PENDLETON WSO AIRPORT, OREGON

Monthly Total Growing Degree Days

(356546)

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
1928 5.00 9.00 244.00 295.50 700.00 751.00 1093.50 911.50 646.50 388.50 113.00 36.50 5194.00
1929 0.00 14.00 218.50 264.00 581.00 760.50 971.50 1031.00 610.50 290.00 21.00 53.50 4815.50
1930 11.07 c 128.00 247.50 464.50 541.00 745.50 1083.50 1048.83 a 687.50 286.50 84.00 11.50 5339.40
1931 73.50 58.00 196.00 407.50 746.00 799.00 1082.50 986.50 651.50 294.00 64.50 8.50 5367.50
1932 8.00 76.00 169.50 255.00 418.50 686.50 926.00 957.00 697.00 431.00 223.00 64.50 4912.00
1933 88.50 45.50 226.00 375.00 486.00 798.00 1033.00 1012.50 624.50 475.50 129.50 207.50 5501.50
1934 143.00 134.00 387.00 587.50 712.00 765.50 934.50 947.50 602.50 412.00 202.50 63.50 5891.50
1935 65.00 53.00 134.50 252.50 560.50 772.00 996.50 939.50 816.00 388.50 37.00 23.00 5038.00
1936 46.50 14.50 141.00 474.00 705.50 813.00 1037.50 1015.50 690.50 500.00 38.00 83.00 5559.00
1937 0.00 29.00 201.00 278.00 584.00 759.50 1076.73 a 913.00 751.50 516.50 157.50 59.50 5326.23
1938 42.50 8.50 158.00 362.50 582.00 833.50 1127.00 952.00 870.00 431.00 79.00 97.50 5543.50
1939 66.00 20.00 227.00 417.00 656.00 710.50 1072.50 1058.00 757.50 429.00 119.00 130.50 5663.00
1940 5.00 94.00 303.50 396.00 701.50 892.00 1017.50 1020.50 779.00 511.00 56.50 59.00 5835.50
1941 27.00 61.00 290.00 411.00 565.50 730.00 1146.50 974.00 588.00 331.50 159.50 106.50 5390.50
1942 5.50 28.00 162.00 401.00 514.50 690.50 1068.00 1077.00 781.50 481.50 68.00 39.50 5317.00
1943 11.00 21.00 136.50 414.50 481.00 650.50 1033.50 897.00 819.50 430.50 49.50 36.50 4981.00
1944 24.00 15.00 140.50 342.50 555.50 675.50 943.00 841.00 697.00 471.50 110.00 26.00 4841.50
1945 63.00 62.00 138.00 278.50 606.00 727.00 1088.00 1036.50 654.50 476.50 125.00 69.50 5324.50
1946 57.50 75.50 146.00 368.00 614.00 699.50 1017.00 998.00 649.50 277.50 53.00 102.00 5057.50
1947 29.00 82.00 262.00 393.50 744.50 701.50 971.50 912.00 733.00 435.50 90.00 39.50 5394.00
1948 25.50 57.50 94.50 246.50 473.50 853.50 889.04 c 890.06 e 647.00 319.50 81.00 8.00 4585.59
1949 0.00 27.50 128.50 437.50 698.00 756.00 966.00 941.50 738.00 280.50 195.00 47.00 5215.50
1950 6.50 49.50 106.00 260.00 502.00 715.00 1030.00 1028.50 753.50 381.50 111.00 e 70.00 5013.50
1951 31.00 44.50 93.50 363.00 572.00 773.50 1045.50 950.00 742.50 349.50 88.00 17.50 5070.50
1952 8.00 68.50 116.50 413.50 601.00 708.00 1050.90 a 976.50 802.50 543.50 34.00 36.00 5358.90
1953 157.00 f 71.50 180.00 283.00 461.68 c 595.00 1006.50 946.50 785.50 419.69 e 180.00 65.50 4994.87
1954 51.50 91.00 74.00 287.50 592.50 649.50 966.00 846.00 658.50 317.00 208.50 23.00 4765.00
1955 5.50 20.00 65.50 184.50 453.00 800.50 919.50 992.00 689.50 397.00 104.00 53.50 4684.50
1956 30.00 16.50 147.00 419.00 657.00 694.50 1111.50 975.00 756.50 337.50 67.24 a 99.20 a 5310.94
