CORVALLIS WATER BUREAU, OREGON

Monthly Total Heating Degree Days

(351877)

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
1936 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
1937 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
1938 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
1939 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
1940 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
1941 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
1942 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
1943 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
1944 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
1945 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
1946 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
1947 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
1948 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
1949 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
1950 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
1951 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
1952 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
1953 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
1954 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
1955 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
1956 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
1957 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
1958 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
1959 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
1960 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
1961 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
1962 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
1963 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 196.15 d 143.50 53.00 61.50 361.50 586.50 783.00 2185.15
1964 768.00 686.50 683.50 521.00 448.50 197.50 72.85 a 85.50 166.50 323.95 a 711.50 796.18 a 5461.48
1965 813.20 c 623.00 544.50 416.00 397.32 a 182.50 66.50 56.00 151.00 302.50 530.50 884.02 a 4967.03
1966 821.00 685.50 633.00 416.50 304.50 159.83 a 66.50 36.00 94.00 390.00 569.50 700.50 4876.83
1967 715.00 624.50 692.50 588.50 329.50 108.00 12.00 6.00 38.00 368.50 553.50 799.50 4835.50
1968 793.00 538.50 502.72 a 516.50 376.50 187.76 a 66.00 116.00 164.00 434.00 584.50 829.25 a 5108.73
1969 930.50 747.00 581.00 485.50 234.00 115.50 83.50 78.50 148.00 467.00 606.50 715.14 b 5192.14
1970 754.16 b 585.50 600.88 a 568.00 332.50 117.50 62.50 61.00 211.50 437.00 624.50 853.00 5208.04
1971 844.50 707.00 748.00 558.00 359.50 278.00 92.50 32.00 220.50 490.00 673.50 834.00 5837.50
1972 855.00 672.50 551.00 624.50 285.50 159.00 35.50 47.50 227.00 408.00 605.00 930.00 5400.50
1973 888.00 602.00 654.00 470.50 310.50 147.41 a 105.50 148.00 162.00 448.50 711.50 703.00 5350.91
1974 914.50 717.00 647.50 433.50 f 420.50 154.00 115.50 45.00 56.50 353.29 b 596.50 702.50 4722.79
1975 702.15 a 680.00 701.50 609.00 329.50 212.00 65.00 106.00 88.50 434.00 a 658.50 726.00 5312.15
1976 773.00 712.00 712.00 555.50 349.50 266.50 80.50 90.50 102.50 360.50 571.55 a 856.00 5430.05
1977 857.50 586.50 684.50 451.00 456.73 a 142.50 107.00 49.50 203.00 374.00 654.50 707.50 5274.23
1978 745.00 578.50 518.00 484.50 386.47 a 131.00 66.50 77.50 205.00 324.00 749.50 925.00 5190.97
1979 1058.50 691.00 537.50 479.00 276.00 150.50 71.00 56.00 98.50 275.50 664.50 702.00 5060.00
1980 901.50 649.50 645.50 442.00 364.00 262.00 68.50 116.00 138.50 369.00 603.50 726.50 5286.50
1981 754.00 649.50 607.50 487.00 374.00 224.00 91.00 55.00 160.00 442.50 596.50 708.50 5149.50
