HEPPNER, OREGON

Monthly Total Growing Degree Days

(353827)

Base Temperature = 40 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 170.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 170.00
1894 33.30 d 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 927.00 493.00 329.50 188.50 20.50 1991.80
1895 50.50 101.63 a 0.00 z 265.50 g 449.50 c 654.23 d 801.83 e 835.85 d 429.81 d 0.00 z 0.00 z 65.44 d 3388.79
1896 100.48 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 100.48
1897 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1071.10 b 594.00 e 298.78 b 121.00 62.50 2147.38
1898 1.00 117.60 c 56.50 266.90 a 382.69 b 624.83 a 859.00 949.63 a 584.50 248.00 a 62.50 26.50 4179.65
1899 95.00 53.93 a 54.77 a 211.50 329.63 a 563.50 872.28 b 664.00 695.50 256.00 247.24 a 64.67 b 4108.02
1900 95.98 e 39.31 b 273.83 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 409.12
1901 9.00 s 61.19 a 116.00 196.03 a 0.00 z 0.00 z 0.00 z 479.50 p 484.14 a 525.50 170.50 64.50 1617.86
1902 65.50 119.50 105.00 255.50 482.57 a 644.50 834.00 863.50 639.00 447.50 107.68 b 17.00 4581.25
1903 78.00 25.00 168.00 212.07 a 507.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 990.07
1904 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 605.00 824.50 886.00 621.50 372.50 140.00 50.00 3499.50
1905 0.00 z 0.00 z 0.00 z 0.00 z 504.00 674.00 1037.31 e 902.00 673.00 235.50 73.00 16.00 4114.81
1906 84.50 74.67 a 172.50 407.50 500.13 a 585.00 1123.00 906.50 662.00 436.50 165.00 53.50 5170.80
1907 12.92 a 80.08 c 44.95 a 188.04 b 534.23 a 606.11 c 617.50 j 708.87 a 582.50 504.50 151.07 b 39.50 3452.76
1908 28.50 57.00 138.00 323.04 b 368.00 633.62 a 1030.75 a 919.31 b 413.50 j 285.00 203.00 20.00 4006.22
1909 32.50 67.93 a 152.93 a 134.00 i 446.50 677.59 a 777.50 794.50 657.93 a 450.57 b 232.78 c 0.00 z 4290.72
1910 42.22 b 14.00 e 272.80 a 402.78 c 573.50 a 620.50 899.50 728.00 524.00 272.50 h 114.50 31.00 a 4222.80
1911 38.00 0.50 209.00 222.00 368.00 644.00 972.00 810.50 478.50 287.00 123.00 19.50 4172.00
1912 83.00 41.50 62.50 232.50 d 466.00 707.59 a 809.00 711.50 473.00 238.00 154.66 a 25.50 4004.74
1913 30.50 35.00 97.50 252.50 467.50 671.00 833.00 872.00 561.00 254.00 109.50 5.50 4189.00
1914 103.50 46.50 193.00 271.50 522.00 617.50 946.50 906.50 570.00 370.00 144.50 10.33 a 4701.83
1915 15.00 45.50 192.00 372.50 438.00 636.00 835.50 987.00 577.00 393.00 77.00 60.00 4628.50
1916 11.50 36.50 207.50 263.00 318.00 587.50 676.00 827.50 564.00 244.50 69.00 17.00 3822.00
1917 32.50 26.00 32.00 177.50 390.50 562.50 935.50 907.50 615.00 442.00 151.00 182.50 4454.50
1918 99.00 64.50 207.50 267.00 365.50 784.00 902.00 756.50 707.50 413.00 80.00 71.00 4717.50
1919 72.00 12.50 102.00 267.00 450.00 589.00 954.00 918.00 551.50 273.50 108.50 74.50 4372.50
1920 46.50 19.50 120.00 172.50 378.50 599.50 911.00 885.50 561.50 273.50 77.50 44.00 4089.50
1921 34.50 100.00 162.50 213.00 481.50 729.50 851.00 878.50 484.00 420.50 131.00 69.50 4555.50
1922 2.00 10.50 62.50 166.00 445.00 818.00 977.00 877.00 681.50 378.00 13.00 69.50 4500.00
