CORVALLIS STATE UNIV, OREGON

Monthly Total Growing Degree Days

(351862)

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
1889 0.00 z 0.00 z 0.00 z 111.00 191.00 526.00 662.00 0.00 z 0.00 z 0.00 z 17.00 0.00 1507.00
1890 0.00 0.00 1.50 83.00 270.00 304.50 396.00 461.50 313.50 46.50 4.50 0.00 1881.00
1891 0.00 0.00 1.00 35.00 196.50 217.50 465.50 538.00 248.00 149.50 30.00 4.50 1885.50
1892 0.00 0.58 d 15.00 5.50 168.00 270.00 383.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 842.58
1893 0.00 0.00 7.50 4.50 106.00 188.00 381.00 428.00 190.50 9.50 12.50 2.00 1329.50
1894 1.50 0.00 15.50 37.50 158.50 235.50 458.50 535.50 268.00 72.00 12.50 0.00 1795.00
1895 12.00 3.00 8.00 67.00 137.00 311.00 0.00 z 452.50 171.50 135.00 1.50 5.00 1303.50
1896 2.00 17.00 13.50 6.50 97.50 277.00 550.00 482.00 272.00 103.50 5.50 3.00 1829.50
1897 1.50 0.00 2.00 130.50 316.20 a 318.62 a 400.00 579.50 260.00 112.00 31.00 5.50 2156.82
1898 0.00 18.00 7.00 90.52 a 154.50 0.00 z 451.00 519.50 349.00 57.50 3.50 0.00 1650.52
1899 6.00 2.00 0.50 32.00 95.50 254.00 461.50 350.50 368.50 80.50 52.50 2.00 1705.50
1900 5.50 0.50 90.00 96.00 172.50 348.00 454.50 351.00 260.50 98.74 d 37.00 2.00 1916.24
1901 1.50 22.00 7.00 53.00 196.50 221.00 377.50 538.00 230.00 233.00 13.50 2.00 1895.00
1902 5.00 23.00 4.00 28.50 174.00 319.50 422.50 494.00 306.50 129.00 11.50 0.50 1918.00
1903 1.00 0.00 17.50 28.50 179.50 345.00 372.50 432.50 310.00 97.50 9.50 3.00 1796.50
1904 3.00 0.00 6.50 127.00 198.00 339.00 468.50 506.00 353.00 133.00 19.50 0.00 2153.50
1905 3.50 24.50 74.00 107.00 156.50 304.00 570.00 465.00 342.50 83.00 2.00 0.50 2132.50
1906 6.50 0.50 27.00 146.00 163.50 235.00 629.00 530.50 331.50 151.00 60.50 8.50 2289.50
1907 0.00 19.50 10.00 88.50 220.50 335.00 478.20 d 448.50 328.00 193.00 13.00 8.00 2142.20
1908 0.00 0.00 20.50 71.00 51.50 256.00 605.00 452.00 285.50 108.50 45.00 0.00 1895.00
1909 0.00 6.50 4.00 29.50 88.00 316.00 370.50 400.50 344.00 129.00 19.50 0.00 z 1707.50
1910 0.50 s 0.00 33.00 82.24 a 233.00 247.00 487.00 394.50 271.50 120.00 12.00 0.00 1880.24
1911 0.00 0.00 24.00 34.00 76.50 195.50 597.00 537.00 124.00 67.50 13.50 0.00 1669.00
1912 0.00 2.50 2.50 12.50 g 214.50 334.50 469.50 333.00 332.59 a 47.02 a 6.00 h 0.00 d 1736.10
1913 0.00 0.00 3.50 54.00 150.00 301.00 461.00 504.50 283.50 104.92 e 15.00 0.00 1877.42
1914 13.50 8.30 a 68.95 b 97.00 235.60 a 243.00 529.00 330.50 i 268.45 a 174.50 33.00 0.00 1671.29
1915 0.00 0.52 a 68.50 148.00 155.50 452.50 480.00 553.50 291.50 102.50 0.00 z 9.50 2262.02
1916 0.00 26.00 27.50 61.00 84.00 284.50 390.00 549.00 291.00 26.00 4.66 a 0.00 1743.66
1917 0.00 1.00 0.00 24.50 147.00 296.25 b 593.00 597.50 345.00 163.50 f 14.42 d 54.50 2073.17
1918 10.00 4.50 28.00 79.00 134.00 471.00 364.50 h 511.50 d 507.00 183.00 4.50 5.00 1937.50
1919 10.00 0.00 13.50 56.50 152.50 304.00 529.50 520.00 324.50 91.00 13.00 0.00 2014.50