1957 3.50 61.00 126.50 380.00 665.00 835.00 962.50 899.50 787.50 283.50 78.00 91.50 5173.50
1958 73.50 190.50 116.50 296.50 770.00 894.50 1163.50 1144.00 705.00 455.50 176.50 71.50 6057.50
1959 79.50 42.50 158.50 351.00 475.00 784.50 1070.50 919.00 630.00 415.50 107.50 28.00 5061.50
1960 20.50 75.50 220.00 351.50 493.50 820.00 1186.00 901.00 727.50 429.00 118.00 7.00 5349.50
1961 81.50 155.00 203.50 307.00 539.00 949.00 1109.00 1143.50 585.00 315.50 39.00 79.50 5506.50
1962 74.50 96.50 130.50 413.50 432.50 751.50 1019.50 923.50 751.00 393.50 168.50 65.00 5220.00
1963 19.50 133.00 171.50 241.00 586.50 775.00 888.00 983.50 826.00 481.00 158.50 23.50 5287.00
1964 49.50 54.50 131.00 255.50 518.50 746.50 997.50 880.00 679.00 372.50 73.00 48.00 4805.50
1965 49.00 78.50 100.00 386.00 558.00 780.00 1048.00 977.00 601.50 542.50 167.00 52.50 5340.00
1966 75.00 45.50 198.00 363.00 618.00 738.00 958.50 1005.50 798.50 433.50 164.00 90.00 5487.50
1967 105.00 86.00 128.50 174.50 572.50 890.50 1126.00 1228.50 897.50 462.00 93.50 100.50 5865.00
1968 67.00 163.00 261.50 290.50 609.00 823.00 1153.50 956.00 776.00 333.00 97.50 42.00 5572.00
1969 7.50 5.50 170.00 293.50 673.50 894.00 1006.50 933.50 741.00 291.00 160.00 39.00 5215.00
1970 24.50 38.00 138.00 176.00 550.00 860.50 1078.50 1007.50 487.50 243.50 89.00 42.00 4735.00
1971 137.50 80.50 72.00 281.00 635.50 698.00 1116.50 1140.50 572.50 384.50 131.00 50.50 5300.00
1972 66.00 97.50 243.00 227.50 645.50 848.00 1076.00 1121.00 631.50 355.00 110.00 88.50 5509.50
1973 54.00 59.00 179.50 307.50 660.00 808.00 1093.50 982.00 718.50 395.00 120.50 109.50 5487.00
1974 129.00 110.50 210.50 351.50 534.50 932.50 1033.00 1099.50 824.00 458.00 167.00 78.50 5928.50
1975 52.50 70.00 169.50 233.50 598.50 772.00 1189.00 931.00 808.00 442.00 162.00 126.00 5554.00
1976 67.00 59.50 136.50 305.00 581.00 710.00 1034.00 858.50 817.00 407.00 143.50 51.50 5170.50
1977 19.50 118.00 136.00 459.50 466.50 872.50 938.00 1080.50 555.00 311.00 89.50 80.50 5126.50
1978 4.50 47.50 227.00 240.00 445.50 789.50 996.50 910.50 612.50 367.50 61.50 12.00 4714.50
1979 0.00 57.50 195.50 311.50 605.00 797.50 1016.00 949.50 764.00 444.00 16.00 59.00 5215.50
1980 16.00 44.50 77.00 358.00 506.00 611.50 994.00 833.00 698.50 355.00 121.50 129.50 4744.50
1981 20.00 87.50 180.00 312.50 495.50 645.50 903.50 1061.50 715.00 328.50 159.00 48.00 4956.50
1982 43.50 103.50 119.50 229.00 520.50 826.00 964.50 975.00 620.00 333.00 59.00 53.00 4846.50
1983 97.00 154.00 241.00 271.50 586.00 679.50 881.00 1013.00 566.00 385.00 202.50 5.00 5081.50
1984 69.50 51.50 209.50 245.00 455.50 662.00 1019.00 997.50 611.50 297.50 95.00 9.00 4722.50
1985 0.00 33.00 116.00 391.50 571.50 768.00 1158.00 872.00 509.50 327.50 71.00 0.00 4818.00
1986 30.50 96.50 272.00 300.00 576.50 899.50 853.50 1108.00 565.00 434.00 118.00 1.50 5255.00
1987 23.00 37.00 205.00 417.50 608.50 816.50 894.00 947.00 784.50 438.00 134.50 67.00 5372.50
