PENDLETON DOWNTOWN, OREGON

Monthly Total Heating Degree Days

(356541)

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
1892 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 145.00 426.50 319.50 j 1050.50 1622.00
1893 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 167.00 28.50 16.50 201.50 521.50 746.50 746.07 a 2427.57
1894 969.50 925.50 657.00 446.50 286.00 138.00 3.00 1.00 k 0.00 z 427.69 d 541.00 928.00 5322.19
1895 1062.00 663.00 670.00 367.50 237.00 82.00 12.00 13.00 262.00 398.00 696.00 867.00 5329.50
1896 801.87 a 623.00 677.00 507.00 342.00 87.00 3.00 3.00 206.00 414.00 895.00 782.00 5340.87
1897 1019.00 726.00 802.00 294.00 131.75 a 105.00 31.50 15.00 162.00 416.00 692.07 a 842.00 5236.32
1898 960.00 548.00 725.50 379.50 245.13 d 54.00 j 13.00 3.00 108.00 437.00 729.00 1120.50 5268.63
1899 902.50 917.50 667.00 421.00 294.00 70.00 5.00 36.00 33.00 415.50 475.50 836.50 5073.50
1900 738.50 738.50 443.00 359.50 105.00 7.00 0.00 8.00 104.00 381.00 687.00 691.50 4263.00
1901 893.00 799.04 a 551.28 a 398.50 197.76 b 106.50 15.50 0.00 154.50 238.50 558.00 816.50 4729.08
1902 1016.00 639.00 418.00 f 211.00 o 185.50 70.00 24.00 7.00 100.00 0.00 z 660.00 920.50 3622.00
1903 834.50 880.50 700.50 497.50 262.00 20.00 18.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3213.00
1904 0.00 z 0.00 z 655.50 272.00 203.00 94.50 21.50 32.00 134.50 408.00 598.50 868.00 3287.50
1905 952.73 a 942.15 a 573.00 391.50 295.50 62.00 0.50 30.00 125.00 639.00 802.00 939.50 5752.88
1906 848.50 733.00 780.00 364.50 255.50 128.00 0.00 14.50 136.00 364.25 a 709.50 843.50 5177.25
1907 1253.50 772.50 691.00 466.07 b 193.00 103.00 6.50 61.00 180.00 314.50 639.00 839.00 5519.07
1908 924.50 807.50 618.00 394.50 292.00 80.00 2.00 46.50 139.00 447.00 637.50 974.50 5363.00
1909 1250.50 663.50 607.50 450.50 268.50 39.00 21.50 20.50 75.00 382.50 625.50 1137.50 5542.00
1910 1103.00 992.50 424.00 272.00 185.00 90.00 2.00 55.00 179.00 390.50 641.00 776.00 5110.00
1911 889.00 876.50 560.00 429.00 306.50 69.00 1.50 3.00 215.00 444.00 416.50 k 0.00 z 3793.50
1912 272.50 u 728.50 766.00 463.89 c 217.00 79.00 21.50 55.00 186.00 506.00 600.52 a 846.41 c 4469.82
1913 1022.50 997.00 711.00 375.50 197.50 31.07 b 9.50 4.50 134.00 506.50 618.50 1006.50 5614.07
1914 680.00 785.56 a 529.00 350.50 140.00 91.50 0.00 0.00 a 132.50 383.50 679.50 1167.50 4939.56
1915 1011.50 592.50 504.50 271.03 a 232.50 70.00 5.50 0.00 124.00 343.50 679.50 862.50 4697.03
1916 1429.58 e 670.50 h 571.20 d 361.07 b 330.00 115.50 25.50 22.50 135.50 504.00 864.00 1041.50 5400.35
1917 983.73 a 792.00 779.00 486.50 272.50 106.50 5.00 0.00 60.50 330.50 608.00 617.00 5041.23
1918 775.50 727.00 549.00 432.50 299.00 31.00 0.50 23.00 47.00 312.00 709.50 857.50 4763.50
1919 933.50 745.00 585.00 354.31 a 223.00 86.00 2.00 0.00 147.41 a 501.68 a 736.50 1293.00 5607.41
1920 1034.00 808.50 609.00 478.00 274.00 111.00 8.50 42.76 b 116.54 d 434.55 c 732.50 806.00 5455.35
1921 851.50 651.00 549.50 440.00 221.00 29.50 11.50 11.00 219.00 370.00 688.00 1013.91 b 5055.91
1922 1256.53 a 852.00 676.00 472.00 250.50 12.00 0.00 16.50 104.50 408.50 857.00 1049.87 a 5955.40
1923 727.98 a 977.31 b 619.48 a 366.00 188.00 93.75 b 10.50 h 0.00 116.25 b 458.00 621.00 834.50 5002.27
1924 1096.50 556.00 650.00 407.00 98.50 29.00 7.00 21.00 137.00 337.50 711.50 1209.00 5260.00
1925 737.36 c 526.62 b 381.00 j 269.50 126.87 d 74.44 c 1.07 b 19.00 n 144.64 b 415.50 678.00 760.50 3734.50
1926 666.00 g 522.67 a 485.31 b 231.11 c 0.00 z 0.00 z 3.00 u 1.50 248.89 c 321.88 a 613.50 935.50 3360.36
1927 1077.25 a 629.50 670.00 484.00 305.35 a 23.00 1.00 20.31 b 167.50 354.00 529.66 a 1097.92 a 5359.48
1928 1084.00 813.07 b 538.00 432.86 b 138.97 b 71.90 a 4.28 b 4.65 a 113.40 e 92.00 y 658.33 c 973.29 b 4832.75
