BLAINE, WASHINGTON

Monthly Total Heating Degree Days

(450729)

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
1893 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 570.50 807.50 0.00 z 1378.00
1894 966.00 853.00 0.00 z 592.00 0.00 z 225.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2636.50
1895 989.00 0.00 z 704.50 0.00 z 0.00 z 204.50 146.00 0.00 z 413.00 0.00 z 746.50 0.00 z 3203.50
1896 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 194.50 379.50 0.00 z 0.00 z 0.00 z 574.00
1897 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 956.50 956.50
1898 1007.00 738.00 894.50 0.00 z 0.00 z 0.00 z 190.00 0.00 z 313.00 600.50 0.00 z 1020.50 4763.50
1899 0.00 z 0.00 z 0.00 z 0.00 z 562.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 562.50
1900 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
1901 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
1902 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 266.50 k 485.00 684.00 802.00 1971.00
1903 803.50 810.50 799.00 572.50 399.50 162.00 182.00 179.50 330.00 506.50 641.00 774.00 6160.00
1904 807.00 824.50 760.50 467.50 401.50 254.00 138.50 219.50 310.50 439.00 507.50 712.00 5842.00
1905 838.00 739.00 554.50 480.50 377.00 191.00 98.50 161.50 262.50 623.50 719.50 756.50 5802.00
1906 767.00 642.00 662.50 442.00 340.00 204.00 22.00 108.00 0.00 z 0.00 z 665.00 0.00 z 3852.50
1907 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 251.50 456.00 0.00 z 761.00 1468.50
1908 793.50 759.50 683.00 522.50 420.50 214.50 105.00 161.50 337.00 523.50 551.00 873.50 5945.00
1909 1099.00 691.50 696.50 567.50 416.00 226.50 183.50 208.00 279.50 490.50 659.00 986.50 6504.00
1910 907.00 859.50 634.00 553.00 337.00 308.00 165.50 246.00 275.00 457.00 679.00 757.50 6178.50
1911 1029.50 787.50 700.00 624.00 406.50 287.50 140.00 168.50 313.00 514.50 752.00 829.00 6552.00
1912 898.50 685.50 771.00 545.00 321.00 208.00 140.00 177.00 295.50 504.00 616.55 a 779.00 5941.05
1913 988.00 0.00 z 776.00 493.45 a 398.00 220.00 133.50 120.50 290.50 549.00 675.00 784.00 5427.95
1914 747.00 739.00 630.00 452.00 324.00 233.00 130.50 182.50 317.50 414.00 633.00 922.50 5725.00
1915 852.00 634.00 551.00 428.50 306.50 193.00 100.50 128.00 289.00 444.50 720.50 795.50 5443.00
1916 1242.00 820.50 702.50 529.00 438.00 234.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3966.50
1917 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 40.50 r 228.50 0.00 z 497.00 811.50 1537.00
1918 744.00 762.50 672.50 487.00 339.00 136.50 106.50 97.00 179.00 395.50 622.50 781.00 5323.00
1919 784.50 731.50 683.00 467.00 358.50 242.00 133.00 106.50 201.00 580.50 678.50 857.00 5823.00
1920 897.00 729.50 663.00 575.00 420.00 207.00 72.50 77.00 247.00 517.50 590.50 726.50 5722.50
1921 807.00 660.00 665.00 531.00 362.00 168.00 148.50 114.00 277.50 454.50 657.50 917.00 5762.00
1922 943.00 813.00 728.00 560.00 361.50 148.50 105.00 111.50 203.00 402.00 703.00 934.00 6012.50
1923 849.50 869.04 a 705.50 465.50 329.50 161.38 a 60.50 59.50 224.50 423.48 c 518.00 f 760.65 d 4909.05
