SALEM WSO AIRPORT, OREGON

Monthly Total Cooling Degree Days

(357500)

Base Temperature = 65 F

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.
Months with 5 missing days or less use mean for missing day(s)
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1893 0.00 0.00 0.00 0.00 0.00 4.66 a 7.00 26.00 8.50 0.00 0.00 0.00 46.16
1894 0.00 0.00 0.00 0.00 10.50 2.00 45.50 150.50 10.50 0.00 0.00 0.00 219.00
1895 0.00 0.00 0.00 0.00 0.00 w 18.00 45.00 54.50 1.00 0.00 0.00 0.00 118.50
1896 0.00 0.00 0.00 0.00 0.00 13.50 150.50 54.00 19.00 4.00 0.00 0.00 241.00
1897 0.00 0.00 z 0.00 o 2.50 17.50 14.50 17.00 141.00 0.00 0.00 0.00 0.00 192.50
1898 0.00 r 0.00 0.00 0.00 3.00 33.00 60.00 120.00 24.50 0.00 0.00 0.00 240.50
1899 0.00 0.00 c 0.00 a 0.00 0.00 0.00 b 88.00 25.00 13.50 0.00 0.00 0.00 126.50
1900 0.00 0.00 0.00 0.00 0.00 61.00 141.50 85.00 0.00 z 0.00 0.00 z 0.00 z 287.50
1901 0.00 z 0.00 z 0.00 z 0.00 z 7.15 e 15.60 e 0.00 z 65.50 l 12.00 11.50 0.00 z 0.00 46.25
1902 0.00 0.00 0.00 0.00 7.50 16.00 0.00 z 0.00 z 28.00 0.00 0.00 0.00 51.50
1903 0.00 0.00 0.00 0.00 3.50 34.50 30.50 47.50 12.50 0.00 0.00 0.00 128.50
1904 0.00 0.00 0.00 7.00 5.50 41.00 108.50 126.00 31.00 0.50 0.00 0.00 319.50
1905 0.00 0.00 0.00 0.00 1.50 1.00 134.00 76.50 26.00 0.00 0.00 0.00 239.00
1906 0.00 0.00 0.00 2.00 4.50 10.50 218.00 117.00 20.50 0.00 0.00 0.00 372.50
1907 0.00 0.00 a 0.00 0.00 9.50 43.50 94.00 15.00 w 6.50 u 0.00 z 0.00 y 0.00 r 147.00
1908 0.00 l 0.00 q 0.00 b 0.00 c 0.00 h 34.50 171.65 d 60.00 q 27.00 0.00 0.00 0.00 233.15
1909 0.00 0.00 0.00 0.00 8.50 15.00 21.50 51.00 43.00 0.00 0.00 0.00 139.00
1910 0.00 0.00 0.00 4.00 13.00 12.00 92.00 28.00 6.50 0.00 0.00 0.00 155.50
1911 0.00 0.00 0.00 0.00 b 9.00 19.66 a 170.50 74.50 7.50 0.00 0.00 0.00 281.16
1912 0.00 0.00 a 0.00 g 0.00 10.00 28.50 116.85 e 34.00 i 15.00 a 0.00 0.00 0.00 170.35
1913 0.00 0.00 0.00 0.00 3.50 19.50 90.00 138.00 0.00 z 0.00 0.00 0.00 251.00
1914 0.00 0.00 0.00 0.00 17.00 30.00 114.00 94.00 0.50 0.00 0.00 0.00 255.50
1915 0.00 0.00 0.00 0.00 0.00 23.50 86.00 165.50 10.50 2.00 0.00 0.00 287.50
1916 0.00 0.00 0.00 0.00 0.00 43.00 37.00 110.00 11.00 0.00 0.00 0.00 201.00
1917 0.00 0.00 0.00 0.00 0.00 19.00 134.50 171.50 8.50 0.00 0.00 0.00 333.50
1918 0.00 0.00 0.00 2.00 0.00 81.50 78.00 89.50 95.50 1.50 0.00 0.00 348.00
1919 0.00 a 0.00 0.00 0.00 0.00 3.50 103.00 73.50 9.00 0.00 a 0.00 z 0.00 j 189.00
1920 0.00 0.00 a 0.00 0.00 1.00 21.50 56.50 138.00 6.50 g 1.03 a 0.00 0.00 218.03
1921 0.00 0.00 0.00 0.00 0.00 29.00 45.00 78.50 0.00 0.00 0.00 0.00 152.50
