HOOD RIVER EXP STN, OREGON

Monthly Total Growing Degree Days

(354003)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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 1.50 5.00 28.00 94.50 356.00 413.50 689.00 735.00 441.00 185.48 a 73.50 61.50 3083.98
1894 20.50 4.00 65.50 192.00 432.50 486.00 786.50 821.00 453.00 239.50 174.00 0.00 3674.50
1895 0.50 36.50 58.50 236.90 a 380.00 519.50 f 706.50 726.00 389.42 d 329.00 71.00 18.00 2952.32
1896 6.00 43.50 166.88 a 190.00 360.50 649.50 994.50 852.00 585.00 374.00 71.00 28.00 4320.88
1897 29.50 9.00 38.00 393.00 617.00 633.50 774.00 991.00 576.00 345.00 109.00 25.50 4540.50
1898 4.65 a 87.50 83.00 313.00 491.50 669.00 872.50 693.50 g 621.00 279.00 48.50 18.50 3488.15
1899 69.50 58.00 81.50 222.32 b 312.50 550.50 876.00 645.50 686.00 292.50 212.50 54.50 4061.32
1900 0.00 z 0.00 z 246.50 j 379.50 536.00 749.00 857.00 733.00 600.50 345.50 130.00 91.50 4422.00
1901 24.50 46.50 152.50 243.50 527.00 551.38 a 746.50 937.50 530.50 436.50 g 145.00 49.50 3954.38
1902 35.50 54.00 102.00 252.50 507.50 611.50 763.00 822.00 615.00 440.50 76.50 3.00 4283.00
1903 19.50 20.00 125.50 247.00 512.00 737.00 749.88 b 805.00 580.50 398.50 75.50 h 9.50 4204.38
1904 34.50 0.00 39.00 371.50 567.96 c 715.00 940.50 915.50 711.00 430.50 197.00 55.00 4977.46
1905 12.40 a 69.00 272.50 440.00 532.00 724.50 955.00 851.00 651.00 242.50 84.50 6.00 4840.40
1906 34.10 a 25.93 a 128.50 459.00 517.00 632.50 1112.00 953.50 664.50 475.00 143.50 34.00 5179.53
1907 0.50 68.00 92.50 306.00 618.00 727.00 896.50 707.00 680.36 b 466.50 104.00 3.88 c 4670.23
1908 6.89 d 0.00 13.50 287.50 363.00 516.72 a 952.00 816.50 647.07 a 372.50 137.50 0.00 z 4113.18
1909 0.55 c 10.50 f 134.00 272.50 421.50 684.00 757.95 a 756.92 a 664.50 388.50 107.50 0.00 4187.92
1910 2.50 4.00 242.50 384.50 589.00 640.50 885.00 793.00 577.50 b 256.00 f 41.50 6.50 4166.50
1911 16.50 0.00 185.50 236.00 378.50 609.00 1006.00 779.50 484.00 261.50 0.00 z 27.00 3983.50
1912 2.00 27.00 84.50 292.50 533.72 a 721.00 838.00 744.53 b 569.00 258.50 113.50 26.00 4210.25
1913 8.27 a 17.00 100.00 280.50 499.50 701.00 909.00 912.50 659.50 383.07 c 50.00 h 12.00 4482.34
1914 21.50 35.00 223.20 a 344.00 584.00 643.50 861.50 861.00 494.50 377.17 a 113.00 0.00 4558.37
1915 0.00 33.00 256.00 394.50 478.50 656.50 823.10 b 913.50 595.50 338.50 67.00 33.00 4589.10
1916 1.50 11.50 142.50 324.00 394.00 612.00 691.00 806.00 547.00 247.50 31.50 0.00 e 3808.50
1917 29.00 34.50 25.50 169.50 399.50 613.97 a 847.85 a 878.50 604.50 416.50 115.00 178.00 4312.32
1918 69.00 f 12.50 i 131.00 300.00 397.00 738.50 790.00 708.00 672.50 382.50 53.50 63.03 a 4236.03
1919 37.50 6.00 102.00 g 314.00 462.50 516.50 847.00 881.00 561.00 251.50 87.69 d 0.50 3965.19
1920 37.00 5.02 c 109.50 168.50 308.50 g 610.50 854.50 833.00 542.00 243.00 f 73.50 19.00 3252.52
1921 22.00 54.50 157.77 c 251.38 a 555.50 695.50 820.50 824.08 a 473.79 a 354.84 c 102.50 18.00 s 4312.36
1922 0.00 4.50 44.43 a 213.50 475.00 772.50 940.00 836.50 13.80 e 358.50 4.00 u 12.73 c 3671.47
