SUNNYSIDE, WASHINGTON

Monthly Total Cooling Degree Days

(458207)

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 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 q 0.00 0.00 z 0.00 0.00
1895 0.00 0.00 0.00 11.00 17.50 158.50 243.50 189.00 14.50 0.00 0.00 0.00 634.00
1896 0.00 0.00 0.00 0.00 14.50 119.50 383.50 226.00 33.00 3.00 0.00 0.00 779.50
1897 0.00 0.00 0.00 5.50 77.00 131.50 150.00 300.50 22.50 0.50 1.00 0.00 688.50
1898 0.00 0.00 0.00 0.00 19.50 99.50 239.50 311.00 31.50 0.00 0.00 0.00 701.00
1899 0.00 0.00 0.00 0.00 3.00 48.50 284.50 67.50 47.00 1.00 0.00 0.00 451.50
1900 0.00 0.00 0.00 2.50 6.50 123.50 237.00 75.00 16.50 0.00 0.00 0.00 461.00
1901 0.00 0.00 0.00 0.00 32.00 41.00 132.50 269.18 a 2.00 0.00 0.00 0.00 476.68
1902 0.00 0.00 0.00 0.00 7.50 57.00 128.00 142.50 32.50 0.00 0.00 0.00 367.50
1903 0.00 0.00 0.00 0.00 19.00 150.50 111.00 110.50 2.00 0.00 0.00 0.00 393.00
1904 0.00 0.00 0.00 0.50 4.00 82.24 a 184.50 183.00 37.50 0.00 0.00 0.00 491.74
1905 0.00 0.00 0.00 0.00 14.50 45.50 242.50 137.00 31.50 0.00 0.00 z 0.00 471.00
1906 0.00 t 0.00 0.00 0.50 8.00 26.50 373.00 167.50 38.50 2.50 0.00 0.00 616.50
1907 0.00 0.00 z 0.00 z 0.00 v 0.00 z 0.00 z 0.00 z 0.00 z 11.50 0.00 0.00 0.00 z 11.50
1908 0.00 z 0.00 z 0.00 z 0.00 z 0.00 o 45.50 227.00 174.12 a 39.31 a 0.00 0.00 0.00 485.93
1909 0.00 0.00 0.00 0.00 6.00 69.00 119.00 77.50 66.00 0.00 0.00 0.00 337.50
1910 0.00 0.00 0.00 9.50 47.00 55.50 192.50 75.50 19.00 2.00 0.00 0.00 401.00
1911 0.00 0.00 0.00 0.00 4.50 87.00 245.00 106.50 19.00 0.00 0.00 0.00 462.00
1912 0.00 0.00 0.00 0.00 4.00 127.00 169.00 117.50 5.50 0.00 0.00 0.00 423.00
1913 0.00 0.00 0.00 0.00 15.50 77.00 192.50 181.00 13.00 0.00 0.00 0.00 479.00
1914 0.00 0.00 0.00 0.00 27.50 82.50 245.50 161.50 2.00 0.00 0.00 0.00 519.00
1915 0.00 0.00 a 0.00 0.00 16.50 97.50 214.00 312.00 10.50 0.00 0.00 0.00 650.50
1916 0.00 0.00 0.00 1.00 2.50 81.00 118.00 183.00 21.00 0.00 0.00 0.00 406.50
1917 0.00 0.00 0.00 0.00 6.00 62.00 241.00 228.00 26.00 0.00 0.00 0.00 563.00
1918 0.00 0.00 0.00 0.00 14.00 209.50 240.00 119.50 94.00 2.50 0.00 0.00 679.50
1919 0.00 0.00 0.00 0.00 25.50 48.50 217.50 179.50 16.00 0.00 0.00 0.00 487.00
1920 0.00 0.00 0.00 1.50 2.50 46.50 273.00 219.50 22.50 1.00 0.00 0.00 566.50
1921 0.00 0.00 0.00 0.00 16.00 109.50 154.50 186.50 0.00 0.00 0.00 0.00 466.50
1922 0.00 0.00 0.00 0.00 23.50 180.00 268.00 216.50 47.50 1.00 0.00 0.00 736.50
1923 0.00 0.00 0.00 0.00 19.50 98.00 260.50 229.92 a 73.50 0.50 0.00 0.00 681.92
