CORVALLIS STATE UNIV, OREGON

Monthly Total Growing Degree Days

(351862)

Base Temperature = 40 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 370.00 491.00 826.00 972.00 0.00 z 0.00 z 0.00 z 208.50 46.50 2914.00
1890 8.00 47.00 155.00 317.50 580.00 604.50 706.00 771.50 613.50 323.00 122.50 99.50 4348.00
1891 77.50 2.00 121.00 280.50 499.50 517.50 775.50 848.00 547.00 446.50 232.00 79.00 4426.00
1892 38.50 84.10 d 211.00 186.00 470.50 570.00 693.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2253.60
1893 1.50 43.00 142.50 157.00 404.00 486.50 691.00 738.00 490.50 233.50 131.50 91.00 3610.00
1894 68.00 37.50 127.00 266.00 440.50 535.00 768.50 845.50 567.50 336.50 183.50 18.50 4194.00
1895 58.50 97.50 131.00 302.50 431.00 609.00 0.00 z 762.50 462.50 388.00 89.00 72.50 3404.00
1896 100.50 154.00 181.50 187.50 345.00 577.00 860.00 792.00 572.00 395.50 88.00 120.50 4373.50
1897 64.00 88.50 66.50 401.00 625.68 a 618.62 a 710.00 889.50 558.00 396.00 178.00 140.50 4736.30
1898 45.00 161.50 126.00 350.69 a 460.00 0.00 z 761.00 829.50 647.50 329.50 125.00 42.00 3877.69
1899 120.00 101.50 115.50 241.50 389.00 554.00 771.50 660.50 668.50 345.50 325.00 80.50 4373.00
1900 109.00 96.00 342.00 342.00 477.00 648.00 764.50 661.00 560.50 392.67 d 270.00 152.00 4814.67
1901 39.50 116.00 184.50 294.00 502.00 521.00 687.50 848.00 530.00 542.00 223.50 76.00 4564.00
1902 68.00 166.50 153.00 254.50 469.00 619.50 732.50 804.00 602.50 421.50 144.00 69.00 4504.00
1903 78.50 51.00 153.00 232.50 473.50 645.00 682.50 742.50 609.00 388.00 162.50 78.50 4296.50
1904 78.50 48.50 106.00 394.00 500.00 639.00 778.50 816.00 649.50 437.00 247.50 106.00 4800.50
1905 88.00 128.00 303.00 395.50 453.50 604.00 880.00 775.00 641.50 331.00 92.50 68.50 4760.50
1906 128.50 115.50 190.50 411.50 465.00 535.00 939.00 840.50 631.50 430.00 210.00 136.50 5033.50
1907 40.50 195.50 146.50 356.50 530.50 635.00 788.20 d 758.50 628.00 502.00 203.50 126.50 4911.20
1908 81.00 95.50 178.50 334.50 343.50 556.00 915.00 762.00 576.50 380.50 244.50 42.00 4509.50
1909 63.50 102.00 206.50 284.50 374.50 616.00 680.50 710.50 644.00 419.50 157.50 0.00 z 4259.00
1910 18.00 s 25.50 242.50 316.03 a 542.50 547.00 797.00 704.50 571.50 418.00 148.00 61.50 4374.03
1911 15.50 13.50 213.00 206.00 340.50 495.50 907.00 847.00 421.50 348.50 149.50 36.50 3994.00
1912 109.00 172.50 119.50 194.00 g 517.50 634.50 779.50 643.00 632.59 a 286.23 a 121.50 h 96.44 d 3990.76
1913 42.00 24.00 164.00 288.00 449.50 601.00 771.00 814.50 583.50 398.23 e 196.50 51.50 4383.73
1914 157.00 93.85 a 294.50 b 377.00 545.60 a 537.50 839.00 550.50 i 568.45 a 480.50 170.00 26.00 4089.40
1915 48.50 115.11 a 326.00 437.50 456.50 752.50 790.00 863.50 591.50 394.50 0.00 z 161.50 4937.11
1916 12.00 202.00 204.50 324.00 365.50 584.50 700.00 859.00 591.00 275.50 125.69 a 42.00 4285.69
1917 45.50 85.00 52.50 235.00 451.50 596.25 b 903.00 907.50 645.00 402.00 f 224.42 d 227.50 4373.17
1918 183.50 84.00 192.50 299.00 434.50 768.00 594.50 h 821.50 d 807.00 481.50 146.50 82.00 4300.00
1919 93.00 63.50 174.00 316.00 453.50 604.00 839.50 830.00 623.00 351.50 171.00 31.00 4550.00
