KENNEWICK, WASHINGTON

Monthly Total Cooling Degree Days

(454154)

Base Temperature = 65 F

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.
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
1894 0.00 z 0.00 0.00 z 0.00 z 95.87 d 116.00 403.00 a 399.50 59.50 7.00 0.00 0.00 1080.87
1895 0.00 0.00 0.00 1.00 75.00 149.50 228.48 d 224.00 12.50 6.41 b 0.00 z 0.00 z 696.90
1896 0.00 0.00 0.00 0.00 40.00 210.00 412.50 244.50 62.00 8.50 0.00 0.00 977.50
1897 0.00 0.00 0.00 1.00 89.00 139.00 225.50 387.50 31.00 3.00 2.00 0.00 878.00
1898 0.00 0.00 0.00 0.00 27.50 168.00 352.00 446.00 103.00 0.00 0.00 0.00 1096.50
1899 0.00 0.00 0.00 0.00 2.50 108.00 395.50 128.50 97.00 4.00 0.00 0.00 735.50
1900 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
1901 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
1902 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
1903 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
1904 0.00 n 0.00 0.00 13.00 28.00 111.00 k 169.50 p 358.57 a 66.72 a 0.00 z 0.00 z 0.00 z 466.29
1905 0.00 z 0.00 0.00 7.50 18.50 0.00 z 408.50 294.00 98.50 0.00 0.00 b 0.00 a 827.00
1906 0.00 a 0.00 b 0.00 a 6.21 a 35.28 b 75.52 a 659.04 d 346.50 69.50 f 6.20 a 0.00 h 0.00 1128.74
1907 0.00 0.00 0.00 0.00 0.00 z 93.50 318.50 175.00 53.57 b 0.00 b 0.00 0.00 640.57
1908 0.00 0.00 0.00 3.00 13.43 a 120.00 l 439.50 303.00 87.93 a 0.50 0.00 0.00 847.36
1909 0.00 0.00 a 0.00 0.00 28.00 139.50 227.00 173.00 0.00 z 0.00 0.00 0.00 567.50
1910 0.00 0.00 d 0.00 t 18.50 45.00 112.50 311.50 144.87 e 14.00 27.38 a 0.00 a 0.00 673.75
1911 0.00 a 0.00 0.00 f 0.00 28.50 208.50 435.00 286.50 42.50 m 6.00 0.00 f 0.00 964.50
1912 0.00 c 0.00 a 0.00 a 0.00 a 41.00 248.50 317.46 d 229.92 a 38.50 0.00 0.00 0.00 875.38
1913 0.00 z 0.00 0.00 a 0.54 b 44.50 157.24 a 312.58 a 369.23 c 55.56 c 0.00 e 0.00 0.00 c 939.65
1914 0.00 h 0.00 b 0.00 k 0.00 h 33.58 a 81.72 a 327.00 260.00 34.00 0.00 a 0.00 0.00 a 736.31
1915 0.00 0.00 d 0.00 0.00 9.00 122.00 183.00 297.50 28.00 6.50 0.00 a 0.00 646.00
1916 0.00 e 0.00 0.00 0.50 7.50 90.00 193.50 246.00 54.50 0.00 0.00 0.00 592.00
1917 0.00 0.00 0.00 0.00 a 16.10 e 87.50 311.60 b 268.84 b 50.69 a 10.00 0.00 1.00 745.73
1918 0.00 0.00 0.00 1.50 12.50 219.00 285.00 173.08 a 80.00 16.50 0.00 0.00 787.58
1919 0.00 0.00 0.00 1.00 43.00 68.50 216.50 g 212.35 a 28.00 0.00 0.00 0.00 a 352.85
1920 0.00 0.00 0.00 5.00 3.50 58.00 303.00 200.50 24.00 2.00 0.00 0.00 596.00
1921 0.00 0.00 a 0.00 0.00 38.00 163.50 217.00 234.50 15.00 0.00 0.00 0.00 668.00
1922 0.00 0.00 0.00 0.00 20.00 233.00 350.00 249.50 82.50 0.00 0.00 0.00 935.00
