VANCOUVER 4 NNE, WA

Monthly Sum of Heating Degree Days (Degrees Fahrenheit)

(458773)

Base Temperature = 65 F

File last updated on Mar 31, 2015
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.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
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)JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECANN
1856-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1857-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1858-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1859-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1860-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1861-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1862-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1863-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1864-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1865-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1866-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1867-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1868-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1869-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1870-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1871-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1872-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1873-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1874-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1875-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1876-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1877-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1878-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1879-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1880-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1881-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1882-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1883-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1884-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1885-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1886-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1887-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1888-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1889-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1890-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1891-----z-----z-----z-----z-----z-----z-----z33.00a163.50 278.00 511.50 716.38b1702.38g
1892762.41b633.00 481.00 -----z-----z-----z-----z-----z-----z-----z-----z-----z1876.41i
1893-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1894-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1895-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z638.00 736.55b1374.55j
1896742.00 572.50 625.00 516.00a377.00 162.50 21.00 41.00 229.00 390.50 819.25b702.50 5198.25
1897822.50a645.00 728.00 362.50 191.50 137.50 67.00 18.50 226.00 392.00 625.00 717.50 4933.00
1898832.50 563.00 667.50 415.50 309.00 133.00 50.50 33.00 130.00 430.50 623.00 868.97b5056.47
1899755.89c692.50a650.00 480.00 418.50 207.00 51.00 145.50 131.00 441.50 410.00 708.50 5091.39
1900708.00 616.50a427.00 415.50 263.00 92.50 51.00 97.50 208.50 445.00 602.50 625.71c4552.71
1901811.50 661.00 580.00 492.50 284.50 233.00 119.50 34.00a247.00a250.50 510.50 756.50 4980.50
1902871.00 599.50 600.50 455.50 287.50 172.50 109.50 93.00 201.00 362.50 584.00 793.00 5129.50
1903727.00 700.00 622.50 479.00 263.00 85.00 59.50 34.50 155.50 323.50 598.50 798.00 4846.00
1904724.14b713.50 678.00 337.00 264.50 100.50 40.00 22.00 161.00 297.50 450.00 707.50 4495.64