1923 73.00 12.50 151.50 253.00 453.50 589.00 887.00 881.00 644.50 297.50 107.50 44.50 4394.50
1924 37.00 134.00 51.00 261.00 629.00 684.50 873.00 847.50 635.50 310.00 78.00 81.50 4622.00
1925 80.00 118.50 178.00 366.00 552.00 706.50 983.50 825.00 596.00 312.50 98.50 93.00 4909.50
1926 0.00 z 133.50 234.00 426.00 478.50 776.50 961.00 879.37 a 464.00 405.50 135.50 62.00 4955.87
1927 18.50 72.00 71.00 212.50 389.00 691.50 895.50 871.00 498.00 401.50 188.50 46.00 4355.00
1928 30.50 4.50 182.50 227.50 618.50 625.00 948.00 803.50 583.50 367.00 88.00 32.50 4511.00
1929 6.00 0.50 146.50 179.00 450.50 633.00 840.50 923.50 544.50 423.50 128.50 97.50 4373.50
1930 22.50 133.00 187.00 420.52 a 433.50 594.50 868.50 908.50 601.00 235.00 111.50 2.00 4517.52
1931 43.00 35.50 167.00 294.50 574.50 622.00 879.50 873.00 570.50 313.00 94.50 33.00 4500.00
1932 40.50 106.50 142.00 280.00 421.00 679.00 758.00 814.50 599.50 373.00 206.50 46.00 4466.50
1933 67.00 24.50 132.50 242.50 322.50 642.00 888.50 896.00 503.00 487.50 127.00 158.00 4491.00
1934 106.50 90.00 291.00 468.50 572.50 671.00 855.50 902.00 603.00 413.00 178.50 47.50 5199.00
1935 78.50 25.50 73.00 179.50 445.00 661.50 856.50 818.50 717.00 372.50 75.50 25.00 4328.00
1936 51.50 19.00 143.50 396.00 605.00 693.00 875.00 861.00 600.50 465.50 58.50 88.50 4857.00
1937 0.00 25.50 111.00 119.50 429.00 640.00 970.00 780.00 645.00 458.00 158.00 69.00 4405.00
1938 34.00 10.50 109.50 230.00 459.00 637.00 952.50 759.00 708.00 343.50 84.00 86.00 4413.00
1939 54.00 24.50 199.00 332.50 551.00 576.00 910.00 910.00 664.50 404.00 137.50 120.00 4883.00
1940 10.50 68.50 211.50 254.50 515.00 735.50 836.50 820.50 673.50 458.50 40.50 64.00 4689.00
1941 24.00 53.50 195.00 326.50 485.00 624.00 990.50 853.00 507.50 297.50 155.00 70.50 4582.00
1942 10.50 18.50 116.00 281.00 404.00 526.00 910.00 918.00 635.50 417.00 64.50 53.00 4354.00
1943 17.00 6.50 123.00 303.00 339.00 511.55 a 868.52 a 733.67 a 684.00 371.50 62.00 32.00 4051.73
1944 40.50 22.00 120.00 260.50 452.50 583.50 862.00 796.50 695.50 456.00 83.50 32.50 4405.00
1945 68.50 61.00 90.50 207.00 478.00 580.00 898.00 866.00 528.50 388.50 102.00 71.00 4339.00
1946 25.50 51.50 112.50 263.50 481.50 582.50 859.00 859.50 567.00 236.00 64.00 110.50 4213.00
1947 40.50 77.50 250.00 329.00 639.50 604.50 818.00 779.50 633.50 388.00 93.50 35.65 a 4689.15
1948 29.50 46.50 58.50 162.50 375.50 690.50 735.00 734.50 522.00 265.00 60.00 j 7.00 3626.50
1949 0.00 a 27.00 91.97 a 346.03 a 559.66 c 614.00 776.50 769.32 a 608.00 212.00 151.03 a 31.00 4186.51
1950 7.00 74.50 118.00 227.14 b 388.53 a 601.03 a 872.00 883.50 649.50 344.00 124.50 94.03 a 4383.74
1951 24.91 c 52.50 78.50 244.82 b 439.00 640.86 a 871.10 a 799.50 604.50 316.50 63.10 a 19.00 4154.30
1952 9.62 b 92.18 a 88.50 327.50 482.00 577.00 877.82 a 832.50 688.50 487.00 33.21 b 19.50 4515.33
1953 155.00 62.00 110.05 a 226.55 a 347.20 a 481.00 830.28 a 831.00 695.00 390.17 b 188.28 a 63.03 a 4379.57
1954 36.50 64.50 50.50 235.00 475.85 a 521.90 a 775.52 a 704.73 a 548.50 256.00 227.00 23.50 3919.50