1988 20.00 103.00 131.50 355.50 519.50 717.00 992.50 929.50 700.00 570.00 141.00 26.50 5206.00
1989 62.00 3.50 151.50 387.00 492.00 777.00 938.50 892.00 707.50 365.00 169.00 35.50 4980.50
1990 74.50 66.00 190.50 444.00 506.50 742.00 1091.00 998.00 846.50 348.50 169.50 19.50 5496.50
1991 32.00 140.50 97.50 287.00 429.50 587.00 975.50 1031.00 745.50 402.50 99.50 60.00 4887.50
1992 81.00 103.00 240.00 384.00 692.00 910.50 987.50 1010.00 655.00 440.50 68.50 21.50 5593.50
1993 22.50 6.00 138.50 309.00 674.50 686.50 786.50 867.00 729.00 451.50 48.00 61.50 4780.50
1994 87.50 51.00 220.00 429.50 622.50 731.00 1094.50 981.50 816.00 359.00 53.50 72.00 5518.00
1995 63.00 143.00 186.00 268.00 549.50 660.50 992.50 848.00 779.50 332.00 222.00 42.00 5086.00
1996 51.50 123.00 135.00 358.50 449.00 719.00 1074.00 993.50 629.00 345.50 73.50 36.00 4987.50
1997 39.50 61.00 176.50 266.00 613.00 692.00 943.50 1026.00 746.00 354.50 125.50 26.00 5069.50
1998 70.00 97.50 194.50 307.50 502.00 760.50 1156.50 1072.00 832.50 338.50 166.00 81.00 5578.50
1999 87.50 98.50 120.00 225.00 a 438.00 711.00 929.50 1007.50 675.50 335.50 161.90 a 62.50 4852.40
2000 20.50 45.50 118.12 b 419.50 565.50 775.00 978.50 951.00 646.00 300.00 33.50 0.00 4853.12
2001 3.00 13.00 141.50 222.50 577.50 662.00 946.00 1028.00 786.00 347.50 121.50 32.03 a 4880.53
2002 49.50 56.00 104.50 297.00 504.50 805.50 1085.50 934.50 704.00 301.50 144.00 87.50 5074.00
2003 111.00 41.00 268.00 295.00 535.00 829.50 1121.50 1022.50 774.00 504.00 75.00 16.00 5592.50
2004 23.00 44.00 285.50 373.50 576.50 810.00 1102.00 1066.50 674.50 478.00 111.00 74.00 5618.50
2005 58.00 35.50 222.50 313.00 588.00 689.00 1037.00 1009.50 631.00 399.00 54.50 34.50 5071.50
2006 84.50 45.50 142.50 314.00 586.50 764.00 1101.50 960.00 716.50 331.50 164.50 32.50 5243.50
2007 22.50 47.00 211.00 284.00 563.50 744.50 1111.50 910.00 631.00 303.50 101.00 53.00 4982.50
2008 18.50 72.50 73.50 192.00 587.50 702.00 983.50 956.00 669.50 0.00 z 139.50 32.00 4426.50
2009 52.00 13.50 73.00 272.00 577.50 770.50 1077.50 997.00 745.50 265.00 82.50 6.00 4932.00
2010 78.50 90.50 172.50 273.50 431.00 663.00 972.50 936.00 697.00 377.00 101.00 39.50 4832.00
2011 76.50 55.00 126.00 158.00 413.50 610.50 862.00 983.00 792.00 362.50 80.50 31.50 4551.00
2012 34.50 32.50 136.50 348.50 517.00 653.50 1005.00 1012.50 745.00 379.00 166.50 84.50 5115.00
2013 28.50 50.00 208.00 35.50 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 286.50
Period of Record Statistics
MEAN 45.18 65.63 170.26 325.15 566.24 757.15 1023.27 979.76 707.31 387.01 112.62 53.57 5199.50
S.D. 34.16 40.83 61.35 79.71 83.14 79.65 83.26 76.20 84.96 72.73 50.08 35.84 332.82
SKEW 0.66 0.75 0.67 0.32 0.25 0.20 -0.24 0.52 -0.22 0.32 0.19 1.14 0.29
MAX 143.00 190.50 387.00 587.50 770.00 949.00 1189.00 1228.50 897.50 570.00 223.00 207.50 6057.50
MIN 0.00 3.50 65.50 158.00 413.50 587.00 786.50 833.00 487.50 243.50 16.00 0.00 4551.00
NO YRS 85 86 86 85 85 85 85 85 85 84 85 85 83