QUILCENE 2 SW, WASHINGTON

Monthly Total Heating Degree Days

(456846)

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 103.33 c 86.50 98.00 210.00 475.50 715.50 958.00 2646.83
1949 1100.50 803.00 632.00 449.50 231.50 180.00 110.50 101.50 135.50 542.50 539.00 869.00 5694.50
1950 1256.00 735.54 b 710.50 535.00 418.50 128.00 57.50 50.50 157.00 482.50 685.50 680.00 5896.54
1951 886.08 a 706.50 750.50 400.50 296.64 b 106.50 53.73 a 84.00 161.00 459.50 686.00 909.00 5499.96
1952 913.50 689.00 639.00 461.00 319.00 249.50 75.50 90.00 166.00 365.50 750.50 774.50 5493.00
1953 707.00 700.00 674.50 520.50 337.00 282.00 25.50 p 37.00 f 177.50 432.00 579.50 779.50 5189.50
1954 923.50 670.00 727.50 554.50 341.50 282.50 168.50 146.50 225.00 505.00 569.00 812.50 5926.00
1955 896.00 796.50 828.50 619.00 475.50 219.50 127.50 214.00 271.00 490.00 837.00 890.50 6665.00
1956 854.50 866.50 743.00 473.00 252.50 254.50 73.50 78.50 235.50 499.00 722.50 811.00 5864.00
1957 1050.50 745.63 a 667.50 468.50 240.50 165.00 143.50 120.50 105.50 491.50 734.00 786.00 5718.63
1958 739.00 531.00 659.50 497.50 191.50 96.50 6.50 39.61 d 213.00 411.50 705.50 691.00 4782.11
1959 814.00 706.00 679.00 481.50 375.00 162.00 81.50 132.50 268.50 465.00 729.50 814.00 5708.50
1960 886.50 708.50 708.50 502.00 410.00 220.00 62.50 147.25 a 273.50 425.00 709.50 836.50 5889.75
1961 752.27 a 590.50 629.50 547.80 e 333.50 101.00 h 43.00 28.50 232.00 519.77 a 735.00 831.83 a 5243.67
1962 864.50 672.00 722.00 436.50 428.50 203.50 134.00 97.00 162.50 437.62 a 627.50 763.00 5548.62
1963 946.50 527.00 670.00 500.17 a 320.50 199.00 118.00 69.50 99.50 364.50 646.00 786.50 5247.17
1964 784.00 728.50 693.00 0.00 z 379.50 194.50 73.50 116.00 216.00 432.50 725.00 949.12 a 5291.62
1965 899.50 687.50 660.50 452.50 422.00 175.00 63.03 a 71.00 239.50 346.50 563.50 819.43 a 5399.97
1966 837.50 681.50 649.00 491.50 335.00 202.50 101.00 72.50 138.00 462.00 625.50 692.00 5288.00
1967 785.00 658.50 743.50 585.00 336.50 80.17 a 49.00 16.00 90.00 396.50 648.00 840.50 5228.67
1968 828.00 620.50 589.50 525.50 296.00 189.00 41.50 101.00 200.50 450.00 625.50 918.12 a 5385.12
1969 1078.50 758.00 634.00 500.00 246.50 88.50 96.00 138.00 191.50 477.50 660.00 b 744.55 c 5613.05
1970 839.58 a 604.00 640.00 570.00 358.00 120.50 77.50 68.00 269.50 513.50 677.22 c 893.63 e 5631.44
1971 651.50 h 675.50 d 754.00 520.50 314.00 274.00 103.50 25.00 253.00 357.50 i 662.59 a 929.45 c 4511.53
1972 780.50 g 763.13 b 637.57 a 608.28 a 264.00 191.00 63.50 43.00 232.50 496.50 653.50 945.50 e 4898.47
1973 911.73 c 687.62 b 637.00 505.00 323.95 a 216.00 85.25 c 147.50 169.00 490.63 e 728.40 e 729.57 b 5631.65
1974 913.93 d 675.50 d 644.28 a 492.00 428.12 b 174.00 127.88 c 80.60 a 74.44 c 397.46 c 650.00 c 548.50 i 4658.21
1975 525.50 l 709.33 d 505.00 i 400.50 i 321.50 208.00 64.38 e 128.13 a 167.78 c 331.50 i 538.00 h 842.17 a 2441.30
1976 811.88 b 770.11 b 741.93 a 501.00 338.50 275.00 99.00 125.00 g 182.22 c 369.00 f 639.00 e 515.00 k 4358.65
1977 940.73 e 427.50 h 715.14 b 426.67 c 379.00 133.50 126.50 f 42.50 i 281.79 b 364.50 k 756.11 c 837.57 d 4470.51
1978 562.50 g 461.00 g 389.50 i 488.57 b 379.23 a 140.50 105.63 d 168.00 343.89 c 396.80 a 759.83 a 961.55 c 3744.00
1979 1040.00 736.81 a 555.33 b 504.00 321.50 205.50 85.25 a 66.50 146.90 a 417.95 c 702.32 b 327.50 o 4782.06
