HEPPNER, OREGON

Monthly Total Heating Degree Days

(353827)

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
1893 0.00 z 0.00 z 0.00 z 585.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 585.50
1894 961.57 d 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 32.50 265.00 447.50 581.00 974.50 3262.07
1895 1059.50 708.81 a 0.00 z 309.50 g 326.05 c 148.27 d 75.71 e 41.91 d 320.77 d 0.00 z 0.00 z 1039.07 d 3720.10
1896 887.24 b 0.00 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 887.24
1897 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 13.90 b 185.40 e 476.22 b 747.00 945.50 2368.02
1898 1029.50 618.80 c 802.00 483.10 a 392.31 b 156.21 a 55.00 26.87 a 180.00 527.00 a 796.00 1162.00 6228.79
1899 893.50 920.37 a 781.72 a 538.50 445.37 a 193.00 36.34 b 132.50 91.00 538.50 502.76 a 858.91 b 5932.47
1900 782.15 e 847.00 b 501.17 a 0.00 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 2130.32
1901 362.00 s 846.74 a 672.50 561.21 a 0.00 z 0.00 z 0.00 z 5.50 p 265.86 a 249.50 594.00 820.00 4009.81
1902 1053.00 689.00 692.00 498.00 298.12 a 138.00 76.00 39.00 156.00 327.50 678.21 b 955.00 5599.83
1903 848.00 838.50 668.50 538.97 a 289.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3182.97
1904 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 174.00 64.00 48.00 152.00 403.00 625.00 870.50 2336.50
1905 0.00 z 0.00 z 0.00 z 0.00 z 272.50 94.50 5.96 e 38.00 112.50 583.00 734.00 897.00 2737.46
1906 812.50 749.26 a 785.00 350.50 286.23 a 180.50 0.00 25.00 133.50 338.50 707.50 841.50 5209.99
1907 1253.43 a 763.84 c 765.70 a 564.11 b 243.35 a 177.78 c 6.50 j 119.35 a 183.00 272.00 611.25 b 886.00 5839.81
1908 917.50 830.50 666.00 429.64 b 407.00 162.93 a 10.33 a 41.16 b 145.50 j 493.00 609.50 1025.00 5592.56
1909 1242.00 701.04 a 629.82 a 392.00 i 337.50 93.10 a 68.50 54.00 148.97 a 324.43 b 571.67 c 0.00 z 4171.02
1910 1068.97 b 1000.09 e 507.88 a 356.67 c 224.75 a 151.50 21.50 98.00 227.50 309.00 h 702.00 875.75 a 5234.60
1911 944.00 930.50 607.00 550.50 409.00 145.50 22.00 25.50 282.50 491.50 715.50 873.50 5997.00
1912 929.00 778.00 822.50 518.08 d 309.50 108.62 a 62.50 114.00 277.00 545.50 624.31 a 882.00 5971.01
1913 987.00 939.00 778.50 499.00 308.00 105.50 60.00 52.50 206.00 522.50 661.00 1051.50 6170.50
1914 716.00 786.00 582.50 478.50 256.00 176.50 7.50 17.00 193.00 405.00 681.50 1175.93 a 5475.43
1915 1052.50 700.50 591.00 378.00 338.00 144.00 56.50 4.00 182.00 382.00 728.00 870.00 5426.50
1916 1413.50 901.50 599.00 487.00 457.00 197.50 128.50 54.50 194.50 536.00 861.50 1007.00 6837.50
1917 997.00 814.00 867.00 579.50 384.50 209.50 20.00 9.50 139.50 340.00 603.00 638.50 5602.00
1918 766.50 768.00 600.50 501.50 409.50 74.50 23.50 66.00 91.00 363.00 737.50 917.50 5319.00
1919 904.50 789.50 688.00 485.00 328.00 175.00 16.00 18.50 199.50 537.00 749.00 1222.00 6112.00
1920 1039.00 846.50 691.50 593.50 396.50 174.50 15.50 68.00 196.50 510.00 776.50 854.50 6162.50
1921 919.50 703.00 641.50 545.00 296.50 71.50 32.00 26.50 270.00 354.50 708.00 1058.00 5626.00
1922 1188.00 910.00 770.00 587.00 338.00 30.00 1.50 43.50 113.00 400.50 896.00 1045.00 6322.50