1920 108.00 45.00 135.50 209.50 363.50 573.00 758.00 839.50 560.50 296.00 119.00 67.00 4074.50
1921 60.50 155.50 204.00 264.00 449.00 643.50 722.50 761.00 538.50 461.50 217.50 80.50 4558.00
1922 15.00 34.00 87.00 194.50 493.00 682.50 801.50 753.00 649.50 396.00 66.50 66.50 4239.00
1923 77.00 28.00 141.00 312.00 462.00 596.50 799.50 883.50 667.50 425.00 223.50 53.00 4668.50
1924 80.50 199.00 131.50 336.50 579.50 652.50 589.50 f 759.00 605.50 377.50 138.50 71.50 3931.50
1925 133.00 163.00 193.00 368.50 566.50 645.00 848.50 756.50 618.50 401.00 159.50 139.50 4992.50
1926 75.50 193.00 334.50 513.50 512.50 724.00 825.00 787.00 576.00 460.00 232.00 89.00 5322.00
1927 69.00 101.00 145.50 251.50 411.00 637.20 e 800.00 801.00 612.00 422.00 257.50 30.50 4538.20
1928 86.00 122.00 304.50 282.50 606.00 644.00 862.00 828.00 642.00 424.00 199.00 74.00 5074.00
1929 21.50 45.50 240.00 238.50 527.00 640.00 825.00 873.00 713.50 542.00 137.50 143.50 4947.00
1930 18.50 183.50 321.50 463.50 453.50 637.50 811.50 881.50 674.00 403.50 153.00 60.00 5061.50
1931 136.00 104.00 268.00 459.00 661.00 661.00 909.00 872.00 647.50 462.00 156.50 71.00 5407.00
1932 66.00 117.00 248.50 338.00 499.50 743.50 742.50 854.00 721.00 522.00 251.00 74.00 5177.00
1933 58.00 45.50 199.50 346.00 373.00 624.50 843.50 877.00 558.50 404.00 167.50 220.50 4717.50
1934 193.00 223.00 421.50 476.00 566.50 641.50 773.50 830.50 628.00 506.00 260.50 87.00 5607.00
1935 62.50 110.00 97.00 315.00 492.50 700.00 812.50 878.50 794.50 410.50 128.00 81.50 4882.50
1936 136.00 58.00 182.50 445.00 623.00 724.50 848.50 871.50 694.00 556.00 145.00 131.00 5415.00
1937 1.50 64.50 286.00 276.50 558.00 718.50 870.50 811.50 716.00 575.00 285.00 148.00 5311.00
1938 82.50 109.00 214.00 406.50 585.00 726.50 941.00 789.00 790.50 472.00 120.50 147.00 5383.50
1939 102.50 54.00 282.00 451.50 584.00 627.00 879.00 907.00 731.50 485.00 260.00 215.50 5579.00
1940 96.50 190.00 346.00 419.00 657.00 776.00 841.00 903.50 739.50 564.00 145.00 164.50 5842.00
1941 132.00 198.00 399.00 421.00 540.00 663.00 975.50 841.00 617.00 442.00 249.50 131.00 5609.00
1942 52.00 84.00 206.50 407.00 511.50 636.50 903.00 897.50 721.00 501.50 196.00 153.00 5269.50
1943 26.50 173.50 211.00 428.50 477.50 607.00 834.50 776.00 781.00 465.50 191.50 64.00 5036.50
1944 65.00 109.50 209.00 318.00 503.00 629.00 830.50 835.00 767.00 573.00 149.00 43.00 5031.00
1945 127.50 149.00 159.00 292.50 560.50 669.00 873.00 830.00 636.00 454.50 183.50 121.50 5056.00
1946 76.50 100.50 207.00 335.50 588.50 575.00 817.50 838.50 608.50 325.00 118.00 116.50 4707.00
1947 48.50 167.00 323.50 404.50 629.00 606.00 748.50 777.00 715.50 446.50 227.50 99.50 5193.00
1948 59.00 88.50 152.00 219.00 482.00 754.50 779.00 756.50 643.50 379.00 125.50 33.00 4471.50
1949 0.00 100.50 241.00 418.50 597.50 690.00 779.50 791.50 702.00 306.50 298.00 74.50 4999.50
1950 15.00 145.50 168.00 302.50 486.50 663.00 857.50 898.00 703.00 409.00 230.50 251.50 5130.00
1951 81.00 145.00 130.50 411.50 526.00 730.00 804.50 835.00 707.00 436.50 200.50 44.50 5052.00
1952 60.50 128.00 173.00 392.00 519.52 b 544.00 831.50 770.00 707.50 520.00 43.00 66.50 4755.52