1923 0.00 0.00 0.00 0.00 13.50 95.00 336.50 276.50 86.50 0.00 0.00 0.00 808.00
1924 0.00 0.00 0.00 0.00 z 116.50 116.50 318.00 221.00 81.50 0.00 0.00 0.00 853.50
1925 0.00 0.00 0.00 4.50 40.50 210.00 362.50 224.50 51.50 0.00 0.00 0.00 893.50
1926 0.00 0.00 0.00 13.00 3.50 h 187.50 356.50 184.40 b 16.50 0.00 0.00 0.00 757.90
1927 0.00 0.00 0.00 8.00 5.50 113.00 307.50 254.72 a 28.00 0.00 0.00 0.00 716.72
1928 0.00 0.00 0.00 0.00 81.00 112.50 354.00 214.50 54.00 5.00 0.00 0.00 821.00
1929 0.00 0.00 0.00 1.00 33.50 94.66 a 256.50 331.00 52.00 9.50 0.00 0.00 778.16
1930 0.00 0.00 0.00 1.50 9.50 75.50 320.50 304.50 61.50 1.50 0.00 0.00 774.50
1931 0.00 0.00 0.00 4.50 77.00 112.00 350.00 289.00 71.00 0.00 0.00 0.00 903.50
1932 0.00 0.00 0.00 0.00 13.50 178.50 198.00 226.50 52.00 4.13 a 0.00 0.00 672.63
1933 0.00 0.00 0.00 b 2.00 12.00 i 133.50 339.50 243.23 e 24.00 3.88 c 0.00 0.00 b 746.11
1934 0.00 c 0.00 0.00 26.54 d 91.34 c 203.89 c 327.50 349.00 85.50 9.50 0.00 0.00 1093.27
1935 0.00 0.00 0.00 1.50 19.00 104.50 278.50 168.50 88.00 3.00 0.00 0.00 663.00
1936 0.00 0.00 0.00 10.00 61.50 123.00 250.00 233.50 36.50 0.00 0.00 0.00 714.50
1937 0.00 0.00 0.00 0.00 22.00 104.48 a 318.50 144.50 93.50 3.50 0.00 0.00 686.48
1938 0.00 0.00 0.00 0.00 62.00 a 210.00 432.50 243.00 180.50 3.10 a 0.00 0.00 1131.10
1939 0.00 0.00 0.00 a 4.50 69.00 112.00 365.50 332.00 82.00 0.00 0.00 0.00 965.00
1940 0.00 0.00 0.00 0.00 81.00 200.50 344.50 276.42 a 136.00 3.00 0.00 0.00 1041.42
1941 0.00 0.00 0.00 7.50 50.50 102.00 440.50 251.00 16.50 0.00 0.00 0.00 868.00
1942 0.00 0.00 0.00 1.50 28.00 81.00 373.00 359.08 a 91.00 5.00 0.00 0.00 938.58
1943 0.00 0.00 0.00 a 6.50 20.50 68.00 351.50 205.50 95.00 17.50 0.00 0.00 764.50
1944 0.00 0.00 0.00 4.50 49.00 102.00 342.50 230.50 106.50 1.00 0.00 0.00 836.00
1945 0.00 0.00 0.00 0.00 38.50 87.50 324.00 263.00 47.00 6.00 0.00 0.00 766.00
1946 0.00 z 0.00 z 0.00 z 1.50 f 18.50 87.00 272.50 259.00 42.00 0.00 0.00 0.00 679.00
1947 0.00 0.00 0.00 1.50 115.50 87.50 288.00 187.50 65.00 17.00 0.00 0.00 762.00
1948 0.00 0.00 b 0.00 0.00 32.50 193.45 a 208.70 c 197.50 46.00 0.00 0.00 0.00 678.14
1949 0.00 0.00 0.00 0.52 a 83.50 119.00 245.00 214.50 71.38 a 0.00 0.00 0.00 733.90
1950 0.00 0.00 0.00 0.00 8.94 e 113.57 b 302.50 242.50 64.14 a 0.00 0.00 0.00 m 731.65
1951 0.00 0.00 0.00 0.00 32.00 136.50 338.50 248.00 67.50 0.50 0.00 0.00 823.00
1952 0.00 0.00 0.00 9.50 41.00 112.50 303.50 247.50 66.72 a 0.00 0.00 0.00 780.72
1953 0.00 0.00 0.00 0.00 7.50 26.50 291.50 166.00 k 97.76 a 0.00 0.00 0.00 423.26
1954 0.00 a 0.00 0.00 b 0.00 39.00 82.76 a 111.50 m 138.00 37.50 0.00 0.00 0.00 297.26