1924 0.00 0.00 0.00 0.00 95.00 87.93 a 217.50 155.50 70.00 0.50 0.00 0.00 a 626.43
1925 0.00 0.00 0.00 9.50 36.00 145.50 268.50 182.50 38.00 0.00 a 0.00 0.00 680.00
1926 0.00 0.00 a 0.00 16.50 7.00 151.50 256.00 124.52 a 12.50 0.00 0.00 0.00 568.02
1927 0.00 0.00 0.00 0.52 a 3.00 86.50 204.00 206.15 a 7.00 1.50 0.00 0.00 508.67
1928 0.00 0.00 0.00 0.00 b 72.69 b 89.00 268.15 a 128.50 32.07 a 0.00 0.00 0.00 590.41
1929 0.00 0.00 0.00 a 0.00 25.12 b 70.86 a 174.00 199.50 26.38 a 0.00 0.00 0.00 495.86
1930 0.00 0.00 a 0.00 0.00 c 5.17 a 57.41 a 233.50 199.95 a 30.00 a 0.00 c 0.00 a 0.00 526.03
1931 0.00 a 0.00 a 0.00 2.50 73.50 88.50 276.00 179.00 51.50 0.00 0.00 0.00 671.00
1932 0.00 0.00 0.00 0.00 5.50 159.50 127.50 169.50 31.00 6.50 0.00 0.00 499.50
1933 0.00 0.00 0.00 0.00 7.00 94.00 231.50 208.00 4.50 0.00 0.00 0.00 545.00
1934 0.00 0.00 0.00 22.00 71.00 118.00 195.50 214.50 45.50 1.00 0.00 0.00 667.50
1935 0.00 0.00 0.00 0.00 16.50 72.00 228.50 123.50 78.50 0.00 0.00 0.00 519.00
1936 0.00 0.00 0.00 11.50 66.00 120.50 204.00 162.00 31.50 0.00 0.00 0.00 595.50
1937 0.00 0.00 0.00 0.00 11.00 98.00 279.00 104.50 56.50 0.00 0.00 0.00 549.00
1938 0.00 0.00 0.00 0.00 35.50 149.00 315.50 117.00 106.00 0.00 0.00 0.00 723.00
1939 0.00 0.00 0.50 1.00 21.00 53.50 228.00 211.50 38.00 0.00 0.00 0.00 553.50
1940 0.00 0.00 0.00 0.00 34.00 140.50 203.00 166.50 59.50 2.50 0.00 0.00 606.00
1941 0.00 0.00 0.00 0.00 25.00 60.00 318.00 163.50 0.00 a 0.00 0.00 0.00 566.50
1942 0.00 0.00 0.00 0.00 13.00 50.00 256.00 273.00 30.00 0.00 0.00 0.00 622.00
1943 0.00 0.00 0.00 0.50 4.50 42.00 227.50 104.50 45.50 8.00 0.00 0.00 432.50
1944 0.00 0.00 0.00 0.00 25.50 73.00 235.50 123.50 77.00 0.00 0.00 0.00 534.50
1945 0.00 0.00 0.00 0.00 a 19.50 70.00 221.50 201.50 19.50 0.00 0.00 0.00 532.00
1946 0.00 0.00 0.00 0.00 17.50 55.00 189.00 173.50 18.50 0.00 0.00 0.00 453.50
1947 0.00 0.00 0.00 0.50 80.00 48.50 192.00 123.00 49.50 10.00 0.00 0.00 503.50
1948 0.00 0.00 0.00 0.00 27.00 161.50 124.50 122.97 a 43.00 0.00 0.00 0.00 478.97
1949 0.00 0.00 0.00 4.50 82.00 81.00 159.50 167.50 94.50 0.00 0.00 0.00 589.00
1950 0.00 0.00 0.00 0.00 14.00 97.00 252.00 230.00 79.00 0.00 a 0.00 0.00 672.00
1951 0.00 0.00 0.00 3.00 37.50 120.50 253.00 182.00 75.50 0.00 0.00 0.00 671.50
1952 0.00 0.00 0.00 9.23 d 30.50 102.00 300.00 180.00 100.00 1.50 0.00 0.00 723.23
1953 0.00 0.00 0.00 0.00 14.50 22.00 218.50 186.50 75.50 2.50 0.00 0.00 519.50
1954 0.00 0.00 0.00 0.00 40.50 51.00 154.00 86.00 21.00 0.00 0.00 a 0.00 352.50
1955 0.00 0.00 0.00 0.00 1.50 129.00 154.00 121.00 60.50 0.00 0.00 0.00 466.00
