HEADWORKS PTLD WTR BUR, OREGON

Monthly Total Growing Degree Days

(353770)

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
1899 0.00 z 0.00 z 0.00 z 7.50 d 16.00 184.50 455.00 264.50 298.00 31.50 13.00 0.00 1270.00
1900 0.00 0.00 21.00 55.00 136.00 351.50 436.00 277.00 185.00 25.00 1.50 0.52 a 1488.52
1901 0.00 7.78 a 0.50 g 9.50 119.87 a 179.00 333.00 437.50 0.00 z 133.50 4.50 0.00 1224.64
1902 0.00 0.00 11.22 b 0.00 z 0.00 z 282.50 399.50 404.50 204.00 97.50 0.00 0.52 a 1399.74
1903 1.00 0.00 0.00 z 0.00 z 0.00 z 319.50 364.50 390.50 149.00 0.00 z 0.00 z 0.00 1224.50
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 0.00
1905 0.00 z 0.00 z 0.00 z 66.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 66.50
1906 0.00 z 0.00 z 0.00 z 0.00 z 128.50 237.00 643.50 514.50 315.00 115.50 33.00 0.00 1987.00
1907 0.00 1.00 g 3.00 35.50 220.50 290.50 473.00 352.00 292.00 159.00 3.50 0.50 1829.50
1908 0.00 0.00 5.00 63.00 39.50 240.00 544.50 428.00 244.00 70.50 17.50 0.00 1652.00
1909 0.00 0.00 1.00 4.50 83.50 275.50 315.50 347.00 292.00 89.00 9.50 0.00 1417.50
1910 0.00 0.00 49.00 86.00 221.00 236.38 a 475.50 490.00 295.50 154.50 15.50 0.00 2023.38
1911 0.00 0.00 35.00 84.50 131.50 187.50 550.50 384.00 54.50 27.50 0.00 0.00 1455.00
1912 0.00 0.00 0.50 2.50 150.50 344.00 419.00 251.00 302.00 111.94 d 1.00 0.00 1582.44
1913 0.00 0.00 2.50 44.46 b 0.00 z 316.00 430.50 421.50 258.50 61.00 16.00 0.00 1550.46
1914 0.00 0.00 48.50 54.50 186.50 203.50 434.50 488.00 183.00 164.00 15.50 0.00 1778.00
1915 0.00 0.00 54.50 82.24 a 126.00 259.82 b 422.00 530.00 289.00 90.00 2.00 0.00 1855.56
1916 0.00 0.00 3.00 45.00 51.00 249.31 a 335.50 442.78 a 264.50 45.50 0.00 0.00 1436.59
1917 0.00 c 0.00 0.00 2.50 52.50 252.00 502.00 0.00 z 299.00 150.00 10.00 16.50 1284.50
1918 0.50 0.00 13.50 62.00 94.00 430.00 437.00 412.00 394.50 131.00 0.00 0.50 1975.00
1919 0.00 0.00 19.50 43.50 151.00 239.50 508.50 500.50 285.50 46.00 3.50 0.00 1797.50
1920 0.00 0.00 4.50 17.00 101.00 285.50 476.00 508.50 227.50 0.00 z 3.50 2.00 1625.50
1921 0.00 0.50 20.50 81.50 167.50 561.50 385.00 458.50 245.00 159.00 37.50 0.00 a 2116.50
1922 0.00 0.00 4.50 6.50 174.50 372.00 536.50 456.00 337.00 116.00 0.00 0.00 2003.00
1923 0.00 0.00 31.50 93.00 133.50 293.00 482.50 538.50 371.50 141.50 26.00 0.00 2111.00
1924 0.00 2.50 0.00 66.50 276.00 348.00 456.50 417.47 a 324.00 93.50 1.00 0.50 1985.97
1925 0.00 0.00 3.00 106.50 262.50 351.00 525.50 442.50 313.00 152.00 0.00 3.00 2159.00
1926 0.00 5.50 71.00 226.50 153.00 326.00 505.50 500.00 218.50 170.50 48.50 13.00 2238.00
1927 0.00 0.00 0.00 61.00 113.50 352.50 442.50 461.50 181.00 103.00 22.50 0.00 1737.50
