VANCOUVER 4 NNE, WASHINGTON

Monthly Total Heating Degree Days

(458773)

Base Temperature = 65 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
1898 0.00 z 0.00 z 0.00 z 0.00 z 309.00 133.00 50.50 33.00 130.00 430.50 623.00 882.00 2591.00
1899 776.00 733.00 650.00 480.00 418.50 207.00 51.00 145.50 131.00 441.50 410.00 708.50 5152.00
1900 708.00 639.33 a 427.00 415.50 263.00 92.50 51.00 97.50 208.50 445.00 602.50 646.57 c 4596.40
1901 811.50 661.00 580.00 492.50 284.50 233.00 119.50 35.13 a 256.00 250.50 510.50 756.50 4990.63
1902 871.00 599.50 600.50 455.50 287.50 172.50 109.50 93.00 201.00 362.50 584.00 793.00 5129.50
1903 727.00 700.00 622.50 479.00 263.00 85.00 59.50 34.50 155.50 323.50 598.50 798.00 4846.00
1904 748.50 713.50 678.00 337.00 264.50 100.50 40.00 22.00 161.00 297.50 450.00 707.50 4520.00
1905 804.50 655.00 427.50 314.50 273.00 103.00 23.50 35.00 98.00 434.50 637.00 809.50 4615.00
1906 721.00 602.50 625.00 298.50 238.00 149.50 0.50 1.50 119.00 292.50 591.50 720.00 4359.50
1907 995.00 590.00 640.00 426.50 215.50 124.50 11.00 40.50 126.50 260.00 527.50 715.07 a 4672.07
1908 748.00 687.00 601.00 404.00 394.50 158.00 22.00 67.00 170.00 405.50 522.00 837.00 5016.00
1909 1042.63 a 620.00 557.00 446.00 331.50 92.00 68.50 48.00 115.00 360.50 573.00 932.00 5186.13
1910 900.50 754.50 422.50 360.00 187.00 130.00 13.00 61.00 147.00 322.50 579.50 724.00 4601.50
1911 853.50 688.50 517.50 488.00 345.00 157.50 31.50 21.50 198.00 354.50 591.00 748.00 4994.50
1912 760.50 595.00 597.50 452.00 195.00 96.00 43.92 a 59.00 131.50 450.00 555.00 a 740.00 4675.42
1913 861.50 733.00 650.00 417.50 249.00 92.00 45.00 34.00 129.00 408.00 569.50 826.50 5015.00
1914 644.00 644.50 457.50 346.03 a 172.50 161.00 20.15 a 24.50 183.50 274.50 570.00 951.00 4449.18
1915 863.50 598.00 417.00 309.50 251.00 120.50 30.50 2.50 110.50 317.50 626.00 777.00 4423.50
1916 1123.50 719.50 590.00 392.50 346.00 144.00 85.50 39.00 139.00 410.00 713.50 876.00 5578.50
1917 846.00 689.50 731.00 515.50 336.50 147.00 21.00 8.00 111.50 302.00 512.00 548.50 4768.50
1918 662.50 692.50 588.50 404.50 324.00 49.00 37.00 44.50 49.50 316.00 599.50 756.00 4523.50
1919 779.00 657.00 547.15 a 373.00 289.00 171.00 45.50 27.50 134.00 487.00 654.00 1061.00 5225.15
1920 862.50 709.00 623.00 522.00 341.00 156.50 24.00 44.50 163.50 393.50 612.50 696.50 5148.50
1921 748.00 585.00 536.50 449.00 274.50 73.50 41.00 27.00 187.00 299.00 542.50 849.00 4612.00
1922 980.00 739.50 687.50 504.50 273.50 61.00 30.00 25.83 a 113.00 333.77 a 709.50 895.50 5353.60
1923 510.50 h 813.50 593.00 364.00 273.50 151.50 32.50 11.50 97.00 326.50 517.50 760.00 3940.50
1924 894.00 526.50 614.00 396.00 172.50 100.00 35.50 41.00 124.50 353.00 650.50 970.00 4877.50
