PRINEVILLE 4 NW, OREGON

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(356883)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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
1897 23.13 25.07 26.00 31.50 42.47 a 43.00 45.68 47.06 36.76 a 35.53 a 27.84 e 25.23 34.11
1898 18.74 27.93 20.23 25.73 29.77 35.07 36.55 44.45 34.71 i 27.29 18.87 15.23 27.26
1899 28.55 20.57 27.58 27.27 27.71 31.60 38.77 33.90 36.10 28.77 24.53 22.03 28.95
1900 22.23 12.89 36.26 29.73 32.26 39.77 39.06 37.58 31.43 26.19 20.96 b 26.00 29.53
1901 17.45 19.00 22.23 28.57 28.45 38.30 38.71 48.65 39.03 29.00 25.80 24.52 29.98
1902 21.77 28.71 26.90 26.50 38.16 39.30 40.81 41.45 27.53 26.39 21.00 26.10 30.39
1903 21.35 34.07 ----- z ----- z ----- z 49.15 q 41.48 43.52 36.47 31.03 31.23 24.29 32.93
1904 24.55 27.28 29.13 34.53 38.54 g 39.60 47.10 43.71 38.33 33.90 30.97 23.97 a 33.91
1905 23.29 19.75 32.16 32.10 36.32 42.60 47.48 43.45 39.90 a 30.26 20.63 25.68 32.80
1906 26.35 25.57 24.74 31.87 37.74 42.33 50.60 a 44.39 40.63 32.10 27.00 28.42 34.31
1907 15.29 28.14 28.61 30.63 36.44 d 42.00 47.14 b 42.62 b 36.50 f 34.71 26.52 a 26.87 32.63
1908 26.13 24.77 g 26.90 30.55 a 33.10 a 40.23 49.45 43.39 37.48 a 32.79 b 26.27 20.24 b 33.32
1909 15.29 30.29 27.32 26.59 a 33.13 42.38 a 43.58 40.00 41.13 32.57 a 32.93 13.65 31.57
1910 19.00 z 25.74 i ----- z 34.86 a 38.32 39.33 44.77 a 37.48 f 32.50 p 29.92 f 28.53 24.94 35.13
1911 21.78 d 18.35 b 24.81 26.83 36.84 44.60 44.10 40.29 34.07 27.48 23.27 18.32 30.06
1912 19.74 26.25 a 21.97 28.40 33.81 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 26.03
1913 19.74 ----- z ----- z ----- z ----- z 40.50 h 43.06 47.15 r 34.11 b 28.94 31.83 a 16.06 28.96
1914 30.13 a 26.71 27.16 32.66 a 35.71 39.14 b 43.06 41.68 l 34.62 d 33.87 24.90 15.68 31.24
1915 22.24 b 28.89 29.68 31.14 a 37.06 37.50 42.42 44.87 a 34.93 28.73 a 29.10 a 24.45 b 32.58
1916 8.06 26.52 28.16 30.62 a 31.68 39.60 42.87 41.55 34.37 21.00 16.50 17.23 28.18
1917 14.87 19.11 19.16 29.37 34.32 37.97 a 45.23 42.81 39.87 26.90 28.80 31.94 30.86
1918 26.52 24.21 27.32 24.57 b 30.10 40.60 42.92 e 39.39 40.80 32.82 c 25.57 21.39 31.35
1919 20.74 25.89 26.16 29.43 33.45 37.03 45.13 43.74 37.33 28.32 27.33 15.52 30.84
1920 24.03 21.62 27.16 28.90 31.23 41.43 b 45.75 c ----- z ----- z ----- z ----- z ----- z 31.45
1921 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 44.09 h 35.30 33.35 29.97 18.90 29.38
1922 15.45 b 20.96 25.94 26.38 a 35.87 45.00 49.45 45.81 ----- z 31.77 22.73 18.45 30.71
1923 25.72 b ----- z 22.52 31.20 37.68 42.93 47.90 47.45 38.60 32.58 26.47 19.65 33.88
1924 20.35 28.34 23.74 28.20 37.94 42.07 46.81 46.03 41.52 i 52.87 32.75 n 12.61 33.90
