UMATILLA, OREGON

Monthly Total Heating Degree Days

(358734)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 196510
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1893 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
1894 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
1895 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
1896 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
1897 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
1898 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
1899 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
1900 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
1901 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
1902 0.00 z 0.00 z 0.00 z 0.00 z 120.50 24.31 a 18.00 2.00 85.00 270.22 a 637.00 956.87 a 2113.89
1903 849.83 b 838.50 580.00 384.31 a 134.00 0.50 1.50 2.58 a 75.00 343.50 669.00 948.00 4826.72
1904 859.50 738.00 641.50 239.00 138.00 27.50 3.00 0.53 b 39.50 304.00 586.00 847.00 4423.53
1905 937.50 793.15 b 442.50 234.50 162.50 2.00 0.00 0.50 40.50 470.00 748.00 928.28 d 4759.43
1906 858.00 659.00 661.50 202.00 0.00 z 0.00 z 0.00 d 0.00 38.00 226.82 a 476.00 j 0.00 z 2645.32
1907 1215.00 751.00 564.50 315.50 79.10 b 21.50 0.00 b 0.00 z 57.22 c 134.50 605.00 804.00 4547.33
1908 823.57 a 687.50 551.44 e 134.50 s 193.50 34.50 2.07 a 5.17 a 79.00 358.00 625.00 951.50 4311.24
1909 1275.00 612.50 494.50 346.00 142.60 a 4.14 a 4.02 d 15.00 65.50 19.50 z 295.00 n 230.00 x 2959.26
1910 1032.76 d 877.00 400.00 207.50 71.50 27.00 0.00 17.00 81.00 281.50 642.50 829.00 4466.76
1911 936.00 817.00 494.00 342.50 198.00 20.50 0.00 0.00 122.00 411.50 684.50 893.50 4919.50
1912 722.50 i 673.00 628.00 293.00 92.00 26.50 10.00 21.00 118.50 420.50 627.50 875.00 3785.00
1913 1041.50 951.50 629.50 278.50 144.50 0.50 0.00 0.00 60.50 421.00 562.00 1011.50 5101.00
1914 760.50 753.50 461.50 280.50 42.00 55.50 0.00 0.00 82.50 324.50 644.50 1164.50 4569.50
1915 1048.50 611.00 407.50 148.50 92.50 6.00 0.00 0.00 50.00 253.00 659.48 a 934.50 4210.98
1916 1474.57 a 971.50 568.50 363.50 300.00 68.00 11.00 4.50 76.00 460.50 864.00 1046.00 6208.07
1917 994.50 778.50 708.50 372.00 138.00 32.50 0.00 0.00 20.50 300.50 614.50 636.50 4596.00
1918 762.00 780.50 529.50 301.50 172.50 10.50 0.00 3.50 17.00 262.50 685.50 841.50 4366.50
1919 999.50 729.50 538.50 283.00 117.50 17.00 0.00 0.00 79.00 460.00 720.00 1403.50 5347.50
1920 1072.50 805.50 566.50 400.00 164.50 11.50 0.00 10.50 62.50 366.00 733.00 834.00 5026.50
1921 860.00 672.50 530.00 372.50 119.50 4.00 2.00 0.50 124.50 312.00 722.50 1018.50 4738.50
1922 1343.50 880.50 652.50 415.50 180.50 0.00 0.00 1.00 37.50 296.50 776.00 1103.60 a 5687.10
1923 785.50 941.50 570.50 271.00 98.50 35.00 2.00 0.00 62.00 384.50 638.00 887.00 4675.50
1924 1118.00 625.50 601.40 a 299.50 60.50 6.50 0.00 6.50 83.28 a 307.00 677.00 1195.50 4980.68
1925 797.00 535.50 496.50 211.00 66.00 26.00 0.00 7.50 79.00 346.17 a 705.00 744.00 4013.67
1926 839.50 535.00 461.00 182.50 115.50 5.00 0.00 0.00 176.50 331.50 675.00 967.50 4289.00
1927 1098.00 622.50 628.00 387.00 196.50 2.00 0.00 1.50 101.50 385.50 549.83 a 972.62 c 4944.95
1928 1073.50 787.00 518.00 385.50 76.50 11.50 0.00 0.00 82.00 387.00 694.00 0.00 z 4015.00
1929 0.00 z 0.00 z 554.79 b 414.83 a 123.48 a 43.45 a 0.00 a 0.00 a 130.18 b 45.00 x 0.00 z 0.00 z 1266.73
1930 0.00 z 0.00 z 533.50 286.50 119.00 29.42 d 0.00 0.00 56.50 435.00 735.00 b 939.00 3133.92
1931 855.50 706.50 584.00 308.50 61.50 12.50 0.00 0.00 67.00 381.00 794.50 1130.43 b 4901.43
1932 990.00 873.50 542.50 258.00 107.00 7.50 2.00 10.50 102.00 404.79 e 582.50 1002.16 b 4882.44
