WALLOWA, OREGON

Monthly Total Growing Degree Days

(358997)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201302
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
1903 0.00 z 0.00 z 56.50 111.50 311.00 693.50 642.00 665.00 362.00 230.00 38.50 0.00 3110.00
1904 2.50 4.50 3.50 254.50 391.50 515.00 756.00 788.00 538.00 305.00 70.50 0.00 3629.00
1905 0.00 15.00 114.00 214.00 318.50 520.00 804.00 764.00 477.93 a 153.00 9.00 0.00 3389.43
1906 0.00 0.00 23.00 242.50 347.20 a 493.00 922.50 742.97 a 506.50 279.50 78.10 a 2.00 3637.27
1907 2.50 22.50 47.00 129.50 367.50 467.50 739.00 606.50 442.00 365.28 a 27.50 3.00 3219.78
1908 0.00 7.50 62.00 208.50 256.00 491.50 853.57 b 718.50 502.50 193.50 64.50 0.00 3358.07
1909 9.50 3.00 72.00 79.50 275.00 561.50 679.00 692.50 525.52 a 189.10 a 90.50 0.00 3177.12
1910 0.00 3.50 107.50 305.00 426.50 543.00 792.50 521.00 f 470.50 285.00 48.00 0.00 2981.50
1911 4.50 0.00 a 82.67 a 125.50 239.50 591.50 774.50 642.45 b 387.00 173.00 33.00 0.00 a 3053.61
1912 1.00 1.00 21.81 d 119.48 a 346.00 596.50 667.03 b 590.03 a 321.00 108.50 a 37.50 5.00 2814.87
1913 0.00 0.50 5.00 169.50 361.00 507.50 599.85 a 0.00 z 290.50 i 108.50 21.50 0.00 1773.35
1914 0.52 a 1.00 88.00 219.00 442.50 495.50 848.50 722.00 440.00 285.50 67.50 0.00 b 3610.02
1915 0.00 0.00 155.50 321.50 389.50 525.50 763.50 944.00 452.00 262.47 a 38.50 17.00 3869.47
1916 10.00 4.00 79.00 247.00 281.58 a 527.50 723.50 706.50 0.00 z 0.00 z 26.11 c 1.03 a 2606.23
1917 0.00 d 0.00 4.00 98.50 344.50 515.50 883.50 809.00 607.24 a 236.50 32.00 101.00 3631.74
1918 8.00 5.50 95.50 158.50 266.00 728.00 794.00 618.50 539.00 273.00 10.50 0.50 3497.00
1919 31.50 0.00 43.50 216.50 386.00 544.50 780.00 746.00 441.00 135.00 3.50 0.00 3327.50
1920 29.00 1.00 21.00 111.50 267.50 481.00 828.50 726.50 419.00 139.00 15.50 2.00 3041.50
1921 0.00 1.50 48.50 117.50 386.00 648.50 711.50 719.50 314.50 248.00 36.50 12.00 3244.00
1922 0.00 0.00 4.00 84.00 347.50 671.00 795.00 765.00 0.00 z 330.00 5.50 0.00 3002.00
1923 9.00 0.00 43.00 162.50 351.00 510.00 802.00 765.50 503.50 200.00 18.00 0.00 3364.50
1924 0.00 0.00 3.00 138.50 491.50 608.00 732.00 702.50 495.50 237.50 33.00 15.00 3456.50
1925 0.50 9.50 71.50 266.00 471.50 567.00 806.50 682.00 487.00 193.00 17.00 8.00 3579.50
1926 0.00 19.00 95.50 329.50 366.00 639.50 827.50 742.50 397.50 204.60 a 62.00 18.00 3701.60
1927 0.00 4.50 36.00 165.50 254.41 b 559.80 e 734.00 686.50 407.50 228.00 91.50 0.00 3167.71
1928 4.65 a 0.00 76.00 146.00 527.50 546.50 835.50 695.50 511.00 228.50 0.00 z 0.00 z 3571.15
1929 0.00 0.00 0.00 z 133.50 393.50 541.00 794.00 831.00 571.00 292.50 8.50 52.00 3617.00
1930 2.50 6.50 93.00 309.50 372.00 495.00 788.50 812.50 511.50 165.33 a 30.00 0.00 3586.33