1955 0.00 0.00 0.00 0.00 8.27 a 170.00 169.50 f 97.00 l 75.52 a 3.32 c 0.00 b 0.00 257.11
1956 0.00 0.00 k 0.00 6.50 82.50 77.00 165.00 n 227.00 37.24 a 0.00 0.00 0.00 430.24
1957 0.00 0.00 0.00 3.50 49.50 163.50 230.00 133.76 d 63.00 0.00 0.00 0.00 643.26
1958 0.00 0.00 0.00 0.00 136.00 238.50 437.50 265.00 j 60.00 0.00 0.00 a 0.00 872.00
1959 0.00 a 0.00 0.00 0.00 17.00 133.00 316.00 159.50 33.00 0.00 0.00 0.00 658.50
1960 0.00 c 0.00 0.00 2.00 28.00 141.00 438.50 213.50 48.50 0.00 0.00 0.00 871.50
1961 0.00 0.00 0.00 1.00 38.00 304.50 419.50 427.00 48.00 2.50 0.00 d 0.00 1240.50
1962 0.00 0.00 0.00 6.00 4.00 127.50 285.50 212.50 79.50 0.00 0.00 0.00 715.00
1963 0.00 0.00 0.00 0.00 56.00 142.50 229.50 277.00 140.00 4.50 0.00 0.00 849.50
1964 0.00 0.00 0.00 b 0.00 31.50 102.00 268.50 167.00 24.00 0.00 0.00 0.00 593.00
1965 0.00 0.00 0.00 6.00 27.50 133.50 334.00 290.50 23.00 7.00 0.00 0.00 821.50
1966 0.00 0.00 0.00 0.00 67.50 118.50 250.00 270.50 100.00 2.50 0.00 0.00 809.00
1967 0.00 0.00 0.00 0.00 41.00 207.50 353.50 398.00 164.00 5.50 0.00 0.00 1169.50
1968 0.00 0.00 0.00 10.50 28.00 165.00 364.00 198.29 b 85.50 1.50 0.00 0.00 852.79
1969 0.00 0.00 0.00 0.00 50.00 238.50 248.00 185.00 73.50 0.00 0.00 0.00 795.00
1970 0.00 0.00 0.00 0.00 23.50 215.50 368.50 256.50 32.50 0.00 0.00 0.00 896.50
1971 0.00 0.00 0.00 0.00 56.50 67.50 339.00 395.50 24.00 4.50 0.00 0.00 887.00
1972 0.00 0.00 0.00 0.00 69.50 169.00 309.00 317.50 62.00 0.00 0.00 0.00 927.00
1973 0.00 0.00 0.00 0.00 72.00 170.00 348.50 255.00 65.00 0.00 0.00 0.00 910.50
1974 0.00 0.00 0.00 0.00 8.00 214.82 b 259.00 275.50 64.50 0.00 0.00 0.00 a 821.82
1975 0.00 0.00 0.00 0.00 16.00 95.00 398.00 186.53 b 66.50 0.00 0.00 0.00 762.03
1976 0.00 0.00 0.00 0.00 0.00 z 63.00 254.20 a 171.57 b 73.50 j 1.00 0.00 b 0.00 489.77
1977 0.00 0.00 0.00 9.50 1.03 a 168.50 g 237.00 432.00 32.00 0.00 0.00 0.00 711.53
1978 0.00 0.00 0.00 0.00 11.50 141.50 273.00 0.00 z 27.00 0.00 0.00 0.00 453.00
1979 0.00 0.00 0.00 0.00 z 45.00 0.00 z 337.00 265.50 94.50 0.00 z 0.00 0.00 742.00
1980 0.00 0.00 0.00 8.00 27.50 69.50 326.00 203.00 71.00 10.50 0.00 0.00 715.50
1981 0.00 0.00 0.00 6.00 21.50 60.00 249.00 339.00 85.00 0.00 a 0.00 0.00 760.50
1982 0.00 0.00 0.00 0.00 11.50 179.00 268.50 309.00 84.00 0.00 0.00 0.00 852.00
1983 0.00 0.00 0.00 0.50 108.50 102.50 237.00 331.50 42.50 1.00 0.00 0.00 823.50
1984 0.00 0.00 0.00 1.50 17.00 103.00 341.00 297.50 55.00 1.00 0.00 0.00 816.00
1985 0.00 0.00 0.00 1.50 74.50 130.00 438.00 193.50 14.50 0.00 0.00 0.00 852.00
1986 0.00 0.00 0.00 6.00 99.50 238.00 199.00 410.50 62.50 0.50 0.00 0.00 1016.00