1980 974.20 d 492.00 g 640.84 b 391.20 e 336.87 a 246.50 106.50 133.50 196.03 a 411.00 625.34 a 751.20 c 4813.19
1981 747.62 a 647.50 0.00 z 0.00 z 344.50 0.00 z 118.50 58.50 196.50 508.29 b 615.50 822.53 a 4059.44
1982 923.00 674.50 661.33 a 565.00 352.00 102.50 132.50 111.50 167.50 430.00 764.50 844.50 5728.83
1983 722.00 590.00 561.00 459.00 249.03 a 202.50 80.50 38.50 284.50 509.50 648.50 1053.50 5398.53
1984 817.50 660.00 568.00 506.50 412.00 226.00 95.50 62.50 264.00 526.00 500.00 j 988.50 5126.50
1985 939.50 750.50 686.00 473.50 338.50 183.00 9.00 71.00 273.50 467.50 534.00 l 1003.88 a 5195.88
1986 717.65 a 705.00 512.50 527.00 310.00 98.00 119.50 9.50 207.00 301.00 h 643.50 817.00 4666.65
1987 814.50 0.00 z 0.00 z 378.50 257.00 142.00 71.62 b 54.00 133.50 382.00 563.79 a 666.50 g 2796.91
1988 859.70 c 0.00 z 634.50 443.50 0.00 z 197.07 a 91.50 73.50 187.50 233.50 k 660.50 817.50 3965.27
1989 552.00 j 873.50 676.50 365.50 320.50 125.00 c 43.50 j 93.52 a 65.00 j 440.50 634.00 498.50 k 3529.02
1990 803.00 745.00 597.00 422.00 332.50 173.00 40.50 30.00 98.00 517.00 653.00 656.00 j 4411.00
1991 885.50 509.00 681.50 479.50 342.50 227.00 42.00 35.00 119.00 454.00 618.00 767.50 5160.50
1992 720.00 573.50 484.50 365.00 194.50 85.50 58.00 37.50 216.50 388.50 649.50 915.00 4688.00
1993 690.50 i 741.00 546.00 434.50 167.50 190.00 149.00 73.00 154.00 352.00 809.00 809.50 4425.50
1994 686.50 722.50 550.00 370.50 246.50 160.50 41.50 29.00 71.00 444.00 752.50 814.00 4888.50
1995 745.00 618.00 592.00 453.50 222.00 125.50 48.50 131.00 73.50 302.00 j 374.00 j 819.50 3828.50
1996 0.00 z 713.00 597.00 411.00 425.00 186.50 55.50 23.00 j 254.50 474.00 513.00 i 908.50 4025.00
1997 861.00 642.00 643.00 455.00 210.50 156.50 57.00 7.50 i 72.50 j 301.50 i 409.50 i 555.50 i 3025.00
1998 802.50 587.50 564.00 444.00 271.00 149.50 3.00 k 26.00 k 122.00 233.50 n 405.00 j 821.00 3761.50
1999 776.66 c 653.50 646.50 465.52 a 254.00 l 157.00 h 48.00 m 38.50 i 129.00 i 294.50 j 403.50 j 467.00 l 2542.18
2000 551.00 k 677.36 a 628.50 403.39 b 253.50 i 128.50 h 33.50 l 51.00 i 108.50 l 309.00 i 490.50 j 554.00 j 1709.25
2001 580.00 g 700.50 616.38 a 499.66 a 264.50 g 230.00 98.17 a 46.50 164.46 b 354.50 g 462.00 g 849.63 d 3205.30
2002 770.00 651.50 720.00 477.00 400.50 82.00 j 52.50 i 49.00 i 194.00 316.50 j 339.50 m 770.50 3983.50
2003 677.50 682.50 593.00 494.50 243.00 j 88.00 i 22.50 k 7.50 t 77.00 m 0.00 z 511.00 k 597.00 h 2447.50
2004 810.00 669.50 555.50 400.50 207.00 i 74.00 i 34.00 j 24.50 h 169.00 i 291.50 j 442.50 j 538.00 j 2435.50
2005 817.50 702.50 562.50 440.00 171.50 j 152.00 h 29.00 m 51.50 i 0.00 z 242.00 k 495.50 j 582.00 j 2522.50
2006 534.00 i 734.00 681.00 468.62 a 239.00 h 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1883.62
Period of Record Statistics
MEAN 856.91 687.32 646.95 476.57 322.96 178.52 83.20 83.20 189.54 451.16 674.67 840.65 5519.04
S.D. 115.85 74.08 68.40 58.64 70.50 54.80 35.54 44.96 63.54 51.46 66.33 83.92 412.45
SKEW 1.07 -0.08 0.01 0.17 -0.17 0.01 0.16 0.59 0.02 -0.29 0.18 0.36 0.25
MAX 1256.00 873.50 828.50 619.00 475.50 282.50 168.50 214.00 343.89 542.50 837.00 1053.50 6665.00
MIN 677.50 509.00 484.50 365.00 167.50 80.17 6.50 9.50 71.00 346.50 539.00 680.00 4688.00
NO YRS 48 53 54 55 50 50 48 46 51 42 44 46 25