PACKWOOD, WASHINGTON

Monthly Total Heating Degree Days

(456262)

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 60.00 l 45.50 g 60.85 d 109.50 l 0.00 z 0.00 z 0.00 z 60.85
1949 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 214.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 214.00
1950 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 42.50 0.00 z 0.00 z 0.00 z 615.50 f 109.50 z 42.50
1951 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 0.00 z 0.00 z 0.00
1952 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 0.00 z 0.00 z 0.00
1953 362.50 p 711.08 d 688.56 e 517.50 d 262.50 i 174.50 i 13.00 o 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1917.14
1954 632.00 l 777.50 774.00 576.00 315.00 279.00 141.05 a 115.45 b 74.00 o 308.50 g 266.50 m 271.00 u 2978.00
1955 505.00 m 500.50 j 495.50 m 457.00 j 215.50 o 0.00 z 252.17 e 158.10 a 0.00 z 0.00 z 611.50 k 928.40 b 1338.67
1956 918.50 753.50 f 836.00 483.50 0.00 z 257.50 70.02 b 104.50 210.00 503.50 704.40 e 822.50 4910.42
1957 1119.50 818.50 630.16 b 453.50 239.00 143.33 c 142.50 146.00 101.38 a 468.50 751.07 b 833.00 5846.44
1958 793.50 580.00 724.76 b 542.50 198.50 114.00 20.00 60.50 157.50 g 383.00 715.86 a 745.55 a 4878.17
1959 880.00 760.00 719.00 526.50 434.00 193.80 e 71.62 b 130.09 c 202.50 g 401.00 648.50 847.00 5611.51
1960 935.50 740.50 715.00 509.50 421.50 154.00 f 78.00 97.00 h 257.14 b 455.91 b 585.00 f 839.58 a 4952.64
1961 794.12 a 693.50 713.00 c 544.00 401.97 a 138.00 66.50 42.50 305.00 545.50 822.32 b 924.50 5990.90
1962 924.50 705.70 a 807.00 461.50 484.00 241.00 145.00 113.00 169.14 a 463.93 b 670.20 e 550.50 j 5184.97
1963 1046.77 a 589.50 738.50 586.00 369.00 241.61 b 148.00 103.50 166.50 455.50 740.56 c 482.00 n 5185.43
1964 913.39 c 802.00 795.00 641.50 477.50 0.00 z 49.00 136.00 272.78 c 302.50 f 787.24 a 982.50 5856.91
1965 975.00 764.50 718.00 491.50 476.50 194.48 a 88.00 86.50 343.50 414.50 633.62 a 982.00 6168.10
1966 1003.50 818.00 719.50 519.50 374.58 a 260.50 117.50 121.00 177.50 355.00 i 680.19 d 828.22 a 5619.99
1967 854.50 718.50 809.00 652.00 384.40 a 144.00 67.00 31.00 119.00 403.60 e 0.00 z 555.50 m 4183.00
1968 610.00 j 407.50 i 400.00 j 360.00 k 220.00 i 179.48 a 62.00 112.00 201.50 455.81 d 432.50 k 643.00 j 1010.80
1969 730.50 k 510.50 j 422.50 l 340.00 j 185.50 h 92.00 87.50 134.00 198.50 379.50 g 344.50 n 484.00 l 512.00
1970 532.00 l 417.50 i 483.50 i 451.00 h 246.00 g 147.00 69.50 51.00 258.50 505.41 c 419.50 l 550.50 n 1031.41
1971 608.50 l 424.50 l 449.00 n 432.50 g 196.00 l 238.50 i 90.00 27.00 285.00 370.50 j 490.00 k 604.00 m 402.00
1972 728.50 j 595.50 i 493.00 h 381.00 k 249.00 f 123.50 h 68.50 87.46 c 353.00 518.96 d 453.50 l 1112.00 2139.93
1973 827.50 f 397.50 l 476.00 k 559.82 b 374.50 200.00 g 109.03 b 146.50 152.50 495.50 854.50 796.00 3488.36
1974 1014.00 726.83 d 717.00 557.50 445.00 147.50 100.00 78.00 110.50 296.50 k 0.00 z 827.18 a 4723.52
1975 916.00 786.15 b 779.00 641.50 304.46 c 270.50 85.00 121.00 0.00 z 546.00 741.50 799.00 5990.12
1976 839.50 784.50 792.00 536.50 342.50 265.00 66.00 143.00 158.00 450.00 660.00 c 825.00 5862.00
1977 971.50 617.50 766.50 418.00 440.50 136.00 106.50 65.00 259.50 475.50 825.00 866.50 5948.00
