MALHEUR BRANCH EXP STN, OREGON

Monthly Average Temperature (Degrees Fahrenheit)

(355160)

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
1942 ----- z ----- z ----- z ----- z ----- z ----- z 79.21 s 72.82 63.87 53.11 38.23 33.58 52.32
1943 28.52 33.09 40.16 55.31 a 55.83 a 63.13 74.11 71.58 67.02 53.29 38.85 32.56 51.12
1944 21.81 35.43 40.37 50.95 59.92 62.72 73.58 72.00 62.73 54.26 37.27 28.34 49.95
1945 29.20 a 38.29 41.61 49.12 59.47 63.90 76.62 a 72.50 59.90 53.18 38.85 30.27 51.08
1946 29.03 32.96 44.92 53.15 59.32 66.02 75.16 72.94 60.71 a 46.84 38.78 35.85 51.31
1947 23.56 38.18 46.15 51.50 64.71 62.62 75.97 72.02 a 61.88 53.31 38.13 32.48 51.71
1948 32.24 35.34 40.20 a 48.20 57.76 69.83 72.48 70.77 62.10 50.94 37.67 23.29 50.07
1949 9.98 31.45 44.55 54.12 62.61 67.18 73.74 73.29 64.23 45.47 a 39.88 30.65 49.76
1950 23.71 29.46 40.13 49.15 56.37 65.10 74.24 72.84 63.68 54.26 40.48 36.37 50.48
1951 29.02 35.05 39.16 52.97 59.18 a 63.98 76.21 71.00 a 63.16 a 49.10 36.52 a 29.11 50.37
1952 25.50 28.07 38.48 53.82 59.69 65.68 73.44 73.45 65.03 55.05 34.73 32.61 50.46
1953 39.98 38.00 43.52 49.12 54.42 61.78 75.65 72.79 65.52 52.37 42.37 31.24 52.23
1954 35.85 38.38 40.73 50.88 61.42 62.48 74.35 69.11 61.32 49.23 41.02 28.11 51.07
1955 22.76 26.09 37.32 46.13 56.39 68.32 71.10 a 73.47 62.27 50.89 33.27 33.50 48.46
1956 30.63 27.64 43.65 53.12 61.74 65.25 75.21 70.84 62.55 49.37 34.87 30.53 50.45
1957 18.47 30.52 44.42 51.00 60.44 67.47 72.89 71.61 64.55 49.76 36.48 33.58 50.10
1958 28.60 39.86 41.19 48.83 64.71 67.80 74.48 75.08 61.82 53.05 38.72 35.82 52.50
1959 34.50 37.89 42.18 52.82 55.69 69.57 77.08 71.87 60.25 51.11 34.90 28.18 51.34
1960 23.76 33.45 42.92 51.45 56.39 70.95 79.97 69.23 65.75 50.39 39.48 28.73 51.04
1961 29.23 40.34 44.48 50.37 60.24 74.45 77.90 77.48 58.25 48.90 35.28 29.45 52.20
1962 19.52 30.18 40.19 54.00 57.47 68.30 73.31 70.60 63.87 50.24 40.85 34.05 50.21
1963 25.29 41.68 44.87 47.85 61.85 65.53 72.77 74.15 66.97 54.97 40.23 26.81 51.91
1964 24.95 24.22 38.73 48.40 56.87 64.48 74.56 69.18 60.05 51.23 37.48 32.13 48.52
1965 29.74 36.91 39.37 53.13 57.24 66.60 74.02 70.05 57.73 52.87 42.20 29.77 50.80
1966 34.37 35.41 44.13 51.17 62.89 66.10 74.82 72.56 66.57 48.76 42.48 32.00 52.60
1967 34.65 38.14 42.63 45.95 58.92 67.35 78.32 77.98 68.25 49.81 40.48 27.03 52.46
1968 28.39 39.93 46.58 48.03 58.87 68.65 77.16 68.84 62.10 49.08 39.10 32.03 51.56
1969 29.47 32.25 41.50 52.33 63.42 67.87 74.73 73.71 64.60 46.95 37.82 33.34 51.50
1970 33.79 39.48 42.48 45.17 59.45 70.40 75.24 75.00 58.28 47.61 40.15 30.00 51.42
1971 32.02 37.32 40.06 51.15 61.48 65.23 76.37 77.84 58.80 49.47 37.42 27.40 51.21
1972 26.60 32.16 45.15 48.65 61.81 69.32 74.05 75.19 58.70 52.18 39.00 20.50 50.27
1973 28.60 37.38 44.24 50.97 61.68 68.92 77.05 73.21 62.85 50.21 39.52 35.31 52.49
1974 26.52 37.59 43.60 50.97 57.87 72.78 74.89 73.34 64.77 51.35 39.95 28.98 51.88
1975 23.53 33.89 41.47 45.55 57.52 65.50 78.73 69.92 64.95 51.44 36.32 28.89 49.81
1976 25.92 29.79 38.02 48.88 61.60 64.87 75.15 68.00 64.32 49.65 38.52 26.47 49.26
1977 17.73 31.70 41.40 55.68 55.69 73.98 73.92 73.98 62.05 51.16 37.17 36.15 50.88
1978 34.08 37.59 47.06 49.10 56.23 65.90 73.21 70.40 60.13 51.11 33.78 23.19 50.15
1979 12.42 30.02 43.65 48.48 60.60 67.80 74.81 72.37 65.82 53.56 33.52 31.42 49.54
