THE DALLES, OREGON

Monthly Total Cooling Degree Days

(358407)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201302
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
1893 0.00 0.00 0.00 0.00 0.50 15.50 154.00 174.50 29.00 0.00 0.00 0.00 373.50
1894 0.00 a 0.00 0.00 0.00 46.50 45.00 239.00 260.00 24.50 0.00 0.00 0.00 615.00
1895 0.00 0.00 0.00 0.00 5.50 102.50 176.00 176.00 14.50 0.00 0.00 0.00 474.50
1896 0.00 a 0.00 0.00 0.00 7.00 113.50 364.50 175.50 46.00 0.50 0.00 0.00 707.00
1897 0.00 0.00 0.00 6.00 68.50 82.50 152.50 324.50 33.00 5.50 0.00 0.00 672.50
1898 0.00 0.00 0.00 0.00 16.50 81.50 215.50 291.50 32.00 0.00 0.00 0.00 637.00
1899 0.00 0.00 0.00 0.00 0.00 39.50 225.50 63.07 b 62.00 0.00 0.00 0.00 390.07
1900 0.00 0.00 0.00 0.00 6.50 99.31 a 206.50 69.50 13.00 0.00 0.00 0.00 394.81
1901 0.00 0.00 b 0.00 e 0.00 26.00 40.50 130.41 b 272.59 b 5.50 2.00 0.00 a 0.00 d 477.00
1902 0.00 0.00 0.00 e 0.00 32.50 64.44 c 170.00 191.00 53.28 a 0.00 0.00 0.00 511.22
1903 0.00 0.00 0.00 0.00 24.00 121.03 a 119.50 156.50 9.00 0.00 0.00 a 0.00 430.03
1904 0.00 0.00 0.00 b 4.00 21.18 a 94.00 222.50 240.00 52.24 a 2.50 0.00 0.00 636.42
1905 0.00 0.00 0.00 3.50 30.00 72.50 247.00 176.00 66.50 0.00 0.00 0.00 595.50
1906 0.00 0.00 0.00 4.00 15.00 35.00 424.50 220.50 57.50 2.58 a 0.00 0.00 759.08
1907 0.00 0.00 0.00 0.00 43.00 79.00 241.50 100.50 27.50 0.00 0.00 0.00 491.50
1908 0.00 0.00 0.00 0.00 7.50 78.00 311.50 214.00 61.50 0.00 a 0.00 0.00 672.50
1909 0.00 a 0.00 a 0.00 0.00 7.50 73.50 132.00 119.57 c 79.00 0.00 a 0.00 0.00 411.57
1910 0.00 0.00 0.00 10.50 48.00 53.00 239.00 115.00 8.50 0.00 0.00 0.00 474.00
1911 0.00 0.00 0.00 0.00 7.50 65.50 270.00 137.00 21.72 a 0.00 0.00 0.00 501.72
1912 0.00 a 0.00 0.00 0.00 18.50 129.50 228.00 169.00 0.00 z 0.00 z 0.00 z 0.00 z 545.00
1913 0.00 z 0.00 z 0.00 u 0.00 37.00 122.00 272.00 323.43 a 0.00 z 0.50 0.00 b 0.00 c 754.93
1914 0.00 a 0.00 a 0.00 0.00 d 3.00 103.50 346.50 329.50 11.50 0.00 0.00 c 0.00 794.00
1915 0.00 0.00 0.00 1.03 a 11.00 105.00 a 218.00 367.00 57.12 d 4.50 0.00 0.00 763.65
1916 0.00 0.00 0.00 1.50 7.00 83.50 116.85 e 230.00 39.50 0.00 0.00 0.00 a 478.35
1917 0.00 a 0.00 0.00 0.00 2.50 86.00 295.53 a 303.00 60.50 4.00 0.00 0.00 751.53
1918 0.00 0.00 0.00 1.50 11.00 190.00 211.50 124.00 122.50 3.50 0.00 0.00 664.00
1919 0.00 0.00 0.00 d 2.00 14.98 a 56.38 a 359.82 c 222.00 0.50 0.00 0.00 0.00 655.68
1920 0.00 0.00 0.00 5.00 6.50 66.50 300.50 282.00 35.50 6.50 0.00 0.00 702.50
1921 0.00 0.00 0.00 0.00 c 39.78 a 131.00 208.00 233.00 25.00 4.00 0.00 0.00 640.78
1922 0.00 0.00 b 0.00 a 0.00 a 46.50 231.21 a 259.00 h 251.32 c 57.12 d 0.00 k 0.00 b 0.00 c 586.14