1928 0.00 0.00 c 24.50 27.00 252.50 226.50 419.00 403.00 b 285.50 150.00 11.50 0.00 1799.50
1929 0.00 0.00 6.50 34.50 199.00 303.00 495.50 506.85 a 334.00 189.00 5.50 1.00 2074.85
1930 0.00 1.00 84.00 128.00 111.00 296.50 430.00 526.50 337.50 71.50 17.00 0.00 2003.00
1931 0.00 0.00 7.00 107.50 299.00 316.50 482.57 a 484.00 247.00 122.00 21.50 0.00 2087.07
1932 0.00 2.00 5.00 39.50 132.50 380.00 375.50 442.50 363.00 169.50 6.00 0.50 1916.00
1933 0.00 0.00 0.00 42.00 65.50 239.50 462.50 483.50 171.00 144.00 10.00 6.50 1624.50
1934 0.00 8.50 102.50 210.50 242.50 291.50 391.00 508.50 305.00 179.05 b 28.00 1.00 2268.05
1935 0.00 a 0.00 4.50 44.00 155.50 320.00 453.50 445.50 392.50 125.50 0.00 0.00 1941.00
1936 0.00 0.00 0.50 160.00 285.72 a 343.50 444.00 462.00 302.00 204.00 12.00 0.00 2213.72
1937 0.00 0.00 1.00 6.00 172.50 354.50 494.50 413.50 315.00 183.00 5.50 0.00 1945.50
1938 0.00 0.00 3.50 48.50 206.00 332.00 546.50 388.00 405.00 138.50 0.00 a 0.00 2068.00
1939 0.00 0.00 25.00 94.50 216.50 205.00 479.50 490.00 317.50 102.50 7.00 0.00 1937.50
1940 2.07 a 0.00 20.00 69.50 294.00 384.50 455.00 508.50 366.00 182.00 0.50 2.00 2284.07
1941 0.00 1.00 79.00 95.50 198.00 284.00 603.00 448.50 238.50 84.00 32.00 3.50 2067.00
1942 0.00 0.00 16.50 77.00 134.00 223.50 524.00 511.00 365.00 156.50 1.00 0.00 2008.50
1943 0.00 0.00 10.00 103.50 104.50 244.00 487.73 a 394.00 402.00 142.00 0.50 0.00 1888.23
1944 0.00 0.00 3.50 52.50 187.50 274.50 482.00 452.00 375.50 206.50 0.50 0.00 2034.50
1945 0.00 1.00 0.00 33.00 192.00 278.50 501.50 456.50 241.50 123.00 6.00 2.00 1835.00
1946 0.00 2.00 6.50 49.00 219.00 239.50 459.00 438.50 238.50 17.50 0.00 0.00 1669.50
1947 0.00 0.00 41.00 99.00 258.50 228.62 a 394.50 354.00 322.76 a 63.50 1.00 0.00 1762.88
1948 0.00 0.50 6.00 19.00 139.00 377.50 361.00 352.00 241.55 a 49.50 0.00 0.00 1546.05
1949 0.00 a 0.00 0.00 b 50.50 210.50 271.03 a 384.92 a 407.13 a 327.93 a 11.88 a 49.50 0.00 a 1713.40
1950 0.00 0.00 0.00 10.50 94.00 231.50 441.23 a 507.50 296.50 65.50 6.50 0.00 1653.23
1951 0.00 b 0.00 0.00 b 69.00 138.47 a 340.50 437.10 a 397.66 b 328.50 59.42 a 0.00 a 0.00 a 1770.64
1952 0.00 a 0.00 b 1.00 66.72 a 186.50 241.00 501.50 483.50 397.24 a 254.00 1.50 0.00 a 2132.97
1953 0.52 a 0.00 7.23 a 41.00 98.50 165.50 438.50 430.00 343.50 136.00 3.00 0.00 1663.75
1954 0.00 a 0.00 0.00 23.50 183.93 a 170.50 342.07 b 332.22 a 266.00 89.12 c 13.97 a 0.00 a 1421.31
1955 0.00 0.00 0.00 7.24 a 79.57 a 254.50 343.21 c 413.33 a 278.28 a 99.41 b 4.14 a 0.00 a 1479.68
1956 0.00 a 0.00 0.00 64.14 a 215.45 a 204.31 a 477.92 a 397.50 285.50 70.00 0.00 0.00 1714.81
1957 0.00 0.00 1.50 57.50 195.50 274.00 390.50 352.37 a 412.00 68.20 a 0.00 0.00 1751.57