1920 11.00 0.00 1.00 22.50 73.50 273.00 448.00 529.50 261.50 57.00 11.00 2.00 1690.00
1921 0.00 14.00 19.00 49.00 148.00 343.50 412.50 451.00 238.50 163.00 25.00 9.00 1872.50
1922 0.00 0.00 2.00 18.50 207.50 382.50 491.50 443.00 349.50 103.00 0.50 4.00 2002.00
1923 0.50 0.00 21.50 56.00 161.00 296.50 489.50 573.50 367.50 147.50 17.00 0.00 2130.50
1924 8.00 15.50 1.00 80.00 270.00 352.50 339.50 f 449.00 305.50 105.50 6.50 4.50 1598.00
1925 6.50 7.00 10.00 95.50 259.50 345.00 538.50 446.50 318.50 98.00 0.00 11.50 2136.50
1926 0.00 15.00 66.00 222.00 205.50 424.00 515.00 477.00 277.50 160.00 19.00 4.50 2385.50
1927 0.00 0.00 4.50 58.50 124.00 337.20 e 490.00 491.00 312.00 129.00 45.00 4.00 1995.20
1928 0.50 1.00 56.50 57.50 300.00 344.00 552.00 518.00 342.00 130.50 17.50 2.50 2322.00
1929 0.00 0.00 26.50 38.00 217.00 344.50 515.00 563.00 413.50 242.00 13.00 4.00 2376.50
1930 0.00 26.50 76.00 165.00 150.00 337.50 501.50 571.50 374.00 112.00 16.00 0.00 2330.00
1931 12.50 2.00 28.50 167.00 351.00 361.00 599.00 562.00 347.50 159.00 29.50 1.50 2620.50
1932 0.00 30.50 13.50 80.50 189.50 443.50 432.50 544.00 421.00 221.00 38.00 1.50 2415.50
1933 3.00 0.00 6.00 99.00 91.50 324.50 533.50 567.00 258.50 130.50 15.50 21.50 2050.50
1934 10.00 18.50 123.00 189.50 256.50 342.50 463.50 520.50 334.50 199.00 33.00 0.50 2491.00
1935 3.50 0.00 2.50 70.50 186.50 400.00 502.50 568.50 494.50 145.50 3.50 0.00 2377.50
1936 2.00 3.00 20.50 184.00 315.50 424.50 538.50 561.50 394.00 255.50 8.50 4.00 2711.50
1937 0.00 0.00 36.50 20.00 248.00 418.50 560.50 501.50 416.00 265.50 34.00 20.00 2520.50
1938 0.00 7.50 19.00 118.00 283.00 426.50 631.00 479.00 490.50 169.50 3.50 16.50 2644.00
1939 2.50 0.00 81.50 165.00 274.00 327.00 569.00 597.00 431.50 185.50 31.00 21.50 2685.50
1940 6.50 7.50 70.00 124.00 347.00 476.00 531.00 593.50 439.50 260.50 11.00 21.00 2887.50
1941 0.50 3.00 100.00 134.50 231.50 363.00 665.50 531.00 317.00 132.00 62.50 13.50 2554.00
1942 0.00 0.00 22.50 137.50 215.00 336.50 593.00 587.50 421.00 202.00 14.50 6.50 2536.00
1943 0.00 7.50 29.00 148.00 176.00 307.00 524.50 466.00 481.00 181.50 11.00 2.50 2334.00
1944 0.50 2.50 34.50 67.00 198.50 329.00 520.50 525.00 467.00 263.00 14.00 0.00 2421.50
1945 6.50 1.00 6.50 70.00 250.50 369.00 563.00 520.00 336.00 173.50 17.50 3.50 2317.00
1946 0.00 5.00 12.00 87.00 278.50 275.00 507.50 528.50 308.50 61.00 1.50 3.00 2067.50
1947 1.50 9.50 76.50 133.50 319.00 306.00 438.50 467.00 415.50 142.00 21.00 2.50 2332.50
1948 0.00 3.50 13.00 30.00 176.50 454.50 469.00 446.50 345.50 104.50 0.00 0.00 2043.00
1949 0.00 5.00 17.00 135.50 292.00 390.00 469.50 481.50 402.00 65.50 62.50 1.00 2321.50
1950 0.00 9.50 14.00 59.00 192.00 363.00 547.50 588.00 403.00 137.00 43.50 21.50 2378.00
1951 3.50 20.50 2.00 118.50 220.50 430.00 494.50 525.00 407.00 149.00 9.50 0.00 2380.00
1952 3.50 6.00 17.00 122.00 221.28 b 248.00 521.50 460.00 407.50 223.00 0.00 0.00 2229.78