1953 200.00 99.00 144.00 273.50 402.50 496.00 760.50 772.00 696.50 403.50 215.50 85.50 4548.50
1954 52.50 73.50 100.50 268.50 490.50 513.50 705.50 714.50 579.00 339.50 262.00 50.00 4149.50
1955 16.50 42.00 71.00 131.50 378.50 585.00 656.00 741.00 595.00 392.50 175.00 89.50 3873.50
1956 86.50 18.50 142.00 317.50 556.50 528.00 831.00 780.50 654.00 340.50 87.00 92.50 4434.50
1957 1.00 88.00 198.00 328.50 541.50 636.00 731.50 710.50 730.50 394.50 74.50 110.50 4545.00
1958 99.50 220.00 142.00 292.50 615.50 709.00 937.50 921.50 660.00 449.50 218.50 158.50 5424.00
1959 124.00 61.50 159.00 304.00 406.50 607.00 854.00 781.00 567.50 433.00 139.50 46.00 4483.00
1960 29.50 82.50 179.50 284.50 382.50 646.00 842.50 731.00 639.00 418.50 164.50 51.00 4451.00
1961 140.50 170.50 180.50 289.50 439.50 702.50 816.50 889.00 559.00 375.00 82.00 91.00 4735.50
1962 48.50 85.00 125.50 346.50 339.00 571.50 762.00 748.00 668.50 391.00 215.00 88.00 4388.50
1963 25.00 211.00 148.00 206.00 473.00 576.00 683.00 780.50 727.50 423.50 191.00 49.00 4493.50
1964 57.00 46.50 109.00 225.00 360.50 547.50 761.50 737.00 557.50 418.50 109.00 114.50 4043.50
1965 55.00 97.00 231.50 332.50 393.50 577.00 823.00 822.00 614.50 459.00 239.50 69.50 4714.00
1966 48.00 45.00 159.50 333.50 485.00 630.00 766.50 810.50 686.50 389.50 204.50 134.50 4693.00
1967 106.50 91.50 121.00 148.50 465.00 702.00 841.00 958.00 764.00 398.00 214.50 93.00 4903.00
1968 82.00 243.15 c 221.00 221.50 425.50 613.00 806.00 745.00 611.00 339.00 174.50 44.00 4525.65
1969 34.50 28.50 184.00 248.00 552.00 721.50 753.50 725.50 656.00 337.00 174.50 96.00 4511.00
1970 119.00 138.00 189.00 191.50 446.50 715.00 809.50 785.00 560.00 349.00 195.00 50.00 4547.50
1971 84.00 72.50 113.50 236.50 451.50 509.00 799.00 853.50 563.00 329.00 127.50 24.00 4163.00
1972 66.00 127.00 261.00 183.50 511.50 647.00 880.50 890.50 584.00 400.00 209.00 114.00 4874.00
1973 46.50 138.50 147.50 294.50 520.00 645.00 836.00 736.00 676.00 385.50 129.00 124.00 4678.50
1974 87.50 53.00 188.50 267.00 403.50 645.00 759.00 836.00 778.00 388.00 185.50 129.50 4720.50
1975 125.50 59.50 121.50 145.50 439.00 575.00 790.00 718.50 708.00 372.50 131.50 132.50 4319.00
1976 78.00 61.50 122.00 230.00 438.00 515.00 767.50 748.00 688.00 422.50 223.50 23.00 4317.00
1977 37.00 136.00 119.00 307.50 358.50 632.00 742.50 917.50 579.00 422.00 168.50 139.50 4559.00
1978 90.00 169.50 297.50 299.00 429.50 689.00 827.00 823.00 592.50 427.00 92.00 50.50 4786.50
1979 7.50 100.00 260.50 308.00 483.00 632.00 821.00 769.50 696.50 515.50 125.50 122.50 4841.50
1980 51.00 110.50 178.00 332.00 433.50 541.50 822.00 723.00 655.50 441.50 224.00 149.50 4662.00
1981 62.50 122.50 212.50 300.50 447.00 577.50 789.00 878.50 666.50 352.00 216.00 111.50 4736.00
1982 50.50 109.50 156.50 211.00 476.50 681.00 762.50 812.50 649.50 413.50 92.50 85.00 4500.50
1983 109.50 163.00 287.50 304.00 528.50 582.50 713.50 823.00 612.00 369.50 229.00 47.00 4769.00
1984 126.50 114.00 282.00 242.00 408.00 545.00 808.50 784.00 630.50 323.50 158.50 16.50 4439.00
1985 4.50 55.00 110.00 361.50 466.00 640.00 921.00 789.00 562.00 379.00 95.00 9.00 4392.00
