SALEM WSO AIRPORT, OREGON

Monthly Average Temperature (Degrees Fahrenheit)

(357500)

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
1892 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1893 33.82 40.68 45.77 47.45 53.76 57.83 a 61.95 63.44 56.62 48.32 43.48 43.97 49.76
1894 41.32 38.86 44.92 50.17 54.90 59.42 64.97 69.85 59.58 52.21 46.17 39.16 51.79
1895 38.90 42.50 44.27 51.67 53.06 w 61.20 64.29 65.08 56.97 53.68 43.87 42.16 51.33
1896 43.26 45.90 45.26 47.53 52.69 60.67 69.65 65.61 60.20 54.05 39.60 44.74 52.43
1897 39.87 42.50 z 43.28 o 53.40 59.53 60.88 63.39 68.90 58.70 52.15 45.82 42.95 54.56
1898 39.92 r 45.25 43.13 51.62 56.13 62.55 65.37 68.05 61.42 51.52 44.65 37.79 53.41
1899 44.39 43.02 c 44.08 a 48.22 52.97 58.68 b 65.97 62.05 61.87 50.10 50.62 43.29 52.10
1900 43.37 42.80 50.26 50.65 58.47 65.85 69.23 67.27 ----- z 55.74 ----- z ----- z 55.96
1901 ----- z ----- z ----- z ----- z 57.35 e 58.98 e ----- z 67.18 l 59.90 59.65 ----- z 40.37 55.25
1902 38.79 46.14 44.98 49.47 56.00 60.93 ----- z ----- z 59.62 53.58 44.05 41.19 49.48
1903 43.18 40.23 45.31 48.90 55.65 62.72 63.65 65.27 61.52 53.82 45.78 41.44 52.29
1904 41.94 41.43 43.63 53.73 57.68 62.33 66.81 67.97 62.47 55.15 50.18 42.79 53.84
1905 40.52 42.50 50.98 54.38 55.65 60.75 68.82 65.98 62.23 50.58 43.10 40.45 53.00
1906 43.53 44.52 45.06 54.68 56.56 59.52 71.95 68.45 61.90 55.10 47.13 43.89 54.36
1907 35.85 46.91 a 45.69 52.12 58.16 61.83 67.65 65.38 w 60.56 u 56.40 z 47.30 y 43.04 r 52.60
1908 41.92 l 44.08 q 46.02 b 51.31 c 51.13 h 60.27 70.41 d 68.04 q 60.42 53.98 47.97 38.98 53.67
1909 34.60 43.88 47.32 49.77 54.02 61.72 62.90 65.35 62.53 53.29 46.67 35.85 51.49
1910 38.68 39.55 51.26 52.55 59.18 59.92 67.21 63.52 59.07 54.85 45.50 43.24 52.88
1911 38.71 40.12 48.50 49.48 b 53.56 59.64 a 69.45 66.79 57.22 52.42 46.20 41.13 51.94
1912 42.21 44.77 a 45.44 g 49.35 57.37 61.68 67.02 e 63.82 i 60.12 a 50.35 46.32 40.48 51.97
1913 38.76 40.45 44.66 50.85 56.63 61.83 66.08 68.98 ----- z 51.34 42.63 38.31 50.96
1914 43.27 41.27 47.55 50.88 59.21 60.35 68.31 67.50 59.03 55.29 46.18 36.56 52.95
1915 39.48 44.50 51.89 54.83 55.85 61.13 66.52 70.31 61.23 56.53 46.15 42.44 54.24
1916 33.00 46.21 46.47 52.25 52.94 60.98 64.16 68.34 62.25 52.63 41.93 38.47 51.64
1917 41.16 41.05 41.66 47.88 54.15 61.27 69.05 70.47 62.27 54.97 50.52 47.90 53.53
1918 44.26 41.71 47.61 55.67 55.65 66.17 66.34 66.45 66.30 54.87 44.45 40.68 54.18
1919 40.30 a 41.39 45.39 50.37 55.58 59.10 66.74 66.55 60.72 45.95 a ----- z 31.90 j 53.21
1920 37.74 39.46 a 43.85 47.22 53.06 60.40 64.68 67.23 59.93 g 51.50 a 44.62 42.48 50.20
1921 39.81 45.02 46.58 49.65 55.32 63.70 65.15 66.58 58.50 55.76 47.65 38.21 52.66