1978 838.00 654.50 615.00 522.00 403.00 120.00 74.00 106.00 295.00 409.00 856.50 1063.50 5956.50
1979 1061.00 853.00 636.00 520.00 282.50 154.00 49.00 43.00 110.00 402.00 745.50 807.50 5663.50
1980 1096.00 767.50 744.00 406.00 342.50 245.50 52.50 114.00 181.50 373.00 642.00 764.67 a 5729.17
1981 673.00 670.50 554.00 477.50 324.00 204.00 73.00 15.50 d 167.00 489.00 654.00 868.50 5170.00
1982 977.00 770.50 693.50 551.00 302.00 91.50 61.00 45.00 161.50 435.50 779.00 887.50 5755.00
1983 784.00 634.50 580.50 471.00 246.00 149.50 79.00 3.00 221.00 440.50 679.00 1083.50 5371.50
1984 832.50 703.00 568.50 560.50 403.50 166.00 33.50 30.00 209.50 544.50 744.00 988.50 5784.00
1985 959.50 856.00 720.50 484.00 285.50 131.00 0.50 76.50 264.00 517.00 964.50 992.50 6251.50
1986 787.50 743.50 577.50 552.93 a 344.50 87.50 128.50 16.00 261.00 396.00 690.50 860.50 5445.93
1987 958.50 650.50 652.00 454.00 310.00 145.00 102.00 59.50 125.00 371.00 614.00 961.50 5403.00
1988 918.50 703.50 726.50 520.00 364.00 190.50 108.50 64.50 224.00 301.50 722.00 851.50 5695.00
1989 888.50 901.50 766.00 444.50 380.50 0.00 z 98.00 98.00 165.00 467.00 658.00 819.00 5686.00
1990 861.00 835.50 616.50 407.00 372.50 183.00 40.50 45.50 68.50 554.50 675.00 1109.50 5769.00
1991 937.50 602.00 739.50 573.50 382.50 223.50 33.00 50.50 122.50 473.50 673.50 806.00 5617.50
1992 807.50 597.00 527.00 449.00 218.50 113.50 55.50 52.50 237.50 417.47 a 717.50 945.00 5137.97
1993 1005.50 764.00 625.00 553.00 226.50 238.50 177.00 91.50 194.00 383.50 858.50 903.00 6020.00
1994 766.50 828.50 621.50 437.00 294.00 229.00 58.50 49.00 111.50 494.00 843.50 958.00 5691.00
1995 740.00 644.50 658.00 546.00 293.50 221.00 40.00 130.00 121.50 507.50 616.50 864.00 5382.50
1996 913.50 784.50 671.50 529.50 456.50 219.00 73.00 81.00 278.00 497.50 738.00 937.00 6179.00
1997 897.50 702.00 738.00 564.50 277.00 210.50 84.00 32.00 155.00 526.00 620.00 862.00 5668.50
1998 892.50 651.00 654.00 468.50 386.00 170.50 26.00 40.50 115.50 457.00 676.00 948.00 5485.50
1999 868.50 776.50 722.50 565.00 467.00 258.00 99.00 57.00 172.00 483.00 637.00 834.00 5939.50
2000 921.00 702.50 711.50 442.76 a 374.00 188.00 90.00 0.00 z 197.00 474.82 a 809.00 867.48 a 5778.06
2001 809.10 a 742.00 653.00 585.50 330.84 b 256.50 105.00 64.50 154.00 544.00 676.50 902.50 5823.44
2002 871.00 720.00 794.50 525.00 398.50 182.00 70.00 80.50 188.00 470.00 618.00 854.50 5772.00
2003 740.00 693.00 679.00 547.50 361.00 128.50 41.50 31.50 136.50 360.50 801.00 854.00 5374.00
2004 945.00 705.50 577.24 b 389.50 309.50 128.00 28.00 53.22 a 201.50 404.00 690.00 764.00 5195.46
2005 768.50 624.00 569.50 471.50 228.00 177.50 17.50 23.00 196.00 353.50 774.50 888.00 5091.50
2006 816.50 786.50 722.00 512.59 a 325.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3163.09
Period of Record Statistics
MEAN 894.11 727.43 692.69 515.61 351.57 184.13 80.02 77.00 194.31 455.31 724.01 891.01 5683.46
S.D. 98.44 77.61 76.89 61.40 74.12 53.89 43.79 40.70 66.62 60.06 82.06 89.86 313.29
SKEW 0.14 -0.03 -0.29 0.03 -0.12 0.03 1.28 0.23 0.44 -0.33 0.77 0.84 -0.21
MAX 1119.50 901.50 836.00 652.00 484.00 279.00 252.17 158.10 353.00 554.50 964.50 1112.00 6251.50
MIN 673.00 580.00 527.00 389.50 198.50 87.50 0.50 3.00 68.50 301.50 614.00 745.55 5091.50
NO YRS 45 46 47 48 46 46 53 51 47 45 42 44 31