DALLESPORT FCWOS AP, WASHINGTON

Monthly Total Heating Degree Days

(451968)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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 13.50 5.00 138.00 411.50 679.50 996.00 2243.50
1949 1325.50 802.50 593.50 294.50 130.50 63.50 7.50 2.00 62.00 455.50 548.50 804.50 5090.00
1950 1423.00 913.50 666.00 450.00 234.50 83.50 3.50 3.50 64.50 408.50 649.50 777.50 5677.50
1951 922.00 729.00 697.00 318.00 187.00 33.50 5.68 a 23.50 55.50 402.00 705.00 983.00 5061.18
1952 1153.50 761.50 624.50 340.86 a 170.00 95.00 3.00 6.00 39.50 197.00 864.00 882.50 5137.36
1953 649.50 599.00 561.50 413.50 285.00 127.50 0.50 14.98 a 59.00 288.50 598.50 722.00 4319.48
1954 1012.00 698.00 673.00 408.50 191.00 128.00 23.50 18.50 74.00 421.00 525.00 911.00 5083.50
1955 870.07 a 724.50 752.50 528.50 274.00 71.50 38.00 2.50 117.50 376.50 847.00 952.00 5554.57
1956 963.50 969.50 622.50 301.00 127.50 102.50 0.00 20.50 53.50 415.00 729.50 834.50 5139.50
1957 1348.00 762.50 624.50 320.00 94.00 26.00 1.00 2.00 25.50 409.50 690.50 784.00 5087.50
1958 798.50 535.00 640.50 396.00 73.00 17.50 0.00 0.00 73.50 312.50 651.50 779.00 4277.00
1959 887.00 689.50 585.00 351.50 277.00 66.50 13.50 5.00 106.00 320.50 757.00 910.50 4969.00
1960 1246.00 796.50 691.50 427.00 311.50 50.00 3.00 50.00 66.00 349.50 741.50 1065.50 5798.00
1961 946.00 650.50 631.00 447.41 a 249.00 44.48 a 6.00 0.00 142.00 471.00 807.50 884.50 5279.40
1962 994.50 748.50 710.50 330.50 283.00 66.00 11.00 4.00 48.50 341.00 583.00 794.50 4915.00
1963 1048.50 632.50 570.50 447.50 180.50 59.00 7.00 7.00 22.00 295.50 626.00 984.00 4880.00
1964 818.50 673.50 652.00 450.00 247.00 66.00 2.50 18.00 84.50 360.00 730.50 1048.00 5150.50
1965 888.50 617.00 616.50 331.00 217.00 43.00 5.50 9.50 89.50 250.00 588.00 914.00 4569.50
1966 879.00 664.00 587.50 323.50 164.50 76.00 15.50 1.50 30.50 334.00 592.50 786.00 4454.50
1967 690.50 560.50 620.00 469.00 135.00 1.00 0.00 0.00 8.00 277.50 625.50 789.50 4176.50
1968 835.00 570.50 403.00 293.50 64.00 38.50 0.00 24.00 65.50 436.00 659.00 990.50 4379.50
1969 1300.00 841.50 582.50 405.50 92.00 18.50 0.00 3.50 56.00 432.00 652.50 857.00 5241.00
1970 1033.50 663.00 600.00 471.00 148.50 39.50 0.00 0.00 121.00 417.00 679.50 921.00 5094.00
1971 771.50 655.00 703.50 432.00 151.50 71.00 15.00 5.50 119.50 373.50 701.00 959.00 4958.00
1972 979.50 791.00 563.00 526.00 149.50 36.50 9.50 6.00 173.00 423.00 621.50 1176.50 5455.00
1973 1015.50 702.50 567.50 335.50 176.00 69.00 0.50 10.50 61.50 339.50 768.00 787.00 4833.00
1974 1078.50 660.50 600.00 382.00 231.00 30.50 14.00 0.00 21.50 314.50 578.00 752.00 4662.50
1975 857.50 784.00 663.00 475.50 170.50 56.00 1.50 16.00 28.00 334.00 703.00 775.50 4864.50
1976 823.00 760.50 701.00 420.00 158.00 78.00 6.00 9.50 14.00 322.00 607.50 904.50 4804.00
1977 1092.00 626.00 589.00 249.00 221.00 6.50 9.00 6.00 106.00 324.50 755.00 821.50 4805.50
1978 923.50 669.50 523.00 378.00 195.00 16.50 1.50 6.00 66.50 261.00 823.00 955.00 4818.50
1979 1443.00 792.00 503.50 335.00 104.00 26.00 6.00 0.00 11.00 221.00 747.50 788.50 4977.50
1980 1154.00 801.00 601.00 325.50 140.50 70.50 7.50 9.50 43.50 339.50 614.00 822.00 4928.50
1981 749.00 700.00 534.00 396.00 162.50 68.50 16.00 0.00 c 111.50 416.00 660.50 841.00 4655.00
1982 877.82 a 729.50 578.50 445.50 131.00 26.00 3.50 0.00 59.00 369.50 764.50 856.50 4841.32