1922 0.00 a 0.00 0.00 0.00 29.00 67.00 144.00 81.00 41.00 0.00 0.00 0.00 362.00
1923 0.00 0.00 0.00 0.00 2.50 40.50 99.00 158.50 42.50 4.00 0.00 0.00 347.00
1924 0.00 0.00 0.00 0.00 13.00 61.50 90.50 79.00 43.00 0.00 0.00 0.00 287.00
1925 0.00 0.00 0.00 0.00 7.00 62.50 139.50 84.00 18.00 0.00 0.00 0.00 311.00
1926 0.00 0.00 0.00 15.00 5.00 124.00 184.00 79.00 15.50 0.00 0.00 0.00 422.50
1927 0.00 b 0.00 0.00 0.00 2.00 36.50 150.50 144.00 14.50 0.00 a 0.00 a 0.00 a 347.50
1928 0.00 0.00 0.00 0.00 22.50 8.79 a 129.50 46.50 13.97 a 2.58 a 0.00 0.00 a 223.84
1929 0.00 0.00 0.00 0.00 0.00 24.00 e 40.00 78.03 b 25.00 0.00 0.00 0.00 167.03
1930 0.00 0.00 0.00 0.00 0.00 1.00 22.39 d 90.23 c 21.50 0.00 0.00 0.00 135.12
1931 0.00 a 0.00 0.00 c 0.00 11.88 a 11.50 80.50 74.00 33.00 0.00 0.00 0.00 a 210.88
1932 0.00 0.00 0.00 a 0.00 0.00 67.76 a 25.50 89.00 20.00 5.50 0.00 0.00 a 207.76
1933 0.00 0.00 0.00 0.00 0.00 13.50 47.02 a 94.50 0.52 a 0.00 b 0.00 0.00 b 155.53
1934 0.00 g 0.00 b 0.00 0.00 b 0.52 a 22.00 29.00 69.00 24.00 5.00 0.00 0.00 149.52
1935 0.00 0.00 0.00 0.00 0.00 30.00 a 100.50 90.50 47.50 1.55 a 0.00 a 0.00 270.05
1936 0.00 0.00 a 0.00 1.50 7.00 19.50 39.50 56.50 10.50 1.50 0.00 0.00 136.00
1937 0.00 0.00 0.00 0.00 0.00 27.00 51.50 54.00 16.50 0.00 0.00 0.00 149.00
1938 0.00 0.00 0.00 0.00 12.50 36.00 159.00 23.50 42.00 0.00 0.00 0.00 273.00
1939 0.00 0.00 0.00 0.00 12.00 10.50 122.00 90.50 32.50 0.00 0.00 0.00 267.50
1940 0.00 0.00 0.00 0.00 5.17 a 53.00 52.00 h 81.50 l 35.00 5.50 i 0.00 0.00 c 93.17
1941 0.00 0.00 e 0.00 0.00 11.50 18.00 219.00 118.50 4.50 0.00 0.00 0.00 371.50
1942 0.00 0.00 0.00 0.00 4.00 25.50 127.50 157.50 27.00 0.00 0.00 0.00 341.50
1943 0.00 0.00 0.00 0.00 3.00 13.00 89.50 48.50 62.00 4.00 0.00 0.00 220.00
1944 0.00 0.00 0.00 0.00 1.00 23.50 106.50 73.50 87.50 0.00 0.00 0.00 292.00
1945 0.00 0.00 0.00 0.00 3.00 36.00 118.50 87.00 12.50 0.00 0.00 0.00 257.00
1946 0.00 0.00 0.00 0.00 1.00 20.00 103.50 90.00 17.00 0.00 0.00 0.00 231.50
1947 0.00 0.00 0.00 0.00 22.50 5.50 47.00 35.50 38.50 0.00 0.00 0.00 149.00
1948 0.00 0.00 0.00 0.00 1.50 67.50 65.62 a 32.50 46.50 0.00 0.00 0.00 a 213.62
1949 0.00 0.00 0.00 a 0.00 12.50 23.50 68.00 64.00 43.00 0.00 0.00 0.00 211.00
1950 0.00 0.00 0.00 0.00 0.00 33.50 88.00 134.00 33.50 2.00 0.00 0.00 291.00
1951 0.00 0.00 0.00 0.00 2.50 58.50 75.00 49.00 32.50 0.00 0.00 0.00 217.50
1952 0.00 0.00 0.00 0.00 2.50 3.50 100.00 75.50 59.00 4.50 0.00 0.00 245.00
1953 0.00 0.00 0.00 0.00 4.50 0.50 44.00 59.00 23.00 0.50 0.00 0.00 131.50
