GRANGEVILLE, IDAHO

Monthly Total Growing Degree Days

(103771)

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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 137.00 39.50 5.00 181.50
1894 7.00 0.50 27.50 156.00 436.00 455.50 827.50 913.00 423.00 222.00 142.50 0.00 3610.50
1895 4.50 22.50 43.00 230.50 318.00 480.50 729.00 817.00 340.50 330.50 51.50 7.00 3374.50
1896 16.00 23.00 59.50 59.00 181.50 568.50 946.50 855.50 469.50 292.50 26.00 31.00 3528.50
1897 0.00 z 0.00 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 0.00
1898 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 0.00 z 0.00
1899 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 0.00 z 0.00
1900 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 0.00 z 0.00
1901 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 6.72 a 0.00 6.72
1902 1.50 41.50 20.50 96.21 a 235.27 c 0.00 z 0.00 z 0.00 z 189.50 g 68.50 q 43.50 29.50 467.97
1903 4.50 3.00 63.50 106.00 346.00 679.00 673.50 781.50 422.00 297.50 80.50 3.00 3460.00
1904 1.50 2.50 19.00 239.00 398.00 537.50 758.50 872.00 624.50 340.00 147.50 6.50 3946.50
1905 8.00 50.00 122.00 226.00 302.50 494.00 855.00 867.00 563.00 133.00 47.00 0.00 3667.50
1906 0.00 11.00 64.50 269.50 358.50 441.50 976.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2121.50
1907 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 0.00 z 0.00
1908 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 0.00 z 0.00
1909 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 0.00 z 0.00
1910 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 0.00 z 0.00
1911 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 0.00 z 0.00
1912 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 0.00 z 0.00
1913 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 0.00 z 0.00
1914 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 0.00 z 0.00
1915 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 0.00 z 0.00
1916 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 0.00 z 0.00
1917 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 0.00 z 0.00
1918 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 0.00 z 0.00
1919 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 0.00 z 0.00
1920 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 0.00 z 0.00
1921 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 0.00 z 0.00
1922 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 0.00 z 0.00
1923 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 0.00 z 0.00
1924 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 0.00 z 0.00
1925 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 0.00 z 0.00
1926 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 0.00 z 0.00
1927 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 80.50 11.48 d 91.98
1928 7.00 0.00 75.00 94.00 518.50 494.50 854.16 c 687.17 a 465.50 200.00 34.00 4.00 3433.83
1929 0.00 0.00 14.50 27.93 a 234.00 488.08 d 836.50 943.36 b 399.50 284.50 16.50 29.00 3273.87
1930 0.00 46.00 25.00 213.00 169.50 p 481.50 871.00 913.00 533.00 124.50 60.00 0.00 3267.00