1987 0.00 0.00 0.00 25.50 89.00 188.50 278.50 240.50 137.00 1.50 0.00 0.00 960.50
1988 0.00 0.00 0.00 0.00 48.50 159.00 316.50 260.50 85.50 21.50 0.00 0.00 891.50
1989 0.00 0.00 0.00 1.00 18.50 191.50 271.00 232.00 57.50 0.00 1.00 0.00 772.50
1990 0.00 0.00 0.00 0.50 6.00 148.50 409.00 315.00 160.50 2.50 0.00 0.00 1042.00
1991 0.00 0.00 0.00 0.00 0.00 51.50 324.00 369.00 97.00 5.00 0.00 0.00 846.50
1992 0.00 0.00 0.00 10.50 80.50 279.50 277.00 326.50 62.50 7.50 0.00 0.00 1044.00
1993 0.00 0.00 0.00 0.00 111.50 95.50 130.00 232.50 91.00 3.00 0.00 0.00 663.50
1994 0.00 0.00 0.00 10.00 61.00 128.00 405.50 310.00 117.50 1.00 0.00 0.00 1033.00
1995 0.00 0.00 0.00 0.00 47.50 111.00 319.00 176.50 136.50 0.00 0.00 0.00 790.50
1996 0.00 0.00 0.00 1.00 7.50 95.50 360.00 271.50 61.00 5.00 0.00 0.00 801.50
1997 0.00 0.00 0.00 0.00 73.50 110.00 298.50 397.00 97.50 2.50 0.00 0.00 979.00
1998 0.00 0.00 0.00 3.00 54.50 0.00 z 530.00 381.50 188.50 3.00 0.00 0.00 1160.50
1999 0.00 0.00 0.00 0.00 33.00 144.50 264.00 376.50 63.50 0.00 0.50 0.00 882.00
2000 0.00 0.00 0.00 0.50 40.50 164.00 314.00 306.50 73.00 1.50 0.00 0.00 900.00
2001 0.00 0.00 0.00 6.00 76.50 0.00 z 336.50 374.50 150.00 0.00 0.00 z 0.00 943.50
2002 0.00 0.00 0.00 0.50 23.50 208.00 414.00 269.00 90.00 0.00 0.00 0.00 1005.00
2003 0.00 0.00 1.00 0.00 60.00 213.00 438.50 370.00 137.00 0.00 z 0.00 0.00 1219.50
2004 0.00 0.00 0.00 0.50 22.00 195.00 428.00 382.50 74.00 0.00 0.00 0.00 1102.00
2005 0.00 0.00 0.00 3.50 75.00 116.50 385.00 352.50 52.50 0.00 0.00 0.00 985.00
2006 0.00 0.00 0.00 1.00 71.50 163.00 458.50 299.50 105.00 0.00 4.00 0.00 1102.50
2007 0.00 0.00 0.50 2.50 49.50 153.00 464.50 285.00 107.00 0.00 0.00 0.00 1062.00
2008 0.00 0.00 0.00 0.00 65.00 120.52 a 377.00 307.00 63.50 5.50 0.00 0.00 938.52
2009 0.00 0.00 0.00 2.00 76.00 201.00 424.00 379.50 149.50 0.00 0.00 0.00 1232.00
2010 0.00 0.00 0.00 1.00 17.00 97.00 337.50 317.00 81.50 10.00 0.00 0.00 861.00
2011 0.00 0.00 0.00 0.00 3.00 83.50 230.50 366.00 142.50 4.00 0.00 0.00 829.50
2012 0.00 0.00 0.00 12.50 33.50 107.00 378.50 359.00 85.00 4.00 0.00 0.00 979.50
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 0.01 2.88 42.60 138.34 327.64 272.70 71.84 2.86 0.07 0.01 857.76
S.D. 0.00 0.00 0.11 4.90 30.41 54.55 79.13 75.41 37.73 4.73 0.44 0.09 146.57
SKEW 0.00 0.00 8.34 2.60 0.76 0.60 0.64 0.24 0.82 2.64 7.65 10.44 0.46
MAX 0.00 0.00 1.00 26.54 136.00 304.50 659.04 446.00 188.50 27.38 4.00 1.00 1240.50
MIN 0.00 0.00 0.00 0.00 0.00 26.50 130.00 128.50 12.50 0.00 0.00 0.00 592.00
NO YRS 111 115 112 110 111 108 110 111 111 112 110 112 85