1953 10.50 3.50 11.00 58.00 121.50 197.00 450.50 462.00 396.50 108.50 23.00 0.50 1842.50
1954 0.00 2.00 4.50 50.00 195.00 213.50 395.50 404.50 279.00 91.50 21.50 0.00 1657.00
1955 0.00 0.00 0.00 11.50 102.00 286.50 346.00 431.00 295.00 105.50 27.00 5.00 1609.50
1956 0.00 0.00 6.00 77.50 254.50 228.50 521.00 470.50 354.00 97.50 0.00 4.50 2014.00
1957 0.00 6.50 9.50 71.50 232.50 336.00 421.50 400.50 430.50 101.50 2.50 0.50 2013.00
1958 0.00 16.00 4.50 50.50 313.50 409.00 627.50 611.50 360.00 162.50 34.50 17.00 2606.50
1959 0.00 0.00 4.50 60.00 121.00 307.00 544.00 471.00 267.50 141.50 11.50 0.00 1928.00
1960 0.00 0.00 21.50 59.00 103.00 346.00 532.50 421.00 339.00 133.50 7.50 0.00 1963.00
1961 6.50 11.00 13.00 63.00 138.00 402.50 506.50 579.00 260.50 119.50 0.00 0.00 2099.50
1962 2.00 2.00 0.00 89.50 64.00 276.50 452.00 438.00 368.50 88.00 13.50 0.00 1794.00
1963 0.00 16.50 6.00 32.50 184.00 276.00 373.00 470.50 427.50 149.00 4.50 0.00 1939.50
1964 0.00 0.00 11.00 16.00 106.50 247.50 451.50 427.00 257.50 138.00 10.00 9.00 1674.00
1965 3.00 0.50 24.50 94.00 121.50 277.00 513.00 512.00 314.50 160.00 27.50 3.00 2050.50
1966 0.00 0.00 14.50 71.00 190.50 335.50 456.50 500.50 386.50 138.00 12.50 8.00 2113.50
1967 3.00 0.50 6.00 4.00 176.50 402.00 531.00 648.00 464.00 101.00 19.00 3.50 2358.50
1968 10.00 42.94 c 23.50 40.00 138.00 313.00 496.00 435.00 311.00 53.50 9.00 0.50 1872.44
1969 4.00 0.00 25.00 32.50 262.00 421.50 443.50 415.50 356.00 56.50 19.00 3.00 2038.50
1970 13.50 0.50 6.50 13.50 163.00 415.00 499.50 475.00 260.00 100.00 17.50 4.00 1968.00
1971 7.50 1.50 1.00 30.00 162.50 210.50 489.00 543.50 271.50 106.50 0.00 0.00 1823.50
1972 1.50 0.00 64.50 22.00 210.00 347.00 570.50 580.50 294.00 136.00 18.00 10.50 2254.50
1973 0.00 13.50 0.00 64.50 219.00 345.00 526.00 426.00 376.00 88.50 10.50 0.00 2069.00
1974 7.00 0.00 24.00 25.50 120.00 345.00 449.00 526.00 478.00 98.50 15.00 3.00 2091.00
1975 10.50 0.00 6.50 4.00 152.50 275.00 480.00 408.50 408.00 97.00 20.50 10.50 1873.00
1976 1.00 0.00 9.50 28.00 149.50 225.50 457.50 438.00 388.00 134.50 38.00 0.00 1869.50
1977 0.00 3.50 0.00 75.00 71.00 332.00 432.50 607.50 279.00 120.00 10.50 15.00 1946.00
1978 0.00 8.50 70.00 47.50 141.00 389.00 517.00 513.00 292.50 156.50 5.50 0.00 2140.50
1979 0.00 0.00 34.00 66.00 184.00 332.00 511.00 459.50 396.50 215.50 13.50 10.50 2222.50
1980 1.00 9.00 8.00 84.00 130.00 241.50 512.00 413.00 355.50 152.00 42.00 30.50 1978.50
1981 0.00 15.00 4.00 73.50 155.00 277.50 479.00 568.50 366.50 69.00 16.50 1.00 2025.50
1982 0.00 18.00 5.00 33.50 174.50 381.00 452.50 502.50 349.50 121.00 2.00 1.00 2040.50
1983 3.00 5.00 16.50 81.00 231.50 282.50 403.50 513.00 312.00 82.00 27.00 0.00 1957.00
1984 13.00 2.00 30.50 13.00 120.50 245.00 498.50 474.00 331.00 95.00 7.00 0.00 1829.50
1985 0.00 2.00 0.00 99.00 183.50 340.00 611.00 479.00 262.00 105.00 21.00 0.00 2102.50