1980 28.98 37.69 41.66 53.53 58.53 63.15 73.00 69.15 61.38 49.39 37.03 30.53 50.34
1981 32.94 35.05 43.53 51.03 57.74 63.90 72.42 76.13 63.48 47.39 42.30 32.76 51.56
1982 21.27 26.55 42.02 46.28 57.02 66.97 71.16 73.69 60.82 49.50 34.60 28.92 48.23
1983 29.00 38.88 45.03 47.57 58.60 65.30 69.89 73.89 60.82 51.06 41.77 24.05 50.49
1984 22.27 26.69 41.47 48.32 55.35 63.28 74.44 74.50 59.58 46.47 38.87 20.58 47.65
1985 16.55 24.62 37.82 53.67 60.11 67.32 78.10 68.29 54.60 45.94 26.82 11.21 45.42
1986 21.16 36.79 47.84 50.10 59.03 71.83 70.85 76.73 58.25 51.21 39.75 27.56 50.93
1987 23.29 36.89 44.13 56.37 63.84 69.25 71.23 70.85 65.35 53.08 39.80 32.19 52.19
1988 21.53 33.69 43.52 52.08 58.53 70.62 76.03 72.42 60.80 58.03 39.30 25.21 50.98
1989 16.81 16.11 40.19 52.68 57.66 69.67 75.98 70.05 62.63 49.71 36.82 29.29 48.13
1990 32.77 32.80 44.69 56.13 57.08 67.17 76.31 72.89 70.30 48.89 39.03 18.53 51.38
1991 22.71 38.00 42.65 49.37 56.10 63.52 75.50 74.63 64.67 52.18 37.07 30.03 50.53
1992 31.03 39.98 49.24 54.32 65.85 70.45 71.11 73.60 60.88 52.39 35.70 25.40 52.50
1993 22.31 24.21 38.31 48.92 62.97 62.23 65.21 67.47 62.77 52.48 31.30 33.32 47.62
1994 32.29 32.68 46.37 53.23 61.84 67.10 77.29 76.05 66.83 50.18 31.10 ----- z 54.09
1995 31.97 40.80 43.34 49.38 59.03 ----- z 73.06 68.90 65.20 47.21 40.40 31.85 50.11
1996 31.55 33.24 43.94 49.63 56.06 65.80 75.50 71.03 59.90 49.97 39.58 31.65 50.65
1997 30.85 35.61 43.95 48.25 61.63 66.62 71.82 72.45 64.70 49.16 39.47 30.61 51.26
1998 33.79 39.04 43.84 50.02 57.11 ----- z 78.24 75.06 68.20 51.02 42.68 28.69 51.61
1999 34.50 34.04 42.92 48.42 56.53 65.33 72.76 73.58 62.18 51.74 42.80 30.73 51.29
2000 31.24 40.14 43.31 54.13 60.44 67.52 75.58 74.48 61.18 51.32 33.48 30.56 51.95
2001 27.06 31.88 45.45 48.28 61.60 66.43 74.32 75.45 ----- z ----- z 41.72 30.42 50.26
2002 31.44 ----- z 40.65 51.23 58.47 69.05 77.94 70.21 64.05 49.90 ----- z 35.98 54.89
2003 35.60 37.59 45.97 49.47 59.66 69.87 80.02 75.65 65.20 56.23 36.07 36.63 53.99
2004 25.34 30.79 48.39 53.98 58.44 68.32 76.34 73.23 62.43 52.95 37.97 33.81 51.83
2005 30.10 35.39 45.27 50.53 59.13 64.40 75.45 74.71 61.53 51.94 36.15 23.76 50.70
2006 34.37 33.43 41.85 51.12 61.52 70.82 80.63 72.68 63.07 50.63 41.02 29.48 52.55
2007 28.29 38.05 47.03 51.03 62.15 68.98 81.18 72.77 63.28 49.34 38.98 31.45 52.71
2008 24.58 34.28 40.97 45.80 60.60 67.17 76.15 73.63 62.47 51.52 41.07 28.73 50.58
2009 28.39 33.75 41.05 50.58 60.73 67.38 75.92 72.92 67.58 47.19 38.65 25.82 50.83
2010 33.13 37.46 43.69 47.97 54.16 65.02 73.90 71.08 62.40 54.24 37.02 27.58 50.64
2011 25.50 33.18 41.52 45.60 54.48 62.93 72.21 74.27 67.22 g 51.31 37.36 b 29.17 a 47.96
2012 33.57 d 36.28 44.40 a 52.93 b 57.78 a 64.57 78.23 75.61 62.85 g 48.82 40.08 33.16 o 53.23
2013 14.52 a 34.54 b 41.45 b 54.50 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 30.17
Period of Record Statistics
MEAN 27.39 34.22 42.80 50.56 59.25 66.91 74.93 72.69 62.85 50.83 38.11 29.66 50.78
S.D. 6.00 4.81 2.63 2.73 2.67 2.87 2.69 2.40 2.87 2.44 3.00 4.47 1.45
SKEW -0.64 -1.10 0.09 0.05 0.22 0.40 -0.36 -0.05 -0.05 0.22 -1.03 -1.32 -1.04
MAX 39.98 41.68 49.24 56.37 65.85 74.45 81.18 77.98 70.30 58.03 42.80 36.63 53.99
MIN 9.98 16.11 37.32 45.17 54.16 61.78 65.21 67.47 54.60 45.47 26.82 11.21 45.42
NO YRS 71 70 71 70 70 68 70 71 68 70 70 69 63