CORVALLIS STATE UNIV, OREGON

Monthly Total Heating Degree Days

(351862)

Base Temperature = 65 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 380.00 285.50 51.50 9.00 0.00 z 0.00 z 0.00 z 544.50 820.00 2090.50
1890 1007.00 785.00 636.00 433.50 208.00 175.00 88.50 57.50 145.00 452.00 641.50 696.50 5325.50
1891 781.50 807.50 700.50 469.50 275.50 235.00 55.00 27.00 216.50 328.50 520.00 738.50 5155.00
1892 817.00 683.24 d 564.00 564.00 304.50 200.00 99.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3232.24
1893 1014.00 728.50 641.50 595.00 371.00 265.00 105.50 70.00 259.50 541.50 641.00 700.50 5933.00
1894 759.00 757.50 661.50 484.00 336.00 218.00 46.50 34.00 196.50 438.50 576.50 814.00 5322.00
1895 824.50 653.50 654.00 447.50 347.00 166.00 0.00 z 55.50 288.00 387.00 694.00 774.50 5291.50
1896 715.50 585.50 641.50 563.00 430.00 183.00 27.50 37.50 196.50 379.50 790.50 672.50 5222.50
1897 817.00 624.50 741.50 349.00 176.18 a 150.00 a 89.50 28.50 197.50 379.00 580.50 673.00 4806.18
1898 795.00 541.00 653.00 399.31 a 315.50 0.00 z 72.50 38.50 124.00 445.50 647.00 851.50 4882.81
1899 691.50 763.00 668.00 508.50 386.00 198.50 57.50 131.50 109.00 430.00 425.00 723.50 5092.00
1900 704.00 646.00 434.00 408.50 298.00 115.00 64.50 118.00 196.50 382.33 d 508.00 647.50 4522.33
1901 813.00 634.00 590.50 456.00 282.50 237.00 106.00 44.00 226.00 233.50 528.00 769.50 4920.00
1902 847.00 542.50 626.00 495.50 314.00 160.00 99.50 50.00 186.50 353.50 622.50 769.00 5066.00
1903 756.00 746.00 640.00 517.50 306.00 131.00 102.00 69.50 151.00 387.00 597.50 776.50 5180.00
1904 759.00 701.50 689.50 358.50 281.00 138.00 72.00 47.00 124.00 338.00 502.50 715.50 4726.50
1905 768.00 638.00 472.00 354.50 323.50 146.00 15.00 64.50 126.50 444.00 679.00 783.50 4814.50
1906 667.00 587.00 637.00 339.50 310.00 226.50 7.00 21.50 129.00 345.00 582.00 675.50 4527.00
1907 915.00 507.50 631.50 393.50 248.50 141.50 29.85 d 56.00 149.00 273.00 547.50 668.00 4560.85
1908 718.50 658.50 602.00 415.50 431.50 204.50 13.00 86.00 192.00 394.50 521.50 821.00 5058.50
1909 945.50 613.50 569.00 465.50 400.50 144.50 102.50 90.00 138.50 355.50 610.50 0.00 z 4435.50
1910 306.50 s 759.50 534.50 435.52 a 242.00 210.50 50.50 91.00 184.50 357.00 616.50 753.00 4234.52
1911 931.50 756.00 562.50 555.50 434.50 257.50 48.50 46.50 333.00 426.50 616.50 786.50 5755.00
1912 709.00 553.00 660.50 381.00 g 265.00 145.50 59.00 145.50 143.28 a 488.77 a 431.50 h 733.67 d 3903.21
1913 819.50 733.50 627.00 462.00 328.50 159.50 71.00 46.00 173.00 376.77 e 554.00 752.50 5103.27
1914 621.50 630.52 a 480.50 b 373.00 234.57 a 224.50 22.00 44.00 i 182.07 a 294.50 590.00 914.00 4567.15
1915 812.50 592.15 a 449.00 312.50 318.50 59.00 52.50 22.00 168.50 380.50 0.00 z 636.50 3803.65
1916 1011.50 545.00 585.50 426.00 409.50 193.50 87.00 24.00 164.50 500.00 681.21 a 816.00 5443.71
1917 825.00 669.50 749.00 515.50 323.50 158.04 b 5.50 3.00 116.00 224.50 f 527.88 d 554.00 4446.92
1918 614.00 641.50 593.50 451.00 340.50 52.00 28.50 h 47.65 d 35.50 295.00 613.00 781.50 4465.15
1919 822.50 656.50 602.00 434.00 321.50 156.50 44.00 35.00 145.00 423.50 599.00 1042.00 5281.50
