OAKVILLE, WASHINGTON

Monthly Total Heating Degree Days

(456011)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** 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
1916 0.00 z 0.00 z 0.00 z 71.50 y 416.90 b 200.56 c 135.50 87.50 183.50 493.50 761.90 a 871.00 3150.35
1917 911.50 762.00 766.50 554.00 393.00 321.21 a 0.00 z 11.00 i 174.00 341.00 486.50 614.00 5323.71
1918 692.50 715.00 663.50 475.50 410.50 116.00 59.50 82.50 107.50 364.00 609.00 792.00 5087.50
1919 767.00 686.50 633.50 447.00 397.00 284.50 100.50 90.00 201.00 493.50 664.50 573.50 i 4765.00
1920 812.00 727.00 674.00 578.08 d 488.25 a 268.50 81.00 81.63 a 239.50 487.00 617.14 b 740.00 5794.10
1921 803.93 a 642.00 646.50 558.00 389.50 175.50 112.50 91.00 277.00 386.50 604.50 852.00 5538.93
1922 941.00 778.30 a 773.50 589.00 369.00 129.50 101.50 143.63 a 163.50 413.00 706.50 951.50 6059.93
1923 804.50 831.50 691.50 468.00 356.00 200.50 89.00 34.00 144.00 402.00 609.00 803.00 5433.00
1924 859.00 598.50 687.50 542.50 287.00 192.00 124.55 c 178.00 229.14 a 442.50 668.50 957.00 5766.19
1925 743.50 592.50 649.93 b 445.00 249.03 a 127.00 l 48.00 121.79 c 285.58 d 427.28 a 633.50 667.02 a 4863.13
1926 591.00 f 555.85 a 480.50 314.00 327.50 160.00 63.50 70.50 285.50 383.76 b 411.50 g 802.68 c 3443.79
1927 0.00 z 719.38 b 703.59 c 557.00 466.11 c 150.50 91.00 42.50 166.50 443.82 a 615.50 923.28 a 4879.18
1928 781.00 708.83 c 581.00 529.50 0.00 z 55.00 0.00 z 0.00 z 187.24 a 434.50 626.50 868.55 c 4772.12
1929 945.50 c 895.00 642.14 c 592.50 390.00 59.50 x 99.50 h 83.00 192.50 383.50 721.03 a 728.50 a 5573.68
1930 1170.00 630.00 a 641.50 418.00 427.00 247.50 135.50 70.00 216.50 475.16 b 633.50 779.00 5843.66
1931 590.15 d 630.00 582.91 c 415.20 e 245.33 b 122.22 c 64.14 b 67.00 g 133.50 j 5.00 z 61.00 z 221.00 w 2649.95
1932 421.50 o 243.00 t 142.00 y 77.00 z 86.00 y 107.00 o 43.00 x 27.50 y 177.93 a 0.00 z 0.00 z 0.00 z 177.93
1933 0.00 z 802.50 659.00 506.11 c 430.00 246.50 97.00 46.50 260.00 409.00 591.50 662.50 4710.61
1934 648.00 513.00 466.50 305.50 254.41 b 162.00 89.90 a 45.43 b 213.75 b 368.50 496.07 b 733.50 4296.57
1935 819.00 613.50 725.50 503.28 a 341.00 189.00 147.00 97.00 155.69 a 449.00 737.00 0.00 z 4776.97
1936 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 332.73 a 683.50 132.50 y 1016.23
1937 1112.90 a 717.50 562.50 537.00 315.54 c 145.50 49.50 97.50 153.50 312.00 542.14 b 723.33 a 5268.91
1938 788.84 c 640.89 a 646.00 418.00 292.50 123.46 d 37.72 a 66.65 a 14.00 y 361.31 b 683.28 a 761.57 a 4820.21
1939 708.98 d 725.93 a 594.96 e 397.00 291.50 204.83 a 88.35 a 52.50 136.15 d 355.43 b 547.24 a 640.15 a 4743.02
1940 724.07 c 608.50 520.50 392.00 203.00 77.50 41.50 36.50 91.00 311.50 707.50 719.00 4432.57
1941 729.50 568.81 a 447.00 370.00 319.50 164.50 25.00 70.50 202.76 a 367.35 a 550.50 735.50 4550.92
1942 844.00 659.17 d 0.00 z 0.00 z 355.35 d 236.50 57.50 35.65 a 130.34 a 358.00 671.25 b 710.50 4058.26
1943 979.60 a 619.50 689.50 393.00 395.00 194.50 78.50 93.50 106.50 393.50 610.38 d 823.05 a 5376.53
1944 782.00 697.00 682.00 491.38 a 370.00 206.00 81.00 89.00 101.38 a 316.50 641.00 882.50 5339.76
1945 745.50 623.30 e 722.82 a 551.90 a 305.00 256.03 a 82.48 c 97.81 b 238.20 e 428.26 d 682.50 d 0.00 z 4733.80
1946 626.50 f 644.00 650.00 512.14 b 284.17 a 233.28 a 104.50 80.50 196.00 477.73 c 716.79 b 458.00 m 3899.10
1947 29.50 z 358.00 l 576.48 e 0.00 z 217.00 c 196.80 e 84.00 h 56.50 m 169.00 381.50 620.89 b 579.00 f 2161.67
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 813.92 662.25 636.71 486.72 341.12 188.47 90.38 84.05 183.62 416.12 628.68 779.81 5278.91
S.D. 125.83 84.04 81.52 71.51 74.21 58.45 37.21 39.80 54.13 56.82 75.49 88.31 448.92
SKEW 0.88 0.25 -0.16 -0.27 -0.26 -0.05 0.06 0.70 0.06 0.03 0.40 0.22 -0.35
MAX 1174.50 895.00 882.50 622.00 491.50 321.21 175.50 197.50 308.00 524.00 904.00 957.00 6068.50
MIN 585.00 482.50 447.00 305.50 176.50 55.00 12.00 17.00 74.50 311.50 454.14 614.00 4296.57
NO YRS 73 75 74 73 76 72 70 70 76 76 75 71 48