1925 30.90 30.89 26.26 36.73 40.65 ----- z 51.55 52.42 ----- z 27.28 m 28.83 25.26 35.94
1926 21.32 30.79 26.35 35.66 a 37.45 42.70 52.10 44.45 31.57 30.35 31.17 a 23.06 33.91
1927 24.29 32.89 26.42 28.40 34.26 44.37 ----- z 42.83 a 38.14 b 33.84 l 32.90 14.55 31.91
1928 19.97 23.61 a 31.29 29.80 36.71 41.77 43.74 38.03 32.87 28.23 26.97 19.10 31.01
1929 14.17 a 7.43 27.87 28.07 34.65 40.73 41.06 38.45 30.90 25.45 16.57 25.42 27.56
1930 3.42 29.14 26.06 32.03 34.52 36.30 40.29 41.39 36.10 27.65 22.67 21.55 29.26
1931 23.74 22.50 27.87 30.50 35.55 40.80 41.39 40.26 34.73 28.52 24.23 23.32 31.12
1932 22.29 21.21 31.61 31.30 36.23 40.60 39.94 38.90 31.80 29.35 30.07 14.23 30.63
1933 19.65 18.79 28.29 28.10 33.16 45.10 43.87 39.55 33.17 27.97 21.43 30.71 30.81
1934 27.13 25.21 27.90 33.80 38.26 38.97 41.87 40.97 33.30 c 32.58 32.28 a 23.26 32.96
1935 20.00 23.82 21.39 29.57 28.10 39.83 41.81 36.19 32.27 24.94 16.87 18.81 27.80
1936 22.68 15.31 22.87 30.43 36.00 41.30 43.10 40.68 32.47 25.32 17.47 22.65 29.19
1937 0.71 22.11 31.42 31.07 34.39 42.57 44.26 38.68 35.03 32.84 33.17 26.03 31.02
1938 24.26 22.39 27.13 31.20 32.52 39.60 44.39 36.03 36.87 30.71 20.87 18.55 30.38
1939 21.45 20.93 25.42 26.93 38.10 37.17 42.42 37.58 34.97 27.84 19.77 28.26 30.07
1940 16.39 27.62 27.35 30.33 33.32 36.57 42.35 36.84 38.33 30.48 24.00 20.55 30.35
1941 23.13 24.96 22.03 30.00 37.39 40.07 44.45 44.97 34.07 a 30.55 28.23 24.06 31.99
1942 11.84 23.74 a 23.90 27.33 36.26 37.07 43.42 40.52 33.07 27.35 28.10 26.19 29.90
1943 15.26 23.14 23.84 31.37 30.52 37.40 40.13 36.55 32.80 31.71 25.90 20.19 29.07
1944 16.00 21.69 20.10 26.53 32.10 39.27 43.03 38.23 37.60 32.19 25.60 21.26 29.47
1945 24.42 26.07 26.03 27.57 37.97 36.90 42.61 41.03 32.37 27.71 28.20 23.26 31.18
1946 23.58 25.39 26.68 28.90 34.68 41.73 42.84 40.97 33.47 28.10 25.60 24.61 31.38
1947 15.35 25.43 25.58 29.93 37.45 40.77 43.23 41.84 36.40 37.26 29.20 25.87 32.36
1948 21.71 20.00 c 25.97 30.07 35.03 46.50 41.97 40.13 34.17 a 28.32 24.57 18.23 30.56
1949 3.42 21.57 27.42 28.43 38.39 37.03 39.55 39.32 34.57 23.17 a 25.93 a 23.87 28.56
1950 10.39 25.46 27.29 28.87 31.70 a 42.89 b 42.19 40.46 c 33.80 36.26 31.37 30.77 31.79
1951 23.79 b 27.89 24.00 25.30 35.87 38.30 42.16 36.70 a 34.17 a 30.48 25.43 22.58 30.56
1952 16.84 23.62 25.90 28.70 36.74 40.37 40.65 40.10 36.33 29.61 13.43 21.65 29.49
1953 31.80 a 25.32 25.55 29.73 33.26 37.67 39.74 43.71 37.97 29.48 33.10 26.61 32.83
1954 25.48 27.21 21.16 28.07 34.74 39.60 39.45 37.13 33.13 30.23 28.87 20.16 30.44
1955 20.19 21.93 22.81 27.70 33.48 40.70 42.42 36.03 38.87 31.26 26.00 a 24.26 30.47
1956 25.65 22.00 26.10 27.57 39.84 43.27 43.58 39.16 33.07 30.45 23.37 21.16 31.27
1957 7.23 24.79 30.77 31.00 a 39.35 40.76 a 40.03 37.77 36.87 33.81 21.40 29.55 31.11
