ABERDEEN EXP STN, IDAHO

Monthly Total Growing Degree Days

(100010)

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
1914 0.00 z 0.00 z 0.00 z 146.50 f 443.50 551.90 a 905.50 840.50 465.00 a 258.00 49.66 a 0.00 3514.05
1915 0.00 0.50 76.50 327.50 358.50 507.50 784.00 918.00 455.50 283.50 44.50 3.00 3759.00
1916 0.00 0.00 81.00 208.50 276.00 542.00 901.50 782.50 511.50 139.50 b 22.50 0.00 3465.00
1917 0.00 1.50 1.50 68.00 292.50 577.00 979.00 781.50 563.50 265.00 68.50 52.70 a 3650.70
1918 2.50 0.00 66.00 125.17 a 344.50 845.00 880.00 727.00 569.50 268.50 26.00 4.00 3858.17
1919 0.00 0.00 46.50 229.50 490.50 693.00 968.00 906.50 555.50 88.00 16.50 0.00 a 3994.00
1920 0.00 0.00 11.00 71.00 335.50 584.50 908.50 816.50 509.00 172.50 20.00 0.00 3428.50
1921 0.00 0.00 58.50 114.00 410.50 693.50 892.50 846.00 375.50 288.50 44.50 7.00 3730.50
1922 0.00 0.00 7.50 51.00 377.00 665.50 845.27 a 866.00 603.00 271.00 0.00 0.00 3686.27
1923 0.00 0.00 20.87 e 120.00 403.50 517.50 947.00 828.50 555.00 110.00 13.00 0.50 3515.87
1924 0.00 0.00 1.50 149.00 496.00 612.50 843.50 782.00 493.45 a 183.50 30.50 0.00 3591.95
1925 0.00 3.00 68.50 186.50 497.55 a 606.50 957.50 773.45 a 494.00 128.50 0.50 0.50 3716.50
1926 0.00 2.50 26.41 d 319.14 a 468.50 761.50 941.50 848.00 365.69 a 263.00 29.50 15.00 4040.74
1927 0.00 0.00 16.50 151.00 315.50 653.50 903.00 762.50 454.50 249.50 84.00 8.00 3598.00
1928 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 746.07 a 540.00 a 201.50 a 26.50 0.00 a 1514.07
1929 0.00 0.00 14.50 120.00 385.00 596.50 944.00 929.50 412.50 222.00 0.50 34.50 3659.00
1930 0.00 26.00 52.00 323.00 381.00 625.50 988.00 908.50 526.73 d 191.00 5.00 0.00 4026.73
1931 0.00 0.00 36.37 e 187.76 a 448.00 767.00 969.35 e 892.00 555.50 252.00 74.44 c 0.00 4182.41
1932 0.00 0.00 16.02 a 177.50 439.00 670.50 926.50 841.50 574.00 204.50 66.50 0.00 3916.02
1933 0.00 0.00 19.00 142.50 279.00 784.62 d 1024.00 845.50 551.50 373.50 35.50 28.50 4083.62
1934 6.50 18.50 177.00 376.00 642.00 676.00 988.38 a 908.82 a 477.50 326.00 73.50 0.00 4670.20
1935 0.00 0.00 30.50 162.50 335.00 645.00 949.00 872.00 602.00 252.00 0.00 0.00 3848.00
1936 0.00 0.00 7.50 312.00 532.50 724.66 a 1025.50 872.28 b 493.45 a 253.00 3.50 0.50 4224.88
1937 0.00 0.00 1.50 113.04 b 544.10 b 626.00 978.57 a 874.00 630.00 298.50 25.00 1.60 b 4092.31
1938 0.00 5.00 13.00 170.00 f 403.00 709.00 891.00 875.50 717.00 303.00 2.00 5.68 a 3924.18
1939 0.00 0.00 94.50 279.00 585.50 609.50 748.00 g 896.33 b 606.00 294.50 20.50 39.00 3424.83
1940 1.50 7.00 102.50 221.00 565.50 789.50 963.58 a 909.00 576.00 271.00 10.50 0.00 4417.08
1941 0.00 0.00 36.50 122.00 446.50 597.00 925.00 809.50 372.00 167.40 a 62.50 2.00 3540.40
1942 0.00 a 0.00 2.50 237.00 319.00 584.50 964.50 890.00 577.00 283.00 19.00 0.00 3876.50
1943 3.00 0.00 51.50 337.50 370.00 557.00 939.50 870.00 634.00 345.13 a 27.00 0.00 a 4134.63
1944 0.00 0.00 10.50 108.00 453.00 506.50 847.50 796.50 535.86 a 312.58 a 18.00 0.00 a 3588.45
1945 0.00 0.00 25.50 125.00 422.50 512.50 932.58 a 637.50 h 456.50 237.50 n 29.50 3.50 2507.58
1946 0.00 2.00 56.50 336.11 c 384.00 674.50 983.00 876.00 494.50 107.50 3.50 15.00 3932.61
1947 0.00 7.50 81.00 176.50 563.00 548.28 a 962.00 872.00 573.00 335.50 10.50 0.00 4129.28