1920 802.00 707.50 649.50 541.00 411.50 182.00 46.50 53.00 200.50 479.00 647.50 738.50 5458.50
1921 787.00 561.50 572.50 486.00 326.00 114.00 73.00 55.00 211.50 313.50 535.50 833.50 4869.00
1922 919.00 732.00 701.00 559.00 300.50 89.50 48.50 53.50 130.00 379.00 747.00 842.00 5501.00
1923 765.00 780.50 660.50 438.00 314.50 176.00 36.00 10.50 117.50 350.00 526.50 753.00 4928.00
1924 845.50 530.50 644.50 414.50 200.50 137.00 65.00 f 53.50 165.00 397.50 651.50 973.00 5013.00
1925 662.50 538.50 583.50 381.50 212.50 158.50 14.50 75.00 139.50 374.00 598.50 661.00 4399.50
1926 768.00 507.00 440.50 248.50 265.00 100.00 23.00 31.50 186.50 315.00 519.50 742.50 4147.00
1927 794.50 613.50 633.50 499.00 364.50 123.00 e 35.50 52.00 155.00 353.00 492.50 857.50 4973.50
1928 765.00 606.00 470.50 467.50 191.00 118.00 31.50 19.50 126.50 351.00 563.00 762.00 4471.50
1929 893.50 763.00 535.50 514.50 249.00 133.00 26.00 9.50 97.50 233.00 635.00 645.00 4734.50
1930 1105.00 518.50 453.50 286.50 321.50 127.00 26.00 7.50 104.50 371.50 614.00 776.00 4711.50
1931 663.50 596.50 507.00 293.50 149.50 110.50 9.00 14.50 137.00 314.50 632.50 764.50 4192.50
1932 771.50 656.00 528.00 412.00 275.50 91.50 66.00 38.00 84.50 272.00 499.00 860.00 4554.00
1933 806.50 729.00 576.00 404.00 402.00 136.00 19.00 35.50 193.50 371.50 594.50 564.50 4832.00
1934 582.50 477.00 353.50 275.00 215.00 136.50 41.00 20.50 150.00 276.50 489.50 716.50 3733.50
1935 817.50 605.00 698.00 435.00 283.50 99.50 70.50 23.50 38.00 374.50 673.00 758.00 4876.00
1936 651.50 787.00 601.50 308.00 180.00 65.50 7.00 6.00 97.00 232.50 631.50 679.00 4246.50
1937 1020.50 659.00 489.00 473.50 217.00 100.50 10.00 46.50 84.50 200.00 468.00 670.00 4438.50
1938 747.00 605.50 563.50 343.50 226.50 84.50 28.50 31.50 23.50 303.00 649.00 677.50 4283.50
1939 685.50 679.00 498.50 299.00 207.50 142.50 34.00 13.50 70.50 290.00 490.00 583.50 3993.50
1940 714.50 535.00 429.00 331.50 137.50 68.50 6.00 5.00 55.00 226.50 618.00 649.00 3775.50
1941 673.00 502.00 376.00 329.00 261.50 104.50 2.50 37.00 139.00 333.00 530.00 681.50 3969.00
1942 866.00 625.00 569.50 343.00 273.50 143.50 19.50 31.50 67.50 273.50 554.00 635.00 4401.50
1943 913.00 534.00 565.50 326.00 304.00 157.00 39.50 30.00 42.50 316.50 558.50 778.50 4565.00
1944 778.50 616.50 568.50 432.00 275.50 140.50 29.00 23.50 74.50 202.00 618.00 820.00 4578.50
1945 707.50 554.50 620.00 457.50 214.50 129.00 25.00 20.50 134.00 320.50 576.00 721.50 4480.50
1946 755.50 618.50 569.00 414.50 188.50 194.00 57.50 22.50 154.50 451.50 640.50 720.50 4787.00
1947 864.50 534.50 451.50 348.50 162.00 149.00 46.50 39.00 89.50 330.00 530.00 694.00 4239.00
1948 765.00 688.00 628.50 533.00 293.00 70.50 41.00 49.00 152.50 396.00 628.00 866.50 5111.00
1949 1074.50 667.50 534.00 331.50 194.50 102.00 63.00 27.00 84.00 469.00 459.50 738.50 4745.00
1950 1044.00 646.00 611.50 447.50 290.50 131.00 18.00 19.50 95.50 366.00 523.50 523.50 4716.50
1951 764.00 570.00 689.00 338.50 249.50 82.00 32.50 36.00 87.00 338.50 551.50 798.00 4536.50
1952 792.00 626.00 603.00 358.00 259.76 b 206.00 37.50 61.50 100.00 259.00 798.00 751.00 4851.76
