OAKVILLE, WASHINGTON

Monthly Total Heating Degree Days

(456011)

Base Temperature = 65 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 199712
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 93.21 b 128.02 d 124.00 a 211.03 a 462.86 b 676.00 864.12 c 2559.25
1949 1106.00 765.00 605.50 421.50 246.00 199.50 128.65 a 120.90 a 152.50 523.68 c 454.14 a 666.50 f 4723.37
1950 1174.50 712.50 684.00 555.00 411.27 a 75.50 s 96.50 65.50 267.00 524.00 674.50 624.00 5788.77
1951 836.00 722.00 882.50 296.50 j 330.15 a 123.50 61.50 67.00 152.07 a 414.00 625.00 866.50 5080.22
1952 885.50 694.00 682.00 487.50 343.50 232.00 86.00 88.50 139.00 315.00 718.50 740.00 5411.50
1953 585.00 638.00 647.00 511.00 361.00 280.00 100.50 62.00 a 193.00 372.00 534.00 688.00 4971.50
1954 880.00 624.00 757.00 569.00 361.00 0.00 z 175.50 130.50 199.00 462.50 498.00 772.00 5428.50
1955 796.00 712.50 776.50 613.50 491.50 200.50 158.50 125.50 220.00 469.50 723.50 781.00 6068.50
1956 788.00 841.00 703.00 427.50 254.50 263.50 59.00 95.50 215.50 436.50 706.00 759.00 5549.00
1957 1015.50 708.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 95.17 a 0.00 z 0.00 z 0.00 z 1819.17
1958 722.50 488.50 657.00 479.00 176.50 115.00 12.00 31.50 192.50 346.00 643.50 615.00 4479.00
1959 761.50 702.50 663.50 478.00 416.50 225.00 63.00 122.50 245.00 382.00 598.00 749.00 5406.50
1960 825.50 663.50 654.00 479.00 425.50 214.50 50.50 126.00 237.50 373.50 663.00 802.00 5514.50
1961 638.50 568.50 602.50 538.00 374.50 129.00 43.50 19.00 204.00 479.50 704.00 779.50 5080.50
1962 808.00 608.50 686.50 445.50 438.50 227.50 131.50 106.00 188.00 384.00 544.00 676.00 5244.00
1963 951.00 482.50 657.50 501.50 343.00 242.50 140.00 76.00 88.50 396.00 585.00 729.00 5192.50
1964 727.00 675.50 658.50 554.50 433.00 232.00 0.00 z 130.50 223.50 402.50 666.00 888.50 5591.50
1965 773.00 617.50 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 1390.50
1966 766.50 348.50 n 655.00 471.00 371.50 237.50 136.50 97.50 152.50 442.00 578.50 672.50 4581.00
1967 715.50 637.50 712.00 582.50 334.00 123.00 92.50 31.00 115.50 398.00 612.86 b 820.00 5174.36
1968 787.00 599.00 572.39 c 543.50 335.00 224.50 89.50 161.00 209.50 478.00 602.00 878.00 5479.39
1969 1023.50 737.00 648.00 530.00 299.50 113.50 125.03 a 197.50 212.00 493.00 624.00 719.72 a 5722.75
1970 801.00 587.00 652.00 591.50 411.00 183.50 113.00 130.00 308.00 500.50 611.50 832.50 5721.50
1971 788.00 679.50 747.00 541.50 355.00 316.00 121.50 62.00 242.50 486.00 604.00 855.50 5798.50
1972 894.50 707.50 608.00 622.00 286.50 196.50 105.00 57.50 289.00 486.70 a 590.00 893.50 5736.70
1973 867.50 653.00 631.50 507.50 357.50 238.50 124.00 185.50 192.00 455.50 675.00 673.50 5561.00
1974 907.50 683.50 666.50 510.50 450.50 187.00 152.00 57.50 126.50 441.50 593.00 723.50 5499.50