1955 10.33 a 19.19 a 39.00 122.00 327.05 a 663.62 a 776.07 b 818.92 a 610.86 a 388.00 116.50 43.92 a 3935.45
1956 30.00 24.50 144.50 287.68 b 555.93 a 575.36 b 917.71 b 810.65 a 653.00 290.88 a 75.00 a 118.00 4483.21
1957 5.00 53.85 b 102.50 276.21 a 550.00 705.50 782.00 733.50 676.55 a 248.00 96.96 b 100.75 a 4330.82
1958 84.00 178.00 82.50 222.00 639.50 772.00 976.00 993.50 613.50 410.00 188.50 77.50 5237.00
1959 79.50 32.50 151.50 271.50 357.00 645.50 908.50 782.00 575.50 380.50 138.00 29.50 4351.50
1960 28.50 64.00 187.50 293.50 413.50 710.00 1033.00 799.50 654.00 403.00 126.00 4.00 4716.50
1961 86.00 163.50 164.00 254.50 440.00 826.00 957.00 1037.00 527.50 311.50 45.00 72.50 4884.50
1962 71.50 64.00 81.63 a 326.00 341.50 601.00 863.50 783.00 647.00 347.00 134.48 a 57.00 4317.62
1963 21.50 136.50 141.50 184.00 473.50 648.00 740.50 866.00 780.00 429.50 167.00 26.00 4614.00
1964 57.00 44.50 92.00 182.50 390.00 629.50 884.50 756.00 568.50 346.50 66.00 49.50 4066.50
1965 44.50 103.00 77.00 301.50 417.00 648.00 918.50 863.50 491.00 476.00 164.00 54.00 4558.00
1966 46.50 34.50 166.00 293.50 557.50 628.50 830.00 874.50 708.50 387.50 131.00 82.00 4740.00
1967 85.50 89.00 104.50 118.00 480.00 770.00 936.50 1068.50 785.00 428.50 89.50 78.00 5033.00
1968 71.50 155.00 206.50 214.50 497.50 714.00 991.00 821.50 677.00 295.50 92.50 39.00 4775.50
1969 18.50 6.50 146.50 233.50 582.00 782.50 855.00 796.91 b 657.93 a 254.00 166.00 39.00 4538.34
1970 49.50 34.50 106.00 127.50 488.00 824.50 963.00 912.50 499.50 285.50 98.50 33.00 4422.00
1971 126.50 84.50 92.50 193.50 522.00 586.00 953.50 1023.00 490.50 318.00 108.00 32.50 4530.50
1972 58.00 88.50 201.50 158.50 536.00 718.50 906.50 951.00 535.50 306.00 110.50 99.00 4669.50
1973 63.50 55.50 115.50 253.00 554.00 715.50 948.00 864.00 628.00 342.00 79.00 67.00 4685.00
1974 92.50 73.50 169.50 234.00 395.50 787.50 868.00 918.00 692.00 342.00 130.00 59.00 4761.50
1975 58.50 36.50 59.00 127.50 468.50 624.00 1006.50 781.00 650.50 373.50 157.00 103.50 4446.00
1976 63.00 49.50 89.50 210.00 483.00 573.00 882.00 811.00 712.00 341.50 132.00 74.50 4421.00
1977 37.00 111.50 89.00 367.00 373.50 807.00 874.50 1030.50 562.00 334.00 130.00 88.00 4804.00
1978 9.50 57.50 237.00 229.50 410.00 726.50 929.50 854.00 569.50 346.50 77.50 11.50 4458.50
1979 0.00 60.00 149.00 247.00 547.00 721.50 971.00 902.50 724.50 445.00 7.00 90.00 4864.50
1980 21.50 49.00 90.50 217.50 n 491.50 575.50 910.00 773.00 668.00 326.50 122.50 152.00 4180.00
1981 9.00 84.50 138.00 0.00 z 327.00 l 606.50 832.50 981.00 658.00 338.50 185.50 51.50 3885.00
1982 38.00 99.00 105.00 178.50 427.00 756.50 872.50 878.00 553.00 286.00 54.50 41.00 4289.00
1983 88.00 124.50 214.50 238.50 547.00 635.00 807.50 955.00 512.50 347.50 207.00 8.50 4685.50
1984 96.50 43.00 183.00 206.50 404.00 578.50 918.00 885.00 529.00 237.00 80.00 8.50 4169.00
1985 0.00 24.00 98.50 352.50 508.50 701.50 1052.00 777.00 467.50 325.00 75.00 0.00 4381.50
1986 41.50 93.50 223.50 225.50 509.50 814.50 741.00 1024.00 506.00 388.00 113.00 5.50 4685.50