1929 1276.50 1161.48 a 562.28 b 490.00 199.95 a 53.28 a 3.00 4.00 178.00 490.12 b 946.07 b 832.72 b 6197.40
1930 1657.39 c 600.50 537.00 285.00 236.00 80.89 b 0.00 a 0.50 106.03 a 485.15 a 745.00 967.72 a 5701.19
1931 809.00 702.50 594.50 347.50 100.00 36.67 c 0.00 0.00 152.50 487.73 a 870.50 1087.00 5187.90
1932 1013.50 917.00 629.00 496.50 353.92 a 145.71 b 3.50 j 12.50 98.04 b 347.20 a 560.19 d 1070.57 b 5644.13
1933 814.00 838.44 a 553.50 395.40 e 297.00 33.00 1.50 11.88 a 135.00 299.50 652.76 a 642.00 4673.99
1934 662.50 569.00 388.00 180.00 124.50 69.00 23.00 8.00 188.50 365.50 551.00 800.50 3929.50
1935 921.00 693.50 655.50 512.00 0.00 z 50.89 b 30.00 25.50 73.00 452.50 830.50 959.40 b 5203.79
1936 842.50 1246.50 628.00 272.50 108.00 37.00 0.00 0.00 95.00 277.50 937.00 816.00 5260.00
1937 1572.50 820.00 573.00 432.50 240.50 91.55 a 5.00 54.50 135.00 312.07 a 612.50 837.00 5686.12
1938 891.50 770.00 615.00 387.50 244.56 d 73.00 13.36 b 24.50 46.00 380.50 779.50 896.00 5121.42
1939 781.50 800.50 582.50 373.00 195.50 126.50 10.50 17.00 123.00 399.50 710.50 758.50 4878.50
1940 1031.00 660.00 493.00 373.00 165.50 0.00 z 3.00 12.63 d 82.00 306.50 887.00 918.00 4931.63
1941 958.00 676.00 540.50 368.00 248.00 82.50 0.00 30.00 203.00 463.50 642.50 816.50 5028.50
1942 1320.00 787.00 655.50 380.00 310.00 144.00 8.50 39.50 129.50 376.00 731.00 817.50 5698.50
1943 1186.50 764.50 703.50 363.00 316.50 164.00 14.50 24.00 76.00 410.00 730.00 981.00 5733.50
1944 985.00 810.50 693.00 408.50 230.00 112.50 15.00 18.00 109.50 303.50 729.50 1011.50 5426.50
1945 884.50 689.50 664.50 462.50 209.00 123.50 2.50 22.50 184.00 381.50 684.00 986.50 5294.50
1946 825.00 662.50 633.50 403.00 215.00 111.72 a 8.00 14.50 167.50 516.50 778.00 876.78 a 5212.01
1947 1079.00 667.50 531.81 b 352.50 127.00 99.50 0.50 37.00 103.00 325.50 670.00 828.00 4821.31
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 16.50 18.00 208.00 494.50 687.00 1053.50 2477.50
1949 1481.50 846.42 d 656.17 a 323.04 b 148.50 84.50 11.50 17.00 125.50 543.50 582.00 821.00 5640.62
1950 1489.55 a 881.50 678.00 482.00 284.50 107.00 4.50 9.50 137.50 377.50 666.00 779.00 5896.55
1951 931.50 758.50 732.50 445.50 241.00 93.00 11.00 36.00 134.00 444.00 716.00 1028.50 5571.50
1952 1091.50 733.50 667.00 367.50 204.00 105.00 15.00 30.50 97.00 321.00 937.00 895.50 5464.50
1953 593.43 c 659.00 612.50 467.00 328.00 191.50 11.22 b 26.00 125.00 428.50 599.50 759.00 4800.65
1954 954.00 701.00 774.00 473.50 236.00 148.97 a 20.50 54.00 196.50 515.50 585.50 952.00 5611.47
1955 955.50 806.50 798.00 571.50 349.50 56.00 f 55.28 a 28.50 227.00 442.50 897.00 971.00 6102.28
1956 958.50 1046.50 684.00 399.00 202.00 141.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3431.50
1957 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
1958 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
1959 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
1960 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
1961 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
1962 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
1963 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
1964 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
1965 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
1966 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
1967 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
1968 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
1969 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
1970 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
1971 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
1972 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
1973 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
1974 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
1975 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