1931 0.00 0.00 33.50 174.50 453.00 569.00 844.50 744.00 a 436.50 178.00 45.00 0.00 a 3478.00
1932 1.00 0.00 49.00 183.00 373.50 603.50 732.50 693.00 449.50 201.00 60.50 6.50 3353.00
1933 3.00 0.00 14.50 145.00 259.50 634.00 790.50 718.00 409.00 314.00 36.00 76.50 3400.00
1934 11.00 19.00 165.00 346.50 493.50 559.50 773.00 752.00 433.50 281.00 83.50 6.50 3924.00
1935 0.00 0.00 25.50 144.50 327.00 550.50 746.00 712.00 553.50 227.50 0.00 0.00 3286.50
1936 0.00 0.00 8.00 300.00 534.00 656.50 869.00 751.00 453.00 245.50 0.00 27.00 3844.00
1937 0.00 0.00 29.50 127.50 405.50 525.00 818.50 651.00 581.00 233.00 80.50 7.50 3459.00
1938 0.00 1.00 39.00 198.00 370.50 591.50 896.00 705.50 703.00 279.00 9.50 9.00 3802.00
1939 8.00 2.07 a 102.00 310.00 455.00 505.00 912.50 763.50 463.50 143.50 7.00 30.50 3702.57
1940 0.00 21.00 118.50 227.50 505.50 708.00 827.50 798.00 629.50 340.00 18.00 0.00 i 4193.50
1941 0.00 b 9.00 140.50 241.00 462.50 603.50 889.91 b 764.00 401.50 185.50 60.50 36.50 g 3757.91
1942 0.00 c 2.00 24.50 249.00 317.50 481.00 819.50 805.50 560.36 b 288.50 36.00 0.00 3583.86
1943 2.50 4.50 69.50 285.50 282.00 429.00 773.00 694.00 589.00 279.00 17.50 9.00 3434.50
1944 0.00 8.00 49.00 184.00 424.50 510.50 731.00 652.50 541.50 319.50 30.50 0.00 3451.00
1945 3.50 8.50 k 31.50 132.50 399.50 506.00 792.00 761.50 463.00 315.00 29.00 8.50 3442.00
1946 0.00 1.50 98.00 211.00 307.00 436.00 0.00 z 69.00 z 448.50 120.50 19.00 3.00 s 1641.50
1947 2.58 a 9.00 85.50 140.17 a 439.00 439.00 731.50 653.00 523.00 287.00 14.44 c 0.00 3324.20
1948 1.50 14.00 7.50 120.00 a 347.00 396.00 k 605.10 e 486.50 f 427.50 d 178.52 b 9.60 e 0.00 d 1710.71
1949 0.00 5.70 a 29.97 a 244.50 476.07 c 498.33 c 719.20 a 738.12 b 510.52 a 84.50 34.29 b 5.88 b 3347.08
1950 0.00 a 2.69 b 11.76 b 102.50 120.50 t 510.58 d 0.00 z 711.28 d 443.33 c 241.36 c 0.00 z 2.30 d 2025.79
1951 1.11 c 8.52 e 7.20 c 137.88 d 441.46 d 0.00 z 818.40 a 710.70 d 510.00 d 204.48 e 18.50 j 27.00 j 2839.76
1952 0.00 z 0.00 z 26.35 a 233.79 a 406.44 d 556.11 c 577.50 h 480.00 j 580.20 e 304.04 e 0.00 g 0.00 z 2106.94
1953 0.00 z 0.00 i 58.00 161.25 b 276.50 435.50 733.00 725.00 557.00 245.00 56.00 5.88 b 3253.13
1954 5.34 b 29.00 28.00 166.00 421.17 b 449.50 775.00 586.33 b 410.17 a 142.00 47.14 b 0.00 z 3059.66
1955 0.00 z 0.00 z 0.00 z 71.50 299.50 598.93 b 752.02 b 694.50 480.50 275.50 29.50 15.50 3217.45
1956 3.00 10.00 51.50 226.50 458.00 507.50 814.00 671.15 a 520.00 194.50 24.00 16.50 3496.65
1957 0.00 a 11.41 a 42.88 a 168.50 481.00 602.00 754.69 b 661.33 a 564.50 199.00 6.00 4.13 a 3495.45
1958 0.00 38.37 a 13.00 131.50 558.52 a 633.50 822.50 811.68 a 448.00 263.00 57.50 11.00 3788.57