1924 838.07 b 563.89 b 673.22 a 392.00 g 213.50 f 145.00 g 74.50 i 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2075.17
1925 0.00 z 596.30 a 487.50 448.50 179.00 h 254.42 d 29.97 a 0.00 z 232.50 614.50 590.00 665.98 a 3919.67
1926 827.00 592.00 601.00 423.50 347.50 188.00 102.50 168.50 378.50 438.00 609.00 841.50 5517.00
1927 873.00 660.00 707.50 565.50 423.00 173.50 105.00 113.00 259.50 453.50 700.50 1026.50 6060.50
1928 798.00 715.00 617.50 501.50 307.00 195.50 87.00 170.00 323.50 510.00 610.50 844.00 5679.50
1929 1060.00 907.00 670.50 587.50 401.50 229.50 142.50 139.00 277.50 428.50 726.50 841.50 6411.50
1930 1188.50 667.50 693.00 443.50 409.00 239.00 150.00 125.00 264.50 574.50 729.50 757.00 6241.00
1931 676.00 678.00 621.50 438.00 318.00 222.00 118.50 158.00 262.00 499.00 765.50 810.50 5567.00
1932 933.00 771.50 627.00 484.00 365.00 199.50 174.50 121.50 275.50 447.00 560.50 890.73 a 5849.73
1933 906.00 906.00 796.70 a 624.50 503.50 190.50 112.00 106.00 316.00 454.00 695.00 791.00 6401.20
1934 706.50 662.00 0.00 z 380.69 a 301.00 142.00 h 130.00 133.50 275.50 426.50 507.00 809.50 4332.19
1935 884.50 627.00 734.50 590.00 380.00 202.50 157.00 119.50 211.00 520.50 726.50 711.50 5864.50
1936 752.00 1057.50 745.00 489.00 297.50 131.00 82.00 100.00 289.00 425.50 745.50 715.50 5829.50
1937 1220.00 787.50 560.50 471.00 326.00 130.50 50.50 134.50 196.50 386.00 608.00 779.50 5650.50
1938 806.00 718.00 660.41 c 474.00 338.00 147.00 85.00 172.00 190.00 446.50 720.50 821.50 5578.91
1939 742.00 817.50 695.00 483.00 347.50 260.50 130.00 84.00 l 259.00 0.00 z 591.50 629.50 4955.50
1940 730.00 615.00 565.00 430.50 258.00 123.00 65.50 44.50 109.50 358.00 571.00 f 604.50 g 3299.00
1941 695.36 b 597.00 508.00 413.00 322.00 182.50 39.50 69.50 233.89 c 425.00 420.00 g 769.50 4255.25
1942 840.00 689.00 682.00 464.50 313.00 185.00 26.50 41.50 224.00 264.00 h 671.54 d 717.00 4854.04
1943 1037.50 604.00 655.50 387.50 321.00 171.00 88.50 108.50 188.00 412.82 a 624.50 797.00 5395.82
1944 781.50 705.50 679.00 459.00 319.00 178.50 86.00 110.00 168.00 377.00 574.00 869.00 5306.50
1945 469.50 n 631.50 669.50 553.00 290.00 209.00 95.00 133.50 352.50 528.50 736.50 832.00 5031.00
1946 743.50 691.00 693.50 571.50 296.00 215.50 52.00 105.00 260.00 589.50 807.00 860.00 5884.50
1947 993.00 679.50 670.50 440.00 253.00 119.00 83.00 146.50 284.50 478.00 741.50 791.00 5679.50
1948 856.00 829.50 684.00 547.50 349.50 90.50 77.00 122.50 306.00 529.50 707.00 983.00 6082.00
1949 1125.00 867.50 667.50 504.00 304.50 196.00 130.00 115.50 222.00 576.00 514.00 900.00 6122.00
1950 1384.00 741.50 720.50 543.50 430.00 139.50 80.00 95.50 263.50 513.00 707.50 682.50 6301.00
1951 893.00 756.00 830.50 520.50 326.50 122.00 66.50 114.50 223.50 479.50 671.50 946.50 5950.50
1952 960.00 728.00 706.00 523.50 359.50 278.50 106.50 102.50 220.00 428.50 730.50 744.00 5887.50
1953 688.50 684.00 672.50 507.00 320.00 262.50 92.00 96.00 245.00 426.50 540.00 724.00 5258.00
1954 1017.00 654.00 766.00 594.00 362.50 275.00 173.50 155.00 219.50 489.80 a 516.50 746.00 5968.80
1955 827.00 774.00 835.50 604.50 447.00 236.00 182.50 181.50 289.00 483.60 a 840.50 903.00 6604.10