1982 883.50 689.50 659.50 598.00 330.00 148.00 100.50 77.00 167.50 424.50 752.00 820.00 5650.00
1983 748.50 603.00 574.00 506.50 310.50 248.50 134.00 47.50 211.00 422.00 577.50 932.50 5315.50
1984 763.00 652.00 532.50 536.00 402.00 244.00 65.50 68.50 196.50 497.50 672.50 911.50 5541.50
1985 957.50 747.00 713.00 436.50 361.50 154.00 16.50 83.50 254.00 441.00 854.50 1036.00 6055.00
1986 758.50 634.50 528.00 531.50 388.50 137.00 156.00 31.00 289.00 422.00 604.00 875.00 5355.00
1987 855.00 639.50 639.00 445.50 307.50 154.50 116.50 56.50 154.50 294.00 601.00 867.00 5130.50
1988 867.00 678.00 644.50 474.50 408.00 228.50 86.00 84.50 181.00 295.50 602.50 833.00 5383.00
1989 801.50 891.00 695.00 371.50 343.50 152.00 117.50 104.00 100.00 451.00 602.50 845.00 5474.50
1990 756.00 759.00 594.50 406.50 385.00 200.00 45.50 52.50 88.50 484.50 630.50 1025.50 5428.00
1991 880.50 521.00 719.50 531.50 447.00 291.00 55.50 52.50 105.00 377.00 607.00 801.50 5389.00
1992 732.50 566.00 505.00 390.00 191.50 129.00 53.50 58.00 200.50 404.00 638.00 836.00 4704.00
1993 926.50 741.00 566.00 488.00 245.50 190.50 139.50 81.00 137.00 352.00 803.00 860.00 5530.00
1994 735.00 725.00 585.50 468.50 292.50 231.50 48.50 60.00 82.50 430.50 758.00 762.50 5180.00
1995 702.50 536.50 622.00 509.50 259.50 178.50 37.00 93.00 80.00 438.50 487.00 754.50 4698.50
1996 752.00 714.50 608.00 451.50 419.00 202.00 48.00 60.00 209.00 466.00 649.50 773.50 5353.00
1997 808.50 679.50 644.50 526.00 218.00 206.00 61.00 30.50 130.00 466.00 572.00 844.00 5186.00
1998 713.00 618.50 580.50 496.00 362.50 145.50 28.50 35.50 106.00 430.00 590.50 825.50 4932.00
1999 740.00 666.50 679.50 498.50 409.50 221.50 95.50 52.50 126.00 387.00 528.00 754.00 5158.50
2000 837.00 666.00 681.00 423.50 328.50 135.50 81.00 73.00 150.50 398.50 743.50 805.50 5323.50
2001 797.00 680.00 595.00 545.00 278.50 232.00 88.00 61.00 130.00 408.50 558.50 769.00 5142.50
2002 763.00 632.50 699.00 458.50 368.50 170.00 34.00 0.00 z 97.00 387.50 595.00 724.50 4929.50
2003 648.50 626.50 533.50 503.00 314.00 110.00 18.00 16.00 102.50 289.50 694.00 742.00 4597.50
2004 805.00 648.50 481.00 384.50 264.50 130.00 22.00 31.00 145.50 343.00 654.00 718.50 4627.50
2005 753.50 664.50 497.00 449.00 260.00 190.00 25.50 16.00 142.00 364.00 699.00 844.50 4905.00
2006 694.00 693.00 667.00 429.00 266.50 110.50 32.50 42.00 108.00 389.00 629.50 828.00 4889.00
2007 881.00 625.00 533.00 492.50 298.00 184.50 12.00 41.50 147.50 456.50 668.00 804.00 5143.50
2008 922.00 687.00 694.00 581.00 318.00 245.00 45.50 68.50 150.50 459.50 597.00 937.00 5705.00
2009 889.50 745.00 769.50 549.00 344.50 177.50 67.00 104.50 170.00 528.00 740.50 1047.00 6132.00
2010 770.00 682.00 587.00 500.00 371.00 192.00 64.50 70.00 132.50 355.00 634.00 724.00 5082.00
2011 764.00 709.00 644.50 578.50 417.00 204.00 84.00 17.05 a 77.00 368.50 695.50 888.00 5447.05
2012 811.00 693.00 733.50 465.60 e 345.00 199.00 f 77.00 28.50 91.50 359.50 598.97 a 791.50 4995.07
2013 962.00 703.63 a 294.50 o 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 1665.63
Period of Record Statistics
MEAN 811.34 665.07 621.44 493.71 338.58 182.34 70.56 61.47 143.18 399.07 637.79 817.24 5247.84
S.D. 83.52 65.48 74.23 61.19 62.34 47.44 35.22 29.33 53.63 58.82 73.48 88.43 330.69
SKEW 0.59 0.34 -0.08 0.12 -0.18 0.37 0.39 0.56 0.41 -0.15 0.72 0.73 0.35
MAX 1058.50 891.00 769.50 624.50 456.73 291.00 156.00 148.00 289.00 528.00 854.50 1047.00 6132.00
MIN 648.50 521.00 481.00 371.50 191.50 108.00 12.00 6.00 38.00 275.50 487.00 700.50 4597.50
NO YRS 50 50 49 48 49 49 50 49 50 50 50 50 46