1959 12.00 3.00 24.50 197.00 269.18 a 579.00 757.50 623.10 a 430.50 193.50 26.38 a 0.00 3115.66
1960 0.00 0.00 58.50 200.00 301.00 545.00 873.50 630.50 511.50 211.50 41.50 0.50 3373.50
1961 0.00 34.00 64.00 159.00 341.50 685.50 806.50 876.50 333.00 178.50 0.00 5.00 3483.50
1962 8.50 1.50 22.50 236.00 305.00 511.50 702.00 677.00 502.50 220.00 53.50 0.00 3240.00
1963 0.00 44.00 67.50 103.00 405.00 555.00 659.00 755.00 670.00 331.50 30.50 0.00 3620.50
1964 1.00 0.00 19.50 100.50 308.00 519.83 a 0.00 z 635.50 401.00 205.50 21.50 16.00 2228.33
1965 16.50 13.00 21.50 208.00 285.50 520.50 761.50 709.00 340.00 295.00 52.50 11.00 3234.00
1966 9.50 0.00 71.50 160.00 446.00 508.50 747.50 726.00 616.50 190.50 41.50 1.00 3518.50
1967 17.00 16.00 35.50 0.00 z 0.00 z 0.00 z 0.00 z 858.00 658.00 223.50 55.00 12.00 1875.00
1968 0.00 58.50 88.50 105.50 364.50 573.00 792.00 663.50 491.50 130.00 11.50 12.00 3290.50
1969 0.00 0.00 36.00 163.50 462.50 618.50 695.50 705.00 525.50 109.00 46.00 3.50 3365.00
1970 10.50 8.00 26.00 46.00 355.00 658.50 811.50 751.50 346.50 140.00 13.00 0.00 3166.50
1971 31.00 11.00 23.50 102.93 a 410.00 494.00 744.50 877.50 335.00 167.00 12.00 0.00 3208.43
1972 17.00 25.50 113.50 85.00 424.00 598.00 738.50 785.00 381.00 236.50 13.00 15.50 3432.50
1973 11.00 8.50 31.00 123.50 424.50 574.00 797.00 734.50 495.00 185.50 23.50 0.00 3408.00
1974 37.50 7.00 70.00 158.00 296.50 680.50 753.00 716.00 515.50 178.50 46.50 0.50 3459.50
1975 7.50 2.00 20.50 33.00 320.50 502.00 865.50 654.00 489.50 225.00 46.50 47.00 3213.00
1976 5.00 3.50 17.00 122.00 402.50 489.00 808.00 679.00 557.00 190.50 72.50 2.00 3348.00
1977 0.00 16.50 19.00 262.50 279.50 712.00 766.00 791.50 439.00 210.00 33.50 44.00 3573.50
1978 1.00 6.00 164.00 169.00 320.00 553.50 781.50 687.50 458.50 207.00 28.50 0.00 a 3376.50
1979 0.00 5.50 32.50 169.00 411.50 582.50 804.00 794.00 571.50 295.00 5.50 8.00 3679.00
1980 5.00 17.00 33.00 258.50 399.00 525.50 781.00 621.00 549.50 202.50 60.00 42.00 3494.00
1981 0.00 17.50 73.00 224.50 365.00 529.50 695.00 816.00 488.50 141.00 53.50 16.00 3419.50
1982 8.00 34.00 37.00 118.00 339.00 660.50 744.50 789.50 460.50 192.00 3.50 7.00 3393.50
1983 11.00 33.00 71.00 134.50 398.00 529.50 715.00 860.00 404.00 217.50 47.50 1.00 3422.00
1984 4.50 0.00 43.00 121.50 326.00 519.00 786.50 829.50 446.50 163.00 29.00 0.00 3268.50
1985 0.00 0.50 18.00 255.50 418.00 591.00 900.50 656.68 a 349.50 174.00 29.00 0.00 3392.68
1986 0.00 41.50 142.50 163.00 437.50 711.00 657.00 857.50 378.50 215.00 21.50 0.00 3625.00
1987 0.00 0.00 57.50 341.50 466.00 638.00 737.00 710.50 582.00 252.50 66.50 49.00 3900.50
1988 0.00 9.50 58.50 271.00 402.00 621.00 795.50 744.50 513.50 447.00 52.50 0.00 3915.00
1989 0.00 0.00 71.50 280.50 380.00 614.50 816.00 672.00 493.00 222.50 77.00 3.00 3630.00
