ARLINGTON, OREGON

Monthly Total Heating Degree Days

(350265)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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
1893 1140.36 c 1038.50 675.28 a 445.50 201.00 76.00 6.09 c 2.14 b 145.34 a 464.50 696.72 a 747.50 5638.94
1894 948.00 637.50 h 648.00 415.50 224.00 89.00 0.00 0.52 a 140.50 462.70 d 526.55 a 991.00 4445.77
1895 1151.13 a 647.50 644.00 337.00 204.60 a 49.29 b 10.00 4.00 186.00 346.00 681.00 e 878.52 c 5139.04
1896 892.50 340.50 l 322.50 o 152.50 s 147.00 n 57.78 c 0.00 a 7.00 113.00 346.00 0.00 z 846.00 2262.28
1897 987.00 704.08 d 745.50 278.00 97.00 44.00 7.75 a 1.50 g 104.00 350.50 645.00 a 930.00 4892.83
1898 959.97 a 579.70 a 644.00 325.50 174.50 49.66 a 1.50 0.50 g 39.50 j 405.58 a 706.50 775.50 f 3846.91
1899 992.00 c 876.50 630.50 398.00 238.00 58.00 6.50 43.29 b 31.50 406.21 b 512.22 c 619.00 g 4192.72
1900 464.47 b 97.50 v 333.00 271.07 b 60.00 0.00 0.00 h 2.00 56.00 361.00 0.00 z 0.00 z 1547.54
1901 0.00 z 724.89 a 530.00 411.50 160.50 102.50 11.50 1.00 97.00 h 0.00 z 0.00 z 0.00 z 1941.89
1902 475.00 u 0.00 z 233.00 s 377.50 181.50 59.50 33.00 11.00 110.50 282.50 669.31 a 936.00 2660.81
1903 885.00 694.50 f 627.00 430.50 142.00 19.00 9.82 a 1.50 66.00 f 175.00 0.00 z 954.11 d 3243.93
1904 834.42 a 775.00 694.50 285.50 164.00 80.50 16.00 1.50 40.50 316.50 605.00 854.00 4667.42
1905 961.00 829.50 456.00 289.50 201.50 46.00 0.00 14.50 28.00 516.00 777.50 895.00 5014.50
1906 863.50 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 0.00 z 863.50
1907 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
1908 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
1909 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
1910 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
1911 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
1912 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
1913 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
1914 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
1915 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
1916 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
1917 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
1918 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
1919 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
1920 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
1921 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
1922 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
1923 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
1924 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1.50 0.00 1.00 84.50 334.00 700.34 a 1166.00 2287.34
1925 776.50 535.23 b 488.25 a 203.00 63.00 29.00 0.00 7.50 40.18 b 257.00 i 696.21 a 745.00 3583.87
1926 715.14 b 536.50 396.00 181.50 106.29 c 4.50 0.00 0.00 a 155.00 293.97 b 618.62 a 895.50 3903.01
