CENTRALIA, WASHINGTON

Monthly Total Growing Degree Days

(451276)

Base Temperature = 50 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
1893 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 180.50 0.00 z 0.00 z 0.00 z 180.50
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 z 0.00 z 0.00 z 0.00 z 0.00
1895 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
1896 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
1897 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
1898 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
1899 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
1900 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
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 3.58 e 8.50 0.50 36.50 188.50 220.00 382.50 386.50 216.00 111.50 1.00 4.50 1559.58
1903 7.00 0.00 4.50 20.00 163.50 354.50 333.77 a 398.50 230.00 108.50 15.50 0.00 1635.77
1904 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
1905 0.00 27.00 59.50 74.50 175.00 205.00 h 434.50 417.50 305.50 50.50 10.50 0.00 1554.50
1906 3.00 1.04 a 18.00 120.50 134.50 234.00 555.50 429.00 254.50 134.50 26.50 0.00 1911.04
1907 0.00 4.50 3.50 28.50 234.50 286.50 436.00 355.00 248.00 142.50 14.50 1.50 1755.00
1908 0.00 0.00 4.00 59.00 66.50 282.41 a 509.50 419.00 254.50 69.00 65.00 0.00 1728.91
1909 0.00 4.50 1.00 22.50 104.50 301.50 353.00 371.00 291.50 120.00 15.00 0.00 1584.50
1910 1.00 0.00 66.00 87.50 222.50 226.50 404.50 291.50 219.00 109.50 18.00 0.00 1646.00
1911 0.00 0.00 6.50 14.00 94.50 155.50 g 450.50 390.50 194.50 67.50 8.04 b 0.00 1226.04
1912 2.50 1.00 2.50 18.50 216.00 301.50 435.50 391.50 214.50 45.50 1.50 0.00 1630.50
1913 0.00 4.00 3.00 59.00 155.00 316.00 421.00 480.50 241.50 42.00 17.00 9.50 1748.50
1914 12.00 1.50 23.00 71.50 229.50 285.50 444.00 434.50 196.50 187.50 11.00 0.00 1896.50
1915 0.00 0.00 32.00 79.14 a 149.00 268.50 427.00 472.00 219.00 99.50 3.50 0.00 1749.64
1916 0.00 11.50 10.50 39.00 89.38 a 239.50 351.50 379.50 218.50 22.00 4.50 0.00 1365.88
1917 0.00 0.00 0.00 13.00 101.00 222.00 390.00 472.00 272.50 124.50 43.50 31.50 1670.00
1918 13.50 1.00 23.50 54.00 87.00 338.50 429.50 403.50 342.50 91.00 4.50 1.50 1790.00
1919 1.00 0.00 18.00 53.50 97.50 182.50 380.50 414.00 258.50 66.00 8.50 1.50 1481.50
1920 9.50 0.00 4.00 12.00 38.50 225.50 416.00 436.00 219.50 73.00 5.00 0.00 1439.00
1921 0.00 12.50 15.00 36.50 121.50 312.00 342.03 a 409.00 175.00 101.00 24.00 4.50 1553.03
1922 0.00 0.00 0.00 14.00 122.50 361.00 452.50 429.50 308.50 0.00 z 0.00 z 0.00 z 1688.00
1923 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
1924 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 421.08 a 298.50 99.20 a 3.50 5.50 827.78
1925 0.50 1.50 10.50 p 84.50 292.43 a 303.50 499.50 443.50 307.00 79.50 11.00 11.50 2034.43
