CUSHMAN POWERHOUSE 2, WASHINGTON

Monthly Total Heating Degree Days

(451939)

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
1973 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 80.50 131.20 c 163.00 430.50 736.50 699.00 2240.70
1974 827.00 675.50 671.00 505.00 411.00 150.00 131.50 61.50 97.50 446.63 d 595.00 730.50 5302.13
1975 819.00 706.50 706.50 581.50 326.00 208.50 61.50 115.00 147.00 467.00 654.50 744.50 5537.50
1976 748.50 731.50 746.00 515.00 335.50 227.50 84.50 90.50 115.50 388.50 581.50 684.50 5249.00
1977 828.50 551.50 680.00 409.50 378.00 151.50 98.00 55.50 228.00 441.00 691.50 744.00 5257.00
1978 692.00 564.50 505.50 460.00 358.00 101.00 52.00 76.50 219.00 358.50 727.76 a 894.00 5008.76
1979 907.50 704.15 a 537.50 458.50 257.82 a 138.50 51.15 a 38.23 a 109.00 361.50 678.00 675.50 4917.35
1980 932.00 629.00 638.50 410.50 297.60 a 200.50 56.00 92.00 143.50 354.50 533.00 626.50 4913.60
1981 673.50 586.00 499.50 449.00 284.00 194.50 81.50 34.00 150.00 451.50 567.00 761.00 4731.50
1982 821.50 649.00 646.00 560.50 315.50 113.00 92.50 95.50 159.00 391.50 697.50 809.50 5351.00
1983 674.00 568.00 546.50 456.50 244.00 171.50 100.00 34.00 214.00 431.00 577.50 933.50 4950.50
1984 697.00 624.50 554.00 514.50 388.00 206.00 67.00 64.00 197.50 487.00 667.50 928.50 5395.50
1985 894.50 747.00 712.00 508.00 296.00 148.00 10.50 56.00 239.00 430.00 860.50 908.00 5809.50
1986 679.50 642.50 498.50 544.82 b 332.00 101.00 129.50 7.48 b 220.50 357.00 615.00 750.50 4878.30
1987 808.00 598.00 561.50 389.50 260.50 129.50 73.00 43.50 120.00 330.00 551.50 821.50 4686.50
1988 803.00 616.00 624.00 433.50 323.00 194.00 72.00 66.00 183.50 314.00 606.50 760.00 4995.50
1989 777.00 804.50 696.50 379.50 290.00 123.00 91.50 73.50 114.00 399.00 583.00 710.50 5042.00
1990 735.00 746.00 591.50 378.50 334.00 173.00 26.00 33.50 72.00 462.00 581.50 942.00 5075.00
1991 800.50 522.50 665.50 505.50 337.00 236.50 38.00 41.00 119.50 414.50 546.50 696.50 4923.50
1992 687.00 564.00 462.50 379.00 194.00 98.50 29.50 36.00 194.00 359.00 622.50 833.50 4459.50
1993 876.50 690.50 576.50 449.50 190.00 178.50 115.50 67.00 165.00 335.00 704.00 799.00 5147.00
1994 675.00 740.00 563.00 418.00 274.50 196.50 49.00 31.00 100.00 457.50 767.00 810.00 5081.50
1995 695.00 612.50 612.00 479.00 237.50 152.50 51.00 122.50 67.00 432.50 511.50 769.50 4742.50
1996 803.00 698.50 578.00 445.50 402.00 186.50 56.00 47.50 239.50 448.50 671.50 861.50 5438.00
1997 778.50 647.00 659.00 499.00 216.00 184.00 45.50 22.50 127.50 426.50 523.00 752.50 4881.00
1998 733.50 596.00 586.00 458.00 295.50 150.50 31.00 28.00 93.50 414.50 578.00 823.05 a 4787.55
1999 725.50 695.00 513.50 g 0.00 z 41.50 z 207.50 100.00 53.50 193.50 471.00 571.50 717.50 3735.00
2000 856.50 677.88 a 638.50 425.00 346.50 163.00 90.00 97.00 165.00 439.00 704.50 770.87 a 5373.74
2001 756.92 a 698.00 616.90 a 545.00 320.85 a 212.00 0.00 z 55.00 180.50 444.00 580.50 800.00 5209.67
2002 755.50 674.00 715.50 485.50 0.00 z 146.00 72.00 75.00 180.00 426.50 583.50 732.00 4845.50
2003 643.00 657.50 586.50 491.50 339.50 120.50 37.50 20.50 125.00 356.00 697.00 797.50 4872.00
2004 806.50 662.50 534.00 354.50 266.50 116.00 40.00 30.00 227.00 420.50 0.00 z 741.50 4199.00
2005 737.50 665.00 538.00 469.50 248.50 175.50 63.00 37.50 216.50 418.50 694.00 764.50 5028.00
2006 700.50 712.00 666.00 488.50 308.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2875.00
Period of Record Statistics
MEAN 768.13 656.27 606.65 463.98 303.46 164.22 68.02 58.54 160.17 411.05 633.13 781.60 5065.53
S.D. 75.86 65.55 73.12 56.95 56.46 38.78 30.01 30.77 50.35 45.57 80.51 77.97 293.95
SKEW 0.34 -0.04 0.01 0.01 -0.13 -0.07 0.30 0.68 -0.07 -0.49 0.69 0.46 0.42
MAX 932.00 804.50 746.00 581.50 411.00 236.50 131.50 131.20 239.50 487.00 860.50 942.00 5809.50
MIN 643.00 522.50 462.50 354.50 190.00 98.50 10.50 7.48 67.00 314.00 511.50 626.50 4459.50
NO YRS 33 33 32 32 31 32 32 33 33 33 32 33 28