CASCADIA, OREGON

Monthly Total Heating Degree Days

(351433)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201207
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
1908 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
1909 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
1910 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
1911 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
1912 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
1913 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
1914 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
1915 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
1916 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
1917 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
1918 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 832.50 832.50
1919 863.00 713.00 671.00 485.50 353.50 289.50 114.00 66.50 225.50 544.00 709.50 981.00 6016.00
1920 871.50 874.00 792.00 666.00 409.00 201.50 73.50 66.50 232.50 521.00 654.00 741.00 6102.50
1921 822.00 637.00 607.50 497.50 370.50 106.00 120.00 53.00 240.50 326.00 526.00 785.00 5091.00
1922 924.50 713.50 650.50 496.50 273.00 57.00 34.50 117.50 136.50 307.00 f 677.00 815.00 4895.50
1923 738.50 738.00 618.00 402.50 275.00 125.00 30.00 18.00 92.50 0.00 z 434.50 765.00 4237.00
1924 860.50 566.06 c 658.15 e 343.50 g 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2084.71
1925 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
1926 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
1927 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
1928 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 83.00 49.00 207.50 470.50 694.00 481.00 o 1504.00
1929 1035.50 519.50 m 653.00 589.50 353.00 204.00 68.50 51.50 186.50 392.00 796.00 754.00 5083.50
1930 1124.50 618.00 579.00 384.00 399.50 237.50 72.00 44.50 188.50 469.50 729.00 0.00 z 4846.00
1931 0.00 z 648.50 592.50 379.50 207.00 164.50 49.50 84.06 e 183.50 l 479.00 770.50 873.00 4248.06
1932 911.00 800.00 583.00 493.00 359.00 111.00 106.00 0.00 z 144.00 g 362.00 568.00 974.00 5267.00
1933 912.00 803.50 645.00 499.00 465.00 178.50 47.00 32.00 257.00 386.00 643.50 647.00 5515.50
1934 666.00 561.50 398.35 a 225.56 c 196.50 92.00 16.00 l 26.50 198.50 331.46 e 459.23 d 742.50 3898.10
1935 889.00 420.50 h 718.50 452.00 360.00 119.00 96.00 89.50 137.00 476.50 771.00 843.50 4952.00
1936 764.00 859.40 c 649.93 b 340.50 215.81 e 66.00 f 19.00 26.00 118.50 318.27 a 726.50 750.00 4787.91
1937 1109.00 788.50 605.00 504.00 181.50 107.00 18.00 54.50 100.20 e 316.00 541.00 727.97 b 5052.67
1938 848.00 702.00 673.50 446.00 321.50 97.24 a 40.00 89.00 97.00 283.00 g 751.55 a 794.12 a 4859.91
1939 792.50 758.00 601.50 348.00 252.65 a 168.50 58.50 57.00 122.14 b 379.20 c 594.64 b 667.02 a 4799.65
1940 758.00 562.50 484.50 355.71 b 206.00 92.00 29.00 32.00 106.00 305.35 a 685.34 a 725.50 4341.91
1941 734.70 a 546.50 447.90 b 374.00 278.48 a 161.50 22.22 a 70.50 0.00 z 271.00 i 531.67 c 748.50 3915.96
1942 881.00 676.00 640.00 459.00 347.50 220.00 16.50 28.00 111.50 374.50 616.50 761.00 5131.50
1943 898.50 625.00 644.00 377.50 366.00 224.50 21.50 53.00 64.50 357.00 577.50 823.00 5032.00
1944 817.50 696.50 612.85 e 478.00 323.50 142.00 55.00 64.50 78.50 305.87 a 631.00 832.00 5037.21
1945 763.50 652.50 706.00 546.00 267.00 169.50 51.00 51.50 204.50 393.00 642.00 758.00 5204.50
1946 784.50 670.00 649.00 480.00 305.00 175.00 49.50 33.50 172.00 530.50 681.00 747.00 5277.00
1947 915.50 557.50 516.50 370.00 173.50 206.00 56.00 94.00 143.50 369.00 614.50 760.53 a 4776.53
