BELLINGHAM 3 SSW, WASHINGTON

Monthly Total Heating Degree Days

(450587)

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
1985 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 79.50 250.00 421.00 949.00 927.00 2626.50
1986 591.07 a 657.50 526.00 519.00 309.50 128.00 143.50 38.00 225.54 b 394.00 602.00 703.50 4837.60
1987 730.50 555.50 520.50 399.00 290.37 a 164.00 74.00 74.50 168.00 391.50 497.00 783.00 4647.87
1988 791.57 b 635.00 618.00 467.00 332.50 200.00 108.00 84.50 220.71 b 356.50 548.28 a 698.00 5060.06
1989 773.97 a 859.70 a 671.50 417.00 311.50 137.50 87.50 85.50 159.00 378.00 565.50 702.50 5149.17
1990 692.00 734.50 613.00 409.00 295.00 166.50 39.00 41.00 142.50 428.00 554.50 917.50 5032.50
1991 861.28 a 500.50 686.50 484.50 318.50 204.50 56.50 45.00 161.50 454.50 555.00 661.50 4989.78
1992 632.50 539.00 488.00 336.00 278.00 173.00 15.50 67.50 188.50 313.00 483.50 738.00 4252.50
1993 859.00 659.50 572.00 364.00 192.50 107.00 61.00 39.00 256.00 356.50 600.50 641.50 4708.50
1994 622.50 676.00 481.00 317.50 150.50 i 121.50 28.50 52.00 154.50 404.00 667.50 702.00 4227.00
1995 711.50 563.00 575.50 463.00 230.00 115.00 40.50 121.50 91.50 413.00 481.00 716.00 4521.50
1996 812.00 676.00 589.50 391.00 357.50 182.00 79.50 65.00 235.50 420.50 665.00 896.00 5369.50
1997 740.50 638.50 603.00 450.00 209.00 146.00 47.50 15.00 116.50 378.00 533.00 699.50 4576.50
1998 703.50 511.50 538.50 453.50 278.00 127.50 46.00 32.50 133.00 372.50 517.50 758.50 4472.50
1999 696.50 590.07 a 625.00 504.50 392.50 220.00 110.00 44.50 204.00 452.50 505.50 713.00 5058.07
2000 775.50 622.50 603.50 416.50 345.00 156.50 69.50 94.00 176.50 390.50 670.50 790.50 5111.00
2001 705.00 686.00 592.00 472.00 337.90 a 219.50 85.00 57.50 189.50 448.50 519.50 751.50 5063.90
2002 727.50 651.00 741.00 480.50 354.50 128.00 76.00 54.00 170.50 458.50 518.00 681.00 5040.50
2003 591.50 638.50 550.00 436.00 313.50 121.00 37.00 30.50 132.50 323.00 695.00 712.50 4581.00
2004 744.00 613.00 501.00 369.50 243.50 100.00 27.50 13.50 199.00 378.50 584.00 687.00 4460.50
2005 752.50 659.00 501.00 392.50 200.50 141.50 42.00 28.00 206.00 347.00 648.50 707.00 4625.50
2006 602.00 667.00 597.00 457.50 305.00 113.00 51.00 66.00 181.00 442.50 641.00 713.50 4836.50
2007 814.00 575.50 535.00 464.00 313.50 176.50 32.00 62.00 227.00 440.00 654.50 769.50 5063.50
2008 811.00 656.00 663.50 548.00 322.00 242.00 97.00 82.50 218.50 452.50 496.50 918.00 5507.50
2009 839.00 705.50 706.00 465.00 330.00 117.00 50.00 75.50 144.50 430.50 546.00 894.00 5303.00
2010 592.50 527.00 572.50 461.50 368.00 193.50 87.00 88.00 157.00 394.50 684.50 694.50 4820.50
2011 761.50 742.00 592.00 574.00 397.00 196.50 88.50 63.50 133.00 85.00 v 684.00 789.00 5021.00
2012 791.50 668.00 684.00 440.50 350.00 216.00 79.50 59.50 213.50 424.00 569.50 755.00 5251.00
2013 856.50 625.00 618.28 d 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 2099.78
Period of Record Statistics
MEAN 735.09 636.87 591.60 442.69 306.74 159.76 65.15 59.27 180.54 402.35 594.15 754.30 4893.62
S.D. 84.73 76.79 68.12 59.79 55.12 40.98 30.18 25.18 41.94 40.84 98.01 82.67 320.48
SKEW -0.32 0.48 0.29 -0.03 -0.57 0.32 0.55 0.20 -0.07 -0.46 1.67 1.02 -0.09
MAX 861.28 859.70 741.00 574.00 397.00 242.00 143.50 121.50 256.00 458.50 949.00 927.00 5507.50
MIN 591.07 500.50 481.00 317.50 192.50 100.00 15.50 13.50 91.50 313.00 481.00 641.50 4252.50
NO YRS 28 28 28 27 26 27 27 28 28 27 28 28 25