1956 869.00 875.50 746.50 490.00 303.00 243.00 93.50 109.50 259.00 517.70 a 737.00 819.00 6062.70
1957 1136.50 821.33 a 664.00 474.00 249.50 161.50 173.00 143.00 181.00 477.50 666.50 665.50 5813.33
1958 679.50 530.50 647.50 485.50 230.50 81.50 12.00 i 48.50 212.50 433.50 697.50 742.00 4789.00
1959 829.50 732.00 657.00 531.50 361.00 175.50 61.00 n 147.50 270.50 474.00 733.33 c 607.50 g 4911.83
1960 876.00 702.50 683.00 479.00 377.00 184.50 f 84.00 145.50 287.50 433.00 664.50 825.00 5557.00
1961 757.50 606.50 607.50 518.50 330.50 149.00 52.50 g 44.00 288.50 538.00 722.00 825.00 5387.00
1962 854.50 642.00 766.50 484.50 416.50 226.50 131.00 146.50 240.50 414.50 574.50 727.50 5625.00
1963 1002.00 573.00 676.50 500.50 341.50 193.85 d 102.50 h 90.50 135.50 360.50 623.00 790.00 5286.85
1964 748.50 727.50 678.00 570.50 408.00 216.00 142.37 d 126.00 287.50 453.50 742.50 986.50 6086.87
1965 911.50 695.50 727.50 478.50 432.00 214.00 92.50 29.50 r 309.83 a 396.50 599.00 863.00 5719.83
1966 869.50 674.00 658.48 b 539.00 390.50 243.50 163.27 a 124.50 194.50 496.52 a 638.00 696.00 5687.77
1967 764.50 648.00 721.00 588.50 346.50 109.00 84.00 42.48 d 150.00 389.50 630.00 839.50 5312.98
1968 825.50 644.50 583.00 536.00 336.50 209.00 75.00 124.00 a 260.50 475.00 629.00 977.50 5675.50
1969 1186.50 746.50 678.50 523.50 300.00 99.50 120.90 a 166.50 244.66 a 490.46 c 630.50 734.50 5922.02
1970 860.50 608.00 677.00 564.50 397.50 163.50 113.50 151.79 b 310.50 538.50 690.50 877.50 5953.29
1971 909.00 698.50 779.00 532.50 365.50 289.50 150.02 c 15.00 m 293.79 a 529.50 634.50 991.50 6173.31
1972 991.00 739.00 625.00 598.00 307.50 219.50 117.50 102.50 342.00 560.00 649.14 a 934.50 6185.64
1973 865.00 668.00 666.50 546.50 353.00 222.00 139.00 192.00 18.50 z 483.60 a 772.24 a 729.50 5637.34
1974 886.50 666.00 659.00 479.00 422.50 235.50 159.00 113.67 d 162.50 443.96 c 638.50 731.00 5597.13
1975 902.00 789.00 720.50 609.31 a 391.00 233.50 90.00 158.00 240.52 a 467.00 687.93 a 841.81 b 6130.57
1976 792.00 741.00 787.92 a 510.50 380.50 286.03 a 121.93 a 160.68 a 80.00 t 471.50 665.50 735.14 c 5652.71
1977 953.50 555.85 a 681.48 a 463.45 a 393.70 a 182.00 150.00 65.74 b 280.50 486.00 706.03 a 358.00 q 4918.26
1978 854.00 631.56 a 602.50 486.00 378.00 137.50 89.26 b 87.66 b 250.00 c 443.30 a 797.50 934.50 5691.77
1979 1058.50 734.50 631.00 506.25 b 295.50 175.00 91.50 100.00 147.78 c 298.00 k 741.00 683.00 5164.03
1980 1022.00 661.00 668.50 422.00 329.00 199.00 114.50 139.00 187.00 f 359.00 i 601.50 754.00 4910.50
1981 738.50 660.50 580.50 488.50 321.00 214.50 99.00 75.00 115.00 i 414.00 g 596.00 810.00 4583.50
1982 920.50 713.00 713.00 567.50 363.50 125.50 90.79 c 119.00 131.00 g 382.00 f 786.50 836.00 5235.29
1983 686.00 585.00 546.00 498.50 267.00 161.00 95.00 83.00 58.00 u 507.50 583.00 1031.50 5043.50
1984 780.00 636.50 579.18 a 495.50 366.50 183.75 b 100.00 97.00 86.50 r 533.41 b 672.50 1016.50 5460.85
1985 997.50 757.00 737.00 511.50 327.00 183.00 45.00 132.00 282.00 472.00 993.50 982.50 6420.00
1986 676.00 727.50 571.00 557.50 341.50 153.00 156.50 70.50 257.00 481.00 686.50 809.00 5487.00