1990 13.50 15.00 79.00 283.50 351.50 597.00 877.50 831.00 662.50 180.00 59.00 0.00 3949.50
1991 9.50 27.00 45.50 136.00 293.00 506.00 783.00 873.50 585.50 238.00 20.00 4.00 3521.00
1992 8.50 67.50 142.50 285.00 525.00 707.50 772.00 789.00 522.50 288.00 8.50 0.00 4116.00
1993 0.00 0.00 63.00 155.50 565.50 540.00 597.00 681.50 480.50 265.50 14.00 23.00 3385.50
1994 0.00 2.50 93.00 277.50 477.50 577.50 881.50 847.00 623.50 226.50 0.00 2.50 4009.00
1995 8.00 59.00 79.00 165.50 390.00 557.50 825.00 718.00 594.50 172.50 114.50 28.50 3712.00
1996 9.00 42.00 79.50 223.50 326.00 579.50 879.50 817.00 440.50 274.50 25.50 0.00 z 3696.50
1997 0.00 z 11.00 113.00 152.00 523.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 799.50
1998 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 706.00 187.50 41.50 14.50 949.50
1999 6.00 6.50 54.50 123.50 326.50 567.00 767.00 877.00 486.50 261.00 86.00 0.00 3561.50
2000 0.00 3.00 47.00 289.00 417.00 612.00 818.50 764.50 484.50 207.00 1.50 0.00 3644.00
2001 0.00 0.00 61.50 163.00 487.00 568.50 833.50 874.50 643.50 232.00 57.00 0.00 3920.50
2002 2.00 0.50 45.00 176.00 371.50 650.50 941.00 715.00 542.50 162.50 35.00 23.50 3665.00
2003 17.00 13.50 136.00 0.00 z 421.50 667.00 965.50 917.50 619.50 369.00 29.50 4.50 4160.50
2004 2.50 0.00 135.50 253.00 416.00 648.50 909.50 864.38 a 510.50 282.00 25.00 9.50 4056.38
2005 0.00 1.00 93.00 197.50 473.00 567.50 911.50 872.50 531.50 284.00 27.00 0.50 3959.00
2006 0.00 z 22.00 59.00 198.00 483.00 685.50 967.50 790.00 584.50 252.00 99.50 7.00 4148.00
2007 1.50 23.00 170.00 229.00 481.50 661.50 1021.00 805.50 551.50 249.50 30.00 10.50 4234.50
2008 0.00 6.50 19.00 104.00 450.50 575.50 830.50 819.00 550.50 232.50 61.00 4.50 3653.50
2009 22.50 0.00 32.00 172.00 452.50 626.00 878.50 835.50 672.00 158.00 43.50 0.00 3892.50
2010 0.00 6.00 51.50 188.00 313.50 575.00 807.50 781.00 609.00 321.50 92.00 0.00 3745.00
2011 12.92 a 21.50 42.50 63.62 a 352.88 a 560.69 a 764.00 854.50 670.34 a 292.00 32.68 b 10.33 a 3677.97
2012 3.00 4.00 86.50 267.78 c 373.03 a 576.21 a 896.50 846.50 0.00 z 219.50 0.00 z 16.50 3289.52
2013 0.00 7.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 7.00
Period of Record Statistics
MEAN 4.69 10.11 58.60 184.33 385.86 568.48 792.61 746.36 500.25 227.08 36.94 9.25 3521.39
S.D. 7.49 13.94 40.32 70.57 76.10 69.11 77.90 78.10 88.38 63.45 25.31 16.25 265.66
SKEW 2.27 2.02 0.88 0.31 0.17 0.30 0.06 0.21 0.13 0.37 0.72 3.14 0.29
MAX 37.50 67.50 170.00 346.50 565.50 728.00 1021.00 944.00 706.00 447.00 114.50 101.00 4234.50
MIN 0.00 0.00 3.00 33.00 239.50 429.00 597.00 586.33 314.50 84.50 0.00 0.00 2814.87
NO YRS 104 105 107 107 107 105 103 103 105 108 104 101 84