1948 810.00 857.00 732.63 a 633.60 e 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 299.50 i 720.50 918.63 a 4672.37
1949 1154.23 a 795.31 b 620.00 a 404.00 223.64 c 145.71 b 78.61 c 69.75 a 153.60 e 0.00 z 151.50 u 552.50 k 3644.86
1950 1056.14 b 761.19 a 716.21 b 507.32 b 184.00 n 192.93 a 48.10 b 32.55 a 137.14 b 403.00 d 608.50 601.63 d 5064.71
1951 844.75 c 671.00 772.50 393.50 242.50 h 63.00 h 35.13 a 85.50 123.00 462.23 c 628.27 d 862.12 b 4878.01
1952 900.50 684.19 b 712.47 b 430.56 c 320.33 a 238.89 c 31.50 50.50 115.50 261.43 a 626.00 g 793.08 a 4538.94
1953 641.38 b 629.42 d 672.91 b 489.00 393.50 201.50 f 98.50 119.50 131.50 378.95 b 531.67 c 726.95 a 4813.27
1954 815.50 599.31 b 726.50 486.35 d 294.00 237.00 e 105.40 a 115.50 117.50 g 275.00 k 279.50 l 509.00 l 3379.55
1955 846.96 c 726.83 d 779.81 b 507.50 f 0.00 z 52.50 v 137.00 83.50 24.50 t 0.00 z 0.00 z 0.00 z 2574.11
1956 0.00 z 0.00 z 460.00 k 230.00 o 84.50 s 169.00 h 66.50 85.00 128.50 g 413.00 f 440.50 k 308.00 r 151.50
1957 833.00 g 682.50 d 466.50 h 333.00 g 169.50 l 74.50 j 73.00 84.00 41.50 g 0.00 z 0.00 z 747.32 c 1586.82
1958 725.50 470.00 669.50 487.00 0.00 z 106.80 e 20.50 13.00 201.00 388.65 d 355.00 l 352.00 m 3081.95
1959 455.50 k 0.00 z 0.00 z 273.00 k 0.00 z 99.50 j 67.00 80.50 102.50 h 203.00 q 379.50 l 408.50 n 147.50
1960 463.50 n 426.50 k 601.50 485.69 a 385.50 115.18 b 47.00 134.50 203.00 388.03 b 131.00 y 772.00 3132.40
1961 710.00 576.00 629.50 483.00 334.50 110.69 a 59.00 38.50 257.50 459.00 718.50 781.00 5157.19
1962 901.07 a 674.00 719.00 414.50 431.50 184.00 116.00 82.50 126.50 437.00 584.00 752.00 5422.07
1963 995.00 494.50 653.00 591.00 333.50 236.90 a 122.50 81.50 67.50 370.34 c 611.00 97.00 z 4556.74
1964 650.50 f 0.00 z 698.10 e 0.00 z 353.00 g 0.00 z 0.00 z 0.00 z 292.24 a 395.52 b 721.80 e 671.00 f 2107.65
1965 834.00 682.00 760.50 0.00 z 590.00 0.00 z 51.50 q 69.50 289.50 383.00 566.50 892.50 5067.50
1966 853.50 686.50 667.00 346.50 g 386.50 232.00 123.50 105.00 190.00 474.50 609.00 731.08 a 5058.58
1967 753.50 671.50 707.00 661.61 b 399.50 159.00 80.50 30.50 109.50 455.50 607.50 842.54 c 5478.14
1968 827.91 b 556.50 570.50 561.21 a 415.50 208.00 81.50 99.00 174.50 437.50 586.50 850.50 5369.12
1969 987.50 783.00 632.40 a 504.50 282.21 b 129.50 100.23 a 131.48 b 182.50 465.00 624.00 722.50 5544.82
1970 721.00 560.00 620.50 621.00 384.50 168.62 a 100.00 105.50 281.90 a 488.00 580.50 848.00 5479.52
1971 862.50 684.00 746.00 567.50 359.50 286.00 121.33 b 29.50 f 245.00 498.07 a 682.24 a 860.50 5912.64
1972 884.00 711.02 a 575.00 590.00 345.50 199.50 61.00 77.00 280.50 467.00 598.00 960.50 5749.02
1973 873.50 562.00 673.00 522.50 330.15 a 199.50 104.50 144.50 191.38 a 443.00 701.50 704.50 5450.03
1974 940.50 687.50 657.00 516.00 307.50 k 166.15 d 41.50 20.50 42.50 z 412.00 588.00 749.00 4778.15
1975 735.00 665.50 714.50 638.50 364.00 0.00 z 0.00 z 0.00 z 95.00 i 419.00 682.00 753.00 4971.50
1976 767.00 749.00 712.00 546.50 368.79 b 293.79 a 93.50 101.50 122.68 b 404.50 536.00 833.00 5528.26
1977 849.50 596.00 708.00 364.50 g 475.00 163.50 116.00 45.00 226.50 424.50 670.00 697.00 4971.00
1978 700.50 607.50 514.00 522.00 418.50 140.00 99.00 119.00 228.62 a 397.50 596.00 f 925.00 4671.62
1979 1026.50 708.40 c 557.00 480.50 317.00 193.89 c 82.00 78.00 121.50 302.50 655.00 703.00 5225.29
1980 883.00 607.00 639.50 436.00 379.50 249.31 a 80.00 147.50 196.00 374.50 562.00 725.50 5279.81
1981 696.00 597.00 587.00 469.00 344.00 214.50 128.13 a 63.00 183.75 b 484.00 595.50 748.00 5109.88