1905804.50 655.00 427.50 314.50 273.00 103.00 23.50 35.00 98.00 434.50 637.00 809.50 4615.00
1906721.00 602.50 625.00 298.50 238.00 149.50 0.50 1.50 119.00 292.50 591.50 720.00 4359.50
1907950.69b590.00 640.00 426.50 215.50 124.50 11.00 40.50 126.50 260.00 527.50 692.00a4604.69
1908748.00 687.00 601.00 404.00 394.50 158.00 22.00 67.00 170.00 405.50 522.00 837.00 5016.00
19091009.00a620.00 557.00 446.00 331.50 92.00 68.50 48.00 115.00 360.50 573.00 932.00 5152.50
1910900.50 754.50 422.50 360.00 187.00 130.00 13.00 61.00 147.00 322.50 579.50 724.00 4601.50
1911853.50 688.50 517.50 488.00 345.00 157.50 31.50 21.50 198.00 354.50 591.00 748.00 4994.50
1912760.50 595.00 597.50 452.00 195.00 96.00 42.50a59.00 131.50 450.00 536.50a740.00 4655.50
1913861.50 733.00 650.00 417.50 249.00 92.00 45.00 34.00 129.00 408.00 569.50 826.50 5015.00
1914644.00 644.50 457.50 334.50a172.50 161.00 19.50a24.50 183.50 274.50 570.00 951.00 4437.00
1915863.50 598.00 417.00 309.50 251.00 120.50 30.50 2.50 110.50 317.50 626.00 777.00 4423.50
19161123.50 719.50 590.00 392.50 346.00 144.00 85.50 39.00 139.00 410.00 713.50 876.00 5578.50
1917846.00 689.50 731.00 515.50 336.50 147.00 21.00 8.00 111.50 302.00 512.00 548.50 4768.50
1918662.50 692.50 588.50 404.50 324.00 49.00 37.00 44.50 49.50 316.00 599.50 756.00 4523.50
1919779.00 657.00 529.50a373.00 289.00 171.00 45.50 27.50 134.00 487.00 654.00 1061.00 5207.50
1920862.50 709.00 623.00 522.00 341.00 156.50 24.00 44.50 163.50 393.50 612.50 696.50 5148.50
1921748.00 585.00 536.50 449.00 274.50 73.50 41.00 27.00 187.00 299.00 542.50 832.24b4595.24
1922980.00 739.50 687.50 504.50 273.50 61.00 30.00 25.00a113.00 323.00a709.50 895.50 5342.00
1923510.50h813.50 593.00 364.00 273.50 151.50 32.50 11.50 97.00 326.50 517.50 760.00 3940.50a
1924894.00 526.50 614.00 396.00 172.50 100.00 35.50 41.00 124.50 353.00 650.50 970.00 4877.50
1925683.50 546.00 563.50 359.50 166.50 127.50 18.00 73.50 119.00 341.50 606.00 657.50 4262.00
1926763.50 510.50 402.50 221.50 242.00 78.00 15.00 19.00a173.50 288.00 525.50 796.00 4035.00
1927852.00 591.50 594.00 422.50 332.00 91.50 24.50 31.50 159.50 351.50 488.00 839.44d4777.94
1928879.50 654.50 465.50 433.50 153.00 126.50 40.00 24.00 139.50 332.50a557.50 794.00 4600.00
1929923.89d848.00 546.00 477.50 240.00 125.50 14.00 16.00 95.50 249.00 655.00 644.50 4834.89
19301191.00 539.00 481.00 255.50a315.50 115.50 26.00 8.00 102.00 374.50 599.50 775.00 4782.50
1931677.00 584.50 512.00 313.50 134.00 92.50 7.00 11.50 124.00 323.50 655.50 808.50 4243.50
1932769.66b696.50 500.17b356.00 233.00 85.00 36.50 32.50 66.50 283.50 505.00 836.67d4400.99
1933795.00 769.50 573.00 410.00 332.50 118.50 11.00 31.00 180.00 264.00 564.50 601.03b4650.03
1934574.44d473.00 341.00 199.50 161.00 79.50 17.50 6.00 119.50 272.00 456.48c678.00 3377.93
1935805.00 573.00 648.50 415.50 224.50 78.50 59.00 21.00 26.00 423.00 714.50 760.00 4748.50
1936672.93b885.11b642.50 289.50 167.00a55.00 8.50 3.50 98.00 258.50 655.00 697.50 4433.04
19371081.55b705.50 500.00 473.00 227.00 64.00 14.50 39.50 100.00 218.00 486.00 694.00 4603.05
1938763.00 647.00 580.00 329.50 223.00 70.00 28.50 34.50 18.50 267.50 638.50 691.50 4291.50
1939691.50 698.50 523.00 309.50 189.50 132.50 27.00 20.50 80.50 288.50 520.00 610.00 4091.00
1940758.50 553.50 436.00 330.00 140.00 51.00 3.50 0.50 51.50 232.00 653.50 679.50 3889.50
1941718.00 516.50 378.00 298.50 221.50 99.50 2.50 24.00 143.50 301.00 494.50 661.00a3858.50
1942933.50 611.50 565.00 352.50 258.00 149.00 10.50 20.50 60.50 272.50 611.00 662.50 4507.00
1943972.50 593.00 594.00 296.50 274.00 146.50 28.50 20.50 38.50 299.48b538.50a771.00 4572.98