1927 1065.00 625.00 553.50 351.00 149.00 0.00 z 0.00 z 0.00 z 0.00 z 205.00 j 502.76 a 1012.50 4258.76
1928 1046.00 741.50 486.00 361.50 69.00 14.00 0.00 0.00 d 60.00 a 317.00 650.00 958.50 4703.50
1929 1203.00 1122.00 506.00 350.00 96.50 16.50 0.00 1.50 124.00 290.50 797.00 806.50 5313.50
1930 1517.50 594.00 455.00 179.50 115.50 30.50 0.00 0.00 62.50 419.02 a 674.00 0.00 z 4047.52
1931 0.00 z 0.00 z 0.00 z 0.00 z 6.00 t 42.00 0.00 0.50 67.50 0.00 z 0.00 z 1121.17 a 1231.17
1932 991.00 840.50 584.50 331.50 162.50 46.00 4.50 10.50 51.50 307.50 623.00 1075.00 5028.00
1933 909.00 940.00 613.00 363.50 276.00 27.50 0.00 17.00 0.00 z 0.00 z 151.00 w 745.50 3891.50
1934 784.00 605.00 457.00 169.62 d 117.05 b 17.50 0.00 2.00 108.00 211.50 549.00 770.50 3791.17
1935 966.50 662.67 a 659.00 399.50 49.37 d 11.50 3.50 0.00 z 33.50 389.05 a 831.00 965.98 c 4971.57
1936 874.09 c 1233.02 a 621.00 246.00 101.27 a 37.50 0.00 a 0.00 77.50 208.50 856.50 781.50 5036.87
1937 1487.50 898.50 538.50 443.00 151.50 50.00 2.50 12.92 a 71.00 215.50 578.50 829.50 5278.92
1938 905.50 790.00 624.50 355.34 a 204.08 a 44.00 1.50 8.00 4.50 354.95 a 763.00 855.00 4910.38
1939 786.50 762.00 542.00 275.69 a 76.97 b 63.50 0.00 4.50 43.97 a 284.00 650.50 799.50 4289.12
1940 1040.50 726.50 458.50 339.00 129.00 12.00 0.00 0.00 37.50 267.00 848.00 931.00 4789.00
1941 967.00 707.00 463.50 290.50 178.00 28.50 0.00 6.72 a 75.00 336.50 604.00 832.00 4488.72
1942 1260.50 730.00 599.50 337.50 216.00 93.10 a 2.00 9.82 a 37.50 256.50 759.50 0.00 z 4301.92
1943 1212.50 749.00 676.50 313.50 255.00 98.00 4.00 5.00 7.00 347.00 726.00 986.00 5379.50
1944 1021.00 766.00 635.50 378.00 179.50 63.50 2.00 0.00 58.50 181.50 744.00 1022.00 5051.50
1945 853.50 665.00 675.50 433.00 151.00 69.50 0.00 2.50 121.50 256.50 719.50 996.50 4944.00
1946 855.50 674.50 607.50 367.00 115.00 72.00 2.50 2.00 82.00 468.50 783.50 0.00 z 4030.00
1947 0.00 z 0.00 z 433.00 232.50 42.50 23.00 0.00 a 1.50 35.00 287.50 561.00 778.21 b 2394.21
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 6.00 0.00 105.54 b 394.50 640.34 a 975.50 2121.88
1949 1440.50 792.50 535.50 237.00 95.07 a 58.93 b 1.00 1.50 l 81.00 511.00 577.76 a 772.00 5102.25
1950 1328.50 858.00 611.50 385.86 a 155.00 32.59 a 1.00 1.50 50.69 a 344.10 a 590.50 769.50 5128.74
1951 872.50 703.50 664.50 289.00 111.17 b 20.69 a 1.50 5.50 38.50 354.00 703.50 964.10 a 4728.46
1952 1103.00 689.50 553.50 277.76 a 102.50 48.00 2.00 2.00 24.50 175.15 a 889.00 854.57 a 4721.48
1953 590.50 568.50 509.84 c 350.50 189.00 67.50 0.00 2.21 c 50.00 287.00 570.00 713.00 3898.05
1954 962.55 a 638.50 625.68 a 373.45 a 137.43 a 71.38 a 3.50 8.00 49.82 b 390.08 a 501.43 b 284.00 t 3761.83
1955 317.00 s 704.15 a 694.00 482.59 a 215.34 c 26.90 a 14.50 1.00 0.00 z 191.50 j 783.62 a 935.50 3857.59
1956 930.00 973.50 563.00 231.00 87.32 a 49.14 a 0.00 a 4.50 33.75 b 357.53 a 789.83 a 800.63 e 4820.20
1957 1310.50 698.00 575.50 309.83 a 52.50 13.00 1.00 2.00 34.00 420.00 826.00 756.00 4998.33