1923 0.00 c 0.00 d 1.00 0.50 35.50 148.00 318.00 368.50 126.50 12.50 0.00 0.00 a 1010.50
1924 0.00 0.00 b 0.00 2.14 b 115.50 154.50 279.00 237.50 67.50 0.00 0.00 0.00 856.14
1925 0.00 a 0.00 0.00 6.50 39.00 141.50 366.50 233.00 60.00 0.00 a 0.00 0.00 846.50
1926 0.00 a 0.00 0.00 b 20.00 12.50 221.00 365.28 a 267.78 b 60.00 0.00 0.00 0.00 f 946.56
1927 0.00 a 0.00 0.00 1.00 8.00 86.50 242.00 267.50 13.89 c 0.00 0.00 0.00 618.89
1928 0.00 0.00 0.00 0.00 90.50 68.50 320.50 221.50 47.00 0.00 0.00 0.00 748.00
1929 0.00 0.00 0.00 1.00 22.50 94.00 162.50 281.50 50.50 12.00 0.00 0.00 624.00
1930 0.00 0.00 0.00 0.00 3.00 54.00 288.00 278.50 94.50 0.00 0.00 0.00 718.00
1931 0.00 0.00 0.00 4.50 38.00 44.48 a 231.50 212.50 78.50 0.00 0.00 0.00 609.48
1932 0.00 0.00 a 0.00 c 0.00 1.00 168.00 150.50 174.00 63.00 4.50 0.00 0.00 561.00
1933 0.00 a 0.00 a 0.00 2.00 4.00 97.50 242.50 274.50 20.50 0.00 0.00 0.00 b 641.00
1934 0.00 0.00 0.50 11.50 37.50 110.50 193.50 246.50 81.00 2.00 0.00 0.00 a 683.00
1935 0.00 0.00 c 0.00 0.00 7.00 88.00 250.50 184.00 119.50 0.50 0.00 0.00 a 649.50
1936 0.00 b 0.00 c 0.00 4.50 57.72 b 146.00 217.00 213.50 58.00 0.00 0.00 0.00 696.72
1937 0.00 0.00 0.00 0.00 22.00 100.00 244.50 151.00 82.50 0.00 0.00 0.00 600.00
1938 0.00 0.00 0.00 0.50 43.00 144.50 284.00 149.00 125.00 0.00 0.00 0.00 746.00
1939 0.00 b 0.00 b 0.00 c 3.50 27.00 63.50 296.50 255.00 74.50 0.00 0.00 0.00 720.00
1940 0.00 0.00 0.00 0.00 67.00 200.00 247.00 231.50 89.50 4.50 0.00 0.00 839.50
1941 0.00 0.00 a 0.00 a 5.89 b 40.82 a 113.50 436.00 262.50 19.29 b 0.00 0.00 0.00 a 878.00
1942 0.00 0.00 0.00 a 1.50 17.00 66.50 320.50 300.00 0.00 z 5.50 0.00 0.00 711.00
1943 0.00 0.00 0.00 10.50 14.50 67.50 228.00 132.50 88.45 a 12.50 0.00 0.00 z 553.95
1944 0.00 z 0.00 u 0.00 0.00 33.00 87.50 315.00 236.50 146.50 0.00 0.00 a 0.00 818.50
1945 0.00 0.00 0.00 1.00 45.50 113.50 363.50 326.50 68.00 3.00 0.00 0.00 921.00
1946 0.00 0.00 0.00 1.50 34.00 74.50 279.50 277.50 51.50 0.00 0.00 0.00 718.50
1947 0.00 0.00 0.00 4.50 112.00 59.00 230.00 190.00 87.00 10.50 0.00 0.00 693.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 209.00 170.50 a 66.21 a 0.00 c 0.00 a 0.00 445.71
1949 0.00 0.00 0.00 0.00 80.50 145.50 246.00 259.37 a 123.62 a 0.00 0.00 0.00 854.99
1950 0.00 0.00 0.00 0.00 17.05 a 126.50 262.00 306.38 a 154.50 0.00 0.00 0.00 866.43
1951 0.00 0.00 0.00 1.00 42.50 170.69 a 303.50 250.50 126.00 0.00 0.00 0.00 894.19
1952 0.00 0.00 0.00 11.50 52.50 89.00 311.50 265.50 163.97 a 26.50 0.00 a 0.00 920.47
1953 0.00 0.00 0.00 0.00 21.50 28.50 265.50 234.50 139.66 a 0.00 0.00 0.00 689.66