1922 35.67 a 39.07 42.69 47.70 57.13 66.23 69.47 67.00 63.28 54.08 41.42 39.56 51.94
1923 42.87 36.96 45.39 52.23 56.90 61.82 67.58 69.92 63.67 54.42 48.00 41.84 53.47
1924 38.47 47.53 45.58 52.02 60.32 65.02 67.27 66.89 62.40 54.68 44.73 35.90 53.40
1925 44.53 46.11 46.61 53.20 59.66 63.20 69.34 66.31 62.12 54.29 44.90 45.13 54.62
1926 40.82 47.86 52.27 59.28 58.16 67.02 70.82 67.31 60.15 56.00 48.58 41.79 55.84
1927 39.69 b 44.32 46.15 51.05 54.21 64.68 69.63 69.05 61.28 54.03 a 49.28 a 37.18 a 53.38
1928 39.53 42.53 50.10 50.28 60.95 60.36 a 67.97 65.40 60.21 a 54.03 a 44.98 38.12 a 52.87
1929 34.06 36.00 46.89 47.33 55.92 61.00 e 65.21 66.84 b 61.78 56.16 42.90 45.11 51.60
1930 27.44 45.86 47.60 51.97 52.06 58.20 62.31 d 66.62 c 61.30 51.26 43.28 38.69 50.55
1931 42.83 a 42.11 46.71 c 52.07 58.80 a 59.95 66.95 66.00 60.58 52.94 41.63 38.73 a 52.44
1932 38.27 39.97 46.18 a 50.23 54.69 64.02 a 63.69 66.77 61.58 55.61 47.13 36.70 a 52.07
1933 38.76 37.57 45.65 49.42 52.10 60.62 64.90 a 66.90 57.86 a 54.64 b 43.78 46.14 b 51.53
1934 45.33 g 45.94 b 52.03 55.75 b 58.50 a 62.27 64.48 66.58 59.98 55.47 50.08 42.29 55.76
1935 40.06 43.48 43.35 50.12 54.42 62.00 a 65.85 65.85 63.72 51.15 a 41.00 a 39.08 51.67
1936 42.69 35.59 a 44.05 53.50 58.32 62.60 65.40 66.03 60.58 55.32 41.10 42.56 52.31
1937 30.06 41.55 48.56 50.00 57.16 62.67 65.69 64.81 60.90 56.00 48.82 42.47 52.39
1938 39.27 42.43 45.29 51.75 56.85 63.07 69.24 64.11 65.22 53.97 42.53 41.94 52.97
1939 41.87 39.77 47.53 52.93 57.53 59.65 67.79 66.95 63.32 54.29 47.12 44.76 53.63
1940 39.66 45.33 49.35 52.13 59.30 a 64.03 66.78 h 69.11 l 63.85 55.95 i 43.45 42.73 c 51.09
1941 41.95 45.37 e 51.15 53.03 56.63 62.13 71.97 67.92 60.28 53.92 46.62 42.13 54.42
1942 35.63 43.04 45.69 51.85 55.87 60.18 68.56 69.32 63.17 55.31 45.77 43.94 53.19
1943 33.84 43.98 45.32 53.32 54.48 60.25 67.02 66.10 65.47 54.55 45.67 39.16 52.43
1944 39.24 42.79 45.77 50.80 56.27 61.37 67.73 66.24 65.30 57.37 45.23 38.42 53.05
1945 42.10 44.57 44.50 49.65 57.95 61.70 68.06 67.34 60.15 53.34 45.75 41.05 53.01
1946 40.26 42.61 46.13 50.27 58.45 60.38 67.32 67.37 60.45 50.18 43.52 41.63 52.38
1947 37.00 45.48 49.02 53.35 60.61 60.65 65.81 64.68 62.95 54.37 46.68 42.08 53.56
1948 39.50 40.62 44.02 47.55 55.21 65.13 65.52 a 64.97 60.97 51.71 43.15 37.48 a 51.32
1949 29.47 40.73 46.87 a 52.75 58.94 62.13 66.00 66.23 63.30 48.66 49.15 40.16 52.03
1950 29.61 41.29 44.79 48.40 55.19 62.17 67.29 68.71 61.72 51.89 46.77 47.40 52.10
1951 39.81 43.12 40.92 52.52 55.84 64.02 66.68 64.73 62.68 53.10 45.23 37.55 52.18
1952 38.45 40.57 44.15 50.40 55.42 59.32 67.32 66.00 63.82 57.40 38.60 41.02 51.87
1953 46.94 43.00 44.85 49.13 54.08 57.50 64.61 65.35 62.52 54.16 47.63 42.50 52.69