1944777.00 652.50 593.50 404.00 232.00 121.00 24.50 31.00 78.50 193.50 567.00 806.50 4481.00
1945689.00 572.50 595.50a427.50 206.50 143.50 24.00 16.50 141.50 311.00 574.50 759.50 4461.50
1946735.50 598.00 552.00 391.50 160.50 126.00 32.00 30.00 111.50 434.00 625.00 716.50 4512.50
1947848.00 522.00 431.00 293.50a157.00 114.50 18.00 45.50 88.00 308.50 542.00 648.00a4016.00
1948779.50 703.00 631.00 479.00 277.00 59.50 43.50a32.00 134.50 355.50 619.50 846.00 4960.00
19491120.00 723.50 574.50 317.50 168.00 103.00 46.00 16.00 53.50 463.00 432.00 733.00 4750.00
19501157.50 718.00 619.00 454.50 277.00 99.50 19.50 18.00 90.50 383.00 548.50 577.00 4962.00
1951775.00a601.50 693.50 297.50 216.50 -----z14.00 26.50 57.50 332.50 582.50 828.00 4425.00a
1952900.50 678.50 627.00 357.50 228.00 143.00 17.50 19.00 62.00 174.00 708.00 716.50 4631.50
1953543.00 573.50 570.00 436.00 286.00 183.00 24.00 27.00 75.00 284.50 481.50 669.00 4152.50
1954808.00 615.00 630.50 433.50a241.00 200.00 72.00 60.50 118.00 362.00 455.50 730.50 4726.50
1955790.00 679.50 721.50 547.00a362.50 152.50 98.50 38.00 144.00 334.50 678.50a755.00a5301.50
1956725.00a842.50 617.00 344.50 171.50 169.50 20.00 40.50 101.00 402.50 653.00 726.00a4813.00
19571058.00 636.00 546.00a376.00 168.00a87.50 26.00 24.50 19.00 361.50 613.50 647.50 4563.50
1958653.50 441.50 574.00 400.00 110.50 60.00 3.10b2.00 90.50 255.50 570.50 649.00 3810.10
1959738.00 639.00 544.50a389.50 289.50 103.00 32.50 28.50 137.50a308.00 609.50 774.00 4593.50
1960927.00 656.00 604.50 403.50 334.00 89.00 16.50a65.00 101.00 294.00 566.00 791.00a4847.50
1961652.50 523.50 541.50 435.00 254.50 58.50 13.00a4.00 154.00a372.50 642.00a757.50 4408.50
1962841.00 640.50 625.50 334.00a356.50 129.00 52.50 28.50a54.00 297.00 481.09b679.50 4519.09
1963931.00 433.50a579.50 450.00 239.00 157.00a63.50 21.00 44.50a291.50 549.00 773.50a4533.00
1964738.50 678.00 617.50 505.00 344.00 168.00 50.50 65.00a151.00 332.50 693.00 824.00a5167.00
1965760.18c577.50 525.00 358.00 327.00 104.50 22.00 15.00 117.00 229.00 461.50 748.50a4245.18
1966741.72b633.00 576.00 375.00 232.50 98.50a96.50 75.00 123.54e416.50 572.00 663.10b4603.37
1967672.00 635.00 682.50 583.00 311.00 101.00 52.00 27.50 64.00 361.50 566.00 778.00 4833.50
1968746.25c558.00 525.00 415.50f300.54c178.83c70.00 103.00 169.00 430.50 593.50 876.00 4550.62a
19691042.00 740.00 610.00 477.50 230.50a75.50 67.00 113.50 142.00 435.50 572.00 741.50 5247.00
1970800.00 564.50a627.00 541.50a350.50 122.50a77.00 82.00a250.00 461.50 565.50 809.50 5251.50
1971807.50 648.50 710.00d524.00 318.50 246.50a68.00a32.00 219.50a462.50 595.50a821.50 5454.00
1972863.50 705.50 564.50 582.00 250.00a164.50 31.50 48.00 265.00 459.00 600.41c911.00a5444.91
1973847.24b658.50 623.50 485.00 302.00 194.00 77.00 142.50 179.50 447.00 689.50 682.00 5327.74
1974936.00 679.00 648.50 511.00 418.50 158.00 111.00 84.00 103.50a428.00 594.50 731.00 5403.00
1975791.50 725.50 709.50 638.00 354.50 218.50 63.50 161.00 159.50 442.50 671.50 752.00a5687.50
1976795.00 724.00a727.50 550.50 362.00 275.50 117.50a139.50 172.50 435.00a592.50 810.00 5701.50
1977988.00 628.50 669.50a441.50 427.00 146.50 107.07b62.00 233.00 451.50 690.50 743.00 5588.07
1978792.50 609.00 545.00 478.00 395.50 113.50 73.00 88.00 -----z418.00 836.50 968.00 5317.00a
19791099.50a718.00 561.50 493.50 297.00 159.00 73.00 65.50 130.50 350.00 700.00 687.50a5335.00
1980993.50 717.00 664.00 426.50 336.00 228.50a57.00a113.50 177.00 391.50 562.00 722.50 5389.00
1981746.00 650.50 570.50 492.50 337.50 209.50 115.00 67.50 164.50 456.00 547.00 700.50a5057.00
1982830.50a676.00 644.50 576.00 333.50a133.00 93.00 86.00 189.00 384.00a690.50 -----z4636.00a