1954 0.00 0.00 0.00 0.00 54.00 60.50 173.00 130.20 a 71.00 0.00 0.00 0.00 488.70
1955 0.00 0.00 0.00 0.00 11.88 a 132.50 175.50 272.50 129.50 0.00 0.00 0.00 721.88
1956 0.00 0.00 a 0.00 13.00 125.00 87.50 354.00 264.50 106.50 0.00 0.00 0.00 950.50
1957 0.00 0.00 0.00 16.00 71.00 157.00 217.00 178.00 165.50 6.50 0.00 0.00 811.00
1958 0.00 0.00 0.00 0.00 143.50 237.50 447.00 421.00 117.00 17.00 0.00 0.00 1383.00
1959 0.00 0.00 0.00 0.00 20.00 108.50 348.00 240.00 54.00 3.50 0.00 0.00 774.00
1960 0.00 0.00 0.00 5.50 16.00 167.50 398.00 217.00 92.50 14.00 0.00 0.00 910.50
1961 0.00 0.00 0.00 1.00 23.25 a 261.00 342.50 419.50 42.50 2.00 0.00 0.00 1091.75
1962 0.00 0.00 0.00 3.00 1.00 110.50 269.00 199.50 109.00 0.50 0.00 0.00 a 692.50
1963 0.00 a 0.00 0.00 0.00 67.68 a 119.50 141.00 282.50 203.50 8.00 0.00 0.00 822.18
1964 0.00 0.00 0.00 0.00 23.50 76.00 272.00 182.00 46.00 0.00 0.00 0.00 599.50
1965 0.00 0.00 0.00 5.00 36.00 125.00 333.50 292.50 45.00 14.00 0.00 0.00 851.00
1966 0.00 0.00 0.00 0.00 69.50 97.50 230.00 275.38 a 142.00 0.50 0.00 0.00 814.88
1967 0.00 0.00 0.00 0.00 44.50 213.50 348.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 606.50
1968 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
1969 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
1970 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
1971 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
1972 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
1973 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
1974 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
1975 0.00 z 0.00 0.00 0.00 30.50 92.59 a 329.50 144.50 79.50 0.00 0.00 a 0.00 676.59
1976 0.00 0.00 a 0.00 a 0.00 24.00 66.00 238.91 b 168.50 91.00 8.86 c 0.00 0.00 597.27
1977 0.00 0.00 0.00 18.50 3.00 211.03 a 277.93 b 433.00 53.79 a 0.00 c 0.00 0.00 b 997.26
1978 0.00 0.00 0.00 0.00 22.22 a 183.50 310.00 246.50 35.00 0.00 a 0.00 0.00 c 797.22
1979 0.00 0.00 0.00 5.00 75.00 171.50 322.50 234.16 c 125.50 12.50 0.00 a 0.00 946.16
1980 0.00 0.00 0.00 8.79 a 29.45 a 70.34 a 308.00 199.95 a 93.00 24.80 a 0.00 0.00 c 734.34
1981 0.00 0.00 a 0.00 b 6.21 a 37.41 b 69.83 a 254.00 367.87 a 133.45 a 0.00 0.00 0.00 868.76
1982 0.00 0.00 0.00 0.00 28.50 221.00 259.50 304.00 86.50 0.00 0.00 0.00 899.50
1983 0.00 0.00 0.00 1.50 119.50 85.00 190.50 287.50 33.00 0.00 0.00 0.00 717.00
1984 0.00 0.00 0.00 0.00 17.00 98.00 337.00 264.50 79.50 1.50 0.00 0.00 797.50
1985 0.00 0.00 0.00 0.00 47.00 150.00 459.00 193.50 10.50 0.00 0.00 0.00 860.00
1986 0.00 0.00 0.00 5.00 95.50 221.00 165.33 a 397.00 63.00 1.00 0.00 0.00 947.83
1987 0.00 0.00 0.00 16.50 83.50 215.50 240.50 293.50 160.00 9.50 0.00 0.00 a 1019.00