1923 827.50 987.00 661.00 497.00 321.50 195.50 43.00 19.50 135.50 489.50 655.50 867.50 5700.00
1924 1088.50 598.50 751.00 494.00 177.50 109.50 46.50 40.00 169.00 469.50 784.00 1165.50 5893.50
1925 767.00 596.50 613.00 385.50 230.00 143.00 3.00 64.00 167.00 462.50 706.50 772.00 4910.00
1926 0.00 z 582.50 542.00 333.50 296.50 87.50 13.50 13.95 a 303.00 369.50 661.00 936.50 4139.45
1927 1108.00 682.00 726.00 547.00 389.50 88.50 33.00 46.50 254.50 377.50 574.50 1024.00 5851.00
1928 1051.50 839.50 609.00 528.00 193.00 162.50 29.50 48.50 194.00 418.50 702.00 984.50 5760.50
1929 1235.00 1124.50 641.50 582.50 326.00 143.00 29.50 11.50 237.50 353.00 702.00 744.50 6130.50
1930 1549.00 611.50 624.50 329.48 a 342.50 173.50 33.00 20.00 175.50 541.50 746.50 1010.50 6157.48
1931 842.50 751.50 646.00 458.00 225.00 159.50 32.50 25.50 214.00 462.00 828.50 1008.50 5653.50
1932 946.00 851.00 675.00 471.00 354.00 129.50 76.50 63.50 179.00 402.50 557.50 1092.00 5797.50
1933 894.50 929.00 667.50 521.50 452.50 144.00 21.00 54.50 248.00 292.00 678.00 694.50 5597.00
1934 700.50 620.50 484.00 284.50 235.50 118.50 38.00 22.50 191.50 364.50 573.00 853.50 4486.50
1935 923.00 776.50 744.50 607.00 333.50 125.50 72.00 55.50 90.50 446.50 823.50 1009.00 6007.00
1936 876.00 1235.00 699.50 395.50 197.50 110.50 21.50 24.00 168.50 309.50 859.50 769.00 5666.00
1937 1483.00 830.50 692.00 643.00 349.00 147.00 16.50 71.50 148.00 317.00 612.00 830.00 6139.50
1938 916.00 824.50 700.50 528.50 336.50 160.00 33.00 71.00 106.50 432.00 797.50 885.00 5791.00
1939 801.50 846.50 617.00 421.00 240.00 198.00 44.50 21.50 120.50 375.00 623.00 747.50 5056.00
1940 1050.50 722.00 575.00 495.50 271.00 94.50 24.00 35.00 108.00 326.50 869.50 881.00 5452.50
1941 947.00 698.50 596.00 423.50 305.50 153.00 6.50 57.00 246.50 480.50 623.50 859.00 5396.50
1942 1320.00 796.00 686.00 469.00 377.50 238.50 28.50 46.50 131.00 360.50 762.50 805.00 6021.00
1943 1199.50 814.50 746.00 448.00 436.00 252.41 a 45.98 a 71.30 a 90.50 412.00 735.50 1024.50 6276.20
1944 992.50 824.00 733.50 491.00 327.00 186.00 50.00 43.50 131.00 319.00 777.00 1074.00 5948.50
1945 893.00 715.00 732.00 552.00 297.00 204.00 23.50 36.50 238.00 387.50 702.50 966.00 5747.00
1946 847.50 705.50 667.00 487.00 293.50 184.50 45.00 36.50 190.00 554.00 768.50 812.00 5591.00
1947 991.50 710.00 532.00 421.00 166.50 158.50 29.00 54.50 155.50 389.50 703.00 830.80 a 5141.80
1948 973.50 901.00 805.00 596.00 403.00 107.50 87.50 81.00 253.50 522.00 463.50 j 1061.50 5791.50
1949 1432.72 a 872.00 710.42 a 403.97 a 239.70 c 171.50 74.50 70.27 a 160.00 596.00 640.86 a 927.50 6299.42
1950 1474.50 838.50 694.00 528.75 b 388.53 a 174.83 a 33.00 23.00 143.50 431.00 688.00 755.88 a 6173.49
1951 967.64 c 758.50 776.50 515.36 b 342.00 125.17 a 33.58 a 54.00 160.50 465.50 779.48 a 1042.00 6020.24
1952 1130.97 b 752.45 a 747.00 430.00 298.00 184.50 50.63 a 57.50 116.50 288.00 942.32 b 961.50 5959.37
1953 642.50 720.00 695.95 a 536.90 a 432.45 a 269.00 42.88 a 47.50 105.00 385.36 b 573.62 a 761.05 a 5212.21
1954 957.00 755.00 828.50 569.50 309.48 a 236.38 a 58.38 a 95.58 a 203.00 526.50 536.50 952.00 6027.83
