HEPPNER, OR

Monthly Sum of Heating Degree Days (Degrees Fahrenheit)

(353827)

Base Temperature = 65 F

File last updated on Mar 29, 2015
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.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
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)JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECANN
1893-----z-----z-----z585.50 -----z-----z-----z-----z-----z-----z-----z-----z585.50k
1894930.56d-----z-----z-----z-----z-----z-----z32.50 241.00a447.50 581.00 974.50 3207.06f
18951059.50 683.50a-----z309.50g315.54c143.33d73.27e40.56d310.08d-----z-----z645.00h2625.76e
1896651.00f-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1897-----z-----z-----z-----z-----z-----z-----z13.45b179.22e460.86b585.00g917.07b1570.60h
18981029.50 597.52e764.48b467.00a379.66b151.00a55.00 26.00a180.00 510.00a796.00 1159.66b6115.81
1899893.50 887.50a756.50a538.50 431.00a193.00 35.17b132.50 91.00 528.62b486.00a848.89d5822.18
1900756.92e816.75b485.00a-----z-----z-----z-----z-----z-----z-----z-----z-----z2058.67i
1901362.00s811.56b658.00a542.50a-----z-----z-----z5.50p257.00a237.00a594.00 820.00 3920.06e
19021004.50a689.00 692.00 498.00 288.50a138.00 76.00a39.00 156.00 327.50 655.61b924.50a5488.61
1903848.00 838.50 668.50 521.00a289.00 -----z-----z-----z-----z-----z-----z-----z3165.00g
1904-----z-----z-----z-----z-----z174.00 58.50a48.00 152.00 403.00 594.50a844.00a2274.00e
1905-----z-----z-----z-----z272.50 94.50 5.77e38.00 112.50 583.00 718.00a875.00a2699.27d
1906812.50 708.75b785.00 350.50 281.38b180.50 0.00a25.00 133.50 338.50 682.50a819.83b5117.96
19071227.32c732.52e738.62b543.48c235.50a171.85c6.50j115.50a183.00 272.00a602.87d851.38b5674.04a
1908872.50a795.50a649.50a415.32b407.00 146.04b10.00a39.83b135.50k493.00 609.50 1025.00 5463.18a
19091242.00 676.00a609.50a392.00i337.50 90.00a68.50 48.50a137.75b313.97b529.25d-----z4052.97b
19101034.48b964.37e491.50a344.78c217.50a151.50 21.50 98.00 227.50 309.00h702.00 847.50a5100.63a
1911944.00 898.50a607.00 537.50a409.00 145.50 22.00 25.50 282.50 491.50 680.50a873.50 5917.00
1912943.93c778.00 822.50 500.81d309.50 105.00a62.50 114.00 277.00 545.50 607.39c882.00 5948.13
1913945.54c939.00 757.50a475.00a308.00 105.50 60.00 52.50 206.00 522.50 632.50a1026.50a6030.54
1914722.31e775.44c582.50 473.00a256.00 163.50a7.50 17.00 193.00 391.50a681.50 1132.24b5395.49
19151018.00a700.50 591.00 378.00 338.00 138.79b56.50 4.00 182.00 382.00 728.00 846.50a5363.29
19161413.50 901.50 599.00 487.00 439.00a189.00a128.50 54.50 194.50 536.00 861.50 996.72b6800.72
1917997.00 775.50a867.00 579.50 384.50 209.50 20.00 9.50a139.50 310.50a603.00 613.00a5508.50
1918702.86c729.54c584.50a501.50 396.50a74.50 23.50a66.00 91.00 363.00 737.50 917.50 5187.90
1919886.00a789.50 688.00 446.71d328.00 175.00 16.00 18.50 194.50a537.00 749.00 1211.38b6039.59
19201015.00a846.50 691.50 593.50 396.50 174.50a15.50 68.00 196.50 510.00 759.50a854.50 6121.50
1921894.00a703.00 606.50a545.00 281.38b71.50 32.00 26.50 270.00 354.50 680.00a1069.82c5534.20
19221147.24b910.00 770.00 587.00 338.00 30.00a1.50 43.50 96.00a400.50 859.50a1045.00 6228.24