1948 1.00 5.00 16.00 193.50 452.50 692.50 875.50 854.50 563.50 243.50 24.31 a 0.00 3921.81
1949 0.00 0.00 31.50 290.00 510.00 625.00 910.50 913.00 607.50 115.45 b 60.50 0.00 4063.45
1950 0.00 19.50 30.50 149.00 330.50 616.03 a 842.00 826.00 545.50 350.00 51.21 a 0.00 3760.24
1951 0.00 14.00 13.50 209.50 480.00 532.00 929.00 815.50 573.50 193.50 7.76 a 0.00 3768.26
1952 0.00 a 0.00 1.50 227.00 491.50 660.00 851.50 884.50 597.50 314.00 3.00 0.00 4030.50
1953 19.50 23.50 65.10 a 161.50 268.00 589.50 962.00 859.50 648.50 309.00 99.50 0.00 a 4005.60
1954 1.00 13.00 26.50 241.50 515.50 588.00 987.00 808.00 547.00 210.00 54.50 0.00 3992.00
1955 0.00 0.00 7.50 95.00 74.00 x 637.50 884.53 a 920.00 528.50 284.00 35.50 16.50 3409.03
1956 0.00 0.00 67.50 223.50 509.50 698.00 916.00 786.00 573.00 238.50 4.50 2.50 4019.00
1957 0.00 8.00 46.00 143.00 450.00 657.00 894.50 862.50 539.00 206.50 1.50 3.50 3811.50
1958 0.00 h 35.50 31.50 123.00 639.50 705.00 823.50 940.00 539.00 303.00 72.50 6.00 4218.50
1959 0.00 0.00 21.00 225.50 302.50 745.50 922.00 810.50 486.50 242.50 23.50 0.00 3779.50
1960 0.00 0.00 77.00 219.00 390.50 720.58 d 1009.57 a 761.00 605.00 225.00 26.00 1.00 4034.64
1961 0.00 13.50 52.50 161.50 447.50 804.50 939.00 943.00 394.00 191.00 9.00 0.50 3956.00
1962 0.00 5.00 9.00 249.50 317.50 624.50 805.00 743.00 526.50 243.50 41.50 0.00 3565.00
1963 0.00 18.00 42.50 83.28 a 440.50 503.00 803.50 837.50 614.00 343.50 23.50 0.00 3709.28
1964 0.00 0.00 0.00 85.50 359.00 519.31 a 911.00 732.50 398.65 d 218.50 8.79 a 10.00 3243.26
1965 5.50 0.00 7.50 172.50 294.00 558.00 817.00 739.50 331.00 237.00 52.00 1.03 a 3215.03
1966 0.00 0.00 44.50 128.50 475.50 615.50 903.50 777.50 591.50 125.50 23.50 0.50 3686.00
1967 0.00 3.50 36.00 58.00 366.50 554.00 891.00 882.50 587.50 188.00 49.50 0.00 3616.50
1968 0.00 7.00 55.50 99.00 341.50 592.00 896.00 638.50 424.50 146.00 8.50 0.00 c 3208.50
1969 3.50 0.00 18.00 168.00 512.00 569.50 843.50 854.00 557.50 79.00 13.50 0.50 3619.00
1970 7.00 1.50 13.00 41.00 364.50 623.00 834.33 b 857.00 343.50 124.50 11.00 0.00 3220.33
1971 4.65 a 4.00 22.50 110.36 b 400.00 586.50 845.00 914.50 364.00 148.00 15.00 0.00 3414.51
1972 0.00 8.00 109.00 124.50 395.50 675.00 816.50 836.50 380.50 231.00 10.50 3.00 3590.00
1973 0.00 0.00 a 1.00 97.00 392.00 590.50 848.00 817.00 408.00 196.50 24.64 b 0.00 3374.64
1974 3.00 0.00 25.50 119.00 376.50 734.00 896.50 764.00 490.00 213.50 7.50 0.00 b 3629.50
1975 0.00 0.00 5.50 29.50 285.00 563.00 955.50 718.50 500.00 222.50 22.50 3.50 3305.50
1976 0.00 1.50 6.50 104.50 443.00 580.00 c 894.00 706.00 522.50 158.50 35.00 0.00 3451.50
1977 0.00 b 0.00 14.50 238.50 306.00 782.00 838.50 793.00 501.43 b 217.00 18.50 7.50 3716.93
1978 0.00 0.00 112.63 a 161.50 308.50 567.00 826.50 715.00 451.00 217.00 29.00 0.00 a 3388.13
1979 0.00 0.00 16.50 148.50 446.50 639.00 847.00 801.00 595.00 267.00 3.00 0.00 a 3763.50
1980 1.50 13.00 5.00 248.50 350.50 554.00 845.00 740.00 510.00 195.50 56.00 4.00 j 3519.00
1981 0.00 4.15 a 14.50 190.00 363.50 596.00 833.50 885.10 b 532.50 115.00 40.50 2.00 3576.75
1982 0.00 7.50 25.50 107.00 327.00 590.50 792.50 860.00 477.00 125.50 3.00 0.00 3315.50
