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
1911 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 30.81 j 28.43 25.74 27.09
1912 25.52 27.14 25.90 34.43 39.35 46.00 47.29 44.29 36.30 32.26 34.63 24.19 34.78
1913 20.45 18.21 27.29 34.83 40.10 46.57 47.84 46.77 37.80 31.94 33.63 24.77 34.18
1914 30.48 26.46 33.39 34.90 39.03 43.20 49.26 44.90 38.80 38.39 34.57 19.74 36.09
1915 21.94 31.68 31.06 36.00 39.68 42.03 46.65 50.61 37.83 36.39 27.79 a 24.58 35.52
1916 11.26 27.90 31.81 32.83 34.26 41.50 46.74 45.00 39.30 28.03 25.57 22.10 32.19
1917 16.45 21.79 21.68 32.03 38.65 41.93 48.84 44.58 42.20 32.26 33.40 35.90 34.14
1918 27.19 24.57 31.90 30.27 34.10 47.00 48.48 46.10 43.50 38.03 28.93 23.16 35.27
1919 25.55 26.64 29.35 33.33 37.90 41.90 46.90 46.26 38.60 29.55 28.20 14.52 33.23
1920 23.26 23.97 30.32 30.13 33.87 41.37 49.81 46.81 40.60 34.52 30.47 28.19 34.44
1921 24.81 25.82 30.77 31.43 38.42 48.07 46.71 48.19 38.50 35.90 31.93 27.26 35.65
1922 15.65 22.93 28.42 32.40 38.03 47.07 50.39 52.00 41.57 36.87 27.50 22.06 34.57
1923 28.90 22.21 27.52 34.23 40.65 46.53 50.84 46.97 40.83 36.65 29.63 24.84 35.82
1924 19.65 31.48 26.81 30.77 40.39 43.97 47.84 44.06 40.83 39.23 30.77 15.84 34.30
1925 25.61 32.18 31.77 35.17 41.10 46.47 52.03 47.74 42.97 32.97 33.03 29.45 37.54
1926 23.35 33.54 31.16 37.60 39.16 45.77 52.48 47.71 38.30 35.65 36.10 24.13 37.08
1927 24.58 30.29 29.65 32.57 38.26 45.83 48.03 48.71 42.17 38.26 36.37 17.94 36.05
1928 25.45 25.28 32.48 33.80 40.94 44.47 50.94 44.58 39.97 36.74 33.10 23.23 35.91
1929 14.39 19.64 31.29 32.47 39.39 44.63 49.26 49.06 37.87 34.55 26.33 32.45 34.28
1930 10.84 32.86 32.32 38.27 39.68 42.23 50.55 50.52 43.23 33.52 30.23 22.00 35.52
1931 26.61 27.07 30.55 35.00 42.26 45.83 49.68 47.39 42.43 35.61 26.00 23.94 36.03
1932 21.61 20.55 32.58 35.73 38.71 42.23 46.94 43.97 35.90 35.45 35.13 16.77 33.80
1933 21.74 14.54 29.68 30.87 35.32 46.23 47.52 46.45 38.43 37.23 29.60 34.10 34.31
1934 31.81 31.29 32.29 36.03 41.55 44.80 48.26 47.29 39.37 39.00 37.17 27.55 38.03
1935 24.97 28.79 28.65 32.93 36.74 44.17 48.94 44.74 39.93 33.52 27.20 26.42 34.75
1936 26.16 17.07 29.26 36.70 43.71 48.03 51.61 47.35 38.27 33.87 21.93 28.52 35.21
1937 6.48 24.25 31.94 34.77 39.61 44.77 50.94 45.68 42.03 38.68 35.53 30.39 35.42
1938 29.23 30.18 30.94 35.60 38.55 46.60 51.29 45.29 44.97 39.03 27.83 27.48 37.25
1939 28.13 23.86 30.26 34.13 40.26 42.27 49.81 46.52 41.07 35.84 29.20 32.90 36.19
1940 27.58 31.31 32.77 36.00 40.52 45.03 50.87 45.90 48.33 40.32 28.13 29.84 38.05
1941 30.81 31.71 29.84 34.37 41.77 45.40 50.32 50.74 41.70 37.03 34.40 29.97 38.17
1942 22.57 a 25.04 29.13 35.60 39.48 43.69 d 49.74 46.69 e 38.93 35.16 32.80 29.23 35.67
1943 18.23 28.54 28.48 36.10 36.13 41.33 47.35 44.35 39.27 36.19 32.10 26.35 34.54
1944 21.45 26.28 27.48 f 34.16 e 39.97 43.57 46.68 43.45 39.57 33.42 29.30 22.26 34.55
1945 26.84 29.54 29.94 32.37 39.16 41.47 45.39 44.61 38.07 34.39 30.63 23.77 34.68
1946 25.74 25.14 31.23 33.60 37.84 43.70 49.32 44.97 38.80 30.39 28.53 29.94 34.93