1986 93.00 136.50 338.50 276.50 468.00 729.50 718.50 921.50 580.00 469.50 209.00 42.50 4983.00
1987 73.00 114.50 230.00 384.00 563.00 704.50 777.50 863.50 684.00 540.50 227.50 84.00 5246.00
1988 43.50 131.50 195.50 346.00 434.00 604.00 840.50 814.00 671.50 539.50 200.50 55.00 4875.50
1989 74.50 44.50 185.50 444.50 478.00 699.50 747.00 763.00 728.50 386.00 194.50 71.50 4817.00
1990 103.00 93.00 241.00 384.50 442.50 633.50 893.00 869.00 750.50 346.00 185.00 34.00 4975.00
1991 60.00 228.00 147.50 265.50 387.00 522.50 844.00 852.00 775.50 457.50 226.00 77.00 4842.50
1992 131.00 216.50 328.00 411.00 630.50 760.50 870.50 867.00 655.50 465.00 181.00 30.00 5546.50
1993 34.00 53.00 284.50 308.50 582.00 609.00 700.50 843.00 674.00 495.00 58.50 82.00 4724.00
1994 126.50 76.00 277.00 346.50 535.00 582.50 866.50 807.00 736.50 372.50 57.50 111.00 4894.50
1995 143.00 216.00 217.50 271.00 544.00 643.50 884.50 769.00 753.50 402.00 309.50 116.50 5270.00
1996 111.50 141.50 232.00 362.50 412.00 607.00 922.50 866.00 606.50 391.00 169.50 88.50 4910.50
1997 102.00 107.50 212.50 304.00 620.50 602.00 816.00 907.00 708.50 367.00 248.50 29.50 5025.00
1998 120.00 137.00 229.50 291.50 448.00 623.50 898.50 875.00 751.00 401.00 222.00 96.50 5093.50
1999 83.00 88.50 135.00 272.00 395.50 569.00 753.00 846.00 687.00 420.50 274.00 99.00 4622.50
2000 34.50 100.50 141.00 347.50 493.00 676.00 778.00 786.00 669.00 417.00 93.50 46.50 4582.50
2001 58.00 60.00 209.50 230.00 512.00 549.50 777.00 821.00 685.00 386.50 229.00 55.50 4573.00
2002 75.50 101.00 121.50 319.00 422.50 626.50 865.00 819.00 688.00 388.00 182.00 114.00 4722.00
2003 153.50 107.00 276.50 280.50 478.00 707.00 895.00 852.50 734.00 512.50 120.00 82.50 5199.00
2004 0.00 z 115.00 0.00 z 0.00 z 532.00 682.00 895.00 904.00 629.00 450.50 127.50 90.00 4425.00
2005 101.00 85.00 260.50 303.50 541.00 568.50 877.50 878.50 608.50 452.50 106.50 88.00 4871.00
2006 132.50 94.00 144.00 336.50 535.00 715.50 909.50 813.00 668.00 379.50 208.50 79.00 5015.00
2007 46.50 132.50 274.00 283.50 471.00 610.50 890.00 817.00 631.50 352.00 134.00 77.00 4719.50
2008 31.50 73.00 98.00 197.00 500.00 550.00 836.00 840.00 649.00 365.50 251.50 50.50 4442.00
2009 59.50 65.50 128.50 261.50 488.50 682.00 912.00 821.00 704.50 367.00 155.00 60.50 4705.50
2010 148.50 169.00 190.50 267.50 402.00 567.50 825.00 799.00 665.00 418.00 194.00 125.50 4771.50
2011 124.00 66.00 200.50 204.31 a 395.50 591.50 0.00 z 865.50 757.50 427.00 134.50 40.82 a 3807.13
2012 77.50 89.50 125.50 347.50 459.50 583.50 793.50 857.00 678.50 451.50 238.50 87.00 4789.00
2013 40.00 87.00 132.50 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 127.00
Period of Record Statistics
MEAN 75.55 107.30 194.86 308.91 482.61 625.66 811.65 814.05 648.52 414.13 177.57 87.54 4754.66
S.D. 42.76 53.30 72.93 77.41 74.05 68.60 69.27 61.24 71.80 65.15 58.41 45.19 396.44
SKEW 0.44 0.47 0.67 0.14 0.23 0.29 0.03 -0.29 -0.14 0.29 -0.02 0.98 0.14
MAX 200.00 243.15 421.50 513.50 661.00 826.00 975.50 958.00 807.00 575.00 325.00 251.50 5842.00
MIN 0.00 2.00 52.50 131.50 339.00 486.50 656.00 643.00 421.50 233.50 43.00 9.00 3610.00
NO YRS 122 124 122 122 124 123 120 121 122 121 121 122 110