1956 0.00 0.00 0.00 6.50 82.50 61.00 279.00 199.00 47.00 0.00 0.00 0.00 675.00
1957 0.00 0.00 0.00 5.00 42.00 129.50 145.50 94.00 62.00 2.50 0.00 0.00 480.50
1958 0.00 0.00 0.00 0.00 145.00 202.50 357.00 277.00 61.00 1.00 0.00 0.00 1043.50
1959 0.00 0.00 0.00 0.00 15.50 84.50 256.00 117.00 27.50 0.00 0.00 0.00 500.50
1960 0.00 0.00 2.00 3.50 20.00 109.50 324.00 160.50 36.50 4.00 0.00 0.00 660.00
1961 0.00 0.00 0.00 0.00 25.50 208.00 294.50 310.50 9.00 0.00 a 0.00 b 0.00 847.50
1962 0.00 0.00 0.00 10.50 1.50 86.50 209.00 125.50 56.00 0.00 0.00 0.00 489.00
1963 0.00 0.00 0.00 0.00 30.00 92.50 103.00 185.00 113.50 0.00 0.00 0.00 524.00
1964 0.00 0.00 0.00 0.00 b 21.50 56.50 200.50 104.00 11.00 0.00 0.00 0.00 393.50
1965 0.00 0.00 0.00 3.00 19.00 100.00 251.50 230.50 19.00 0.00 0.00 0.00 b 623.00
1966 0.00 0.00 0.00 0.00 55.50 86.50 174.00 211.50 81.00 0.50 0.00 0.00 a 609.00
1967 0.00 0.00 0.00 0.00 30.50 169.50 285.00 326.00 147.00 0.00 0.00 0.00 958.00
1968 0.00 0.00 0.00 5.50 22.00 132.00 287.50 122.50 48.00 0.00 0.00 0.00 617.50
1969 0.00 0.00 0.00 0.50 52.00 231.00 167.50 114.00 49.50 0.00 0.00 0.00 614.50
1970 0.00 0.00 0.00 0.00 19.00 202.50 276.00 179.50 6.50 0.50 0.00 0.00 684.00
1971 0.00 0.00 0.00 0.00 38.50 36.50 285.00 317.00 11.00 1.00 0.00 0.00 689.00
1972 0.00 0.00 0.00 0.00 53.00 116.50 219.50 254.00 33.50 0.00 0.00 0.00 676.50
1973 0.00 0.00 0.00 0.00 51.50 123.00 261.00 176.50 48.00 0.00 0.00 0.00 660.00
1974 0.00 0.00 0.00 0.00 8.50 171.50 189.00 211.00 52.00 0.00 0.00 0.00 632.00
1975 0.00 0.00 0.00 0.00 14.50 69.00 320.00 123.00 43.50 0.00 0.00 0.00 570.00
1976 0.00 0.00 0.00 0.00 17.00 58.50 188.00 128.50 67.00 6.00 0.00 0.00 465.00
1977 0.00 0.00 0.00 14.50 4.50 178.00 199.50 336.00 17.00 0.00 0.00 0.00 749.50
1978 0.00 0.00 0.00 0.00 7.50 126.00 236.00 189.00 22.50 0.00 0.00 0.00 581.00
1979 0.00 0.00 0.00 0.00 41.00 132.00 268.50 211.50 68.00 2.50 0.00 0.00 723.50
1980 0.00 0.00 0.00 8.50 15.50 41.50 230.50 134.00 56.00 2.00 0.00 0.00 488.00
1981 0.00 0.00 0.00 5.50 18.50 49.00 185.50 291.50 84.00 0.00 0.00 0.00 a 634.00
1982 0.00 0.00 0.00 0.00 21.00 190.50 219.00 196.50 45.50 0.00 0.00 0.00 672.50
1983 0.00 0.00 0.00 0.00 102.00 70.50 157.00 229.00 21.00 0.00 0.00 0.00 579.50
1984 0.00 0.00 0.00 0.00 17.00 81.00 266.00 229.50 34.50 0.00 0.00 0.00 628.00
1985 0.00 0.00 0.00 3.50 71.00 123.00 401.00 146.00 14.00 0.00 0.00 0.00 758.50
1986 0.00 0.00 0.00 6.50 101.50 241.50 142.50 302.50 39.00 0.00 0.00 0.00 a 833.50
1987 0.00 0.00 0.00 18.50 63.50 153.50 205.00 213.00 118.00 5.00 0.00 0.00 776.50