1931 2.00 2.50 46.50 190.00 501.00 621.50 929.50 910.50 485.36 b 205.00 59.00 0.00 3952.86
1932 0.00 28.46 b 33.07 a 175.50 345.00 616.50 805.00 808.00 540.50 242.12 b 0.00 z 0.00 z 3594.15
1933 4.50 0.00 27.50 154.00 260.00 615.50 873.50 805.00 442.00 376.00 78.50 52.00 3688.50
1934 19.00 49.50 184.50 391.00 553.00 586.50 903.00 879.00 493.00 315.00 147.00 12.00 4532.50
1935 10.00 9.00 24.00 116.00 349.78 a 597.00 830.50 797.50 687.32 b 298.00 1.00 1.50 3721.60
1936 1.00 12.00 34.00 326.50 547.50 617.50 939.62 b 879.00 510.50 312.00 26.50 33.50 4239.62
1937 0.00 0.00 47.00 111.00 421.00 557.50 903.00 770.00 650.00 318.50 62.00 14.00 3854.00
1938 3.50 0.00 32.50 170.00 369.50 628.50 901.50 784.00 744.00 263.50 9.50 24.00 3930.50
1939 13.50 0.00 123.00 263.00 491.00 484.00 870.00 910.50 594.00 261.00 61.00 67.00 4138.00
1940 3.50 22.00 106.00 175.50 471.50 673.00 882.00 903.00 601.50 303.50 9.00 27.50 4178.00
1941 8.50 20.50 128.00 215.00 378.50 507.50 901.00 776.50 347.00 164.00 84.50 38.00 3569.00
1942 0.00 0.00 34.50 239.50 282.00 438.00 858.00 889.50 578.00 305.00 21.50 4.00 3650.00
1943 5.50 15.50 70.50 224.50 256.00 419.00 803.50 758.50 643.00 328.00 34.00 7.00 3565.00
1944 4.50 8.50 22.00 153.50 415.00 521.00 830.00 793.00 610.00 428.00 30.50 3.50 3819.50
1945 17.00 9.00 17.50 113.00 386.50 465.50 882.00 883.50 466.50 360.00 43.50 10.50 3654.50
1946 0.50 6.00 46.50 177.50 381.50 463.50 778.00 767.50 426.00 103.50 12.50 23.50 3186.50
1947 3.00 21.00 100.00 162.00 468.00 442.00 777.50 710.50 499.50 257.00 17.50 4.00 3462.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 669.50 478.97 a 220.50 8.50 0.00 a 1377.47
1949 0.00 0.00 17.00 214.00 461.56 d 539.42 d 794.00 868.00 599.00 136.50 116.00 11.00 3756.48
1950 8.50 21.00 27.00 100.00 307.50 367.00 l 788.78 d 843.00 544.50 267.00 54.50 26.50 2988.28
1951 3.50 28.00 5.00 218.00 351.00 0.00 z 867.50 876.94 e 335.00 m 195.00 11.00 0.00 2555.94
1952 0.00 0.00 18.50 240.50 350.62 b 508.39 b 793.60 a 803.50 613.00 382.00 8.50 4.13 a 3722.75
1953 62.50 8.00 45.39 c 138.00 237.50 428.50 863.00 840.32 c 667.00 312.50 86.50 3.50 3692.71
1954 18.50 29.00 23.00 138.50 387.00 404.50 764.50 652.50 470.50 170.00 82.50 0.00 3140.50
1955 0.00 0.00 4.00 58.00 211.46 c 539.50 704.00 791.00 474.00 215.50 23.50 14.00 3034.96
1956 3.50 0.50 39.00 196.00 420.00 469.50 824.50 689.00 490.00 112.50 f 25.50 9.50 3167.00
1957 0.00 29.50 28.50 130.00 435.50 566.90 a 769.00 719.20 a 578.50 182.68 c 10.50 7.00 3457.27
1958 1.00 57.50 16.00 88.00 585.00 620.00 850.43 a 915.00 498.00 257.41 c 56.50 37.09 c 3981.93
1959 21.00 0.00 18.00 153.50 225.50 574.82 b 845.27 a 726.43 a 399.50 184.00 41.00 0.50 3189.52
1960 5.00 0.00 98.00 157.00 267.50 581.79 b 975.00 656.50 575.50 256.50 14.50 0.53 b 3587.82
1961 14.50 27.00 43.50 131.00 331.00 702.50 904.00 972.50 357.00 212.50 12.00 4.50 3712.00
1962 9.50 7.26 a 25.00 225.00 254.72 a 539.00 728.50 688.72 a 513.50 229.50 55.50 10.69 b 3286.88
1963 0.00 54.00 59.93 a 124.50 413.50 520.50 703.00 806.50 691.50 352.00 52.50 0.50 3778.43