1923800.50a987.00 661.00 497.00 321.50 195.50 43.00 19.50 135.50 489.50 655.50 809.00a5614.50
19241032.00a598.50 751.00 494.00 177.50 109.50 46.50 40.00 169.00 469.50 784.00 1144.00a5815.50
1925767.00 578.50a610.34b385.50 230.00 143.00 3.00 64.00 167.00 453.00a706.50 767.59b4875.43
1926-----z566.50a542.00 333.50 296.50 76.50a13.50 13.97b303.00 369.50 661.00 900.54c4076.50a
19271108.00 638.28c700.50a547.00 380.50a88.50 33.00 46.50 254.50 369.50a564.50a999.31b5730.09
19281015.50a840.00 609.00 510.00a189.00 160.50a29.50 44.50a189.00 418.50 702.00 990.00 5697.50
19291197.00a1124.50 641.50 558.50a321.50 143.00 28.00 11.50 245.00 353.00 702.00 717.00a6042.50
19301535.00a611.50 624.50 325.73b333.50a166.00a33.00 20.00 168.30b541.50a708.35c951.67d6019.05
1931811.03b727.00a617.50a439.14b225.00 159.50 32.50 25.50 210.50a453.10b777.63c997.50a5475.91
1932946.00 818.00a650.00a471.00 354.00 129.50 76.50 63.50 179.00 381.50a557.50 1026.72b5653.22
1933894.50 879.00a667.50 521.50 452.50 144.00 21.00 54.50 248.00 280.50a678.00 694.50 5535.50
1934700.50 620.50 484.00 284.50 211.50a118.50 38.00 22.50 191.50 364.50 573.00 853.50 4462.50
1935923.00 776.50 744.50 607.00 333.50 125.50 72.00 55.50 90.50 446.50 823.50 1009.00 6007.00
1936876.00 1235.00 699.50 395.50 197.50 110.50 21.50 24.00 168.50 309.50 859.50 755.50a5652.50
19371449.50a830.50 692.00 643.00 326.00a147.00 16.50 71.50 148.00 317.00 612.00 830.00 6083.00
1938916.00 824.50 700.50 528.50 336.50 160.00 33.00 71.00 106.50 432.00 779.00a885.00 5772.50
1939801.50 846.50 617.00 421.00 240.00 198.00 44.50 21.50 120.50 375.00 623.00 747.50 5056.00
19401050.50 722.00 575.00 495.50 271.00 94.50 24.00 35.00 108.00 326.50 852.00a881.00 5435.00
1941947.00 698.50 596.00 423.50 305.50 153.00 6.50 57.00 246.50 480.50 623.50 859.00 5396.50
19421320.00 796.00 686.00 469.00 377.50 238.50 28.50 46.50 131.00 360.50 744.00a805.00 6002.50
19431199.50 814.50 746.00 448.00 436.00 244.00a44.50a69.00a90.50 412.00 735.50 1024.50 6264.00
1944992.50 824.00 733.50 491.00 327.00 186.00 50.00 43.50a131.00 319.00 777.00 1074.00 5948.50
1945893.00 715.00 718.50a552.00 297.00 204.00 23.50 36.50 238.00 387.50 702.50 966.00 5733.50
1946847.50 705.50 667.00 487.00 293.50 184.50 45.00 36.50 190.00 554.00 768.50 812.00 5591.00
1947959.00a687.00a532.00 421.00 166.50 158.50 29.00 54.50 155.50 389.50 685.00a804.00a5041.50
1948973.50 901.00 780.00a596.00 403.00 107.50 87.50 81.00 253.50 522.00 437.00k1061.50 5766.50a
19491386.50a872.00 687.50a390.50a231.96c171.50a74.50 68.00a160.00 596.00 619.50a927.50 6185.46
19501474.50 838.50 694.00 499.44c376.00a169.00a33.00 23.00 143.50 431.00 688.00 731.50a6101.44
1951936.43c758.50 776.50 498.18b342.00 121.00a32.50a54.00 160.50 465.50 753.50a1042.00 5940.61
19521094.48b726.50a747.00 430.00 298.00 184.50 49.00a57.50 116.50a288.00 910.91b961.50 5863.89
1953642.50 720.00 673.50a519.00a418.50a269.00 41.50a47.50 105.00 372.93b554.50a736.50a5100.43
1954957.00 755.00 828.50 490.50a299.50a228.50a56.50a92.50a203.00 526.50 536.50 952.00 5926.00
1955917.50a796.00a856.00 643.00 422.59b120.50a99.31b37.00a210.25b388.50 825.50a933.00a6249.15