1958 0.00 22.00 5.50 39.00 340.00 419.00 612.50 570.00 335.50 205.50 27.50 4.00 2580.50
1959 0.00 0.00 2.00 39.00 132.50 301.50 509.00 399.00 221.00 112.00 14.00 0.00 1730.00
1960 0.00 0.50 36.50 72.00 116.50 332.00 525.00 373.50 314.50 144.50 3.00 0.00 1918.00
1961 2.50 4.00 8.50 29.50 166.50 442.00 547.00 578.50 237.00 117.50 2.50 0.00 2135.50
1962 0.00 0.00 5.00 92.00 48.00 290.50 428.00 421.50 335.50 129.00 30.00 a 3.50 1783.00
1963 0.00 23.00 11.00 27.00 204.50 243.50 375.50 455.00 454.00 188.00 2.00 1.50 1985.00
1964 0.00 0.00 26.00 5.00 120.50 231.00 432.00 398.50 274.50 207.50 1.50 0.00 1696.50
1965 0.00 1.00 24.00 70.00 105.50 295.00 526.50 507.00 284.00 238.50 42.50 0.52 a 2094.52
1966 0.00 0.50 27.00 55.00 187.00 285.50 416.00 492.00 368.00 137.00 16.00 0.00 1984.00
1967 0.00 0.00 0.00 4.50 180.00 386.50 504.00 669.50 469.00 141.00 40.00 0.00 2394.50
1968 1.00 43.50 33.00 43.00 171.00 295.50 497.50 416.50 332.50 73.00 6.00 0.00 1912.50
1969 0.00 0.00 27.00 30.50 257.50 338.50 387.50 359.00 332.50 96.50 30.00 0.00 1859.00
1970 1.50 14.00 3.00 6.50 168.00 388.00 471.00 496.50 241.00 113.50 28.00 0.00 1931.00
1971 0.00 4.00 0.00 54.00 213.50 198.00 485.00 520.00 242.50 128.50 0.00 0.00 1845.50
1972 0.00 1.00 25.50 23.00 210.50 296.50 491.50 521.00 244.50 104.00 4.50 1.00 1923.00
1973 0.00 3.00 2.00 56.50 228.50 296.00 517.00 389.00 366.00 68.00 0.50 0.00 1926.50
1974 0.00 0.00 9.00 36.50 105.00 319.00 423.50 476.50 460.50 164.50 7.50 0.00 2002.00
1975 0.50 0.00 0.50 5.50 167.00 247.00 460.00 347.00 434.50 102.00 23.00 7.00 1794.00
1976 0.50 1.50 1.00 56.50 197.50 230.50 426.00 390.08 a 367.00 157.00 65.50 1.50 1894.58
1977 1.00 18.00 0.00 110.00 62.50 368.50 434.50 584.00 254.50 134.33 a 4.00 6.50 1977.83
1978 0.00 c 5.50 44.00 29.00 104.50 370.00 472.50 453.00 272.00 228.00 3.00 0.00 1981.50
1979 0.00 0.00 31.50 62.50 205.50 326.50 485.00 442.50 435.50 194.00 18.50 0.00 2201.50
1980 0.00 3.50 9.50 117.50 141.00 219.00 486.50 402.00 366.00 231.00 42.50 19.12 a 2037.62
1981 8.78 a 5.50 17.50 98.50 173.50 271.00 444.00 588.50 381.50 94.50 30.00 0.00 2113.28
1982 0.00 5.50 4.00 36.50 165.50 376.50 428.00 489.00 349.50 164.00 5.50 0.00 2024.00
1983 1.50 6.50 8.00 93.50 280.50 276.50 399.50 475.00 287.50 125.50 17.00 0.00 1971.00
1984 0.00 8.00 30.50 24.00 135.50 260.00 512.50 506.50 345.00 113.50 3.50 0.00 1939.00
1985 0.00 0.00 2.00 101.50 176.50 357.00 614.50 477.50 242.50 105.00 9.00 0.00 a 2085.50
1986 0.00 20.00 78.50 53.00 207.00 415.00 392.00 594.50 256.50 205.50 20.00 0.00 2242.00
1987 0.00 10.00 20.00 148.50 250.50 419.00 454.00 569.50 0.00 z 277.50 35.00 0.00 2184.00
1988 0.00 27.50 12.00 79.00 177.00 310.00 470.00 509.50 399.50 268.00 10.00 0.00 2262.50
