HALFWAY, OREGON

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(353604)

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
1936 ----- z ----- z ----- z ----- z 46.32 51.27 57.81 56.52 45.90 41.16 27.40 26.03 44.05
1937 4.97 19.25 31.77 34.70 42.84 48.77 57.10 50.32 48.57 41.32 33.37 29.71 36.89
1938 23.68 26.75 30.71 36.30 40.58 51.73 56.39 50.45 51.33 40.90 24.85 c 25.68 38.28
1939 23.00 17.64 27.50 a 37.93 44.70 d 44.00 58.19 55.65 45.87 39.03 31.63 29.61 37.90
1940 24.61 26.67 z 38.43 x 38.33 43.68 47.73 50.94 55.74 51.43 42.71 23.20 27.32 40.57
1941 24.71 ----- z 31.52 38.73 42.03 ----- z 57.31 o 50.00 q 44.83 32.29 26.30 21.43 a 32.73
1942 11.00 19.52 a 23.52 33.50 37.61 40.37 48.47 p 45.42 37.87 31.42 26.93 22.71 29.99
1943 14.00 16.36 21.77 36.50 b ----- z 41.80 47.13 44.58 39.33 34.87 26.07 19.48 31.08
1944 9.42 20.62 23.71 32.43 37.71 43.13 46.19 41.48 38.13 32.45 27.07 18.74 30.92
1945 19.68 27.38 t 28.61 31.43 39.13 41.83 45.68 43.71 36.37 29.20 a 26.90 19.26 32.89
1946 8.42 11.61 26.13 32.63 38.45 ----- z 47.74 44.71 36.97 28.16 27.93 25.00 29.80
1947 7.77 19.89 26.26 29.67 39.19 41.30 44.74 40.29 36.07 ----- z 22.23 19.61 29.73
1948 ----- z ----- z ----- z ----- z ----- z ----- z 44.26 41.90 35.28 a 28.16 23.15 q -7.33 m 37.40
1949 -16.45 13.71 25.90 b 29.77 39.71 c 41.17 44.90 45.03 a 38.57 b 25.16 26.03 a 14.58 27.34
1950 7.03 16.11 24.03 30.03 31.96 d 42.57 45.43 a 45.06 37.20 35.74 d 27.16 k 27.58 31.16
1951 10.00 d 16.13 e 19.68 28.03 36.52 38.37 45.97 44.03 35.40 31.23 a 22.29 f 14.03 a 29.04
1952 11.87 a 4.89 a 17.97 30.87 39.00 i 42.48 i 44.39 43.97 b 37.80 28.53 n 17.81 i 18.47 a 26.28
1953 26.90 a 19.54 24.44 f 29.33 31.77 39.00 44.90 46.81 39.55 a 30.90 28.11 b 15.94 32.07
1954 22.67 a 24.46 d 23.23 a 30.67 35.46 e 42.59 m 47.42 42.10 35.76 a 28.07 b 25.80 10.48 29.65
1955 6.54 e 1.81 b 23.45 t 29.37 35.93 d 43.00 48.43 a 43.10 a 37.25 b 31.94 22.31 a 15.23 a 28.63
1956 14.84 9.90 22.50 a 29.57 39.03 b 40.62 d 48.81 43.65 36.87 31.27 a 20.00 a 18.26 29.61
1957 3.65 19.11 28.60 a 33.72 a 41.68 41.97 45.97 43.07 a 37.83 a 33.58 20.07 b 22.39 30.97
1958 15.97 27.07 26.19 32.77 40.74 45.83 48.13 47.35 36.33 29.68 25.93 25.48 33.46
1959 22.16 24.79 25.23 30.80 34.00 44.00 45.00 42.81 39.69 a 31.29 19.60 13.84 31.10
1960 9.00 16.03 22.33 d 30.43 33.38 b 39.77 47.61 41.48 38.41 a 29.06 25.57 15.39 29.04
1961 14.06 26.71 27.77 28.90 35.61 44.60 47.68 49.74 34.07 28.97 21.40 15.58 31.26
