PORT ANGELES, WASHINGTON

Monthly Total Heating Degree Days

(456624)

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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 213.00 236.50 307.00 504.50 661.00 875.00 2797.00
1949 998.50 790.00 674.00 545.00 371.00 325.00 250.07 a 220.50 240.50 558.00 511.50 805.00 6289.07
1950 1182.00 731.50 736.00 606.50 514.00 264.00 222.00 213.00 305.00 545.50 664.50 672.50 6656.50
1951 836.50 718.50 813.50 527.00 473.50 270.50 211.50 314.65 a 0.00 z 490.32 a 624.50 840.50 6120.97
1952 875.00 742.00 733.50 568.50 446.50 378.00 254.00 220.50 256.55 a 350.50 647.50 704.00 6176.55
1953 718.34 b 651.50 677.72 b 536.90 a 361.50 309.83 a 176.59 c 129.00 206.00 408.17 a 525.52 a 665.47 a 5366.53
1954 880.00 609.78 a 738.66 b 586.00 393.18 a 329.00 245.50 230.50 218.50 460.00 505.00 724.37 a 5920.48
1955 747.50 713.50 806.00 612.00 480.00 288.10 a 246.97 a 211.50 257.07 a 490.83 a 795.50 841.28 b 6490.25
1956 823.05 a 808.38 a 744.00 a 470.00 307.50 291.50 139.00 147.00 248.28 a 479.00 664.50 746.67 b 5868.87
1957 958.50 521.00 h 666.00 496.00 294.00 237.50 192.50 160.00 107.00 449.50 617.00 693.50 4871.50
1958 682.00 a 527.33 a 640.50 508.45 a 284.50 123.00 49.00 89.79 b 221.00 425.45 b 698.57 b 680.00 4929.59
1959 637.00 f 692.50 657.00 499.14 a 409.00 226.00 127.00 209.00 280.50 466.00 683.79 a 747.50 4997.43
1960 795.00 682.00 702.00 515.50 433.50 278.00 131.00 184.50 261.50 407.00 632.50 751.75 a 5774.25
1961 674.00 590.00 623.00 518.50 356.00 162.00 117.00 106.00 308.00 520.00 740.50 800.50 5515.50
1962 805.50 638.50 732.00 501.00 463.00 295.00 221.50 180.00 217.00 431.50 569.00 696.50 5750.50
1963 853.00 546.50 658.50 494.00 350.00 262.00 200.50 161.50 142.50 381.50 612.50 695.50 5358.00
1964 721.50 673.50 647.50 575.00 440.00 280.50 212.50 198.00 303.50 477.00 732.00 909.00 6170.00
1965 845.00 651.00 631.00 512.07 a 472.23 a 280.50 174.00 180.50 299.50 394.00 563.50 768.00 5771.30
1966 800.50 649.50 675.00 530.69 a 418.00 277.50 216.50 166.00 218.50 491.50 628.00 703.50 5775.19
1967 759.00 616.50 706.00 588.00 397.50 167.50 134.00 92.00 169.50 416.50 581.00 746.50 5374.00
1968 764.50 622.50 596.50 548.00 357.50 260.50 122.50 174.50 241.00 482.50 593.00 877.50 5640.50
1969 1030.50 715.00 633.00 528.50 304.50 154.00 156.00 175.00 243.00 455.00 492.50 f 685.00 5079.50
1970 771.50 585.50 635.00 556.50 425.96 d 195.00 182.50 210.50 327.50 500.65 a 621.00 794.50 5806.11
1971 763.50 654.00 759.00 522.50 380.50 331.50 181.00 91.50 273.00 455.50 603.50 857.50 5873.00
1972 887.00 691.50 633.50 617.50 307.50 256.00 130.50 123.50 328.50 477.50 606.00 836.50 5895.50
1973 822.00 646.00 637.00 519.00 375.50 287.50 178.50 247.00 208.50 472.00 699.00 659.00 5751.00
1974 804.00 655.50 655.50 513.00 467.00 286.50 214.00 163.50 145.00 430.00 590.50 672.00 5596.50
1975 789.00 719.00 695.00 613.50 400.00 286.50 151.50 212.50 202.00 466.00 615.50 755.50 5906.00
1976 729.00 693.50 734.00 517.00 412.00 314.00 177.50 217.00 194.00 441.00 601.50 684.50 5715.00
1977 791.00 558.00 678.00 490.00 423.00 234.00 215.50 125.00 289.00 496.00 684.00 775.00 5758.50
1978 733.00 601.50 590.00 511.00 397.00 150.50 143.00 144.50 253.97 a 408.00 725.50 834.50 5492.47