1986 3.50 25.50 60.50 52.00 183.00 429.50 408.50 611.50 280.00 161.50 9.50 0.00 2225.00
1987 0.00 0.00 18.00 127.50 255.00 404.50 467.50 553.50 384.00 230.50 33.50 3.00 2477.00
1988 0.00 3.00 14.50 96.00 153.00 304.00 530.50 504.00 371.50 238.50 22.00 0.00 2237.00
1989 0.00 0.00 9.00 159.00 173.00 399.50 437.00 453.00 428.50 113.50 15.00 6.50 2194.00
1990 6.00 8.00 32.50 102.00 141.50 333.50 583.00 559.00 450.50 71.50 18.00 0.00 2305.50
1991 2.50 25.50 11.00 39.50 90.00 223.50 534.00 542.00 475.50 195.00 32.00 0.00 2170.50
1992 12.00 28.00 40.00 141.00 322.50 460.50 560.50 557.00 355.50 165.50 18.00 0.00 2660.50
1993 0.00 0.00 33.00 42.50 273.50 309.00 390.50 533.00 374.00 186.00 0.00 5.00 2146.50
1994 7.00 0.50 49.00 77.50 225.00 282.50 556.50 497.00 436.50 101.50 0.00 11.00 2244.00
1995 14.00 25.50 27.00 39.50 234.00 343.50 574.50 459.00 453.50 115.00 69.00 5.50 2360.00
1996 6.00 15.50 27.00 95.50 128.00 307.00 612.50 556.00 306.50 141.50 2.00 0.00 2197.50
1997 7.00 0.00 29.00 53.00 315.50 302.00 506.00 597.00 408.50 86.50 29.50 0.00 2334.00
1998 1.50 0.50 40.50 65.50 147.50 323.50 588.50 565.00 451.00 121.00 16.00 9.50 2330.00
1999 0.00 0.00 4.00 69.50 119.00 272.00 443.00 536.00 387.00 126.00 53.00 1.50 2011.00
2000 0.00 0.00 3.00 91.50 196.00 376.00 468.00 476.00 369.00 117.00 5.50 0.00 2102.00
2001 0.50 0.00 24.00 39.50 214.50 249.50 467.00 511.00 385.00 113.50 38.50 0.00 2043.00
2002 7.00 9.00 1.50 60.00 149.00 326.50 555.00 509.00 388.00 123.50 9.50 1.00 2139.00
2003 14.00 0.50 45.50 44.50 187.50 407.00 585.00 542.50 434.00 214.00 2.00 0.00 2476.50
2004 0.00 z 0.00 0.00 z 0.00 z 222.00 382.00 585.00 594.00 329.00 158.00 4.00 7.00 2281.00
2005 9.50 0.00 34.50 72.50 232.00 268.50 567.50 568.50 308.50 155.00 7.00 3.00 2226.50
2006 0.00 0.00 6.50 69.00 233.00 415.50 599.50 503.00 368.00 106.50 43.00 0.50 2344.50
2007 2.00 8.50 48.50 57.50 178.50 310.50 580.00 507.00 331.50 65.00 11.50 7.50 2108.00
2008 0.00 0.00 1.50 30.50 210.00 251.50 526.00 530.00 349.00 96.50 48.50 0.00 2043.50
2009 0.50 0.00 2.50 51.00 188.00 382.00 602.00 511.00 404.50 91.00 6.00 6.00 2244.50
2010 0.50 1.50 7.00 44.00 117.50 267.50 515.00 489.00 365.00 129.50 37.00 7.00 1980.50
2011 13.00 0.00 14.00 13.97 a 98.00 291.50 0.00 z 555.50 457.50 136.50 5.00 0.52 a 1585.48
2012 2.50 2.00 1.00 102.00 164.00 284.00 483.50 547.00 378.50 165.50 46.00 0.00 2176.00
2013 0.50 0.00 17.50 i 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 0.50
Period of Record Statistics
MEAN 3.05 5.92 21.97 72.24 185.85 326.10 501.65 504.05 349.08 131.06 18.47 4.41 2128.43
S.D. 4.17 8.73 24.18 44.79 65.54 68.28 69.27 61.24 71.21 51.70 15.57 7.38 271.49
SKEW 1.28 1.69 1.72 0.81 0.36 0.30 0.03 -0.29 -0.13 0.57 1.13 3.50 0.15
MAX 14.00 42.94 123.00 222.00 351.00 526.00 665.50 648.00 507.00 265.50 69.00 54.50 2887.50
MIN 0.00 0.00 0.00 4.00 51.50 188.00 346.00 333.00 124.00 9.50 0.00 0.00 1329.50
NO YRS 122 124 122 122 124 123 120 121 122 121 121 122 110