1953 581.00 609.50 637.50 476.50 376.00 254.50 57.50 63.50 90.50 371.50 539.00 721.00 4778.00
1954 796.50 652.50 692.00 481.50 286.00 240.00 79.50 81.00 177.50 435.50 494.50 782.50 5199.00
1955 840.50 709.00 747.50 619.50 396.50 193.00 135.00 68.50 195.00 382.50 680.00 754.00 5721.00
1956 748.00 844.50 667.50 432.50 235.50 226.00 66.00 55.00 121.00 435.00 702.50 792.50 5326.00
1957 1031.50 647.00 579.50 427.00 234.00 127.00 68.50 81.50 67.00 380.50 693.50 692.50 5029.50
1958 744.50 482.00 644.00 457.50 176.00 99.50 7.00 0.50 132.50 331.00 565.00 631.50 4271.00
1959 721.00 667.50 618.00 446.00 368.50 154.00 41.00 50.50 190.50 342.00 633.50 793.50 5026.00
1960 914.00 674.00 634.00 465.50 392.50 124.50 37.50 95.50 139.00 356.50 600.00 815.00 5248.00
1961 678.00 533.50 595.50 461.50 343.50 119.00 43.50 13.50 203.00 400.00 699.50 741.50 4832.00
1962 879.50 664.50 672.50 403.50 436.00 185.00 83.50 70.50 100.00 384.00 544.00 725.50 5148.50
1963 958.00 489.50 631.00 547.00 315.50 195.00 101.50 54.00 77.50 351.50 568.00 812.00 5100.50
1964 749.00 699.50 672.00 527.00 414.50 204.00 86.00 88.50 195.00 356.50 694.50 769.00 5455.50
1965 788.00 610.00 544.50 419.00 381.50 183.50 50.50 35.50 150.50 316.00 515.00 833.00 4827.00
1966 787.50 680.00 633.50 416.50 294.50 153.50 62.00 41.50 94.50 385.50 546.00 656.50 4751.50
1967 677.50 613.00 661.50 608.00 310.00 103.50 15.00 2.50 35.50 377.00 544.50 745.00 4693.00
1968 784.50 487.98 c 554.00 531.50 350.50 165.00 46.00 81.50 155.50 436.00 581.50 826.00 4999.98
1969 950.50 724.00 591.00 504.50 237.50 80.50 62.00 81.50 122.50 438.00 601.00 732.50 5125.50
1970 744.50 565.00 586.00 558.50 330.00 116.00 50.00 51.00 191.00 426.00 572.00 789.00 4979.00
1971 796.50 676.00 701.00 513.50 325.50 244.00 71.50 22.50 196.00 458.00 635.50 807.50 5447.50
1972 823.00 645.50 517.00 566.50 271.50 118.00 31.00 31.50 211.50 379.50 545.00 946.50 5086.50
1973 839.00 569.00 627.50 455.50 266.00 144.50 49.00 89.50 105.00 389.50 636.00 660.50 4831.00
1974 886.50 673.00 602.50 483.00 371.50 134.00 82.00 39.50 45.00 387.00 571.50 682.00 4957.50
1975 700.00 677.00 655.00 608.00 339.00 191.50 48.50 82.50 82.50 403.00 638.00 710.50 5135.50
1976 743.00 697.50 672.00 520.00 339.50 250.00 64.00 73.50 90.00 355.00 544.50 855.00 5204.00
1977 862.50 576.00 663.00 442.50 416.50 131.00 80.50 27.00 175.00 353.00 626.50 655.50 5009.00
1978 718.50 539.00 477.50 451.00 352.50 101.00 51.00 53.50 166.00 348.00 752.50 890.00 4900.50
1979 1035.00 655.50 514.50 442.50 293.00 143.50 55.00 37.00 80.50 261.00 639.50 666.50 4823.50
1980 856.00 634.50 599.00 418.00 341.50 209.50 45.00 75.00 113.00 341.50 538.50 686.00 4857.50
1981 755.50 623.50 563.50 449.50 329.00 178.00 54.50 41.00 123.00 423.00 536.50 684.00 4761.00
1982 840.50 641.50 620.00 539.50 302.00 122.50 68.00 44.00 128.00 361.50 690.00 742.50 5100.00
1983 705.50 540.50 487.50 446.00 267.50 172.50 99.50 15.50 145.00 405.50 521.50 903.00 4709.50
1984 717.00 612.00 493.00 508.00 371.00 214.50 39.00 37.00 137.50 453.50 596.00 841.50 5020.00
1985 921.50 694.00 666.50 388.50 313.50 137.00 8.50 56.50 189.50 396.00 806.00 997.50 5575.00