1926 1.00 9.33 a 77.50 220.50 214.50 390.50 518.50 496.00 d 248.00 153.50 36.96 b 6.00 2372.30
1927 0.00 0.00 2.00 60.50 104.50 375.52 a 516.50 482.57 a 292.50 141.50 9.00 h 2.00 1977.58
1928 9.50 0.00 41.69 b 61.55 a 299.00 341.38 a 522.00 456.00 300.00 125.00 23.00 1.50 2180.62
1929 0.00 c 0.00 4.00 47.50 176.50 290.50 439.00 488.50 324.50 191.00 8.50 1.50 1971.50
1930 0.00 17.50 41.50 122.00 155.00 286.00 393.00 517.00 324.50 83.50 20.50 0.00 1960.50
1931 7.00 0.00 22.50 111.50 282.50 291.00 502.50 448.50 303.00 89.00 15.00 1.00 2073.50
1932 0.00 a 23.00 7.50 74.50 139.50 354.00 347.00 436.00 305.50 154.50 21.50 1.00 1864.00
1933 3.00 0.00 0.00 48.00 85.00 226.00 371.50 451.50 170.00 58.50 12.50 13.00 1439.00
1934 1.00 15.50 80.00 226.00 270.50 326.50 440.00 525.50 313.00 154.00 20.50 1.00 2373.50
1935 14.47 a 2.00 8.00 62.50 182.00 326.00 440.00 460.50 363.00 119.50 1.50 0.50 1979.97
1936 0.00 0.00 11.00 153.00 249.50 348.50 445.00 492.50 276.00 166.50 6.50 3.00 2151.50
1937 0.00 2.50 19.50 13.50 206.50 361.50 477.00 410.00 326.00 178.50 33.00 0.50 2028.50
1938 0.00 37.00 7.00 98.00 216.00 365.00 523.00 394.50 421.00 129.50 3.00 5.00 2199.00
1939 3.50 0.00 39.00 113.00 203.00 274.00 478.50 501.50 313.00 144.50 28.00 24.00 2122.00
1940 11.50 2.00 35.50 103.50 286.00 396.50 479.50 505.50 388.50 196.00 3.00 4.50 2412.00
1941 5.00 7.00 84.50 116.00 215.50 315.00 599.50 475.00 254.50 114.50 32.00 4.50 2223.00
1942 0.00 0.00 20.50 85.00 188.00 273.00 525.00 546.00 350.00 163.00 0.50 3.50 2154.50
1943 3.00 3.11 a 3.50 108.50 139.50 296.00 532.54 c 418.00 402.50 161.50 10.00 1.00 2079.15
1944 3.00 0.00 15.00 71.50 172.50 310.00 483.00 443.00 398.00 209.00 8.00 5.00 2118.00
1945 5.50 3.00 1.50 34.00 218.50 265.00 484.00 460.00 274.50 157.50 16.50 6.00 1926.00
1946 2.00 2.50 8.50 84.00 316.00 304.50 498.50 489.00 335.50 71.00 2.00 11.50 2125.00
1947 4.00 18.50 64.00 131.00 311.00 322.50 486.50 454.00 361.50 161.00 17.00 3.50 2334.50
1948 0.00 5.00 10.50 39.50 189.21 b 460.86 a 457.50 432.00 322.00 109.50 3.00 0.00 2029.07
1949 0.00 3.00 9.50 94.00 298.50 304.00 422.00 435.00 355.00 37.00 87.00 0.00 z 2045.00
1950 0.00 1.00 3.21 b 27.00 123.50 353.50 460.00 498.50 319.50 80.00 27.50 21.50 1915.21
1951 2.00 12.00 0.00 102.50 198.00 391.00 476.00 456.00 368.00 136.00 4.00 0.00 2145.50
1952 3.00 2.50 8.50 85.00 215.50 294.11 b 499.00 464.00 365.50 194.50 9.50 9.00 2150.11
1953 4.50 2.50 14.50 55.86 a 154.50 222.00 420.00 440.00 294.00 112.00 14.00 0.00 1733.86
1954 0.00 0.00 0.00 11.50 166.00 177.00 314.00 275.50 221.50 48.00 23.50 0.00 1237.00
1955 0.00 0.00 1.03 a 10.50 100.50 294.50 344.50 372.00 242.00 85.00 8.50 2.00 1460.53
1956 0.00 0.00 6.00 105.50 274.50 245.50 501.00 462.00 288.00 71.00 5.50 1.00 1960.00