1925 683.50 546.00 563.50 359.50 166.50 127.50 18.00 73.50 119.00 341.50 606.00 657.50 4262.00
1926 763.50 510.50 402.50 221.50 242.00 78.00 15.00 19.63 a 173.50 288.00 525.50 796.00 4035.63
1927 852.00 591.50 594.00 422.50 332.00 91.50 24.50 31.50 159.50 351.50 488.00 871.00 4809.50
1928 879.50 654.50 465.50 433.50 153.00 126.50 40.00 24.00 139.50 343.58 a 557.50 794.00 4611.08
1929 965.00 848.00 546.00 477.50 240.00 125.50 14.00 16.00 95.50 249.00 655.00 644.50 4876.00
1930 1191.00 539.00 481.00 264.31 a 315.50 115.50 26.00 8.00 102.00 374.50 599.50 775.00 4791.31
1931 677.00 584.50 512.00 313.50 134.00 92.50 7.00 11.50 124.00 323.50 655.50 808.50 4243.50
1932 809.50 696.50 521.00 356.00 233.00 85.00 36.50 32.50 66.50 283.50 505.00 863.00 4488.00
1933 795.00 769.50 573.00 410.00 332.50 118.50 11.00 31.00 180.00 264.00 564.50 608.50 4657.50
1934 604.00 473.00 341.00 199.50 161.00 79.50 17.50 6.00 119.50 272.00 465.52 a 678.00 3416.52
1935 805.00 573.00 648.50 415.50 224.50 78.50 59.00 21.00 26.00 423.00 714.50 760.00 4748.50
1936 692.50 913.50 642.50 289.50 172.57 a 55.00 8.50 3.50 98.00 258.50 655.00 697.50 4486.57
1937 1122.00 705.50 500.00 473.00 227.00 64.00 14.50 39.50 100.00 218.00 486.00 694.00 4643.50
1938 763.00 647.00 580.00 329.50 223.00 70.00 28.50 34.50 18.50 267.50 638.50 691.50 4291.50
1939 691.50 698.50 523.00 309.50 189.50 132.50 27.00 20.50 80.50 288.50 520.00 610.00 4091.00
1940 758.50 553.50 436.00 330.00 140.00 51.00 3.50 0.50 51.50 232.00 653.50 679.50 3889.50
1941 718.00 516.50 378.00 298.50 221.50 99.50 2.50 24.00 143.50 301.00 494.50 683.03 a 3880.53
1942 933.50 611.50 565.00 352.50 258.00 149.00 10.50 20.50 60.50 272.50 611.00 662.50 4507.00
1943 972.50 593.00 594.00 296.50 274.00 146.50 28.50 20.50 38.50 297.00 559.00 771.00 4591.00
1944 777.00 652.50 593.50 404.00 232.00 121.00 24.50 31.00 78.50 193.50 567.00 806.50 4481.00
1945 689.00 572.50 615.35 a 427.50 206.50 143.50 24.00 16.50 141.50 311.00 574.50 759.50 4481.35
1946 735.50 598.00 552.00 391.50 160.50 126.00 32.00 30.00 111.50 434.00 625.00 716.50 4512.50
1947 848.00 522.00 431.00 294.00 157.00 114.50 18.00 45.50 88.00 308.50 542.00 669.00 4037.50
1948 779.50 703.00 631.00 479.00 277.00 59.50 44.95 a 32.00 134.50 355.50 619.50 846.00 4961.45
1949 1120.00 723.50 574.50 317.50 168.00 103.00 46.00 16.00 53.50 463.00 432.00 733.00 4750.00
1950 1157.50 718.00 619.00 454.50 277.00 99.50 19.50 18.00 90.50 383.00 548.50 577.00 4962.00
1951 800.83 a 601.50 693.50 297.50 216.50 0.00 z 14.00 26.50 57.50 332.50 582.50 828.00 4450.83
1952 900.50 678.50 627.00 357.50 228.00 143.00 17.50 19.00 62.00 174.00 708.00 716.50 4631.50
1953 543.00 573.50 570.00 436.00 286.00 183.00 24.00 27.00 75.00 284.50 481.50 669.00 4152.50
1954 808.00 615.00 630.50 450.50 241.00 200.00 72.00 60.50 118.00 362.00 455.50 730.50 4743.50