1956926.00 998.00 685.00 449.50b250.00a181.25b23.28b59.50a118.00 471.50a802.00a817.00 5781.03
19571375.50 789.23b690.00 462.50a232.50 101.00 60.00 62.50 107.50a527.50 687.71b696.50a5792.45
1958834.00 532.00 757.50 519.50a173.00 81.50 13.00 9.00 164.00 367.00 688.50 805.50 4944.50
1959890.50 793.50 628.50a479.50 421.00 137.50 55.00 63.50 196.50 399.50 773.50 944.50 5783.00
19601166.50 783.00 697.00 458.50 361.50 90.00 9.00a79.00 134.50 376.50 685.50 1054.50 5895.50
1961856.50a543.50 630.50 496.00 335.50 74.00 18.00 5.00 226.50 472.50 868.00 894.00 5420.00
19621002.00 782.00 714.31b424.50 433.50 173.50 68.50 72.00 130.00 428.00 620.00a829.00 5677.31
19631144.00 620.50 657.00 581.00 304.00 135.50a70.00 41.50 72.50 347.50 616.00 1000.00 5589.50
1964796.00 727.00 733.00 579.50 383.50a149.50 41.00 80.00 196.50 431.00 786.00 973.00 5876.00
1965859.50a651.50 795.00 451.50 363.00 125.50 42.00 58.00 260.50 282.50a615.50 903.00 5407.50
1966883.00 741.00 656.00 465.00 245.50a161.50 50.00 37.50 89.50 387.50 636.00 774.00 5126.50
1967738.50 635.50 704.50 633.00 301.00 77.50 5.50 2.00 45.00 346.50 728.00 907.00 5124.00
1968881.00 680.00 573.00 562.00 283.00 104.50 13.00a64.00 107.50 479.50 697.00 1005.00 5449.50
19691283.00 855.50 676.50 516.50 212.00 64.00a31.50 56.38b131.00a532.00 659.50 937.50 5955.38
1970972.00 714.00 703.50 634.00 291.00 99.00 12.50 8.50 257.50 497.50 713.00 911.50 5814.00
1971788.00a719.00 749.50 557.00 258.00 184.50 61.50 10.50 262.00 512.50 676.50 913.50 5692.50
1972978.50 821.50 594.50 603.50 258.00 81.50 26.50 26.50 236.50 469.00a669.50 1136.00 5901.50
19731027.50 720.50a667.50 500.50 250.50 121.00 25.00 53.50 155.00 433.00 754.50 793.50 5502.00
19741116.50 648.00 627.50a516.00 379.50 73.50 47.50 30.00 84.00 433.00 670.00 811.50 5437.00
1975904.00 826.50 786.50 643.00 309.50 156.50 11.50 54.00 132.00 404.00 711.00 819.00 5757.50
1976848.00 786.50a754.00 546.00 294.00 197.00 27.00 51.50 79.50 434.50 698.00 875.50 5591.50
19771148.00 686.50 708.00 389.00 401.50 39.50 43.00 33.50 205.00 441.00 765.50 897.00 5757.50
1978967.50 706.00 583.50 521.50 367.50 74.50 21.50 54.50 188.00 435.00 921.00 1088.50 5929.00
19791472.00 752.50 642.00 503.00 220.34b99.00 16.50 1.50 70.00 332.50 891.50 761.50a5762.34
19801174.50 808.50 705.00 184.00n284.00 176.50 19.00 61.00 110.00 468.00 698.50 749.00 5254.00a
1981941.00 750.50 632.00a-----z155.00l161.00 61.50 15.00 159.00 436.50 595.50 834.00 4586.00b
1982862.50a773.00 678.62b584.00 351.00 113.50 59.00a34.50 223.00 470.56d805.00a914.00a5868.68
1983746.25c619.96b561.00 504.00a283.50 144.50 66.00 8.50 249.00 406.00a558.50a1248.00 5395.21
1984864.11c742.00 596.00 545.50 360.50a201.50 15.00 21.50 248.00 551.00 693.50a1042.00 5880.61
19851204.50 865.50 716.00 399.00 280.00 97.50 2.00 60.50 286.50 467.00 1065.00 1319.00 6762.50
1986811.00a724.50 552.00 535.00 325.00 73.00 95.00 6.50 262.00 387.00 681.50 1023.00 5475.50
19871026.50 741.00 604.00 372.50 215.00 111.50a54.50 37.00 89.50 346.50 667.50 954.50a5220.00
1988984.00 723.50 655.00 403.50 314.50 163.00 30.00a24.50 157.95b196.00 607.00a905.00a5163.95