1958 834.00 555.50 669.50 418.50 76.00 7.50 b 0.00 0.00 b 94.50 374.50 633.10 a 833.00 4496.10
1959 947.00 708.00 580.50 346.00 273.66 b 39.50 5.00 3.50 100.50 341.00 823.00 974.00 5141.66
1960 1249.50 770.57 a 647.50 375.58 d 211.50 h 32.78 c 0.00 d 17.00 47.00 291.50 674.50 1017.50 5123.43
1961 878.00 575.50 318.50 j 342.32 b 166.00 10.50 0.00 0.00 103.45 a 387.50 857.00 862.00 4182.27
1962 956.00 721.00 667.50 277.76 a 245.50 47.50 4.50 4.00 56.00 361.00 595.71 b 804.97 a 4741.44
1963 1153.72 a 675.50 572.50 434.00 183.42 a 43.00 0.00 0.00 20.17 a 258.50 598.50 990.00 4929.31
1964 787.50 690.50 663.50 354.50 f 180.46 c 37.00 0.00 13.00 72.00 379.75 a 728.00 993.00 4544.71
1965 857.00 606.85 b 650.00 272.59 a 164.00 21.50 0.00 14.47 a 97.50 246.50 590.00 912.50 4432.90
1966 857.50 655.50 568.50 338.50 110.00 38.00 7.50 1.00 27.00 307.50 600.00 759.00 4270.00
1967 679.00 555.00 615.50 472.00 119.35 a 2.50 0.00 0.00 14.00 279.50 691.50 882.50 4310.85
1968 858.59 c 628.50 488.00 384.00 107.00 13.50 0.00 6.50 33.00 406.00 626.00 967.50 4518.59
1969 1264.50 804.00 556.45 a 362.07 a 79.50 7.50 0.00 2.50 36.00 400.50 643.00 858.00 5014.02
1970 966.00 627.50 559.00 439.00 116.00 20.50 0.00 0.00 121.50 410.00 671.50 913.00 4844.00
1971 766.00 654.00 675.00 403.50 104.50 45.50 8.00 0.00 131.00 383.00 639.00 875.50 4685.00
1972 897.00 751.00 510.50 460.00 101.50 4.50 2.00 1.00 142.50 400.93 a 606.50 1144.79 c 5022.22
1973 1076.45 b 0.00 z 510.43 b 328.93 b 139.50 39.83 a 0.00 0.00 z 0.00 z 203.00 k 685.50 763.00 3543.64
1974 1041.50 621.50 531.00 355.34 a 199.50 16.50 1.00 4.00 26.50 341.00 603.62 a 749.00 4490.47
1975 865.00 754.00 689.50 439.00 135.50 30.50 0.00 8.00 41.00 327.00 673.50 814.00 4777.00
1976 850.50 766.00 696.00 406.00 152.00 81.00 9.50 7.50 23.00 353.00 656.50 897.50 4898.50
1977 1122.50 627.00 573.00 228.00 217.50 10.00 5.50 4.00 106.00 366.50 703.00 805.00 4768.00
1978 921.00 662.00 496.50 280.50 183.00 8.00 2.00 4.50 85.50 363.00 864.00 976.50 4846.50
1979 1414.08 e 878.08 c 577.00 341.00 94.00 17.50 3.50 3.50 15.00 e 243.00 770.00 834.50 5191.16
1980 1178.00 843.50 611.50 312.50 112.50 49.50 2.50 12.00 44.50 397.50 646.00 765.00 4975.00
1981 768.50 698.00 538.50 374.00 169.47 a 49.50 11.50 0.00 103.00 404.50 654.00 838.00 4608.97
1982 911.00 780.00 623.00 489.50 176.50 30.50 0.00 o 0.50 85.00 401.00 473.00 j 901.50 4398.50
1983 766.50 625.00 492.00 369.50 134.00 27.50 8.50 0.00 101.00 312.50 528.00 1170.00 4534.50
1984 859.00 691.00 493.50 391.00 214.50 58.50 0.00 i 1.00 120.00 419.00 648.00 1082.50 4978.00
1985 1085.50 838.00 598.50 256.00 108.50 10.00 0.00 1.00 119.50 332.00 988.50 1225.00 5562.50
1986 868.50 627.50 401.50 333.50 151.50 1.00 12.50 0.00 85.00 m 344.50 610.00 946.00 4296.50
1987 989.50 673.50 533.50 236.50 96.00 20.50 0.00 3.00 70.50 366.00 663.00 948.50 4600.50