1955 948.08 a 825.48 a 856.00 643.00 499.10 a 124.66 a 102.62 b 38.23 a 210.00 a 388.50 851.50 964.10 a 6451.27
1956 926.00 998.00 685.00 465.00 b 258.33 a 187.50 b 24.05 b 61.48 a 118.00 487.22 a 829.66 a 817.00 5857.24
1957 1375.50 818.46 b 690.00 478.45 a 232.50 101.00 60.00 62.50 111.21 a 527.50 711.43 b 719.72 a 5888.26
1958 834.00 532.00 757.50 528.00 173.00 81.50 13.00 9.00 164.00 367.00 688.50 805.50 4953.00
1959 890.50 793.50 646.00 479.50 421.00 137.50 55.00 63.50 196.50 399.50 773.50 944.50 5800.50
1960 1166.50 783.00 697.00 458.50 361.50 90.00 9.00 79.00 134.50 376.50 685.50 1054.50 5895.50
1961 867.50 543.50 630.50 496.00 335.50 74.00 18.00 5.00 226.50 472.50 868.00 894.00 5431.00
1962 1002.00 782.00 747.10 a 424.50 433.50 173.50 68.50 72.00 130.00 428.00 641.38 a 829.00 5731.48
1963 1144.00 620.50 657.00 581.00 304.00 148.00 70.00 41.50 72.50 347.50 616.00 1000.00 5602.00
1964 796.00 727.00 733.00 579.50 385.00 149.50 41.00 80.00 196.50 431.00 786.00 973.00 5877.50
1965 886.00 651.50 795.00 451.50 363.00 125.50 42.00 58.00 260.50 299.00 615.50 903.00 5450.50
1966 883.00 741.00 656.00 465.00 245.50 161.50 50.00 37.50 89.50 387.50 636.00 774.00 5126.50
1967 738.50 635.50 704.50 633.00 301.00 77.50 5.50 2.00 45.00 346.50 728.00 907.00 5124.00
1968 881.00 680.00 573.00 562.00 283.00 104.50 13.00 64.00 107.50 479.50 697.00 1005.00 5449.50
1969 1283.00 855.50 676.50 516.50 212.00 64.00 31.50 58.26 b 135.52 a 532.00 659.50 937.50 5961.78
1970 972.00 714.00 703.50 634.00 291.00 99.00 12.50 8.50 257.50 497.50 713.00 911.50 5814.00
1971 804.50 719.00 749.50 557.00 258.00 184.50 61.50 10.50 262.00 512.50 676.50 913.50 5709.00
1972 978.50 821.50 594.50 603.50 258.00 81.50 26.50 26.50 236.50 485.50 669.50 1136.00 5918.00
1973 1027.50 746.00 667.50 500.50 250.50 121.00 25.00 53.50 155.00 433.00 754.50 793.50 5527.50
1974 1116.50 648.00 639.00 516.00 379.50 73.50 47.50 30.00 84.00 433.00 670.00 811.50 5448.50
1975 904.00 826.50 786.50 643.00 309.50 156.50 11.50 54.00 132.00 404.00 711.00 819.00 5757.50
1976 848.00 819.00 754.00 546.00 294.00 197.00 27.00 51.50 79.50 434.50 698.00 875.50 5624.00
1977 1148.00 686.50 708.00 389.00 401.50 39.50 43.00 33.50 205.00 441.00 765.50 897.00 5757.50
1978 967.50 706.00 583.50 521.50 367.50 74.50 21.50 54.50 188.00 435.00 921.00 1088.50 5929.00
1979 1472.00 752.50 642.00 503.00 237.00 99.00 16.50 1.50 70.00 332.50 891.50 786.00 5803.50
1980 1174.50 808.50 705.00 184.00 n 284.00 176.50 19.00 61.00 110.00 468.00 698.50 749.00 5254.00
1981 941.00 750.50 652.50 0.00 z 155.00 l 161.00 61.50 15.00 159.00 436.50 595.50 834.00 4606.50
1982 902.00 773.00 698.00 584.00 351.00 113.50 59.00 34.50 223.00 491.00 849.50 934.50 6013.00
1983 775.00 632.00 561.00 516.50 280.00 144.50 66.00 8.50 249.00 427.50 573.50 1248.00 5481.50
1984 891.00 742.00 596.00 545.50 375.00 201.50 15.00 21.50 248.00 551.00 719.50 1042.00 5948.00
1985 1204.50 865.50 716.00 399.00 280.00 97.50 2.00 60.50 286.50 467.00 1073.00 1319.00 6770.50
1986 845.00 729.50 552.00 528.50 325.00 73.00 89.00 6.50 262.00 387.00 681.50 1023.00 5502.00