1954 40.16 42.86 42.90 48.83 55.58 57.00 62.68 63.06 59.03 51.31 49.00 40.08 51.04
1955 39.15 40.02 41.39 45.22 53.05 59.72 62.53 64.52 60.42 53.21 43.00 41.11 50.28
1956 41.08 36.95 43.89 51.28 58.55 58.45 67.95 65.16 61.73 51.63 42.37 40.03 51.59
1957 32.94 42.68 46.89 51.80 58.35 61.67 64.63 63.74 65.27 53.21 42.85 43.03 52.25
1958 42.85 48.27 44.97 50.22 60.95 64.95 71.16 70.24 62.38 55.37 46.88 45.52 55.31
1959 42.76 42.88 45.98 50.78 54.00 61.57 67.94 65.44 60.15 54.32 44.22 39.60 52.47
1960 36.60 41.57 44.34 49.55 52.45 60.68 67.56 64.76 62.42 54.79 46.85 40.08 51.80
1961 42.95 46.09 46.34 49.05 53.95 63.27 67.50 69.26 58.32 52.53 41.23 40.97 52.62
1962 37.06 40.73 43.89 50.83 51.37 59.28 64.31 64.79 62.52 52.61 46.72 41.74 51.32
1963 33.69 47.73 44.37 47.03 55.16 59.12 61.85 65.58 65.68 53.74 46.07 39.85 51.66
1964 41.63 40.28 43.61 48.03 53.63 60.27 66.39 63.77 58.80 53.19 41.93 39.53 50.92
1965 40.48 43.04 46.61 50.32 52.15 58.93 67.21 66.73 59.55 55.31 47.92 37.82 52.17
1966 39.58 40.54 44.55 50.53 54.85 61.80 65.18 66.89 63.23 52.60 47.12 44.18 52.59
1967 44.10 42.59 43.08 44.58 54.34 64.13 67.58 71.60 64.90 54.29 46.43 41.95 53.30
1968 39.63 48.10 47.29 46.85 54.50 59.60 66.13 65.21 60.45 51.42 45.33 37.00 51.79
1969 32.95 40.32 46.24 49.08 58.87 65.35 64.90 63.50 61.10 49.85 44.07 41.92 51.51
1970 41.63 44.93 45.45 45.77 54.16 64.37 67.18 65.44 58.30 50.63 43.58 39.00 51.70
1971 39.06 39.41 41.92 47.12 53.29 58.18 67.34 69.10 59.13 50.58 44.50 39.47 50.76
1972 38.26 43.19 47.85 45.93 56.50 59.97 67.55 68.19 57.55 50.10 46.35 35.11 51.38
1973 38.84 43.84 44.61 49.10 55.73 61.08 67.44 63.56 62.10 51.90 43.95 43.37 52.13
1974 37.53 41.21 46.08 49.32 52.84 61.80 65.76 67.35 65.73 53.00 46.40 43.00 52.50
1975 42.58 41.88 43.55 45.32 54.23 59.83 67.05 63.05 63.53 51.58 43.90 41.92 51.53
1976 40.66 40.21 42.47 47.13 53.24 56.85 65.26 64.16 61.97 52.08 45.90 38.73 50.72
1977 37.63 44.45 44.45 50.58 51.77 61.78 64.55 70.08 58.93 52.05 44.57 43.16 52.00
1978 41.37 45.25 48.15 48.88 54.76 65.18 68.79 68.34 60.98 54.13 39.35 34.74 52.49
1979 31.21 42.64 49.00 50.43 56.76 61.73 67.89 65.65 62.88 54.63 41.72 44.76 52.44
1980 35.53 43.14 44.55 50.67 53.69 57.52 65.48 62.74 62.48 53.56 47.28 42.84 51.62
1981 40.60 43.11 46.52 50.55 54.53 59.00 65.05 68.66 61.90 50.37 44.53 42.90 52.31
1982 38.53 41.55 44.48 45.83 54.69 65.05 65.65 66.42 61.37 53.32 42.33 41.10 51.69
1983 43.23 46.04 48.92 50.10 57.29 60.27 64.32 67.74 60.30 52.66 49.30 38.39 53.21
1984 43.19 44.17 48.63 47.75 52.89 57.38 65.44 66.76 61.28 51.39 44.40 37.42 51.72
1985 34.24 39.59 42.74 51.37 55.13 61.20 70.13 65.39 58.33 51.18 37.28 33.23 49.98
1986 43.19 44.34 50.15 48.35 55.23 64.17 63.45 69.82 58.92 53.65 46.63 39.58 53.12