1947 17.97 28.75 30.58 33.37 41.32 43.53 48.48 44.10 40.87 40.00 31.60 28.48 35.75
1948 21.90 23.52 28.94 33.20 40.16 47.77 45.00 45.61 38.03 31.87 28.17 18.74 33.58
1949 2.23 23.32 30.39 33.30 41.67 a 41.80 45.52 47.32 40.80 32.17 a 33.28 a 26.19 33.16
1950 14.52 27.11 30.23 32.43 35.61 44.27 46.35 45.23 39.03 39.39 37.20 34.16 35.46
1951 23.87 27.29 26.00 30.77 40.23 42.37 48.77 45.32 40.77 36.03 30.40 22.90 34.56
1952 22.87 24.07 27.97 34.47 39.35 43.97 46.19 46.26 41.43 34.55 23.17 27.48 34.31
1953 35.29 26.32 30.29 33.63 37.16 43.20 46.58 47.68 41.03 34.90 36.37 29.03 36.79
1954 27.97 35.54 26.35 33.43 38.65 42.80 47.84 44.90 39.03 33.19 32.37 24.42 35.54
1955 22.74 21.50 23.48 32.20 36.65 45.30 48.45 44.35 40.47 36.42 26.87 25.84 33.69
1956 26.48 18.76 28.55 32.80 42.16 42.63 48.61 46.58 41.57 36.42 26.60 26.35 34.79
1957 11.48 25.14 31.94 34.67 43.35 47.07 48.26 46.50 a 41.63 36.45 26.77 30.06 35.28
1958 29.26 36.07 27.35 34.47 44.16 48.30 50.61 49.74 41.37 33.16 30.30 31.58 38.03
1959 26.16 27.21 30.23 33.57 37.13 45.93 47.48 46.39 42.70 36.74 26.43 24.39 35.36
1960 19.39 24.66 29.52 34.83 37.71 43.50 51.94 46.68 40.73 35.13 30.07 24.74 34.91
1961 26.23 33.32 32.48 34.50 39.48 47.90 50.55 52.55 38.37 33.23 26.40 25.19 36.68
1962 19.42 24.71 28.48 35.23 39.39 43.00 47.55 47.42 41.47 36.13 31.73 29.45 35.33
1963 13.77 32.54 30.00 33.47 39.90 45.97 46.58 48.65 46.53 37.19 33.07 25.32 36.08
1964 24.03 22.07 28.97 30.70 37.39 45.63 49.13 45.52 38.73 34.06 29.27 23.71 34.10
1965 27.10 28.61 24.00 35.93 37.03 44.97 49.81 50.42 37.40 36.06 34.23 24.71 35.86
1966 27.52 24.04 28.03 32.70 39.48 44.40 48.90 48.16 46.10 33.74 33.70 30.55 36.44
1967 30.84 29.07 28.39 30.30 37.52 46.30 51.29 50.00 45.30 35.74 30.00 21.74 36.37
1968 24.06 31.00 32.35 32.17 38.52 45.73 49.74 48.35 42.03 35.10 30.73 23.45 36.10
1969 21.84 26.11 27.32 33.57 41.19 48.07 a 47.77 a 46.74 43.37 31.71 30.67 29.29 35.64
1970 28.90 28.68 28.74 30.73 38.84 49.30 50.61 47.84 38.30 32.81 31.10 23.26 35.76
1971 26.16 27.71 28.32 32.57 41.39 43.93 48.97 51.81 37.33 30.32 31.10 22.52 35.18
1972 21.55 26.72 32.71 31.97 40.48 46.03 49.32 50.94 39.27 32.81 33.13 19.87 35.40
1973 21.03 30.75 31.77 32.30 39.81 45.23 49.68 48.74 43.03 34.68 32.10 32.13 36.77
1974 19.52 29.75 31.23 35.00 38.47 a 47.17 49.16 47.35 39.00 31.84 31.93 25.97 35.53
1975 23.48 25.04 a 26.81 29.87 37.16 43.97 53.90 46.48 38.53 38.45 b 28.37 28.45 35.04
1976 25.10 24.90 25.55 32.43 37.55 43.50 50.35 48.52 43.07 32.77 29.80 24.32 34.82
1977 17.81 29.04 29.13 33.80 38.26 48.33 47.52 50.81 41.37 34.68 31.90 32.00 36.22
1978 29.48 32.32 34.35 35.87 39.26 45.37 50.32 47.68 42.77 32.23 24.57 17.65 35.99
1979 10.26 26.89 30.03 34.53 40.97 43.80 49.32 50.97 43.50 36.87 26.47 31.97 35.47
1980 20.74 32.62 29.45 37.13 41.23 44.00 49.39 43.84 43.20 34.65 32.87 29.61 36.56
1981 31.03 27.07 28.65 36.33 40.06 44.77 46.97 49.29 41.80 34.29 34.77 30.13 37.10
1982 23.77 25.00 30.55 32.13 38.16 48.87 49.94 49.45 41.43 35.26 28.36 b 26.06 35.75