1976 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
1977 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
1978 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
1979 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
1980 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
1981 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
1982 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
1983 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
1984 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
1985 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
1986 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
1987 0.00 z 0.00 z 0.00 z 0.00 z 157.07 a 78.10 a 19.50 0.00 z 90.52 a 0.00 z 661.03 a 950.00 1956.22
1988 989.50 750.89 a 612.54 d 365.69 a 245.93 a 116.00 21.50 f 12.73 c 120.58 d 228.37 a 593.50 965.13 a 5000.86
1989 809.00 1111.00 653.50 341.50 238.00 35.50 10.50 15.00 101.00 415.50 471.00 f 622.50 l 3730.50
1990 777.50 0.00 z 592.00 0.00 z 205.50 76.50 9.50 12.00 31.50 0.00 z 568.50 1227.50 3500.50
1991 1044.50 559.50 672.50 421.00 274.50 107.00 0.50 2.50 61.00 438.00 708.50 866.50 5156.00
1992 790.00 638.50 531.00 342.50 119.00 35.50 5.00 34.00 125.50 369.00 714.00 994.50 4698.50
1993 1234.32 a 977.50 700.17 b 418.50 140.00 59.50 16.50 6.50 i 138.50 370.00 901.00 856.50 5812.49
1994 737.50 808.50 584.50 321.00 149.50 86.50 21.00 0.50 p 45.00 404.50 707.00 860.00 4725.00
1995 943.50 619.00 601.50 436.50 227.50 98.50 4.00 43.00 60.00 426.00 571.50 907.02 b 4938.02
1996 870.50 917.12 a 630.33 a 363.50 273.50 71.00 6.50 5.50 139.00 401.50 714.00 895.90 a 5288.36
1997 1030.50 709.00 566.50 462.00 190.50 79.00 19.00 1.00 113.00 416.00 669.50 913.00 5169.00
1998 837.50 635.00 595.50 453.50 270.50 0.00 z 0.00 z 0.00 z 57.00 442.50 0.00 z 0.00 z 3291.50
1999 0.00 z 0.00 z 0.00 z 0.00 z 265.16 c 82.00 14.47 a 13.29 c 138.21 b 422.00 563.28 a 794.00 2292.40
2000 882.00 715.50 594.00 320.17 a 155.53 b 0.00 z 1.50 21.70 a 142.00 443.00 848.50 981.67 a 5105.57
2001 955.00 785.50 577.78 b 453.00 189.74 b 0.00 z 3.21 b 9.30 a 57.86 b 420.80 d 635.56 c 799.91 c 4887.64
2002 820.00 696.00 697.50 398.50 233.50 64.00 4.00 19.50 120.00 518.50 0.00 z 779.50 4351.00
2003 0.00 z 701.50 479.50 411.50 253.00 34.00 1.00 0.50 70.50 273.00 786.50 878.00 3889.00
2004 0.00 z 717.50 451.00 366.00 171.00 75.00 0.00 6.50 90.00 b 337.00 679.00 817.50 3710.50
2005 911.00 744.50 492.50 0.00 z 135.00 61.50 0.00 2.50 115.00 334.00 737.00 1057.50 4590.50
2006 677.50 772.50 592.50 370.50 202.00 43.00 4.00 9.00 f 108.00 408.50 640.00 948.00 4766.50
2007 995.00 707.00 515.50 410.50 0.00 z 51.00 0.00 17.00 127.50 430.50 711.50 858.50 4824.00
2008 977.50 653.00 442.00 j 303.50 k 211.04 e 113.65 d 3.00 18.50 111.00 0.00 z 476.00 f 1011.08 e 3098.77
2009 743.00 f 786.50 732.00 444.50 205.52 d 24.00 0.00 z 9.00 f 65.00 g 515.00 503.50 h 1107.00 3814.52
2010 766.65 e 607.50 553.00 422.50 314.00 102.60 e 18.50 15.00 f 74.00 356.00 759.50 872.00 4846.25
2011 851.31 e 764.40 c 590.66 c 496.67 c 329.78 b 105.00 b 17.05 a 1.07 b 73.27 d 372.00 c 645.00 e 973.83 b 5220.03
2012 867.00 790.52 b 605.57 b 402.86 b 244.26 b 107.22 c 14.43 b 13.29 c 82.80 e 427.36 c 477.50 g 803.93 a 4359.23
2013 1056.67 b 698.17 e 563.88 b 19.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 38.50 z 2318.73
Period of Record Statistics
MEAN 974.20 762.95 614.47 397.81 224.89 82.76 9.50 17.87 126.69 405.59 696.92 914.33 5244.93
S.D. 206.35 139.47 86.49 70.98 64.55 38.11 9.80 15.56 49.18 73.16 103.58 127.75 423.54
SKEW 1.14 0.95 -0.06 -0.44 -0.08 0.26 1.63 0.94 0.41 0.15 0.59 0.50 -0.52
MAX 1657.39 1246.50 802.00 571.50 353.92 191.50 55.28 61.00 262.00 639.00 946.07 1293.00 6197.40
MIN 593.43 522.67 388.00 180.00 98.50 7.00 0.00 0.00 31.50 228.37 475.50 617.00 3929.50
NO YRS 81 84 84 82 85 82 83 79 87 84 81 86 51