1957 0.00 0.00 3.00 85.00 299.50 360.50 408.50 386.00 419.00 100.00 3.50 3.00 2068.00
1958 3.00 21.50 6.50 53.00 321.00 469.00 613.50 530.50 303.00 135.50 19.00 16.00 2491.50
1959 0.00 2.00 1.00 45.00 125.50 288.50 478.00 376.00 230.00 94.50 12.50 0.00 1653.00
1960 0.00 0.00 22.50 54.50 106.50 263.50 483.50 370.50 260.50 111.00 1.50 2.00 1676.00
1961 6.00 6.00 10.50 32.00 158.00 404.50 506.50 546.50 237.50 89.50 0.00 1.00 1998.00
1962 0.00 i 5.50 2.00 76.50 63.50 274.50 402.50 379.00 303.00 88.87 a 26.50 0.50 1622.37
1963 0.00 11.50 9.50 36.00 184.50 251.00 374.50 433.00 406.00 160.00 6.50 6.50 1879.00
1964 0.00 0.00 8.00 7.50 130.00 247.00 408.00 385.00 266.00 116.50 8.00 2.00 1578.00
1965 0.00 7.50 5.00 77.50 127.50 289.50 512.50 504.50 213.00 181.00 31.00 3.00 1952.00
1966 0.00 0.50 27.50 61.00 176.50 288.50 413.00 434.00 366.00 89.50 13.50 3.50 1873.50
1967 3.50 0.00 0.00 5.50 167.50 429.50 466.50 615.50 412.00 136.50 17.50 1.00 2255.00
1968 10.50 29.50 17.50 44.50 184.00 302.00 511.00 394.00 297.50 67.50 10.00 0.00 1868.00
1969 0.00 0.00 26.50 36.00 265.00 441.00 434.50 385.00 318.50 66.00 23.00 0.00 1995.50
1970 4.50 3.00 8.00 11.00 161.00 388.50 459.50 448.50 216.50 75.00 19.00 1.00 1795.50
1971 7.00 6.00 5.00 45.50 199.00 210.00 479.50 552.50 236.50 127.50 6.50 0.00 1875.00
1972 0.00 8.00 40.00 25.50 255.00 299.00 488.00 514.00 240.50 73.00 11.50 7.50 1962.00
1973 6.00 3.00 3.50 56.50 224.00 310.00 495.00 352.00 349.00 62.00 8.00 0.50 1869.50
1974 4.00 0.00 11.88 a 35.50 103.50 344.50 428.00 499.00 426.00 102.00 15.50 3.50 1973.38
1975 1.50 3.00 4.50 5.50 175.50 278.00 486.38 b 377.50 340.71 b 82.00 15.50 7.50 1777.59
1976 3.50 0.00 10.00 46.00 198.50 253.50 417.50 381.00 356.50 98.00 16.50 1.50 1782.50
1977 0.50 5.70 a 0.00 110.00 91.50 358.50 409.50 584.50 256.00 56.00 3.00 7.00 1882.20
1978 0.00 6.00 46.50 61.00 134.00 419.50 507.00 450.50 277.00 144.00 0.00 z 0.00 2045.50
1979 0.00 0.00 24.00 73.50 233.00 317.50 507.50 449.50 391.50 147.00 3.00 4.43 c 2150.93
1980 0.00 8.50 4.00 106.50 162.50 242.00 463.50 410.00 315.00 136.00 40.00 22.50 1910.50
1981 0.00 5.50 20.00 73.00 179.00 279.50 428.00 589.50 348.50 41.50 25.00 1.00 1990.50
1982 0.50 7.50 4.00 31.50 189.00 420.00 425.50 494.00 350.50 118.00 1.50 0.00 z 2042.00
1983 4.50 12.00 0.00 z 78.00 275.00 308.50 446.50 512.50 242.50 80.50 24.00 0.00 1984.00
1984 16.00 1.00 22.50 29.00 128.00 293.00 496.00 471.00 309.00 101.50 7.50 0.00 1874.50
1985 0.00 0.00 3.00 96.50 217.00 358.00 609.50 497.00 254.50 86.50 17.50 0.00 2139.50
1986 0.50 34.50 51.00 36.00 212.50 431.50 396.00 612.50 272.00 164.50 5.00 0.00 2216.00
1987 0.00 9.50 29.00 135.50 270.00 431.00 468.50 540.50 400.00 184.50 44.50 0.00 2513.00