1988 0.00 a 0.00 0.00 1.50 30.00 126.50 314.50 228.00 111.50 44.00 0.00 0.00 856.00
1989 0.00 0.00 0.00 4.00 31.50 160.00 199.50 219.50 91.00 3.00 0.00 0.00 708.50
1990 0.00 0.00 0.00 10.00 9.00 128.00 353.00 304.50 192.00 3.50 0.00 0.00 1000.00
1991 0.00 0.00 0.00 0.00 0.00 46.50 322.50 356.00 131.50 11.00 0.00 0.00 867.50
1992 0.00 0.00 0.00 6.50 89.50 276.00 310.00 327.50 61.50 5.50 0.00 0.00 1076.50
1993 0.00 0.00 0.00 0.00 85.50 82.50 81.50 220.50 125.50 20.00 0.00 0.00 615.50
1994 0.00 0.00 0.00 12.00 69.00 104.50 387.50 291.50 149.00 0.50 0.00 0.00 1014.00
1995 0.00 0.00 0.00 0.00 65.50 0.00 z 302.50 166.00 147.00 0.00 0.00 0.00 681.00
1996 0.00 0.00 0.00 7.50 6.50 0.00 z 376.00 269.50 53.50 14.00 0.00 0.00 727.00
1997 0.00 0.00 0.00 0.00 74.50 59.50 216.00 309.00 120.00 0.00 0.00 0.00 779.00
1998 0.00 0.00 0.00 7.50 0.00 z 0.00 z 0.00 z 0.00 z 192.00 5.00 0.00 0.00 204.50
1999 0.00 0.00 0.00 1.03 a 18.50 68.00 176.00 269.18 a 40.34 a 0.00 0.00 0.00 a 573.06
2000 0.00 0.00 0.00 a 1.50 10.50 100.34 a 182.00 177.45 b 55.00 0.00 z 0.00 z 0.00 526.79
2001 0.00 0.00 0.00 3.00 0.00 z 0.00 z 183.00 0.00 z 102.93 a 0.50 0.00 0.00 289.43
2002 0.00 0.00 0.00 a 0.00 7.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 7.00
2003 0.00 0.00 0.00 0.00 36.00 131.00 320.50 242.00 122.00 14.50 0.00 a 0.00 z 866.00
2004 0.00 z 0.00 0.00 a 0.00 a 10.50 128.50 304.00 289.50 0.00 z 0.00 0.00 0.00 732.50
2005 0.00 0.00 a 0.00 0.00 28.00 55.86 a 251.50 262.50 49.66 a 0.00 0.00 a 0.00 647.52
2006 0.00 0.00 0.00 5.50 57.00 104.50 0.00 z 242.04 e 84.00 0.00 0.00 0.00 493.04
2007 0.00 0.00 0.00 0.00 20.50 103.00 322.00 175.50 54.00 0.00 0.00 0.00 z 675.00
2008 0.00 z 0.00 0.00 z 0.00 49.00 78.00 228.50 0.00 z 0.00 z 0.00 0.00 0.00 z 355.50
2009 0.00 z 0.00 z 0.00 3.00 33.00 121.50 330.00 274.00 110.50 0.00 0.00 0.00 872.00
2010 0.00 0.00 0.00 0.00 13.00 50.00 249.50 210.50 53.50 2.00 0.00 0.00 578.50
2011 0.00 a 0.00 b 0.00 b 0.00 a 2.14 b 44.48 a 150.00 215.97 a 115.34 a 0.00 0.00 0.00 a 527.93
2012 0.00 0.00 b 0.00 b 12.93 a 14.95 c 54.83 a 248.52 a 273.00 55.71 b 0.00 a 0.00 0.00 659.94
2013 0.00 a 0.00 a 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
Period of Record Statistics
MEAN 0.00 0.00 0.01 2.81 34.85 109.96 264.38 240.78 77.71 3.50 0.00 0.00 728.32
S.D. 0.00 0.00 0.11 4.44 30.61 54.42 76.85 72.09 46.08 6.75 0.00 0.00 180.83
SKEW 0.00 0.00 8.27 1.93 1.31 0.95 0.13 0.15 0.55 3.09 0.00 0.00 0.45
MAX 0.00 0.00 1.00 20.00 143.50 276.00 459.00 433.00 203.50 44.00 0.00 0.00 1383.00
MIN 0.00 0.00 0.00 0.00 0.00 15.50 81.50 63.07 0.50 0.00 0.00 0.00 373.50
NO YRS 107 110 110 112 110 107 109 108 106 108 109 105 91