1954 0.00 0.00 0.00 0.00 0.50 0.00 8.00 12.00 2.00 0.00 0.00 0.00 22.50
1955 0.00 0.00 0.00 0.00 2.00 20.00 25.00 44.00 41.00 0.00 0.00 0.00 132.00
1956 0.00 0.00 0.00 0.00 21.50 8.50 128.00 57.00 10.50 0.00 0.00 0.00 225.50
1957 0.00 0.00 0.00 3.00 3.00 9.50 31.50 11.00 57.50 0.00 0.00 0.00 115.50
1958 0.00 0.00 0.00 0.00 22.50 70.50 192.00 164.50 37.50 5.00 0.00 0.00 492.00
1959 0.00 0.00 0.00 0.00 0.00 20.50 126.50 47.00 7.00 0.00 0.00 0.00 201.00
1960 0.00 0.00 0.00 0.00 0.00 11.50 114.50 55.50 34.50 0.00 0.00 0.00 216.00
1961 0.00 0.00 0.00 0.00 0.50 65.00 106.00 143.50 4.50 1.00 0.00 0.00 320.50
1962 0.00 0.00 0.00 0.00 0.00 5.50 72.50 45.50 16.00 0.00 0.00 0.00 139.50
1963 0.00 0.00 0.00 0.00 6.00 14.00 9.50 57.00 67.00 0.00 0.00 0.00 153.50
1964 0.00 0.00 0.00 0.00 1.00 0.50 87.00 46.00 3.00 0.00 0.00 0.00 137.50
1965 0.00 0.00 0.00 0.00 0.00 11.50 117.00 81.50 8.00 1.00 0.00 0.00 219.00
1966 0.00 0.00 0.00 0.00 1.50 26.50 53.00 83.50 26.50 0.00 0.00 0.00 191.00
1967 0.00 0.00 0.00 0.00 0.00 53.50 91.50 207.00 49.00 0.00 0.00 0.00 401.00
1968 0.00 0.00 0.00 0.00 0.00 12.00 83.50 59.00 12.00 0.00 0.00 0.00 166.50
1969 0.00 0.00 0.00 0.00 10.50 62.50 46.50 27.50 25.50 0.00 0.00 0.00 172.50
1970 0.00 0.00 0.00 0.00 1.50 78.50 103.50 62.00 0.00 0.50 0.00 0.00 246.00
1971 0.00 0.00 0.00 0.00 0.00 4.50 135.00 146.00 1.50 0.00 0.00 0.00 287.00
1972 0.00 0.00 0.00 0.00 9.00 4.50 114.50 143.50 20.00 0.00 0.00 0.00 291.50
1973 0.00 0.00 0.00 0.00 5.50 30.50 109.50 43.50 27.50 0.00 0.00 0.00 216.50
1974 0.00 0.00 0.00 0.00 0.00 30.50 74.50 103.50 74.00 0.00 0.00 0.00 282.50
1975 0.00 0.00 0.00 0.00 0.50 14.50 103.00 29.00 39.00 0.00 0.00 0.00 186.00
1976 0.00 0.00 0.00 0.00 0.00 5.50 55.50 43.00 13.50 2.50 0.00 0.00 120.00
1977 0.00 0.00 0.00 0.00 0.00 17.50 49.00 182.00 3.50 0.00 0.00 0.00 252.00
1978 0.00 0.00 0.00 0.00 5.50 58.50 135.00 125.00 14.00 0.00 0.00 0.00 338.00
1979 0.00 0.00 0.00 0.00 0.00 27.50 116.00 43.50 18.00 0.50 0.00 0.00 205.50
1980 0.00 0.00 0.00 0.00 0.00 0.00 69.00 18.50 16.00 8.00 0.00 0.00 111.50
1981 0.00 0.00 0.00 0.50 0.00 1.50 65.50 150.00 35.50 0.00 0.00 0.00 253.00
1982 0.00 0.00 0.00 0.00 5.00 87.50 65.50 76.00 25.00 0.00 0.00 0.00 259.00
1983 0.00 0.00 0.00 0.00 20.00 3.50 42.00 88.00 1.50 0.00 0.00 0.00 155.00
1984 0.00 0.00 0.00 0.00 0.50 10.00 62.00 69.00 17.50 4.50 0.00 0.00 163.50
1985 0.00 0.00 0.00 0.00 1.00 23.50 164.50 68.00 1.00 0.00 0.00 0.00 258.00
1986 0.00 0.00 0.00 0.00 27.50 61.00 22.00 153.50 33.00 0.00 0.00 0.00 297.00