1962 4.10 16.61 22.32 30.40 35.74 39.73 44.39 43.68 37.60 31.39 26.20 23.84 29.67
1963 10.39 25.75 25.81 29.13 38.16 42.63 43.55 45.94 43.57 34.29 27.03 17.39 31.97
1964 11.84 4.45 19.52 28.93 35.35 43.83 46.55 43.55 35.63 29.03 23.60 19.29 28.46
1965 21.42 16.71 20.58 33.67 34.97 42.20 46.52 46.32 34.40 30.23 28.17 18.81 31.17
1966 22.55 17.64 25.74 29.53 37.16 41.40 45.29 44.55 42.47 29.19 29.43 21.52 32.21
1967 21.48 20.89 27.26 29.40 34.81 43.53 48.81 46.48 42.30 31.77 25.67 13.97 32.20
1968 11.03 25.24 28.48 26.60 35.58 42.43 46.68 45.48 38.30 29.19 26.97 18.39 31.20
1969 15.26 18.75 20.39 32.47 39.32 45.17 45.32 43.77 40.57 27.90 22.23 24.29 31.29
1970 23.00 22.50 26.45 26.43 35.74 47.63 48.58 43.74 35.33 27.61 27.70 16.26 31.75
1971 18.68 20.43 22.94 30.50 39.16 43.37 47.77 49.55 34.37 28.00 23.87 14.55 31.10
1972 12.35 19.28 28.00 28.97 37.39 44.17 46.55 48.52 36.27 30.68 29.20 12.06 31.12
1973 11.84 22.14 26.90 28.93 37.45 42.93 46.61 45.55 39.47 30.97 28.03 21.45 31.86
1974 10.16 24.46 29.61 31.73 34.90 45.73 48.58 45.32 37.10 28.84 25.93 17.26 31.64
1975 12.74 17.07 23.39 29.97 36.26 42.87 54.19 46.48 37.63 35.55 22.10 17.77 31.34
1976 14.29 15.31 19.42 31.80 37.06 40.90 50.68 46.52 41.50 28.39 23.27 13.84 30.25
1977 9.45 18.46 24.13 29.53 37.39 48.30 46.71 48.77 41.03 31.87 26.77 26.71 32.43
1978 24.06 28.39 30.81 33.03 36.42 41.43 47.55 44.65 39.40 26.65 21.47 4.13 31.50
1979 -2.48 21.07 24.90 32.23 36.94 41.43 48.16 48.42 39.40 34.74 21.07 23.45 30.78
1980 18.48 27.41 26.81 32.53 40.81 42.30 48.81 42.61 41.73 29.90 24.30 22.19 33.16
1981 25.65 22.61 26.71 32.87 38.58 42.10 45.10 47.29 39.00 31.32 28.63 22.94 33.57
1982 11.55 11.93 26.61 28.33 34.19 45.87 48.65 48.35 39.47 32.19 21.03 17.29 30.46
1983 19.71 26.43 31.77 28.77 37.19 42.70 46.87 51.52 36.50 31.29 28.93 15.45 33.09
1984 14.55 13.48 27.23 31.43 36.94 42.53 48.42 50.52 39.37 29.35 28.17 8.39 30.86
1985 4.77 6.36 18.65 33.13 39.29 44.20 51.55 45.84 37.63 30.32 16.23 1.23 27.43
1986 13.87 25.43 32.19 30.37 39.06 47.27 45.58 47.77 38.77 30.00 27.63 19.35 33.11
1987 10.65 20.21 29.45 33.20 40.48 44.60 48.87 a 42.94 37.72 a 26.97 26.57 20.81 31.87
1988 14.59 b 18.59 b 26.42 33.73 37.32 48.20 47.00 44.13 37.43 36.16 27.17 12.45 31.93
1989 9.81 4.54 28.13 34.90 36.35 44.90 48.23 47.35 38.83 31.61 25.10 17.71 30.62
1990 23.45 13.75 26.19 35.13 35.23 42.10 48.16 48.13 41.87 30.42 25.50 6.26 31.35