1987 39.48 43.82 47.26 51.90 58.03 63.97 64.84 67.81 62.70 56.08 46.90 38.85 53.47
1988 39.34 43.33 45.58 51.10 53.69 60.48 66.77 65.81 62.25 56.63 46.82 40.52 52.69
1989 41.61 34.73 46.37 54.57 56.23 63.28 64.58 64.92 63.10 52.95 47.35 39.56 52.44
1990 42.76 41.27 47.79 52.73 55.21 62.27 69.60 69.11 64.87 51.19 46.87 34.44 53.17
1991 39.50 48.62 44.61 49.18 53.08 57.88 67.95 67.77 65.38 54.21 47.28 41.60 53.09
1992 44.10 47.57 50.52 53.80 60.82 65.75 68.89 68.18 62.00 55.05 46.12 39.19 55.16
1993 36.32 39.38 49.11 52.27 60.48 61.23 63.16 67.19 63.30 56.50 40.48 41.05 52.54
1994 44.27 42.95 50.18 53.20 59.19 61.65 69.06 67.03 65.15 52.63 41.68 42.24 54.10
1995 44.44 46.48 47.42 49.93 58.98 62.58 68.50 65.06 64.63 52.34 51.07 42.23 54.47
1996 41.92 42.17 47.23 51.85 53.13 60.87 70.21 67.77 59.95 52.42 45.18 42.45 52.93
1997 40.92 42.30 46.39 49.43 60.37 60.53 66.92 69.77 64.10 51.98 48.00 39.50 53.35
1998 43.95 45.46 47.26 50.43 54.56 61.28 69.61 69.00 64.47 52.35 47.70 39.90 53.83
1999 41.74 43.07 44.65 49.33 53.34 59.87 66.06 67.87 63.22 53.90 49.35 42.53 52.91
2000 40.13 44.02 44.23 51.28 55.74 63.57 65.95 65.56 62.17 53.21 41.27 40.52 52.30
2001 40.56 41.79 46.68 47.85 57.29 58.57 66.03 67.15 63.57 52.55 47.58 41.16 52.56
2002 41.06 43.21 43.74 50.40 54.00 61.98 68.81 67.10 63.17 52.10 46.37 43.13 52.92
2003 44.92 43.59 49.00 49.50 55.77 64.05 70.23 68.76 64.80 56.92 43.70 41.69 54.41
2004 39.52 43.59 49.15 52.53 56.74 63.10 69.97 70.10 60.58 54.24 43.80 42.47 53.82
2005 41.82 41.36 48.63 50.20 57.89 59.70 68.85 68.94 60.58 54.19 42.47 39.81 52.87
2006 44.39 41.41 44.55 50.90 57.11 64.30 69.76 67.39 63.40 51.98 46.92 39.58 53.47
2007 38.06 44.30 48.98 49.82 56.66 61.07 69.85 67.27 61.30 51.50 43.63 40.11 52.71
2008 37.08 43.09 43.27 46.42 57.35 59.27 68.03 67.61 63.08 51.76 47.80 37.06 51.82
2009 39.65 41.09 44.15 49.43 57.23 63.87 71.19 68.32 64.38 53.34 46.87 37.23 53.06
2010 46.24 46.29 47.23 49.70 54.37 60.00 67.50 67.40 63.65 54.53 45.40 43.87 53.85
2011 42.26 40.95 47.03 47.47 53.55 60.73 65.92 69.08 66.57 54.50 45.03 38.74 52.65
2012 41.95 a 42.67 43.92 51.57 55.73 59.83 66.85 69.63 64.13 55.15 48.33 42.58 53.53
2013 37.24 43.86 47.90 56.50 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 43.00
Period of Record Statistics
MEAN 39.67 42.74 46.15 50.40 55.94 61.42 66.87 66.83 61.79 53.34 45.29 40.76 52.59
S.D. 3.68 2.72 2.41 2.44 2.32 2.20 2.24 1.95 2.18 2.06 2.67 2.69 1.10
SKEW -0.93 -0.25 0.44 0.25 0.30 0.29 -0.01 -0.06 -0.08 -0.28 -0.34 -0.14 0.17
MAX 46.94 48.62 52.27 59.28 60.95 67.02 71.97 71.60 66.57 59.65 51.07 47.90 55.84
MIN 27.44 34.73 40.92 44.58 51.37 56.85 61.85 62.05 56.62 45.95 37.28 33.23 49.76
NO YRS 117 118 118 119 118 120 117 114 116 118 116 117 106