1983 744.50 621.50 450.00 341.50 120.00 58.50 18.50 0.00 129.50 337.50 553.00 1177.00 4551.50
1984 917.50 703.50 497.50 428.50 238.00 66.50 0.00 0.00 104.50 389.50 656.50 959.50 4961.50
1985 1009.00 798.50 612.50 337.50 140.00 16.50 0.00 7.50 148.00 397.00 1006.00 1263.00 5735.50
1986 927.50 704.00 465.00 408.50 206.00 17.00 18.50 0.00 153.00 282.00 609.00 927.50 4718.00
1987 976.50 640.50 558.00 278.50 126.50 29.00 7.00 0.00 39.00 261.50 614.00 887.50 4418.00
1988 938.50 642.50 560.00 321.00 199.50 75.50 13.00 0.50 61.00 156.00 585.00 833.00 4385.50
1989 760.00 970.50 636.00 251.00 163.50 21.50 5.00 0.50 26.50 323.00 544.00 874.00 4575.50
1990 747.00 713.50 527.00 240.00 208.50 55.00 3.50 0.00 1.50 364.50 544.00 1117.50 4522.00
1991 945.00 570.00 618.50 385.00 220.50 85.50 0.00 1.00 15.00 337.00 630.50 783.00 4591.00
1992 771.00 595.00 443.50 317.50 91.50 14.50 0.00 3.50 72.00 279.50 625.00 1003.00 4216.00
1993 1189.50 902.50 674.00 399.50 94.00 42.00 5.00 8.50 58.50 251.50 853.50 853.50 5332.00
1994 729.00 790.50 517.50 262.00 111.00 54.00 1.00 0.00 2.00 297.50 682.50 825.50 4272.50
1995 891.50 560.50 531.00 355.50 90.00 42.00 0.00 3.00 35.50 368.50 540.00 846.50 4264.00
1996 867.50 847.50 537.50 300.50 213.50 23.50 9.50 0.00 73.00 322.50 677.50 905.50 4778.00
1997 897.50 630.00 544.50 335.50 85.50 13.50 0.50 0.00 20.00 309.50 574.50 779.50 4190.50
1998 847.50 554.50 471.00 296.00 140.00 14.00 0.00 0.00 13.00 391.00 539.00 843.20 a 4109.20
1999 692.00 608.00 559.50 343.50 216.00 59.50 8.50 6.00 44.50 368.00 565.00 749.00 4219.50
2000 902.00 712.00 593.50 286.50 172.00 34.50 6.50 0.00 z 0.00 z 342.00 803.00 902.50 4754.50
2001 870.00 725.00 541.50 410.00 129.50 71.50 0.00 0.00 32.50 354.00 651.00 835.00 4620.00
2002 806.50 670.00 657.00 375.00 197.50 36.00 1.00 2.00 49.50 401.50 704.00 788.00 4688.00
2003 724.00 645.00 497.50 402.50 194.50 23.00 0.00 0.00 29.00 263.50 744.50 873.00 4396.50
2004 1033.50 722.00 95.00 z 270.50 134.00 46.00 0.00 0.00 55.00 251.00 576.00 808.00 3896.00
2005 895.00 723.00 502.50 376.00 146.00 68.00 0.00 0.00 58.50 319.50 721.00 1054.50 4864.00
2006 766.00 763.50 620.50 372.00 182.00 17.50 0.00 6.00 64.50 373.00 698.50 930.00 4793.50
2007 972.50 688.00 506.00 380.50 155.50 58.50 0.00 1.00 81.50 422.50 719.00 866.50 4851.50
2008 972.50 630.00 656.50 514.50 164.50 90.50 0.00 7.00 52.50 370.00 596.00 1040.00 5094.00
2009 860.50 770.50 680.00 397.50 182.00 8.50 0.00 0.00 58.00 406.50 673.00 1071.50 5108.00
2010 782.00 591.50 549.50 382.50 219.00 62.00 3.00 3.50 32.50 290.00 693.00 872.00 4480.50
2011 789.50 724.00 620.50 482.00 243.50 43.50 0.00 0.00 26.50 282.00 651.50 909.00 4772.00
2012 895.00 701.50 616.50 347.50 171.50 72.00 2.50 0.00 14.00 317.50 567.50 817.00 4522.50
2013 945.00 626.00 543.50 6.00 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 2114.50
Period of Record Statistics
MEAN 936.34 704.91 587.82 372.14 173.15 49.87 5.43 5.31 61.99 342.28 668.79 895.46 4805.94
S.D. 176.32 96.34 72.49 69.54 56.70 28.34 7.10 8.35 40.60 64.63 94.50 113.37 400.03
SKEW 1.06 0.66 -0.17 0.22 0.26 0.51 2.04 2.97 0.78 -0.39 0.91 1.07 0.39
MAX 1443.00 970.50 752.50 528.50 311.50 128.00 38.00 50.00 173.00 471.00 1006.00 1263.00 5798.00
MIN 649.50 535.00 403.00 240.00 64.00 1.00 0.00 0.00 1.50 156.00 525.00 722.00 4109.20
NO YRS 65 65 64 64 64 64 65 64 64 65 65 65 62