1987 814.50 599.50 589.00 439.50 327.00 178.00 107.00 113.00 231.50 491.00 568.50 889.50 5348.00
1988 878.00 717.00 682.50 494.50 362.00 215.50 126.00 130.00 305.56 c 433.50 622.00 798.50 5765.06
1989 850.50 943.50 709.00 446.50 339.00 133.39 b 92.50 125.00 246.50 478.00 635.50 795.00 5794.39
1990 784.50 811.00 668.50 445.00 326.00 190.50 54.00 83.00 200.00 494.50 644.50 1019.00 5720.50
1991 968.50 577.00 737.50 536.00 353.50 231.00 89.50 84.00 242.00 569.50 629.50 743.00 5761.00
1992 719.50 627.50 597.00 415.00 308.00 116.00 72.00 119.50 294.50 426.00 662.50 951.50 5309.00
1993 1077.00 775.50 619.00 444.50 210.00 161.00 133.00 110.50 307.50 448.50 809.50 809.50 5905.50
1994 684.00 763.50 634.00 430.50 295.00 226.00 82.00 86.00 219.00 516.50 746.00 811.50 5494.00
1995 809.50 664.50 662.00 503.00 274.50 145.50 78.00 157.50 174.50 470.00 587.50 805.00 5331.50
1996 917.00 759.00 670.00 437.50 404.50 208.50 104.50 91.50 299.00 511.00 762.00 971.85 a 6136.35
1997 844.00 712.00 668.00 532.50 271.00 168.50 85.00 52.50 192.00 469.00 609.00 795.00 5398.50
1998 796.50 587.00 609.00 521.00 311.50 151.50 63.00 59.00 230.00 460.50 596.50 842.50 5228.00
1999 775.50 664.00 685.50 550.00 424.50 224.00 139.00 79.50 270.50 534.00 582.00 789.50 5718.00
2000 853.00 718.00 655.00 485.00 401.00 185.00 105.50 141.00 259.00 473.00 746.50 881.50 5903.50
2001 788.50 763.00 661.00 528.50 387.00 254.00 146.00 115.50 245.00 479.50 603.50 824.50 5796.00
2002 806.50 709.50 825.00 558.00 404.00 155.50 98.50 125.00 248.50 546.50 606.00 757.50 5840.50
2003 712.00 718.00 623.00 506.00 374.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2933.00
2004 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
2005 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 50.50 29.50 214.00 390.00 661.00 748.50 2093.50
2006 630.50 664.50 605.50 460.50 290.00 110.50 56.00 62.00 200.00 436.00 649.00 735.50 4900.00
2007 847.00 606.00 586.00 476.00 310.00 177.50 41.50 59.00 229.00 458.50 637.00 795.50 5223.00
2008 849.50 657.50 658.00 561.50 317.00 239.50 77.50 93.00 212.00 463.00 534.00 931.50 5594.00
2009 879.00 722.00 740.00 472.50 0.00 z 98.50 64.14 b 76.50 154.50 447.50 570.50 892.50 5117.64
2010 602.50 538.00 562.00 443.00 370.00 189.50 98.50 81.00 172.00 382.50 703.00 730.50 4872.50
2011 794.50 733.19 a 675.50 579.00 397.50 123.50 o 92.47 b 51.00 128.50 449.50 a 693.50 787.50 5382.15
2012 845.00 656.00 688.00 448.50 324.50 219.31 a 72.50 30.50 165.00 435.00 559.00 781.00 5224.31
2013 848.00 624.00 595.95 b 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 2067.95
Period of Record Statistics
MEAN 871.47 709.49 672.77 505.41 351.53 192.63 106.01 116.67 251.14 476.25 663.64 824.52 5783.22
S.D. 137.49 91.95 70.38 54.83 55.23 48.02 38.29 43.16 56.95 56.43 81.64 92.67 365.99
SKEW 0.98 0.72 0.22 0.10 0.47 -0.08 0.13 0.25 0.00 0.35 0.54 0.49 -0.05
MAX 1384.00 1057.50 894.50 624.50 562.50 308.00 190.00 246.00 413.00 623.50 993.50 1031.50 6604.10
MIN 602.50 530.50 487.50 380.69 210.00 81.50 22.00 29.50 109.50 358.00 497.00 629.50 4872.50
NO YRS 108 108 108 106 104 103 102 101 101 101 105 105 75