1989830.00 1052.50a678.00 398.50 305.00a65.50 33.50a31.50 134.00 416.00a607.00a932.59b5484.09
1990787.00a709.56c619.50 337.00 312.50 120.00 20.50 34.00 35.00a466.50 557.98c1121.67d5121.21
1991968.65e533.25b708.10b448.50a357.93b201.50 14.50 11.50 89.00 397.50 660.27b863.50 5254.21
1992632.00f605.50a513.50a354.73b179.50 57.50 31.50a34.00 198.00 361.50a732.25b959.48b4027.46a
19931163.89d943.92c697.50a495.50 179.50 160.50 98.00 58.50 152.50 339.00 831.50a895.50a6015.81
1994714.50 835.00a575.50 348.52b212.50a128.50 21.00 5.50 53.50 426.21b734.48d902.22d4957.43
1995934.82c563.62d630.52b472.50a245.00a148.00a11.50a65.50 80.00 438.10b524.15c726.50f4113.72a
1996831.67d890.50a664.00 424.00 369.50 103.00 23.00 23.50 174.50 370.34b675.00a831.43c5380.44
1997946.00 693.69b608.50 510.00 191.50a110.50 29.00 0.50 94.50a412.50a644.50a874.44d5115.64
1998803.89d651.94d598.39c477.00 321.00 95.50 0.00 20.50 -----z443.00 599.72e888.62b4899.56a
1999729.11c633.96c639.50a573.27b364.00 134.00a51.00a24.50 133.50a415.34b552.61c832.50c5083.29
2000907.76b741.46c654.50 371.50 256.00a96.50 12.50a21.00 171.50 439.50 854.96c1000.71c5527.90
2001922.50a805.00 616.50 517.50a240.52b155.36b23.50a11.50 74.50 410.00a638.00c845.36c5260.23
2002840.00e643.89e709.50a452.00 263.00a71.00 12.50a18.50 106.00 500.69b662.86b833.08e5113.02
2003754.50a716.04c521.67d487.50a288.50 58.00a5.50 0.00 90.00 266.50a754.00a891.00 4833.21
20041033.39c731.00a488.33d391.00a266.50 107.00 6.50 16.50 143.50 347.50 664.00 770.36c4965.58
2005893.79b753.50 551.50 445.00a227.00 143.00 136.61c13.00 157.95b361.00 773.00 1047.50 5502.85
2006698.00 776.77b691.00 454.50a307.50 94.00 12.00 27.50 69.50j446.00 664.50 963.50a5135.27a
20071066.00 706.00 584.00 505.50 256.00 134.50 1.50 29.50a165.71b454.50a736.00a889.00 5528.21
20081046.50 436.00l709.00 362.00m274.00a170.50 6.00 27.00i127.50a428.89d573.00a1062.00 4397.39c
2009959.00 836.00 768.50a526.50 285.00 62.50 14.00 20.50a79.00 547.50 665.00 1126.00a5889.50
2010788.00 643.50a612.50a526.50 394.50 171.00 43.50 43.50 119.00 395.50 754.50 935.00 5427.00
2011842.50 810.50 666.00 593.50a419.50 165.20b35.50 6.00 82.00 401.50 695.00 969.50 5686.70
2012852.50 813.00 666.00 447.00 315.00 190.50 18.00 18.50a66.00 412.50 650.50 851.00 5300.50
20131055.50 729.50 642.00 479.00 288.00 122.50 2.00 1.00 116.50a507.50 784.50 1012.50 5740.50
2014915.50 886.50 633.50 465.50 240.00 106.00 5.00a2.50 90.50 254.50 775.00 901.00 5275.50
2015872.00 598.00 480.00c-----z-----z-----z-----z-----z-----z-----z-----z-----z1950.00i
Period of Record Statistics
MEAN968.13 761.61 662.21 487.07 306.43 135.85 35.28 39.02 161.64 418.38 696.91 919.66 5617.05
S.D.182.52 117.02 80.55 76.84 69.15 46.34 26.79 26.15 63.48 78.91 96.85 122.03 404.59
SKEW1.04 0.81 -0.04 -0.19 0.06 0.14 1.21 0.85 0.30 -0.16 0.61 0.49 0.04
MAX1535.00 1235.00 867.00 643.00 452.50 269.00 136.61 132.50 310.08 596.00 1065.00 1319.00 6800.72
MIN642.50 532.00 480.00 284.50 166.50 30.00 0.00 0.00 35.00 196.00 486.00 613.00 4462.50
YRS115.00 116.00 116.00 111.00 114.00 115.00 114.00 116.00 115.00 116.00 115.00 115.00 99.00