1923 7.00 z 14.50 136.29 b 306.50 516.50 662.07 a 819.43 a 849.50 636.72 a 346.00 142.22 c 17.05 a 4446.79
1924 21.91 b 106.50 124.52 a 352.50 b 621.11 c 671.50 787.50 768.00 586.11 c 323.36 b 51.50 54.54 d 4469.05
1925 36.00 82.44 a 161.09 c 349.00 589.00 665.50 882.47 a 746.58 a 611.25 b 341.00 a 54.00 41.85 a 4560.18
1926 21.18 a 93.50 265.50 471.50 491.87 a 772.50 875.50 852.50 a 508.50 392.50 118.97 a 25.83 a 4889.85
1927 9.62 b 38.50 132.50 281.50 440.50 526.50 h 848.00 813.50 569.50 380.00 201.00 30.00 3744.62
1928 11.50 7.50 182.00 238.00 637.64 b 628.00 862.32 a 789.00 547.50 358.50 92.50 8.50 4362.95
1929 0.00 22.00 182.50 216.00 504.00 655.50 835.50 860.00 583.00 411.00 81.00 46.00 4396.50
1930 5.50 59.00 219.50 407.00 456.00 606.00 822.50 866.50 631.00 267.00 89.00 3.50 4432.50
1931 22.00 26.50 119.50 334.50 633.50 631.00 883.00 816.50 575.50 346.50 74.00 0.00 4462.50
1932 21.50 55.50 133.00 308.50 445.50 715.50 728.50 770.50 625.50 384.00 125.00 31.00 4344.00
1933 46.00 20.00 106.00 298.00 391.50 614.00 831.00 835.00 488.50 443.50 127.50 114.00 4315.00
1934 94.50 110.00 324.50 527.00 593.00 687.50 801.00 873.00 588.00 431.50 157.50 39.50 5227.00
1935 3.00 20.50 57.50 244.00 479.00 673.00 823.50 779.00 666.50 323.50 27.50 3.50 4100.50
1936 9.00 17.00 131.00 411.50 604.50 675.50 797.50 818.50 572.00 449.00 45.50 88.00 4619.00
1937 0.00 18.50 144.50 234.50 508.50 679.00 843.00 765.50 619.00 477.50 152.50 49.50 4492.00
1938 22.50 16.50 95.00 342.50 523.90 a 704.50 920.50 745.50 727.24 a 355.50 76.50 71.50 4601.64
1939 53.00 7.00 195.00 350.50 546.00 568.00 827.00 820.00 635.50 389.00 112.00 76.00 4579.00
1940 3.00 55.50 241.50 352.00 609.50 762.50 837.00 828.00 673.50 451.00 53.00 21.50 4888.00
1941 7.50 36.50 255.50 385.50 516.00 639.50 955.00 813.00 536.50 341.00 135.00 42.50 4663.50
1942 0.00 17.00 134.00 341.50 458.50 613.00 862.50 872.50 646.00 403.50 35.50 21.50 4405.50
1943 9.00 10.00 107.00 366.00 427.00 583.50 825.50 739.50 682.00 344.50 59.50 35.50 4189.00
1944 1.50 28.50 130.50 275.00 498.00 610.00 850.50 782.00 677.00 457.00 74.00 24.00 4408.00
1945 69.00 47.00 89.50 257.00 513.00 608.50 878.50 825.50 556.50 384.50 58.50 22.50 4310.00
1946 14.00 31.50 124.00 284.00 548.50 580.00 811.00 802.00 582.50 249.00 35.50 70.00 4132.00
1947 23.50 85.50 233.50 371.50 655.50 614.50 813.00 764.00 647.50 366.50 137.00 23.50 4735.50
1948 25.00 34.50 76.50 234.50 487.50 780.00 769.00 754.00 545.00 316.00 53.79 a 3.10 a 4078.89
1949 0.00 a 21.50 124.00 353.79 a 582.00 650.00 789.50 790.50 646.55 a 235.50 169.20 e 33.07 a 4395.61
1950 0.00 18.67 a 74.50 228.50 463.97 a 661.07 b 864.00 882.47 a 639.50 323.50 128.28 a 50.50 4334.95
1951 10.33 a 34.00 79.05 a 339.44 c 502.50 707.00 841.50 787.92 a 637.24 a 334.00 65.89 b 11.00 4349.88
1952 0.00 20.50 108.50 328.50 511.00 582.50 904.68 a 861.50 701.00 514.08 a 27.93 a 1.50 4561.70
1953 150.00 68.96 a 154.00 272.50 423.50 521.00 756.50 807.00 657.86 b 414.22 b 122.07 a 74.29 b 4421.91
1954 8.27 a 47.00 78.53 a 282.93 a 556.00 571.00 720.50 693.88 a 598.50 279.00 196.80 e 10.85 a 4043.26