1989 0.00 0.00 1.00 156.00 196.50 389.50 431.00 440.00 428.00 130.00 25.00 5.50 2202.50
1990 1.50 1.00 25.00 138.50 142.50 334.50 584.50 581.00 461.50 82.50 17.00 0.00 2369.50
1991 0.50 19.50 12.50 42.00 74.50 231.00 575.00 557.50 478.00 251.50 28.50 0.00 2270.50
1992 2.50 31.00 80.00 153.00 382.50 449.50 576.00 583.50 368.00 178.50 10.50 0.00 2815.00
1993 0.00 1.50 4.00 49.50 312.50 308.50 359.00 520.00 441.50 249.50 1.50 1.00 2248.50
1994 2.50 0.00 62.00 98.00 274.00 289.50 579.50 548.50 477.00 129.50 0.00 0.00 2460.50
1995 4.00 18.50 33.00 56.50 255.50 330.50 563.50 467.50 436.50 125.00 47.50 0.50 2338.50
1996 3.50 17.00 19.00 110.50 131.50 346.50 633.50 604.50 314.50 180.50 7.00 0.00 2368.00
1997 0.00 0.00 18.00 46.50 322.00 0.00 z 509.00 584.50 426.00 84.50 53.00 0.00 2043.50
1998 1.50 5.50 39.00 101.50 137.00 345.00 576.00 579.50 428.00 134.00 10.00 0.00 2357.00
1999 0.00 0.00 9.00 68.00 131.50 269.00 472.00 540.00 416.50 169.00 36.50 0.00 2111.50
2000 0.00 0.00 3.00 108.00 147.00 349.50 469.50 452.50 343.00 129.50 6.50 0.00 2008.50
2001 0.00 0.00 19.00 47.00 242.00 254.00 401.00 492.00 368.00 103.00 23.50 0.00 1949.50
2002 0.00 4.50 0.00 36.00 127.50 341.00 517.00 485.50 364.00 136.50 17.50 0.00 2029.50
2003 5.50 1.00 18.50 22.00 185.50 400.00 545.50 543.00 408.00 197.50 1.00 0.00 2327.50
2004 0.00 0.00 61.00 140.00 191.00 352.00 562.50 519.50 300.00 130.00 3.00 1.00 2260.00
2005 0.50 4.50 47.50 56.50 238.50 250.00 504.50 522.00 275.50 144.00 0.00 0.50 2044.00
2006 0.00 0.00 7.00 56.00 226.50 375.00 538.00 475.00 366.50 94.00 22.00 0.00 2160.00
2007 0.00 2.00 33.50 68.00 125.50 f 212.00 g 386.50 h 454.00 270.50 44.50 2.50 0.00 m 875.00
2008 0.00 0.50 2.50 26.00 156.50 219.00 469.65 a 488.50 329.50 77.00 20.50 0.50 1790.15
2009 0.00 0.00 0.00 46.50 168.50 306.00 573.00 473.00 369.50 66.00 4.00 0.00 2006.50
2010 0.00 0.50 19.00 33.50 73.50 187.00 405.50 433.50 312.50 127.50 38.50 1.00 1632.00
2011 0.00 0.00 0.00 6.50 36.50 202.50 354.50 446.00 405.50 109.50 1.07 b 0.00 1562.07
2012 0.00 0.00 0.50 58.00 142.50 197.00 407.00 503.50 367.76 a 134.00 23.50 0.00 1833.76
2013 0.00 0.00 30.48 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 30.48
Period of Record Statistics
MEAN 0.39 3.34 17.49 61.45 170.84 298.13 468.67 463.73 321.67 129.74 13.25 0.97 1964.59
S.D. 1.19 7.38 21.90 43.08 70.24 70.50 69.93 74.71 78.09 56.33 14.60 2.91 263.62
SKEW 4.55 3.01 1.72 1.19 0.33 0.52 0.18 -0.19 -0.25 0.34 1.25 4.45 0.16
MAX 8.78 43.50 102.50 226.50 382.50 561.50 643.50 669.50 478.00 277.50 65.50 19.12 2815.00
MIN 0.00 0.00 0.00 2.50 16.00 165.50 315.50 251.00 54.50 11.88 0.00 0.00 1417.50
NO YRS 111 110 109 110 108 110 111 111 110 110 111 112 100