1958 27.45 33.71 25.42 30.20 39.29 45.13 44.00 43.29 34.77 25.94 25.33 26.13 33.39
1959 22.90 22.61 22.48 25.10 32.29 40.93 40.94 35.97 38.00 30.19 20.87 18.87 29.26
1960 16.55 25.21 28.32 30.63 34.94 37.10 42.45 38.13 31.38 a 27.10 a 22.37 22.87 29.75
1961 25.42 29.79 29.71 29.97 35.45 43.07 42.17 a 44.61 31.30 26.42 21.07 24.65 31.97
1962 16.55 26.29 26.06 31.38 a 34.94 37.90 40.19 42.06 32.63 31.10 a 31.53 25.06 31.31
1963 11.55 31.68 25.16 ----- z 35.29 38.40 40.90 ----- z 41.73 ----- z 28.57 23.03 30.70
1964 22.61 17.76 21.94 22.37 ----- z 41.63 42.90 39.13 31.87 26.94 25.90 23.77 28.80
1965 27.39 24.11 18.81 29.20 29.65 40.24 a 43.97 44.19 29.47 29.52 28.90 19.61 30.42
1966 25.10 23.25 24.45 24.80 33.45 40.57 42.48 40.81 38.87 26.47 a ----- z 25.65 31.44
1967 26.87 23.04 23.77 25.40 32.16 40.47 40.84 42.45 37.03 30.77 26.37 17.67 a 30.57
1968 21.03 29.61 a 25.70 a 23.97 35.16 40.60 43.61 ----- z 36.27 ----- z 29.13 22.26 30.73
1969 15.32 22.29 21.94 28.47 37.19 43.77 40.52 38.19 37.67 27.16 22.83 24.45 29.98
1970 25.94 26.25 25.39 22.73 32.93 b 43.83 43.90 38.90 32.70 27.45 28.53 23.71 31.02
1971 23.35 23.29 25.00 26.37 35.10 39.83 44.00 44.29 31.80 26.97 25.70 23.26 30.75
1972 20.48 26.48 29.29 25.37 34.81 40.70 43.03 42.58 32.73 27.35 29.77 11.55 30.35
1973 20.87 26.36 23.68 26.83 36.59 d 38.90 39.29 39.61 36.70 28.61 28.93 29.90 31.36
1974 18.55 25.07 27.19 29.17 32.61 42.00 44.00 41.35 33.93 25.65 29.00 24.55 31.09
1975 23.84 23.50 23.94 23.60 32.48 39.93 48.16 40.65 32.43 34.68 25.17 24.87 31.10
1976 24.35 22.48 23.77 28.20 33.52 36.43 44.94 46.13 38.93 26.74 29.30 16.42 30.94
1977 14.13 21.93 23.00 27.20 34.68 42.23 43.19 46.71 37.87 30.68 25.13 27.68 31.20
1978 27.45 28.57 29.61 30.87 32.06 40.67 44.35 42.23 36.80 27.13 17.17 15.71 31.05
1979 5.00 25.00 25.65 29.73 34.87 ----- z ----- z 44.42 38.23 34.77 25.57 25.77 28.90
1980 22.53 a 28.61 a 25.30 d 31.30 35.80 a 39.23 43.52 37.87 36.93 28.87 28.60 25.87 32.04
1981 26.87 25.50 26.35 28.43 35.48 39.40 39.58 40.84 37.30 29.94 27.70 26.77 32.01
1982 15.74 24.54 24.32 24.63 32.32 43.37 44.39 42.45 36.50 30.61 23.70 22.42 30.42
1983 26.19 30.43 32.81 26.90 34.71 39.97 44.10 46.48 33.63 32.48 31.93 15.42 32.92
1984 22.52 26.66 29.26 28.77 34.23 a 39.73 43.42 42.42 35.47 30.39 29.27 18.71 31.74
1985 19.32 20.43 22.39 29.70 34.68 39.23 45.26 39.29 34.57 28.55 15.37 11.19 28.33
1986 28.52 28.63 a 30.16 25.67 36.58 44.03 40.00 43.84 34.60 28.58 29.03 23.13 32.73
1987 20.97 24.93 27.90 31.13 37.52 41.50 44.06 38.74 ----- z ----- z 25.97 24.13 a 31.69
1988 23.52 23.14 23.81 34.03 35.10 41.93 43.58 39.35 33.67 32.32 29.30 20.68 31.70
1989 22.81 15.14 30.00 32.80 35.84 41.53 42.84 42.42 34.10 30.03 24.57 18.65 30.89