1982 885.00 694.00 658.00 581.00 388.00 177.50 125.00 90.50 225.50 414.50 691.50 820.50 5751.00
1983 746.00 573.00 565.50 496.00 314.50 0.00 z 130.00 59.00 223.00 425.50 600.00 876.50 5009.00
1984 799.50 633.50 534.00 543.00 388.50 259.50 81.00 70.00 209.50 502.50 678.50 912.00 5611.50
1985 918.50 753.00 725.50 433.50 350.00 167.50 18.50 106.50 312.00 479.00 883.50 1001.50 6149.00
1986 712.00 614.50 498.50 544.00 369.00 138.50 155.50 28.50 300.50 381.00 610.50 825.00 5177.50
1987 861.50 612.00 598.30 a 397.24 a 307.50 164.00 127.00 88.50 182.50 348.00 607.50 836.50 5130.54
1988 835.00 648.50 643.00 467.50 410.50 220.50 98.00 105.00 210.50 293.00 627.50 822.00 5381.00
1989 821.50 858.50 641.50 389.00 382.50 169.50 115.50 113.50 157.50 456.00 625.50 856.00 5586.50
1990 773.00 766.50 574.50 421.50 400.50 202.00 45.00 51.00 115.50 477.00 632.50 1020.50 5479.50
1991 916.50 518.50 704.00 558.50 463.00 291.00 61.50 61.50 137.00 406.00 585.00 779.00 5481.50
1992 754.00 531.50 503.00 386.00 220.00 126.50 60.50 84.50 201.50 380.50 635.00 848.50 4731.50
1993 919.00 718.50 561.50 499.00 259.50 217.00 159.50 110.50 178.00 347.50 821.50 867.50 5659.00
1994 733.50 725.00 578.50 455.00 298.00 236.50 66.50 70.00 118.50 480.50 822.00 816.50 5400.50
1995 669.00 562.50 637.50 535.00 324.50 208.50 48.00 135.00 104.00 462.00 530.50 733.50 4950.00
1996 775.00 694.50 595.50 439.50 420.00 206.50 56.00 68.00 237.50 446.00 631.00 774.50 5344.00
1997 810.00 664.00 632.00 514.00 228.00 202.00 75.50 28.50 139.50 456.00 542.00 844.50 5136.00
1998 693.50 587.50 605.50 497.00 407.50 187.50 34.00 82.00 154.00 468.50 622.00 877.82 a 5216.82
1999 804.00 684.96 a 706.00 562.50 445.00 250.50 117.50 59.86 b 208.00 443.50 541.00 814.00 5636.83
2000 852.00 657.50 694.50 452.50 361.00 167.00 116.00 135.50 204.50 435.00 781.50 796.00 5653.00
2001 808.00 694.50 603.50 564.50 314.00 279.50 109.50 66.00 192.50 461.50 605.50 813.00 5512.00
2002 838.00 659.00 748.00 513.50 419.50 186.72 a 70.50 129.00 207.50 515.00 639.50 753.50 5679.72
2003 684.50 688.50 597.50 571.50 389.00 177.50 63.50 63.00 182.50 367.00 754.00 779.00 5317.50
2004 829.50 661.50 554.00 454.00 345.00 188.50 60.00 52.00 245.50 426.00 679.50 776.00 5271.50
2005 767.50 728.00 575.50 512.50 308.50 0.00 z 70.50 68.00 288.10 a 411.50 695.50 808.00 5233.60
2006 715.00 704.50 710.50 481.00 341.50 172.00 74.50 140.00 212.00 525.00 654.50 824.50 5555.00
2007 978.00 664.50 585.50 536.50 386.50 242.50 52.00 132.50 272.00 522.50 712.50 838.00 5923.00
2008 947.50 723.50 752.00 630.50 356.00 313.50 96.00 98.50 244.00 472.50 558.00 896.50 6088.50
2009 0.00 z 680.81 a 719.41 b 551.38 a 316.72 a 145.86 a 45.00 32.00 k 104.00 458.00 647.00 959.00 4627.19
2010 629.50 564.50 613.50 530.00 433.00 229.00 100.50 117.44 e 196.00 444.00 732.00 e 751.50 5340.94
2011 798.77 a 767.00 699.64 b 657.00 500.00 260.50 154.43 d 85.25 a 135.58 d 436.50 711.50 930.00 a 6136.16
2012 807.50 683.50 744.00 d 452.07 a 382.50 255.52 a 47.50 l 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3325.09
Period of Record Statistics
MEAN 835.70 669.30 640.25 490.34 346.40 187.67 76.61 76.44 181.43 420.80 643.70 807.50 5393.67
S.D. 107.62 85.47 76.88 82.82 76.16 55.24 35.98 33.90 60.69 62.75 82.84 81.18 370.45
SKEW 0.65 0.15 -0.45 -0.18 -0.03 0.04 0.26 0.21 0.14 -0.32 0.30 0.41 -0.06
MAX 1154.23 874.00 792.00 666.00 590.00 313.50 159.50 147.50 312.00 544.00 883.50 1020.50 6149.00
MIN 629.50 470.00 398.35 225.56 173.50 57.00 16.50 13.00 64.50 261.43 434.50 601.63 4341.91
NO YRS 83 84 87 81 79 76 84 83 78 78 79 80 52