1988 969.00 693.00 607.00 328.50 172.00 75.50 2.50 0.00 104.50 215.50 613.50 922.00 4703.00
1989 745.50 1008.00 605.00 211.50 151.50 13.50 0.00 0.00 41.00 404.50 606.21 a 921.00 4707.71
1990 764.00 755.50 570.00 230.50 177.00 37.00 1.50 0.50 2.50 400.00 579.50 1183.50 4701.50
1991 1023.50 582.50 590.50 293.00 113.50 33.00 0.00 0.00 z 12.00 307.50 295.00 o 229.00 t 2955.50
1992 515.00 j 608.00 433.00 0.00 z 0.00 z 0.00 z 0.00 17.00 118.00 353.00 690.50 0.00 z 2219.50
1993 0.00 z 909.50 654.50 355.50 67.50 40.50 1.00 14.50 89.50 257.00 848.50 818.50 4056.50
1994 722.50 797.00 551.50 241.50 85.00 23.00 0.00 0.00 1.50 341.00 684.00 866.50 4313.50
1995 907.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3.00 p 19.00 348.50 513.50 847.00 2635.00
1996 863.87 a 914.00 582.50 323.50 209.00 26.00 9.00 0.00 81.00 330.50 680.50 920.50 4940.37
1997 933.50 684.50 567.00 412.00 117.00 14.50 0.00 0.00 32.50 346.50 595.00 820.50 4523.00
1998 880.00 607.50 510.50 332.00 156.00 2.00 0.00 1.00 19.50 367.50 524.50 833.38 a 4233.88
1999 740.00 622.50 592.00 408.50 242.00 50.00 12.50 9.00 74.00 380.50 530.00 750.72 a 4411.72
2000 871.00 733.00 582.50 280.00 125.50 30.50 2.00 0.50 83.00 360.00 813.00 942.50 4823.50
2001 880.00 739.50 532.50 368.00 132.50 42.50 0.00 0.00 34.66 a 321.50 605.50 797.00 4453.66
2002 770.50 692.50 645.50 330.00 144.00 21.50 0.50 0.00 38.00 392.50 688.50 783.50 4507.00
2003 737.00 651.00 446.50 329.00 156.50 10.50 0.00 0.00 16.50 196.33 a 713.00 814.50 4070.83
2004 1005.95 a 709.50 425.50 262.50 93.00 32.00 0.00 a 0.00 32.00 241.00 662.50 801.50 4265.45
2005 912.00 728.00 461.00 309.00 73.50 22.00 0.00 0.00 29.00 229.50 644.50 1009.00 4417.50
2006 702.00 751.00 563.50 338.00 156.00 5.00 0.50 4.50 57.50 376.00 648.50 968.50 4571.00
2007 983.50 723.50 532.50 363.50 115.00 34.00 0.00 2.00 70.00 407.00 692.50 860.50 4784.00
2008 984.50 660.50 657.00 485.50 173.60 a 75.50 0.00 5.50 67.50 346.50 603.00 1064.00 5123.10
2009 919.00 798.00 691.50 383.57 b 191.50 15.00 0.00 z 0.00 39.31 a 409.50 671.50 1140.50 5259.38
2010 790.50 643.00 575.50 409.50 240.00 60.50 3.00 3.50 33.50 324.00 720.00 916.00 4719.00
2011 854.00 768.50 642.00 506.50 261.00 58.50 5.00 0.00 36.50 304.00 679.50 969.50 5085.00
2012 939.50 746.00 616.00 363.00 207.38 b 93.10 a 5.50 2.00 28.00 347.00 603.00 800.00 4750.48
2013 986.50 658.50 573.50 15.00 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 2218.50
Period of Record Statistics
MEAN 951.67 727.76 573.25 341.42 148.09 37.26 2.93 4.04 64.45 338.92 672.44 901.09 4737.71
S.D. 187.44 124.24 80.88 74.64 54.85 24.93 4.94 6.14 40.04 70.96 96.95 115.44 372.59
SKEW 0.81 1.38 -0.45 -0.12 0.27 0.61 3.04 3.32 0.62 -0.25 0.63 0.73 -0.18
MAX 1517.50 1233.02 745.50 506.50 276.00 102.50 33.00 43.29 186.00 516.00 988.50 1225.00 5638.94
MIN 464.47 535.23 333.00 169.62 42.50 0.00 0.00 0.00 1.50 175.00 501.43 713.00 3791.17
NO YRS 95 92 96 95 95 98 96 94 94 95 94 92 67