1990 26.32 20.82 25.71 31.57 34.13 42.37 45.87 45.84 38.07 31.71 27.13 14.23 31.98
1991 19.19 26.46 26.77 29.33 35.29 39.33 44.61 46.23 36.20 28.03 31.47 23.97 32.24
1992 26.81 29.38 24.87 34.07 37.16 42.93 44.32 41.97 37.20 32.23 26.00 15.39 32.69
1993 9.77 15.04 29.55 30.67 39.68 41.83 41.39 40.58 33.63 31.94 13.07 24.77 29.33
1994 23.03 21.07 22.94 33.33 37.16 40.13 42.52 41.00 37.53 29.03 25.03 22.48 31.27
1995 27.77 26.89 26.84 27.97 35.65 40.53 45.23 39.90 39.03 30.39 31.57 24.45 33.02
1996 25.94 23.52 26.55 30.13 33.94 38.53 44.65 42.16 35.03 31.35 26.10 26.97 32.07
1997 24.45 25.43 28.03 28.77 39.26 40.23 42.23 44.48 38.33 30.23 29.73 21.23 32.70
1998 25.06 27.00 24.71 28.03 36.03 39.37 48.23 42.13 37.33 25.84 30.27 23.42 32.28
1999 26.61 27.96 a 27.23 26.55 h 32.10 39.14 b 41.26 d 45.83 a 31.63 27.14 c 31.11 b 22.33 a 32.03
2000 22.86 c 26.59 b 23.68 c 28.90 35.59 d 38.96 f ----- z ----- z 36.21 a 31.39 c 27.55 j ----- z 29.32
2001 ----- z 21.35 h 25.27 i ----- z 35.15 k 40.14 i ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2002 19.17 s ----- z 24.00 l 29.77 34.75 k 43.00 k 48.52 45.55 40.19 i ----- z ----- z 26.70 k 41.28
2003 ----- z ----- z ----- z ----- z ----- z 42.58 k 48.52 j 48.09 h 41.07 o 34.21 l 24.27 o 26.75 o 9999.00
2004 24.32 l 24.72 k 30.40 k 32.50 f 38.00 j 43.22 g 50.16 f 50.76 j 40.00 m 34.31 o 27.29 p 29.79 q 9999.00
2005 24.20 k 23.94 k 30.39 h 32.10 j 41.59 i 40.04 g 48.95 k 46.17 h 40.05 i 35.20 k 27.15 j 15.71 q 9999.00
2006 28.37 l 24.28 j 27.85 k 33.55 j 38.09 i 47.58 k 49.95 j 45.92 e 43.57 i 31.10 j 30.50 n 27.27 t 45.92
2007 20.55 k 26.21 i 27.50 k 28.28 l 36.00 o 42.95 i 51.82 i 46.70 h 39.89 l 35.95 j 28.24 m 30.62 r 9999.00
2008 16.62 r 26.21 j 26.35 k 27.74 k 38.19 j 37.83 r 51.38 o 51.10 k 44.89 k 37.15 k 34.92 q 19.64 t 9999.00
2009 23.45 27.15 h 27.26 l 32.60 j 42.19 j 45.73 51.35 50.23 43.27 32.35 29.70 19.90 37.00
2010 32.29 30.14 27.42 30.57 37.94 43.20 49.16 47.39 45.97 36.94 29.90 27.52 36.54
2011 25.77 24.00 31.61 29.40 35.19 42.37 46.16 49.29 46.97 36.35 27.37 20.06 34.55
2012 26.45 25.00 29.23 36.57 37.90 44.53 48.74 49.81 48.80 37.87 32.73 25.77 36.95
2013 19.35 24.21 26.35 35.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 23.31
Period of Record Statistics
MEAN 21.11 24.57 26.12 29.25 35.07 40.56 43.56 41.90 35.85 30.16 26.18 22.23 31.18
S.D. 6.11 4.32 3.04 2.82 2.73 2.50 3.00 3.56 3.49 3.86 4.51 4.39 1.69
SKEW -1.11 -0.76 0.22 0.12 -0.26 -0.28 0.68 0.38 0.94 2.07 -0.82 -0.41 0.72
MAX 32.29 34.07 36.26 36.73 42.47 46.50 52.10 52.42 48.80 52.87 33.17 31.94 36.95
MIN 0.71 7.43 18.81 22.37 27.71 31.60 36.55 33.90 27.53 21.00 13.07 11.19 27.56
NO YRS 107 103 104 103 102 101 104 101 99 100 103 105 83