1987 0.00 0.00 0.00 0.00 26.00 61.00 54.50 106.00 28.00 3.50 0.00 0.00 279.00
1988 0.00 0.00 0.00 0.00 2.00 13.50 104.50 70.50 45.50 9.00 0.00 0.00 245.00
1989 0.00 0.00 0.00 0.00 3.00 44.00 34.00 43.00 29.50 0.00 0.00 0.00 153.50
1990 0.00 0.00 0.00 0.00 0.50 28.50 158.50 145.50 44.00 0.00 0.00 0.00 377.00
1991 0.00 0.00 0.00 0.00 0.00 1.00 104.50 119.50 74.50 0.00 0.00 0.00 299.50
1992 0.00 0.00 0.00 0.50 28.00 81.00 133.50 122.50 22.50 0.00 0.00 0.00 388.00
1993 0.00 0.00 0.00 0.00 16.00 10.50 8.50 103.50 47.50 0.50 0.00 0.00 186.50
1994 0.00 0.00 0.00 0.00 7.00 18.50 149.50 70.50 57.00 1.50 0.00 0.00 304.00
1995 0.00 0.00 0.00 0.00 8.50 51.00 130.50 49.00 39.00 0.00 0.00 0.00 278.00
1996 0.00 0.00 0.00 0.00 0.00 6.00 187.00 115.50 6.50 3.50 0.00 0.00 318.50
1997 0.00 0.00 0.00 0.00 24.50 5.00 78.00 148.50 41.00 0.00 0.00 0.00 297.00
1998 0.00 0.00 0.00 3.00 3.00 5.50 154.50 135.00 65.50 0.00 0.00 0.00 366.50
1999 0.00 0.00 0.00 0.00 4.00 21.00 82.00 116.50 48.00 0.00 0.00 0.00 271.50
2000 0.00 0.00 0.00 0.00 0.00 50.50 68.50 66.50 35.00 0.00 0.00 0.00 220.50
2001 0.00 0.00 0.00 0.00 16.50 6.50 62.50 86.00 43.00 0.00 0.00 0.00 214.50
2002 0.00 0.00 0.00 0.00 0.00 38.50 132.50 108.00 33.50 0.00 0.00 0.00 312.50
2003 0.00 0.00 0.00 0.00 7.50 66.50 169.00 121.50 67.00 7.50 0.00 0.00 439.00
2004 0.00 0.00 0.00 0.00 0.00 39.50 166.00 162.50 1.00 0.00 0.00 0.00 369.00
2005 0.00 0.00 0.00 0.00 15.00 7.00 133.00 130.00 13.50 0.00 0.00 0.00 298.50
2006 0.00 0.00 0.00 0.00 18.50 61.00 166.00 102.00 40.50 0.00 1.00 0.00 389.00
2007 0.00 0.00 0.00 0.00 8.00 19.50 152.00 84.00 29.00 0.00 0.00 0.00 292.50
2008 0.00 0.00 0.00 0.00 43.00 40.00 110.00 122.00 38.50 0.00 0.00 0.00 353.50
2009 0.00 0.00 0.00 0.00 17.50 27.00 212.00 128.00 51.50 0.00 0.00 0.00 436.00
2010 0.00 0.00 0.00 0.00 0.00 8.50 116.50 112.50 40.00 0.00 0.00 0.00 277.50
2011 0.00 0.00 0.00 0.00 0.00 13.50 53.50 137.00 97.50 0.00 0.00 0.00 301.50
2012 0.00 a 0.00 0.00 2.00 1.50 13.00 85.00 154.50 44.50 0.00 0.00 0.00 300.50
2013 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
Period of Record Statistics
MEAN 0.00 0.00 0.00 0.36 6.16 27.68 95.27 90.23 28.01 0.85 0.01 0.00 249.87
S.D. 0.00 0.00 0.00 1.63 8.25 23.64 49.57 42.98 21.04 2.02 0.09 0.00 88.99
SKEW 0.00 0.00 0.00 6.95 1.75 1.19 0.29 0.32 0.96 2.97 10.63 0.00 0.11
MAX 0.00 0.00 0.00 15.00 43.00 124.00 219.00 207.00 97.50 11.50 1.00 0.00 492.00
MIN 0.00 0.00 0.00 0.00 0.00 0.00 7.00 11.00 0.00 0.00 0.00 0.00 22.50
NO YRS 117 118 118 119 118 120 117 114 116 118 116 117 106