1983 30.77 34.14 35.06 31.90 39.52 44.63 48.84 52.81 38.57 33.52 34.53 18.77 36.92
1984 22.06 25.45 32.81 34.00 38.84 44.60 48.16 50.19 39.93 32.52 32.10 19.00 34.97
1985 17.03 20.07 26.77 35.70 40.65 45.83 52.19 46.13 39.07 33.42 18.47 16.77 32.68
1986 29.81 31.11 34.90 33.93 40.84 48.33 47.19 51.68 40.17 33.13 30.33 26.03 37.29
1987 21.06 29.07 33.00 38.13 42.90 47.87 50.42 45.16 40.73 30.06 30.17 24.23 36.07
1988 22.77 24.90 29.71 36.23 39.45 47.17 49.61 45.71 39.53 37.03 32.77 23.77 35.72
1989 21.00 14.96 30.06 36.43 38.45 46.03 50.03 47.45 39.07 33.10 32.70 24.16 34.45
1990 27.26 23.86 28.55 35.20 39.45 47.27 51.00 50.68 42.37 33.55 32.03 15.10 35.53
1991 18.81 32.29 29.61 33.57 38.97 44.43 49.29 51.03 41.00 31.06 31.50 29.74 35.94
1992 29.03 32.59 30.71 36.67 40.68 49.63 49.58 48.84 40.20 35.87 30.70 22.32 37.23
1993 19.19 21.79 31.77 35.47 44.84 46.23 46.81 47.29 38.83 35.48 20.93 27.29 34.66
1994 30.52 24.79 29.32 37.47 43.29 44.23 50.55 50.06 42.83 33.74 26.27 25.65 36.56
1995 27.74 29.71 29.81 33.10 40.74 46.37 50.74 46.00 44.10 32.87 34.57 27.52 36.94
1996 26.29 23.10 32.29 35.83 39.13 44.97 50.06 48.39 39.77 33.90 31.97 27.39 36.09
1997 25.39 26.14 32.03 34.57 42.71 46.00 49.13 50.42 45.20 34.26 33.80 24.16 36.98
1998 28.45 31.75 30.68 33.70 41.71 ----- z ----- z ----- z ----- z ----- z 32.97 23.58 31.83
1999 28.29 27.04 29.00 29.40 38.68 46.67 48.35 53.26 39.53 34.03 38.63 26.35 36.60
2000 27.84 31.93 31.13 37.70 43.48 46.30 50.90 a 48.53 a 43.77 35.94 25.27 25.40 a 37.35
2001 23.39 26.07 30.97 33.47 41.06 46.23 51.97 51.57 a 44.50 35.03 34.00 26.87 37.09
2002 25.39 25.54 29.06 34.07 39.13 48.27 53.10 46.58 41.57 28.77 30.07 28.03 35.80
2003 32.16 26.04 35.52 35.47 41.55 46.60 54.16 51.16 42.73 37.03 26.03 27.81 38.02
2004 23.48 27.34 32.45 33.60 40.74 46.89 b 51.26 52.03 a 41.60 35.45 29.63 27.97 36.87
2005 26.81 23.89 30.19 35.63 42.94 44.17 50.06 48.32 39.20 34.97 27.63 21.42 35.44
2006 30.23 24.29 30.97 34.87 40.97 48.63 53.13 47.35 43.30 32.83 g 33.13 25.65 37.50
2007 19.52 30.39 32.90 34.77 40.94 48.37 56.94 49.84 41.70 37.10 27.50 25.94 37.16
2008 21.68 29.24 28.48 30.47 42.35 44.53 50.39 ----- z 39.90 33.03 33.50 23.35 34.27
2009 20.97 26.21 26.77 33.27 40.45 47.33 51.52 51.16 44.27 33.90 30.50 18.77 35.43
2010 32.52 30.46 30.84 34.47 38.19 47.07 49.06 49.10 43.76 e 36.68 f 28.86 h 26.12 e 38.16
2011 19.19 o ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2012 ----- z ----- z ----- z 18.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
Period of Record Statistics
MEAN 23.54 26.88 29.97 33.95 39.64 45.30 49.36 47.72 40.89 34.76 30.54 25.52 35.65
S.D. 5.83 4.29 2.41 1.96 2.12 2.04 2.04 2.44 2.35 2.47 3.62 4.34 1.23
SKEW -0.98 -0.38 -0.53 -0.13 -0.21 -0.08 0.51 0.31 0.50 -0.13 -0.52 -0.28 -0.17
MAX 35.29 36.07 35.52 38.27 44.84 49.63 56.94 53.26 48.33 40.32 38.63 35.90 38.17
MIN 2.23 14.54 21.68 29.40 33.87 41.33 45.00 43.45 35.90 28.03 18.47 14.52 32.19
NO YRS 99 99 98 99 99 98 98 97 98 96 99 100 94