1987 1026.50 741.00 604.00 365.50 215.00 111.50 54.50 37.00 89.50 346.50 667.50 960.00 5218.50
1988 984.00 723.50 655.00 403.50 314.50 163.00 30.00 24.50 166.00 196.00 625.00 936.50 5221.50
1989 822.50 1081.50 678.00 398.50 305.00 65.50 33.50 31.50 134.00 423.50 615.00 956.50 5545.00
1990 811.00 758.00 619.50 337.00 312.50 120.00 20.50 34.00 35.00 466.50 585.00 1212.00 5311.00
1991 973.50 535.00 726.50 467.50 372.50 201.50 14.50 11.50 89.00 397.50 711.00 863.50 5363.50
1992 813.50 629.50 542.50 378.50 179.50 57.50 34.50 34.00 198.00 382.50 757.00 999.00 5006.00
1993 1202.50 994.00 717.00 495.50 179.50 160.50 98.00 58.50 152.50 339.00 887.00 915.50 6199.50
1994 714.50 860.50 575.50 375.00 221.00 128.50 21.00 5.50 53.50 440.50 751.00 901.00 5047.50
1995 931.50 621.00 636.50 492.00 252.50 155.50 11.50 65.50 80.00 453.50 535.00 922.00 5156.50
1996 857.00 918.50 664.00 424.00 369.50 103.00 23.00 23.50 174.50 398.50 697.50 876.00 5529.00
1997 946.00 739.00 608.50 510.00 199.00 110.50 29.00 0.50 94.50 425.00 666.50 914.00 5242.50
1998 813.50 661.00 606.00 477.00 321.00 95.50 0.00 20.50 0.00 z 443.00 610.00 907.50 4955.00
1999 734.50 660.00 662.00 562.50 364.00 134.00 51.00 24.50 137.50 416.50 543.00 837.50 5127.00
2000 927.00 759.00 654.50 371.50 259.50 96.50 18.00 21.00 173.50 439.50 874.50 1028.50 5623.00
2001 957.50 805.00 616.50 528.00 239.00 158.00 24.28 a 11.50 74.50 425.00 646.50 856.00 5341.78
2002 852.00 685.00 739.00 445.00 271.00 74.50 14.00 20.00 114.50 521.50 665.50 813.00 5215.00
2003 780.00 728.50 515.00 494.50 282.50 58.00 5.50 0.00 90.00 288.00 782.50 895.50 4920.00
2004 1113.50 753.00 489.00 402.00 282.50 100.50 8.50 14.00 148.00 363.00 664.00 816.50 5154.50
2005 963.00 753.50 555.50 468.00 223.00 0.00 z 161.50 13.00 152.50 361.00 773.00 1063.00 5487.00
2006 707.50 817.00 693.50 462.50 307.50 100.00 12.00 27.50 0.00 z 441.50 688.50 1005.00 5262.50
2007 1074.50 712.50 584.00 505.50 262.00 134.50 1.50 30.50 155.50 468.00 748.00 894.50 5571.00
2008 1042.50 0.00 z 716.00 362.00 m 290.00 170.50 6.00 0.00 z 134.00 441.00 581.50 1062.00 4443.50
2009 971.00 842.50 797.50 526.50 285.00 62.50 14.00 20.50 79.00 554.50 665.00 1164.50 5982.50
2010 793.00 660.50 624.00 526.50 394.50 171.00 43.50 43.50 119.00 395.50 772.50 942.50 5486.00
2011 842.50 810.50 666.00 613.97 a 419.50 170.89 b 35.50 6.00 82.00 401.50 695.00 969.50 5712.86
2012 852.50 813.00 666.00 447.00 315.00 190.50 18.00 19.12 a 66.00 411.50 650.50 851.00 5300.12
2013 1055.50 729.50 659.86 c 0.00 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 2444.86
Period of Record Statistics
MEAN 979.57 773.42 670.30 492.93 310.94 137.55 36.33 39.95 163.70 423.16 706.10 931.53 5670.76
S.D. 183.94 116.85 80.42 77.30 71.29 47.48 27.59 26.15 63.88 76.86 98.83 123.12 415.73
SKEW 1.02 0.82 -0.02 -0.28 0.16 0.12 1.47 0.87 0.28 -0.13 0.66 0.53 0.04
MAX 1549.00 1235.00 867.00 643.00 499.10 269.00 161.50 132.50 320.77 596.00 1073.00 1319.00 6837.50
MIN 642.50 532.00 484.00 284.50 166.50 30.00 0.00 0.00 35.00 196.00 502.76 638.50 4486.50
NO YRS 115 114 114 109 112 112 112 114 113 114 114 115 98