1983711.50 543.50a517.00 477.00 271.00 190.50a110.50 44.00 252.50 452.50a538.00 981.50 5089.50
1984739.00a-----z502.50a511.12b378.00 219.00 82.00a86.50 194.00 476.50 602.00a901.50 4692.12a
1985972.00 739.90b682.00 447.00 338.50 177.50 16.00 92.14c259.50 466.00 860.50 983.28b6034.32
1986688.50a629.50 473.00 501.50 328.50a94.50 115.50 12.00 219.00 346.00 596.00 795.50a4799.50
1987832.50 609.00 562.50 393.50 241.00 135.00 90.50 46.00 140.50 336.00 547.38b851.00 4784.88
1988803.50a654.50 592.50a421.00 347.00 180.00 70.00 96.50 178.50 271.50a579.50 774.50 4969.00
1989748.50 800.00a653.00 352.00 276.50 102.50 85.50 72.00 120.50 383.00a554.00 796.50 4944.00
1990717.50 707.50 530.00 371.50 318.50a133.50 33.50a42.00 82.00 454.50 584.00 988.00 4962.50
1991846.00 495.00 648.50 477.00 369.00a227.50 54.00 54.50 108.50 393.00 574.00 759.50 5006.50
1992664.29c532.50 474.00 366.00 213.00 102.00 32.07b39.00a155.00 296.00a587.50a817.00 4278.35
1993881.50a700.96b541.50a428.50 181.00 147.50 96.00a67.50 131.00 303.00a725.52b749.50a4953.48
1994675.00 692.50a495.00 374.50a218.00 174.50 32.50 27.00 67.50a449.50 717.75d727.50a4651.25
1995702.00a566.00a586.00 463.50 217.00 161.11c30.50a-----z46.00 418.50a471.50 756.50 4418.61a
1996776.00 719.00a582.86c401.00 332.00a136.50 39.44d60.00e184.20c413.50 585.50a719.50a4949.51
1997777.50 642.50 585.00a467.62b181.50 133.00 37.00 11.00 89.50 411.50 480.00a786.00a4602.12
1998715.50 559.00 529.00a415.00a321.00a110.00 21.50 28.00 89.50 404.00 540.12b771.00a4503.62
1999717.32c614.25b624.00 455.00a337.00 189.00 70.00 52.50 159.00 376.50a483.00 671.50a4749.07
2000787.00a611.00a641.00 349.00a236.90b123.00 53.50 68.00 146.04b343.50a697.00a768.10b4824.04
2001745.18c658.90b554.48b500.77b284.50 202.50a50.00a50.00a130.50a411.72b542.50 791.50 4922.56
2002786.50 598.50a679.66b463.50 339.00a131.50a43.50a46.50 133.50 416.50a574.30b691.07c4904.03
2003648.21c620.00 537.50a450.54b326.50a91.66b26.00 21.00 90.50a272.07b641.11b713.00a4438.09
2004857.68c605.63b486.50 367.00a239.00 96.50a16.50a16.50 110.63c311.25c576.89b693.00a4377.08
2005718.50a615.00a474.83b392.00a185.17b140.50a13.50 32.00 -----z295.00 634.89b848.00 4349.39a
2006643.97b708.00 633.00 389.95b-----z106.00 65.50a59.00 117.50 426.00 560.13c770.17b4479.21a
2007812.22d636.50 513.00a441.21b289.50 157.50 16.50 46.00a184.50 431.50 654.50 781.00 4963.94
2008882.50 659.50 673.00 586.50 307.00 221.50a56.50 59.00a144.50 437.00 529.00 863.00a5419.00
2009856.00 725.00 700.50 493.50 282.50 107.00 24.00 55.00 103.50 429.50 593.50 986.50 5356.50
2010641.00 556.00 587.50 485.00 356.50 201.50 71.50a62.00 128.50 360.00b589.32b676.00a4714.82
2011703.33d738.50 631.00 574.00 405.00 171.00a82.50 38.00 100.00 358.00 654.00 854.00 5309.33
2012801.50 668.50 670.00 429.00 321.00 190.00 34.50 44.50 116.50 368.00 609.50 765.50 5018.50
2013956.50 667.50 604.00 490.00 269.50 125.00 33.00 12.50 139.00 474.50 658.50 980.00 5410.00
2014817.50 788.50 589.00 460.00 240.50 151.00 29.00 14.00 87.00 265.00 642.00 731.00 4814.50
2015749.00 542.50 -----z-----z-----z-----z-----z-----z-----z-----z-----z-----z1291.50j
Period of Record Statistics
MEAN809.08 643.95 579.47 422.66 273.64 134.51 44.83 44.13 131.11 357.53 591.80 768.64 4797.16
S.D.121.83 81.15 79.81 80.96 70.59 46.68 30.00 32.07 53.24 71.72 78.22 93.98 442.05
SKEW0.88 0.13 -0.47 -0.07 -0.07 0.45 0.82 1.35 0.31 -0.18 0.55 0.66 -0.13
MAX1191.00 885.11 731.00 638.00 427.00 275.50 119.50 161.00 265.00 487.00 860.50 1061.00 6034.32
MIN543.00 433.50 341.00 199.50 110.50 49.00 0.50 0.50 18.50 174.00 410.00 548.50 3377.93
YRS120.00 120.00 120.00 118.00 118.00 118.00 119.00 119.00 118.00 120.00 121.00 120.00 110.00