1988 0.00 0.00 0.00 1.00 45.50 139.50 284.00 258.00 68.50 25.50 0.00 0.00 822.00
1989 0.00 0.00 0.00 6.50 26.50 187.50 207.00 177.50 48.00 0.00 0.00 0.00 653.00
1990 0.00 0.00 0.00 5.00 8.00 132.00 366.00 255.00 118.00 0.00 0.00 0.00 884.00
1991 0.00 0.00 i 0.00 z 0.00 z 0.00 47.50 289.00 308.00 69.50 3.50 0.00 0.00 717.50
1992 0.00 0.00 0.00 14.00 88.50 250.50 255.50 269.00 34.50 7.50 0.00 0.00 919.50
1993 0.00 0.00 0.00 0.00 113.50 96.00 93.50 177.00 83.00 2.50 0.00 0.00 565.50
1994 0.00 0.00 0.00 14.50 55.00 108.50 360.50 233.50 92.50 0.50 0.00 0.00 865.00
1995 0.00 0.00 0.00 0.00 44.50 104.00 264.50 127.50 110.00 0.00 0.00 0.00 650.50
1996 0.00 0.00 0.00 3.50 3.00 69.50 329.00 200.50 25.50 0.00 0.00 0.00 z 631.00
1997 0.00 z 0.00 z 0.00 0.00 80.50 75.00 231.50 295.00 69.00 1.00 0.00 0.00 752.00
1998 0.00 0.00 0.00 4.50 41.00 113.50 434.00 282.50 144.00 1.50 0.00 z 0.00 z 1021.00
1999 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 138.00 243.00 250.00 0.00 z 0.00 a 0.00 a 0.00 631.00
2000 0.00 0.00 0.00 3.00 34.00 159.00 287.00 241.50 75.00 1.50 0.00 0.00 801.00
2001 0.00 0.00 0.00 5.50 88.00 101.50 295.00 315.00 113.50 0.00 0.00 0.00 918.50
2002 0.00 0.00 0.00 0.00 21.50 182.00 370.50 224.50 79.00 0.00 0.00 0.00 877.50
2003 0.00 0.00 0.50 0.00 54.00 190.50 356.00 275.50 126.00 16.00 0.00 z 0.00 1018.50
2004 0.00 0.00 0.00 0.00 21.50 166.00 341.00 303.00 41.50 1.00 0.00 0.00 874.00
2005 0.00 0.00 0.00 3.50 66.50 66.00 269.50 248.00 21.00 0.00 0.00 z 0.00 674.50
2006 0.00 0.00 z 0.00 z 0.00 z 69.50 117.50 397.50 0.00 z 0.00 z 0.00 2.50 0.00 587.00
2007 0.00 0.00 0.00 0.00 33.00 126.00 374.50 198.00 71.50 0.00 0.00 0.00 803.00
2008 0.00 0.00 0.00 0.00 a 52.18 a 82.24 a 269.00 211.00 42.00 4.00 0.00 0.00 660.42
2009 0.00 0.00 0.00 1.00 58.50 168.50 0.00 z 276.00 76.50 0.00 0.00 0.00 580.50
2010 0.00 0.00 0.00 0.00 7.00 27.50 172.00 122.00 12.50 0.00 0.00 0.00 341.00
2011 0.00 0.00 0.00 0.00 0.00 19.00 68.00 120.50 49.00 0.00 0.00 0.00 256.50
2012 0.00 0.00 0.00 4.00 7.50 29.00 203.50 161.00 3.50 0.00 0.00 0.00 408.50
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 0.03 2.40 32.33 105.25 237.89 191.49 46.77 1.16 0.03 0.00 604.59
S.D. 0.00 0.00 0.20 4.45 28.94 51.48 71.77 65.75 33.06 3.18 0.25 0.00 150.03
SKEW 0.00 0.00 9.07 2.26 1.30 0.62 0.25 0.28 0.85 5.09 8.93 0.00 0.42
MAX 0.00 0.00 2.00 22.00 145.00 250.50 434.00 336.00 147.00 25.50 2.50 0.00 1043.50
MIN 0.00 0.00 0.00 0.00 0.00 19.00 68.00 67.50 0.00 0.00 0.00 0.00 256.50
NO YRS 115 113 114 113 115 117 116 116 116 119 114 116 105