1988 0.00 9.00 5.50 87.00 202.00 300.00 490.50 482.00 327.50 216.50 16.00 3.00 2139.00
1989 2.00 0.00 2.50 144.50 200.00 393.10 a 428.50 463.50 379.00 122.00 24.00 8.50 2167.60
1990 0.00 3.50 17.00 103.00 173.50 336.00 570.00 555.00 413.00 55.50 26.00 0.00 2252.50
1991 5.50 22.50 2.50 50.50 129.50 263.00 518.50 537.00 398.50 146.50 20.50 1.00 2095.50
1992 13.00 32.00 32.50 146.00 314.00 447.50 527.50 531.50 303.50 137.50 8.00 0.00 2493.00
1993 2.50 1.50 14.00 54.00 331.00 324.50 388.50 501.50 363.50 156.50 1.50 5.00 2144.00
1994 2.50 4.00 59.50 100.00 238.00 289.00 537.50 498.00 425.00 69.50 0.00 6.00 2229.00
1995 12.00 21.00 24.50 63.00 286.00 358.00 528.00 410.50 441.50 0.00 z 70.00 10.00 2224.50
1996 1.00 10.50 30.00 105.00 131.00 317.00 559.50 526.00 276.00 128.00 16.50 4.00 2104.50
1997 0.00 z 3.50 17.50 56.00 322.00 335.50 506.50 600.00 415.50 117.00 38.50 0.50 2412.50
1998 2.50 8.00 51.00 91.50 219.50 393.00 630.00 559.50 446.00 135.00 36.00 11.00 2583.00
1999 0.00 2.00 17.00 79.00 172.50 364.00 516.50 566.50 381.00 134.00 53.50 0.00 2286.00
2000 0.00 4.00 5.50 129.00 221.50 390.00 501.00 477.00 362.00 118.50 11.50 0.00 2220.00
2001 0.00 0.00 24.00 67.00 235.00 275.50 433.00 510.00 349.50 84.50 31.00 0.00 2009.50
2002 17.00 8.50 0.50 40.00 156.00 382.50 501.50 505.50 335.00 126.00 13.50 1.50 2087.50
2003 23.00 2.00 39.50 54.50 219.00 424.00 553.00 527.00 411.50 212.50 3.50 0.00 2469.50
2004 1.50 0.00 z 41.50 g 158.00 271.00 415.34 a 598.00 567.50 312.00 176.00 11.50 3.50 2514.34
2005 32.00 0.00 z 61.50 121.50 300.00 327.00 517.50 544.00 281.50 164.50 0.50 9.00 2359.00
2006 0.00 0.00 16.00 77.50 209.50 396.00 554.50 487.00 371.00 112.00 26.00 0.00 2249.50
2007 0.00 5.50 52.18 a 66.50 186.00 303.50 526.50 466.50 285.00 85.00 11.50 6.50 1994.68
2008 0.00 4.50 1.50 34.50 237.00 260.50 496.50 527.00 346.50 126.00 56.50 6.00 2096.50
2009 3.50 3.00 5.00 79.50 0.00 z 422.50 601.50 507.50 400.00 99.50 3.50 0.00 2125.50
2010 8.00 9.00 37.00 69.50 131.50 293.50 472.00 498.00 346.00 107.00 33.00 4.00 2008.50
2011 3.00 0.00 3.00 0.00 45.50 237.00 410.00 467.50 402.00 101.00 0.00 1.00 1670.00
2012 0.00 0.00 0.50 87.00 0.00 191.00 404.00 475.50 315.00 100.50 24.50 0.00 1598.00
2013 0.00 0.00 22.50 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 22.50
Period of Record Statistics
MEAN 3.12 5.60 18.03 68.60 187.69 318.24 467.03 463.28 310.80 114.83 16.85 3.58 1965.19
S.D. 5.25 8.03 19.85 42.58 71.04 65.52 65.39 65.68 67.34 42.70 15.64 5.50 279.86
SKEW 2.72 2.08 1.49 0.97 -0.01 0.22 0.09 -0.05 0.01 0.25 1.82 2.64 -0.18
MAX 32.00 37.00 84.50 226.00 331.00 469.00 630.00 615.50 446.00 216.50 87.00 31.50 2583.00
MIN 0.00 0.00 0.00 0.00 0.00 177.00 314.00 275.50 170.00 22.00 0.00 0.00 1237.00
NO YRS 108 107 106 108 107 106 108 109 110 107 106 106 93