1991 7.29 24.07 26.94 30.93 36.32 41.03 47.68 48.97 40.10 29.48 26.77 19.23 31.57
1992 19.65 27.97 28.16 33.03 38.26 48.10 46.68 46.68 37.93 31.71 24.73 12.90 32.98
1993 14.03 16.89 27.94 33.30 37.74 42.10 40.00 38.94 32.43 36.16 17.50 21.23 29.85
1994 22.65 16.43 27.26 34.73 41.65 42.63 49.03 45.94 38.93 29.65 20.07 12.19 31.76
1995 18.97 25.79 29.32 31.10 37.71 43.97 48.42 42.26 39.93 28.74 29.77 24.35 33.36
1996 17.23 17.07 28.03 32.83 37.13 41.90 48.29 46.03 37.77 31.29 27.03 23.65 32.35
1997 20.42 18.43 28.19 30.53 38.52 44.53 47.71 47.29 43.07 30.39 26.27 14.68 32.50
1998 21.03 25.57 29.55 32.57 40.06 42.70 52.61 46.42 43.80 26.94 29.27 12.94 33.62
1999 19.10 18.46 25.65 27.73 34.35 43.13 43.94 49.03 34.37 28.58 29.10 17.55 30.92
2000 17.26 24.59 28.74 31.53 39.81 42.27 47.90 45.45 38.83 31.13 21.77 20.42 32.47
2001 13.68 15.39 27.39 31.87 38.13 43.50 50.39 47.58 40.70 30.35 26.53 17.13 31.89
2002 16.10 9.86 22.68 32.63 37.10 46.13 51.00 43.81 38.00 24.39 21.57 24.55 30.65
2003 25.52 24.43 31.55 32.97 37.94 42.63 51.58 49.61 40.60 33.29 19.90 24.68 34.56
2004 16.74 17.55 27.35 31.93 38.87 44.60 49.97 49.10 39.00 33.52 24.43 22.48 32.96
2005 19.00 17.46 26.77 31.73 39.77 41.37 47.97 44.94 35.40 31.29 21.67 10.87 30.69
2006 20.19 10.64 24.65 33.10 35.48 44.33 50.61 42.03 35.47 25.87 28.90 16.03 30.61
2007 8.00 24.04 27.84 30.97 37.55 44.40 54.06 45.16 37.23 31.71 23.10 21.00 32.09
2008 9.94 16.97 23.58 28.00 37.84 41.90 48.13 46.55 36.60 29.00 26.87 16.32 30.14
2009 13.68 16.14 25.03 30.67 36.03 44.87 48.52 48.00 38.80 29.61 21.03 9.81 30.18
2010 23.26 22.50 23.58 29.27 33.42 42.17 44.42 43.52 39.13 52.00 z ----- z ----- z 33.47
2011 ----- z ----- z ----- z ----- z ----- z 53.50 z 49.84 51.81 44.70 37.42 25.53 16.52 37.64
2012 21.65 21.21 31.19 35.41 a 38.29 45.60 54.71 49.84 41.50 32.90 31.17 23.84 35.61
2013 9.03 20.37 a 28.60 a 30.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 19.33
Period of Record Statistics
MEAN 14.84 18.74 26.14 31.63 37.74 43.57 48.19 46.21 39.11 31.32 25.27 18.44 31.78
S.D. 7.38 6.02 3.36 2.58 2.71 2.62 3.35 3.37 3.61 3.67 3.40 5.69 2.03
SKEW -1.04 -0.71 -0.42 0.56 0.55 0.92 1.02 0.78 1.31 1.14 -0.34 -0.44 0.96
MAX 26.90 28.39 32.19 38.73 46.32 51.73 58.19 56.52 51.43 42.71 33.37 29.71 38.28
MIN -16.45 1.81 17.97 26.43 31.77 38.37 40.00 38.94 32.43 24.39 16.23 1.23 27.34
NO YRS 75 72 72 74 73 71 75 76 77 74 72 75 60