1983 0.00 1.00 38.50 87.00 335.00 561.00 748.50 874.00 525.50 211.50 66.50 0.00 3448.50
1984 0.00 0.00 z 0.00 86.50 376.00 522.00 851.00 840.00 455.00 157.50 10.50 0.00 3298.50
1985 0.00 0.00 0.00 216.50 463.00 660.00 939.50 707.00 349.00 123.00 4.50 0.00 3462.50
1986 0.00 34.50 121.50 140.50 376.00 759.50 747.50 832.50 332.50 155.00 0.00 0.00 3499.50
1987 0.00 0.50 38.50 304.00 506.00 684.50 784.50 727.50 526.50 221.00 57.50 7.00 3857.50
1988 0.00 0.50 28.50 240.00 393.50 782.50 940.00 816.00 450.00 392.50 37.50 0.00 4081.00
1989 0.00 0.00 35.50 237.50 377.50 625.00 935.00 763.50 494.50 193.50 22.50 0.00 3684.50
1990 3.50 0.00 58.00 281.00 325.00 605.00 907.00 780.50 689.00 200.50 35.00 0.00 3884.50
1991 0.00 9.00 15.00 126.50 320.00 595.50 880.50 913.00 550.50 250.50 9.00 0.00 3669.50
1992 0.00 6.50 82.00 291.00 570.00 667.50 751.50 838.50 481.00 270.00 9.00 0.00 3967.00
1993 0.00 0.00 40.00 83.50 490.00 507.00 603.50 686.00 423.00 187.50 3.00 0.00 3023.50
1994 0.00 0.00 58.00 211.50 523.50 640.00 875.50 935.00 612.50 169.00 3.50 0.00 4028.50
1995 3.00 29.50 39.50 122.00 330.50 538.50 815.50 803.50 535.50 144.50 83.00 16.50 3461.50
1996 0.00 3.00 52.50 171.50 358.50 675.00 877.50 775.50 386.50 244.00 15.00 0.00 3559.00
1997 10.00 0.00 73.50 123.00 488.00 660.00 767.50 791.00 547.50 158.50 16.00 0.00 3635.00
1998 0.00 0.50 50.50 125.50 409.50 502.00 978.00 899.00 666.00 177.00 22.00 4.00 3834.00
1999 0.00 3.00 73.00 139.50 341.50 589.00 817.00 849.00 441.50 213.00 57.50 5.50 3529.50
2000 0.00 5.00 21.50 231.50 438.00 628.50 869.00 873.50 464.00 166.50 0.00 0.00 3697.50
2001 0.00 0.00 45.00 141.50 456.00 602.00 927.50 926.50 638.50 226.00 54.50 0.00 4017.50
2002 0.00 0.00 23.50 201.50 404.00 675.00 966.50 717.50 535.00 97.50 0.00 3.50 3624.00
2003 9.50 9.00 60.00 146.00 407.50 632.50 959.50 894.00 475.00 296.00 3.00 0.00 3892.00
2004 0.00 0.00 69.50 172.00 359.00 610.00 832.50 728.00 438.50 207.00 2.00 0.50 3419.00
2005 0.00 0.00 28.00 115.50 358.00 496.00 863.00 813.00 464.00 206.50 26.00 0.00 3370.00
2006 0.00 3.50 11.00 193.00 471.50 717.00 1029.00 806.00 453.00 145.00 39.50 0.50 3869.00
2007 0.00 2.00 66.50 193.00 517.00 768.50 1097.00 877.00 547.00 160.00 59.50 1.00 4288.50
2008 0.00 0.00 7.50 87.00 o 155.50 r 635.50 912.00 872.50 504.00 221.00 51.50 0.50 3204.50
2009 0.50 0.00 b 39.00 158.00 446.50 598.50 893.50 852.50 662.50 127.50 28.50 0.00 3807.00
2010 0.00 0.00 18.50 140.00 264.50 599.00 873.50 799.00 561.50 285.00 38.50 0.00 3579.50
2011 0.00 4.50 13.00 68.50 256.00 575.50 911.00 908.50 618.50 308.45 a 7.00 1.50 3672.45
2012 0.00 0.00 94.00 271.50 414.00 630.00 971.00 918.00 588.00 201.50 62.00 9.00 4159.00
2013 0.00 0.00 42.50 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 42.50
Period of Record Statistics
MEAN 0.88 3.99 38.03 172.87 410.78 629.03 895.60 830.39 516.62 219.57 27.85 3.35 3743.03
S.D. 2.69 7.55 32.19 76.10 85.71 78.73 74.69 66.95 83.90 68.78 23.64 8.38 295.36
SKEW 4.49 2.51 1.34 0.55 0.43 0.51 -0.53 -0.45 -0.24 0.15 0.82 3.83 0.23
MAX 19.50 35.50 177.00 376.00 642.00 845.00 1097.00 943.00 717.00 392.50 99.50 52.70 4670.20
MIN 0.00 0.00 0.00 29.50 256.00 496.00 603.50 638.50 331.00 79.00 0.00 0.00 3023.50
NO YRS 98 98 98 95 96 98 97 98 99 98 99 98 89