1986 691.50 596.50 436.50 473.50 332.50 95.50 81.00 7.50 209.00 305.50 541.00 797.50 4567.50
1987 787.00 585.50 545.00 368.00 242.00 109.00 59.00 22.00 105.50 241.50 531.50 803.00 4399.00
1988 807.50 624.50 579.50 404.00 345.00 161.00 52.00 40.50 126.00 242.00 552.00 775.00 4709.00
1989 746.50 834.00 601.50 305.50 302.00 101.00 60.00 54.00 77.00 389.00 558.50 790.50 4819.50
1990 704.00 693.50 536.50 365.50 334.00 140.50 24.00 34.50 46.50 429.00 566.00 966.50 4840.50
1991 811.50 472.00 632.50 484.50 388.00 230.50 31.50 25.50 57.00 321.00 531.00 738.50 4723.50
1992 672.50 510.50 447.00 339.00 168.00 74.00 19.00 29.00 124.50 310.50 575.00 807.50 4076.50
1993 936.00 732.00 490.50 441.50 201.00 152.50 86.00 38.00 105.00 280.00 760.50 807.50 5030.50
1994 674.00 671.50 498.00 403.50 245.50 173.50 30.00 16.50 73.50 402.50 728.00 719.00 4635.50
1995 657.50 520.00 559.00 479.00 234.50 152.50 18.50 65.50 48.00 373.00 440.50 710.50 4258.50
1996 706.00 664.00 543.00 387.50 363.00 152.50 26.50 28.00 155.00 386.00 583.50 715.50 4710.50
1997 735.50 606.00 565.00 446.00 180.00 154.00 31.00 4.00 78.50 408.00 501.50 811.00 4520.50
1998 677.50 563.00 548.00 459.00 327.50 129.50 13.50 17.50 76.00 375.00 528.00 795.50 4510.00
1999 727.50 625.00 644.50 478.00 382.50 197.50 70.00 34.00 95.50 354.50 476.00 715.00 4800.00
2000 791.50 627.00 636.00 402.50 282.00 117.00 55.00 58.50 124.00 362.00 709.50 779.00 4944.00
2001 772.00 667.00 565.50 521.50 272.00 207.50 46.00 30.00 92.00 388.50 521.50 747.00 4830.50
2002 744.00 609.00 666.50 431.00 354.00 150.50 21.00 46.00 97.00 387.00 576.50 675.50 4758.00
2003 639.00 598.00 498.50 469.50 304.00 114.00 19.50 14.00 77.50 264.00 659.50 730.00 4387.50
2004 0.00 z 619.50 0.00 z 0.00 z 244.50 105.50 20.50 13.00 131.50 325.50 646.50 705.00 2811.50
2005 733.50 641.50 514.50 446.50 250.50 185.00 15.00 14.00 152.50 322.50 664.50 812.50 4752.50
2006 647.50 657.00 640.00 413.50 251.50 95.00 24.00 37.50 106.50 398.50 555.00 772.50 4598.50
2007 828.50 581.00 502.00 466.50 304.50 153.00 10.00 25.50 143.00 423.00 635.50 760.50 4833.00
2008 873.00 661.00 684.50 554.00 299.00 230.50 36.00 46.50 122.50 409.50 501.50 847.00 5265.00
2009 790.00 666.50 659.50 489.00 293.00 89.50 24.50 44.00 86.00 408.00 599.50 895.00 5044.50
2010 627.50 531.00 584.50 483.00 373.00 185.00 47.50 54.50 108.00 358.00 596.50 664.00 4612.50
2011 721.00 684.00 574.50 545.69 a 379.50 168.50 0.00 z 13.00 69.00 348.00 615.50 843.72 a 4962.41
2012 749.00 643.00 669.50 403.50 318.00 181.50 33.50 20.50 91.50 327.00 516.00 711.00 4664.00
2013 895.50 615.50 419.00 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 1511.00
Period of Record Statistics
MEAN 791.54 632.40 587.83 441.87 298.51 151.43 47.16 43.09 131.05 362.17 591.10 756.81 4828.51
S.D. 107.07 79.47 79.47 77.48 68.60 48.87 27.91 26.85 54.35 64.07 75.62 87.29 402.76
SKEW 0.70 0.21 -0.50 -0.09 -0.12 0.23 0.56 1.03 0.59 -0.24 0.55 0.39 -0.09
MAX 1105.00 844.50 749.00 619.50 436.00 265.00 135.00 145.50 333.00 541.50 806.00 1042.00 5933.00
MIN 581.00 472.00 353.50 248.50 137.50 51.50 2.50 0.50 23.50 200.00 425.00 523.50 3733.50
NO YRS 122 124 122 122 124 123 120 121 122 121 121 122 110