1955 13.50 f 32.85 b 46.00 f 136.50 427.00 655.50 691.00 783.02 b 581.90 a 344.50 80.17 a 18.17 b 3750.60
1956 0.00 d 7.81 c 105.00 334.00 594.34 b 577.22 c 882.47 a 591.50 h 616.00 300.50 76.50 70.78 a 3564.62
1957 0.00 24.37 a 99.50 331.00 590.50 662.31 d 739.35 a 723.33 a 708.62 a 314.00 70.34 a 35.13 a 4298.46
1958 35.00 130.67 a 102.82 a 266.00 693.22 b 780.00 963.00 919.50 627.50 384.50 124.04 d 47.02 a 5073.26
1959 42.00 37.00 124.53 b 322.50 418.00 676.00 870.00 815.00 577.00 395.50 80.00 c 14.95 c 4372.48
1960 1.50 45.65 b 176.00 281.50 404.00 700.86 a 904.68 a 752.50 596.50 398.35 a 90.50 6.50 4358.54
1961 38.00 95.50 166.00 262.50 471.50 789.00 871.88 c 924.32 a 502.00 328.37 d 19.50 25.00 4493.56
1962 59.50 61.50 83.00 376.50 358.57 a 631.00 761.64 b 761.57 a 590.89 b 361.00 149.50 43.50 4238.16
1963 18.00 90.50 133.00 209.00 498.50 627.50 715.00 780.50 729.50 385.50 121.50 1.00 4309.50
1964 17.00 53.00 94.50 231.50 404.00 568.00 775.50 706.00 525.50 316.50 39.00 16.00 3746.50
1965 28.50 69.00 143.00 324.00 418.00 629.50 865.50 840.50 529.00 426.00 165.50 20.00 4458.50
1966 5.00 26.50 126.50 323.00 524.50 605.50 772.50 793.50 667.00 326.50 126.50 43.50 4340.50
1967 68.50 64.50 88.00 172.00 501.00 763.00 897.50 966.50 763.00 384.50 115.00 62.00 4845.50
1968 28.00 115.50 232.00 235.50 489.00 657.00 863.00 755.00 629.00 264.50 94.00 15.50 4378.00
1969 5.00 1.50 161.00 280.50 583.50 784.00 800.50 764.00 636.50 281.00 134.00 8.50 4440.00
1970 4.00 76.74 a 136.50 194.50 483.50 764.50 876.50 845.00 497.00 269.50 102.00 2.00 4251.74
1971 60.00 78.81 a 50.00 216.00 521.00 546.50 871.50 903.50 494.50 312.00 70.00 12.50 4136.31
1972 35.50 83.00 193.00 168.50 559.50 662.00 870.00 884.50 508.00 302.00 127.50 45.50 4439.00
1973 7.00 35.50 129.00 300.50 526.00 651.00 857.50 747.00 622.50 336.50 26.50 27.00 4266.00
1974 52.00 41.50 126.00 258.50 405.50 688.50 775.50 852.50 667.50 332.00 133.00 52.50 4385.00
1975 41.00 16.00 50.50 155.00 469.50 624.50 871.50 721.00 625.50 335.50 96.00 71.50 4077.50
1976 0.00 z 29.50 77.50 245.00 489.00 543.50 796.00 734.50 609.50 319.50 155.00 17.00 4016.00
1977 13.50 85.00 105.00 381.50 367.50 734.50 804.00 979.50 528.50 314.00 99.00 84.00 4496.00
1978 5.00 46.00 232.00 262.00 416.00 707.59 a 853.50 806.50 510.50 348.50 58.00 35.50 4281.09
1979 0.00 21.00 185.50 280.50 539.00 682.00 866.00 793.50 672.00 426.50 43.00 53.00 4562.00
1980 2.00 10.50 116.50 343.50 486.50 545.50 823.00 739.50 617.50 348.50 121.50 66.50 4221.00
1981 46.00 66.50 194.50 279.50 487.00 580.71 b 790.50 921.73 a 614.00 284.50 113.79 a 17.50 4396.24
1982 48.00 61.50 106.50 175.50 457.50 714.50 808.00 847.50 600.50 278.50 40.50 30.00 4168.50
1983 40.50 72.00 231.50 285.00 577.50 605.00 750.50 828.50 514.00 311.50 152.50 2.00 4370.50
1984 43.50 26.50 204.50 239.00 404.00 571.50 873.50 845.50 542.50 246.00 44.50 7.00 4048.00
1985 0.00 29.00 88.50 343.50 516.50 653.50 980.00 753.50 470.50 280.50 73.00 0.00 4188.50
1986 4.50 53.50 267.50 254.00 530.00 784.00 739.00 951.00 524.00 375.50 139.00 2.00 4624.00