1955 790.00 679.50 721.50 565.86 a 362.50 152.50 98.50 38.00 144.00 334.50 695.00 777.00 5358.86
1956 761.50 842.50 617.00 344.50 171.50 169.50 20.00 40.50 101.00 402.50 653.00 753.50 4877.00
1957 1058.00 636.00 564.00 376.00 172.00 87.50 26.00 24.50 19.00 361.50 613.50 647.50 4585.50
1958 653.50 441.50 574.00 400.00 110.50 60.00 3.21 b 2.00 90.50 255.50 570.50 649.00 3810.21
1959 738.00 639.00 559.50 389.50 289.50 103.00 32.50 28.50 142.24 a 308.00 609.50 774.00 4613.24
1960 927.00 656.00 604.50 403.50 334.00 89.00 23.50 65.00 101.00 294.00 566.00 810.50 4874.00
1961 652.50 523.50 541.50 435.00 254.50 58.50 13.43 a 4.00 158.50 372.50 661.00 757.50 4432.43
1962 841.00 640.50 625.50 348.00 356.50 129.00 52.50 30.50 54.00 297.00 495.00 679.50 4549.00
1963 931.00 462.50 579.50 450.00 239.00 157.00 63.50 21.00 44.50 291.50 549.00 798.00 4586.50
1964 738.50 678.00 617.50 505.00 344.00 168.00 50.50 67.17 a 151.00 332.50 693.00 857.00 5202.17
1965 790.00 577.50 525.00 358.00 327.00 104.50 22.00 15.00 117.00 229.00 461.50 775.50 4302.00
1966 774.00 633.00 576.00 375.00 232.50 101.00 96.50 75.00 127.80 e 416.50 572.00 685.21 b 4664.51
1967 672.00 635.00 682.50 583.00 311.00 101.00 52.00 27.50 64.00 361.50 566.00 778.00 4833.50
1968 771.12 c 558.00 525.00 415.50 f 310.55 c 185.00 c 70.00 103.00 169.00 430.50 593.50 876.00 4591.68
1969 1042.00 740.00 610.00 477.50 236.50 75.50 67.00 113.50 142.00 435.50 572.00 741.50 5253.00
1970 800.00 581.00 627.00 560.17 a 350.50 122.50 77.00 82.00 250.00 461.50 565.50 809.50 5286.67
1971 807.50 648.50 735.14 c 524.00 318.50 255.00 a 70.27 a 32.00 227.07 a 462.50 613.00 821.50 5514.98
1972 863.50 705.50 564.50 582.00 258.33 a 164.50 31.50 48.00 265.00 459.00 621.11 c 931.00 5493.94
1973 875.48 b 658.50 623.50 485.00 302.00 194.00 77.00 142.50 179.50 447.00 689.50 682.00 5355.98
1974 936.00 679.00 648.50 511.00 418.50 158.00 111.00 84.00 112.00 428.00 594.50 731.00 5411.50
1975 791.50 725.50 709.50 638.00 354.50 218.50 63.50 161.00 159.50 442.50 671.50 780.00 5715.50
1976 795.00 749.00 727.50 550.50 362.00 275.50 117.50 139.50 172.50 449.50 a 592.50 810.00 5741.00
1977 988.00 628.50 691.82 a 441.50 427.00 146.50 110.64 b 62.00 233.00 451.50 690.50 743.00 5613.95
1978 792.50 609.00 545.00 478.00 395.50 113.50 73.00 88.00 0.00 z 418.00 836.50 968.00 5317.00
1979 1142.50 718.00 561.50 493.50 297.00 159.00 73.00 65.50 130.50 350.00 700.00 703.50 5394.00
1980 993.50 717.00 664.00 426.50 336.00 242.50 58.90 a 113.50 177.00 391.50 562.00 722.50 5404.90
1981 746.00 650.50 570.50 492.50 337.50 209.50 115.00 67.50 164.50 456.00 547.00 715.50 5072.00
1982 857.00 676.00 644.50 576.00 339.00 133.00 93.00 86.00 189.00 403.50 690.50 0.00 z 4687.50
1983 711.50 561.00 517.00 477.00 271.00 192.50 110.50 43.50 252.50 462.50 538.00 981.50 5118.50