1933 836.00 934.00 562.00 293.00 200.50 19.00 0.00 0.00 b 114.50 253.00 610.00 654.50 4476.50
1934 709.00 550.00 310.00 0.00 z 75.50 9.50 2.50 0.00 118.00 312.00 594.50 788.00 3469.00
1935 1002.50 732.50 670.50 414.50 124.00 13.50 2.50 4.00 54.50 451.50 878.00 973.50 5321.50
1936 843.50 1214.50 610.00 225.00 59.50 21.50 0.00 0.00 111.00 345.00 963.50 862.50 5256.00
1937 1524.00 914.50 543.00 368.50 118.00 27.50 0.00 12.00 75.50 287.00 583.50 814.00 5267.50
1938 886.50 789.00 597.00 329.50 164.00 27.00 0.00 0.00 3.50 342.50 758.50 874.00 4771.50
1939 797.00 766.00 528.00 276.00 83.50 39.50 0.00 0.50 44.00 344.00 730.00 758.00 4366.50
1940 1006.50 671.00 467.50 310.00 91.50 1.50 0.00 0.00 m 28.00 265.00 842.50 945.50 4629.00
1941 959.00 721.00 506.00 305.00 158.50 27.00 0.00 3.50 105.50 372.50 628.00 830.50 4616.50
1942 1240.50 742.50 639.50 308.00 187.00 56.50 0.00 9.00 58.00 331.00 723.50 852.00 5147.50
1943 1198.50 745.50 710.50 338.00 272.00 106.00 13.00 5.50 40.00 390.50 712.50 980.00 5512.00
1944 1034.50 795.50 682.50 368.00 153.00 43.50 1.50 1.50 60.00 275.00 728.50 995.50 5139.00
1945 843.50 658.00 637.50 427.50 127.50 44.00 0.00 3.00 129.50 336.50 700.00 992.50 4899.50
1946 889.00 690.15 a 602.00 362.50 109.50 45.50 0.50 3.50 110.00 501.00 821.50 899.00 5034.15
1947 1103.00 729.50 519.50 292.50 66.50 30.00 0.00 7.00 64.00 4.50 z 659.00 860.00 4331.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 10.16 b 13.00 145.86 a 484.00 678.10 a 1029.50 2360.62
1949 1464.00 838.50 600.00 276.50 110.05 a 77.00 1.50 3.50 80.00 540.00 611.50 846.50 5449.05
1950 1485.00 980.50 665.50 410.00 193.23 a 62.00 1.00 1.50 87.50 412.50 673.00 805.00 5776.73
1951 917.50 795.93 a 728.50 348.00 163.50 50.50 3.50 12.50 69.50 361.50 724.00 1014.00 5188.93
1952 1139.50 741.50 630.00 311.50 113.00 53.00 3.00 7.00 54.50 253.50 915.50 887.50 5109.50
1953 632.00 648.50 398.00 g 375.00 203.50 71.50 0.50 0.00 61.00 333.50 602.50 738.00 3666.00
1954 996.00 682.00 725.00 412.00 158.50 77.00 15.50 19.00 72.50 463.50 572.50 991.50 5185.00
1955 960.00 780.50 768.50 496.00 221.00 27.00 21.50 1.50 122.00 361.00 862.76 a 973.50 5595.26
1956 950.50 1043.50 598.00 300.00 115.22 a 44.00 0.00 7.50 53.50 382.00 789.50 871.00 5154.72
1957 1432.50 807.50 607.50 351.50 77.00 15.50 2.00 7.00 62.50 414.00 732.93 a 754.50 5264.43
1958 845.50 535.50 655.50 403.50 88.00 10.50 3.00 0.50 85.00 364.50 660.00 863.50 4515.00
1959 911.00 730.50 555.50 327.00 218.50 20.00 1.00 5.17 a 100.50 378.00 836.50 970.00 5053.67
1960 1240.00 762.50 634.50 352.00 202.50 22.00 0.00 17.05 a 57.50 355.50 648.00 1019.50 5311.05
1961 900.00 545.50 541.00 342.00 160.00 15.50 0.00 0.00 126.00 434.00 871.50 891.00 4826.50
1962 994.67 b 746.00 675.50 275.00 239.50 51.00 5.00 8.50 69.00 387.50 606.50 819.50 4877.67
1963 1154.00 733.00 590.00 403.50 163.50 18.00 3.50 0.00 45.00 292.50 600.50 978.00 4981.50
1964 810.00 739.00 655.00 390.50 209.00 32.50 0.00 21.50 127.50 440.50 726.50 1009.50 5161.50
1965 869.50 636.50 694.00 272.50 166.50 23.50 4.50 18.00 139.50 f 242.00 f 0.00 z 0.00 z 2685.00
Period of Record Statistics
MEAN 1004.68 756.81 581.15 324.14 139.04 28.30 2.36 4.88 77.56 358.40 698.37 922.15 4963.14
S.D. 206.12 129.65 87.44 68.76 55.25 22.38 4.57 6.09 33.90 75.41 94.94 129.14 431.32
SKEW 0.88 0.79 -0.45 -0.21 0.54 1.10 2.58 1.27 0.41 -0.12 0.76 0.76 0.25
MAX 1524.00 1214.50 768.50 496.00 300.00 106.00 21.50 21.50 176.50 540.00 963.50 1403.50 6208.07
MIN 632.00 535.00 310.00 148.50 42.00 0.00 0.00 0.00 3.50 134.50 549.83 636.50 4013.67
NO YRS 59 60 61 60 62 62 64 62 63 60 60 59 49