1987 0.50 30.50 145.18 a 393.50 587.00 741.00 789.50 848.37 a 675.52 a 383.00 154.00 31.00 4779.07
1988 1.50 77.50 151.50 330.00 482.00 620.50 861.00 813.50 628.00 509.50 123.00 42.00 4640.00
1989 51.50 7.50 112.00 389.00 514.00 717.50 762.50 786.00 650.50 347.50 180.50 31.00 4549.50
1990 53.00 50.00 195.00 412.50 467.00 661.50 942.00 896.00 744.00 304.50 172.00 14.00 4911.50
1991 28.00 131.00 95.00 277.00 437.50 575.00 897.50 919.00 705.50 386.50 109.50 57.00 4618.50
1992 54.00 122.00 287.00 360.50 651.00 818.50 906.50 882.50 579.00 404.50 111.00 15.00 5191.50
1993 4.00 7.00 125.50 265.50 621.50 636.50 698.00 821.00 657.50 432.00 29.50 21.00 4319.00
1994 71.00 18.00 206.00 377.50 581.50 635.00 935.00 855.50 719.00 329.00 28.00 36.50 4792.00
1995 11.50 137.00 150.00 271.00 575.00 652.00 897.50 755.50 702.50 336.00 200.00 33.00 4721.00
1996 44.00 29.50 167.00 329.50 409.50 619.50 937.00 857.00 532.00 321.00 72.50 3.50 4322.00
1997 20.00 55.50 137.00 246.50 605.00 649.50 831.50 887.50 658.50 301.50 117.50 15.50 4525.50
1998 13.50 38.50 169.00 300.50 495.00 697.50 966.50 894.00 734.00 301.50 136.50 41.50 4788.00
1999 46.50 20.00 110.00 238.50 422.00 622.50 795.50 889.50 606.50 338.00 176.50 78.50 4344.00
2000 8.50 21.00 123.50 411.50 533.50 725.50 830.00 861.00 607.50 331.50 57.50 0.00 4511.00
2001 3.00 14.00 190.50 272.50 567.00 626.00 812.50 895.00 710.00 308.50 105.50 13.00 4517.50
2002 23.00 62.50 106.00 296.00 481.50 738.00 923.00 854.00 638.00 300.00 113.00 20.00 4555.00
2003 66.50 74.50 220.00 303.50 516.50 766.00 950.50 895.00 713.00 430.50 41.00 3.50 4980.50
2004 13.50 35.50 269.50 401.50 556.00 721.50 957.50 923.00 595.00 397.00 107.50 38.50 5016.00
2005 48.50 34.50 247.50 310.50 562.50 634.00 898.00 897.50 611.50 354.50 48.00 2.00 4649.00
2006 41.00 34.50 127.00 337.00 563.00 710.00 964.00 869.50 670.00 343.00 111.50 19.00 4789.50
2007 19.00 53.50 216.00 297.00 556.00 684.00 951.00 815.00 611.50 261.00 81.00 8.50 4553.50
2008 0.00 71.50 100.50 163.50 536.00 604.00 865.50 850.00 592.50 262.50 116.50 33.50 4196.00
2009 33.50 5.00 43.00 237.50 510.00 712.50 943.50 877.00 676.50 251.00 46.00 1.50 4337.00
2010 21.00 49.50 134.50 231.50 392.00 594.50 819.50 817.00 613.50 375.00 123.00 8.00 4179.00
2011 56.50 34.50 60.50 153.50 381.50 595.50 757.00 892.50 758.50 407.65 a 98.00 22.00 4217.65
2012 2.50 16.50 67.00 267.50 417.00 572.50 842.50 907.50 683.00 272.50 h 130.50 32.00 3938.50
2013 15.00 32.50 160.00 17.00 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 207.50
Period of Record Statistics
MEAN 23.07 42.23 139.40 293.85 500.54 653.99 846.03 826.37 603.84 348.41 100.29 30.13 4445.93
S.D. 24.15 31.66 63.81 75.62 77.67 72.40 75.79 67.76 90.60 63.62 45.31 27.86 324.33
SKEW 1.79 0.96 0.53 0.14 -0.04 -0.18 0.25 0.02 -2.39 0.16 0.28 1.81 -0.44
MAX 150.00 137.00 324.50 527.00 693.22 818.50 1112.00 991.00 763.00 514.08 212.50 178.00 5227.00
MIN 0.00 0.00 13.50 94.50 312.50 413.50 689.00 645.50 13.80 185.48 19.50 0.00 3083.98
NO YRS 116 118 118 120 119 118 120 118 120 116 116 118 99