1984 766.50 0.00 z 515.50 532.50 378.00 219.00 83.00 86.50 194.00 476.50 621.50 901.50 4774.50
1985 972.00 758.50 682.00 447.00 338.50 177.50 16.00 92.50 259.50 466.00 867.00 1018.00 6094.50
1986 711.00 629.50 473.00 501.50 328.50 94.50 115.50 12.00 219.00 346.00 596.00 825.00 4851.50
1987 832.50 609.00 562.50 393.50 241.00 135.00 90.50 46.00 140.50 336.00 563.79 a 851.00 4801.29
1988 831.50 654.50 605.00 421.00 347.00 180.00 70.00 96.50 178.50 282.50 579.50 774.50 5020.50
1989 748.50 854.50 653.00 352.00 276.50 102.50 85.50 72.00 120.50 398.00 560.50 796.50 5020.00
1990 717.50 707.50 530.00 371.50 331.00 133.50 33.50 42.00 82.00 454.50 584.00 988.00 4975.00
1991 846.00 495.00 653.50 477.00 376.50 0.00 z 54.00 54.50 108.50 393.00 574.00 759.50 4791.50
1992 698.00 532.50 474.00 366.00 213.00 102.00 31.00 39.00 155.00 311.00 599.00 817.00 4337.50
1993 915.00 732.50 559.50 428.50 181.00 147.50 96.00 67.50 131.00 312.00 768.00 780.00 5118.50
1994 675.00 723.00 495.00 381.00 218.00 174.50 32.50 27.00 69.00 449.50 729.00 739.00 4712.50
1995 725.50 577.00 586.00 463.50 217.00 150.00 30.50 0.00 z 51.00 428.50 471.50 756.50 4457.00
1996 776.00 740.50 584.50 402.00 342.50 136.50 31.50 57.50 203.50 410.00 599.50 742.50 5026.50
1997 777.50 642.50 606.50 475.00 181.50 133.00 39.00 11.00 89.50 411.50 498.50 806.00 4671.50
1998 715.50 559.00 549.00 426.00 324.50 110.00 22.00 28.00 89.50 404.00 559.00 821.00 4607.50
1999 745.00 638.00 624.50 462.50 337.50 189.50 70.00 52.50 156.00 375.00 483.00 698.00 4831.50
2000 817.50 631.00 641.00 361.50 256.00 123.00 53.50 68.00 145.50 359.00 724.00 797.50 4977.50
2001 772.00 678.50 575.50 508.50 284.50 203.00 54.50 50.00 130.50 429.00 542.50 791.50 5020.00
2002 786.50 631.50 693.50 457.50 343.00 135.00 43.50 46.50 133.50 438.00 585.50 710.00 5004.00
2003 661.50 620.00 554.00 463.00 321.50 110.50 26.00 21.00 98.50 264.50 682.50 729.50 4552.50
2004 885.50 631.00 495.50 376.00 231.50 96.50 18.00 16.50 121.50 314.50 603.00 713.50 4503.00
2005 749.50 647.00 503.50 412.00 195.50 147.50 13.00 32.00 0.00 z 295.00 654.50 848.00 4497.50
2006 660.00 708.00 633.00 408.00 222.50 54.44 c 13.50 j 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2685.94
Period of Record Statistics
MEAN 818.63 648.41 577.66 419.05 271.26 131.03 44.93 44.61 130.29 356.13 592.13 772.93 4791.36
S.D. 126.68 84.15 79.45 80.89 70.68 47.15 30.74 33.31 54.20 72.86 79.60 93.49 452.29
SKEW 0.90 0.24 -0.49 -0.03 -0.03 0.57 0.83 1.32 0.32 -0.14 0.53 0.56 -0.01
MAX 1191.00 913.50 735.14 638.00 427.00 275.50 119.50 161.00 265.00 487.00 867.00 1061.00 6094.50
MIN 543.00 441.50 341.00 199.50 110.50 49.00 0.50 0.50 18.50 174.00 410.00 548.50 3416.52
NO YRS 107 107 108 107 109 107 108 107 106 108 108 107 98