1979 911.00 704.00 598.00 495.00 351.00 267.00 138.00 139.00 149.50 400.50 629.00 647.00 5429.00
1980 896.50 631.50 653.00 0.00 z 376.50 289.50 174.00 201.50 224.00 397.50 580.50 658.50 5083.00
1981 633.00 602.00 553.50 514.50 0.00 z 292.50 180.83 a 119.00 246.00 481.50 585.50 729.53 a 4937.87
1982 0.00 z 659.00 666.00 589.00 402.00 203.00 187.00 147.00 182.00 420.00 687.50 746.00 4888.50
1983 646.50 562.50 546.00 472.00 299.00 228.50 151.00 92.00 253.50 477.50 549.00 920.00 5197.50
1984 703.00 602.00 554.50 491.00 423.00 282.00 155.50 140.00 261.50 497.00 645.50 868.00 5623.00
1985 820.00 716.50 707.50 590.00 456.50 340.00 195.50 240.50 357.00 536.00 960.00 939.00 6858.50
1986 727.00 742.50 657.00 648.00 497.00 305.00 355.50 161.00 360.00 525.50 682.00 814.00 6474.50
1987 824.50 646.00 677.00 566.50 462.50 361.50 278.00 270.50 305.00 522.50 629.00 863.50 6406.50
1988 894.50 740.50 748.00 615.50 437.00 272.00 176.00 159.50 276.50 404.50 606.50 740.00 6070.50
1989 794.50 872.00 729.00 460.50 385.50 201.00 201.00 184.50 175.00 455.00 587.00 680.50 5725.50
1990 720.00 737.50 658.00 471.50 395.00 238.00 98.50 114.00 152.50 480.00 580.50 904.00 5549.50
1991 821.50 566.00 720.50 544.00 405.00 295.00 178.50 167.50 193.00 478.50 590.00 678.00 5637.50
1992 691.50 595.50 543.50 458.00 317.50 170.00 113.00 147.50 281.50 405.00 617.50 818.00 5158.50
1993 936.00 754.50 621.00 496.50 239.50 202.00 190.50 139.00 239.00 406.50 714.50 730.50 5669.50
1994 643.50 705.50 602.50 460.00 326.50 266.00 152.00 120.00 198.00 481.50 693.50 778.50 5427.50
1995 735.50 606.50 635.00 490.50 268.00 210.00 118.50 204.50 160.50 440.00 550.00 756.50 5175.50
1996 817.50 714.00 644.50 481.50 448.00 246.50 104.50 115.50 290.50 482.50 685.50 877.00 5907.50
1997 799.00 639.00 639.00 510.50 282.00 220.00 96.50 86.00 0.00 z 408.50 0.00 z 0.00 z 3680.50
1998 725.40 a 559.00 597.50 491.50 316.00 208.50 107.50 81.00 175.00 436.00 573.00 753.50 5023.90
1999 745.50 640.50 684.00 519.50 447.00 180.50 41.00 39.27 a 132.00 313.50 395.50 566.00 4704.27
2000 633.90 b 574.50 518.00 376.50 293.50 125.00 56.00 110.50 173.50 0.00 z 615.00 687.00 4163.40
2001 668.50 645.50 613.50 461.00 317.50 207.50 132.00 0.00 z 196.00 438.50 556.50 724.00 4960.50
2002 665.50 590.50 652.50 304.00 192.50 139.50 121.00 173.00 230.50 493.50 568.50 697.50 4828.50
2003 637.50 659.00 615.50 541.50 415.50 198.00 125.00 137.50 198.00 401.00 690.00 746.00 5364.50
2004 757.50 633.50 605.00 425.50 0.00 z 199.50 100.00 99.50 264.00 426.50 601.00 672.50 4784.50
2005 728.50 678.00 667.50 491.00 280.50 0.00 z 128.00 137.00 268.50 450.50 637.20 e 0.00 z 4466.70
2006 0.00 z 658.50 666.50 504.50 418.50 231.11 c 134.50 j 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2479.11
Period of Record Statistics
MEAN 789.40 659.83 660.03 519.23 381.57 248.78 166.23 162.48 235.99 454.22 628.70 758.81 5707.84
S.D. 106.56 69.40 62.13 59.41 70.75 59.63 57.52 53.52 58.58 48.43 80.95 82.79 465.14
SKEW 1.10 0.49 0.13 -0.60 -0.42 -0.22 0.41 0.29 -0.01 -0.28 0.93 0.32 0.22
MAX 1182.00 872.00 813.50 648.00 514.00 378.00 355.50 314.65 360.00 558.00 960.00 939.00 6858.50
MIN 633.00 527.33 518.00 304.00 192.50 123.00 41.00 39.27 107.00 313.50 395.50 566.00 4704.27
NO YRS 55 57 58 57 56 57 58 57 56 57 56 56 45