1987 17.50 41.50 183.00 392.00 606.00 761.50 839.50 859.50 748.50 432.50 141.00 70.00 5092.50
1988 17.50 105.00 139.00 348.50 473.00 656.50 916.00 857.50 648.00 585.50 144.50 34.50 4925.50
1989 66.00 3.50 160.50 352.00 479.50 746.00 840.00 832.00 639.50 353.50 163.50 40.00 4676.00
1990 50.00 64.50 177.50 413.00 464.50 691.00 1001.50 928.50 785.50 308.50 181.00 18.50 5084.00
1991 47.00 166.00 84.00 282.50 402.50 564.00 923.00 996.00 712.50 424.00 103.50 49.50 4754.50
1992 71.50 121.00 233.00 372.00 640.00 850.50 871.00 935.00 565.00 395.50 69.50 13.00 5137.00
1993 29.50 5.00 128.00 254.50 640.50 621.50 704.50 803.00 670.00 436.00 60.50 57.00 4410.00
1994 104.50 37.50 218.00 379.50 572.50 673.00 1032.50 909.00 777.50 334.50 57.50 77.50 5173.50
1995 62.00 164.00 173.50 261.00 538.00 632.00 948.50 799.50 744.00 330.00 250.50 62.50 4965.50
1996 87.50 79.50 145.00 326.00 405.50 676.00 1018.50 943.50 605.00 383.00 97.50 41.50 4808.50
1997 49.00 62.50 180.00 253.00 605.50 658.50 894.50 975.50 717.00 353.00 130.50 24.00 4903.00
1998 80.50 71.00 195.50 274.50 457.00 674.50 1093.00 974.00 0.00 z 332.00 145.00 79.00 4376.00
1999 101.50 79.00 127.00 200.50 418.50 668.00 867.00 971.50 647.50 362.00 208.00 69.50 4720.00
2000 15.50 44.00 134.00 378.50 523.50 711.50 913.00 914.50 617.50 337.00 55.00 4.00 4648.00
2001 8.50 34.00 168.00 230.50 585.50 633.50 921.73 a 991.50 753.50 350.50 140.00 30.50 4847.73
2002 47.50 77.00 99.00 305.00 507.50 786.50 1037.50 912.50 692.00 287.50 180.50 82.50 5015.00
2003 90.50 48.50 265.00 256.00 518.00 788.50 1047.50 969.00 754.00 507.50 76.50 22.00 5343.00
2004 25.00 36.00 287.00 348.00 493.00 765.00 1010.50 1002.00 615.50 412.00 120.00 50.50 5164.50
2005 40.00 52.00 233.00 282.00 571.00 0.00 z 638.00 965.50 618.00 414.00 72.00 41.00 3926.50
2006 83.50 43.00 113.00 287.50 519.50 712.00 1046.00 889.00 0.00 z 343.50 146.50 26.00 4209.50
2007 22.00 63.50 211.00 248.00 517.50 675.50 1032.00 857.00 620.00 310.00 115.50 52.00 4724.00
2008 11.00 0.00 z 89.00 71.50 m 513.50 632.00 955.50 0.00 z 654.50 343.00 194.50 45.00 3438.00
2009 59.50 7.50 70.50 229.50 521.50 738.50 1025.50 955.00 742.00 236.00 108.00 15.50 4709.00
2010 69.50 70.50 164.00 229.50 384.50 606.00 917.50 869.00 654.00 382.00 131.00 28.50 4506.00
2011 106.50 60.00 114.50 147.41 a 355.50 589.82 b 813.50 945.50 788.50 373.50 89.00 28.00 4411.74
2012 66.00 38.00 141.00 310.50 469.50 583.50 928.00 969.27 a 731.00 366.50 163.50 52.50 4819.27
2013 21.00 30.00 148.91 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 199.91
Period of Record Statistics
MEAN 48.46 60.88 142.27 263.16 475.75 660.69 898.99 871.75 619.19 358.03 120.45 51.72 4571.71
S.D. 32.65 40.43 59.01 74.73 79.92 76.14 87.96 83.59 83.38 73.35 49.65 33.63 320.33
SKEW 0.53 0.82 0.39 0.39 0.08 0.40 -0.14 0.05 -0.04 0.27 0.34 1.05 0.14
MAX 155.00 178.00 291.00 468.50 640.50 850.50 1123.00 1071.10 788.50 585.50 250.50 182.50 5343.00
MIN 0.00 0.50 32.00 118.00 318.00 481.00 638.00 664.00 429.81 212.00 7.00 0.00 3822.00
NO YRS 115 114 114 109 112 112 112 114 113 114 114 115 98