1975 788.00 687.50 703.00 618.50 371.50 244.50 105.50 127.50 204.50 435.50 618.00 762.50 5666.50
1976 737.80 a 722.00 731.50 551.50 393.50 294.00 138.00 145.00 155.00 388.50 586.00 738.50 5581.30
1977 874.00 584.50 690.00 466.00 451.00 185.50 165.00 66.00 216.50 452.00 687.50 745.50 5583.50
1978 707.50 545.50 537.50 459.50 390.00 119.00 67.50 30.00 o 205.50 386.50 0.00 z 940.00 4358.50
1979 1014.50 704.50 552.00 473.00 322.00 199.00 109.57 b 52.50 135.50 372.00 696.50 726.50 5357.57
1980 963.50 664.00 660.00 449.50 354.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 197.50 s 617.23 c 3708.73
1981 690.50 585.00 525.00 462.00 304.50 194.00 85.00 55.50 148.00 468.00 552.50 743.50 4813.50
1982 816.50 649.50 650.50 552.00 286.00 91.50 72.50 63.50 137.00 373.50 701.00 776.50 5170.00
1983 632.00 537.50 521.00 436.50 190.00 161.00 69.50 28.50 224.00 442.00 566.50 944.50 4753.00
1984 715.00 332.00 m 503.00 547.00 406.00 214.00 64.50 85.00 219.50 524.00 659.00 914.00 4851.00
1985 883.50 731.50 700.00 442.00 336.00 181.50 14.00 84.00 251.00 491.50 904.00 933.00 5952.00
1986 656.50 667.00 458.00 527.00 333.00 98.00 125.50 17.00 244.00 354.00 579.50 773.50 4833.00
1987 776.00 560.00 547.50 393.50 239.50 120.50 82.50 34.00 128.00 356.50 530.50 831.00 4599.50
1988 801.50 602.50 615.00 428.50 322.50 212.00 105.00 76.00 183.50 322.00 624.50 764.50 5057.50
1989 771.00 858.00 664.00 341.50 304.50 146.00 93.00 83.00 122.00 384.50 553.50 709.00 5030.00
1990 721.50 735.00 0.00 z 431.00 372.50 195.00 43.00 63.00 138.50 471.00 570.00 931.00 4671.50
1991 820.50 530.50 654.50 485.00 379.50 233.50 40.50 70.00 165.50 482.00 606.50 711.00 5179.00
1992 698.50 541.00 488.00 412.00 221.50 94.50 37.00 44.00 191.50 368.50 602.00 832.50 4531.00
1993 925.50 732.00 589.00 448.00 191.00 162.00 108.50 67.00 155.50 346.50 744.50 761.50 5231.00
1994 649.50 710.00 533.50 383.00 281.50 204.50 46.50 43.50 80.00 450.00 743.50 781.00 4906.50
1995 708.50 567.50 597.50 478.00 223.00 141.50 0.00 z 123.00 74.50 397.50 514.50 733.00 4558.50
1996 780.00 693.00 591.00 425.00 415.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 651.50 802.00 4358.00
1997 756.00 646.50 635.00 499.50 243.00 221.00 74.00 23.00 m 120.00 441.00 516.50 751.00 4903.50
Period of Record Statistics
MEAN 810.46 654.53 638.17 492.83 339.13 188.87 94.10 86.33 182.35 426.78 624.17 779.26 5289.88
S.D. 122.18 82.02 81.14 64.70 75.32 56.98 40.00 43.38 54.54 56.33 79.93 85.42 404.39
SKEW 0.83 0.02 0.16 0.09 -0.35 -0.06 -0.06 0.56 0.00 -0.08 0.74 0.21 -0.22
MAX 1174.50 858.00 882.50 622.00 491.50 316.00 175.50 197.50 308.00 524.00 904.00 944.50 6068.50
MIN 585.00 482.50 458.00 341.50 176.50 91.50 12.00 17.00 74.50 315.00 454.14 615.00 4479.00
NO YRS 49 47 46 46 47 44 44 44 47 46 46 47 34