1964 7.00 0.50 40.50 71.00 301.00 501.50 798.50 650.50 401.00 253.50 29.50 10.50 3065.00
1965 0.00 27.50 20.50 174.50 278.00 519.00 795.84 b 585.50 f 352.00 355.00 67.50 22.39 d 2612.23
1966 6.00 0.50 71.50 159.00 421.50 488.50 802.00 800.00 631.50 201.50 46.00 9.30 a 3637.30
1967 10.00 15.50 30.00 45.50 342.00 604.50 895.00 437.50 p 685.50 229.00 47.00 6.50 2910.50
1968 5.50 68.50 102.50 110.00 320.00 540.50 825.00 684.00 493.85 d 172.50 21.50 8.50 3352.35
1969 2.00 0.52 a 74.50 173.00 460.50 627.00 770.50 789.50 511.50 120.56 d 50.50 10.50 3590.57
1970 10.50 12.50 12.00 40.00 348.00 650.00 835.00 647.50 g 293.04 b 162.00 24.50 8.50 2396.04
1971 42.00 24.50 20.50 107.00 411.00 466.50 810.65 a 956.02 c 336.50 195.00 27.41 a 0.50 3397.58
1972 8.50 28.50 120.00 67.50 415.00 589.00 774.50 839.67 b 374.00 233.50 25.80 e 29.50 3505.47
1973 18.50 14.50 23.00 130.50 416.50 574.00 848.62 c 827.50 491.00 121.00 h 39.00 e 14.98 a 3398.11
1974 25.50 5.00 46.50 123.00 247.00 671.00 776.50 777.38 e 538.50 221.50 35.50 9.82 a 3477.20
1975 9.50 5.00 24.50 25.00 282.00 473.00 889.50 688.00 527.50 211.50 78.50 36.00 3250.00
1976 12.00 9.00 24.00 110.00 402.50 442.50 790.00 689.50 573.00 220.50 76.50 3.00 3352.50
1977 2.50 37.00 15.50 262.00 233.00 682.00 754.50 839.00 409.00 176.50 30.00 23.50 3464.50
1978 1.50 18.50 170.50 134.50 263.50 562.00 746.50 696.00 458.50 289.50 32.00 0.00 d 3373.00
1979 0.00 12.50 59.50 134.48 a 377.50 589.00 834.50 804.00 607.50 0.00 z 6.50 43.50 3468.98
1980 6.50 38.50 14.50 270.50 343.07 a 451.00 763.50 646.50 540.00 254.50 81.00 63.00 3472.57
1981 21.00 32.50 58.50 207.50 316.50 456.00 714.50 867.00 532.50 134.50 60.50 12.00 3413.00
1982 0.50 35.00 49.08 a 106.50 294.00 624.00 741.50 792.50 455.00 176.00 14.00 12.00 3300.08
1983 26.00 49.00 87.00 123.50 382.00 515.00 678.50 894.00 369.50 223.00 86.00 3.00 3436.50
1984 31.50 5.50 54.50 89.50 296.57 a 489.00 824.50 841.00 437.50 181.50 46.50 0.00 3297.57
1985 0.00 2.50 40.50 275.50 413.00 594.00 968.00 670.50 340.00 204.00 22.50 0.00 3530.50
1986 15.50 64.30 a 151.00 113.00 412.82 a 724.00 676.00 912.00 353.00 243.50 30.00 1.50 3696.61
1987 4.50 13.00 69.00 338.00 484.50 660.50 712.00 698.50 592.50 302.50 63.00 47.00 3985.00
1988 10.00 49.00 63.00 270.00 365.00 600.50 800.00 786.50 526.50 441.00 53.00 13.00 3977.50
1989 4.00 0.00 65.50 260.00 338.00 589.00 799.50 694.50 542.00 0.00 z 100.50 21.50 3414.50
1990 11.50 11.00 91.50 278.00 320.50 571.00 877.00 840.00 0.00 z 220.50 83.50 7.00 3311.50
1991 4.50 47.50 35.50 145.50 298.50 444.50 815.00 915.00 602.50 288.00 36.00 6.00 3638.50
1992 26.50 71.00 163.00 265.50 530.00 715.00 752.50 824.50 518.50 290.00 13.00 2.00 4171.50
1993 3.62 a 0.00 a 99.00 161.00 564.50 501.00 548.00 700.00 529.00 285.00 11.11 c 17.00 3419.23
1994 18.50 10.50 119.50 231.50 463.00 549.31 a 895.50 861.00 620.50 225.78 a 0.00 9.30 a 4004.39
1995 24.50 0.00 z 64.50 132.00 405.00 509.50 780.50 701.50 587.00 134.00 92.50 23.50 3454.50
1996 7.00 30.00 57.50 204.50 279.00 578.50 885.00 805.50 447.50 249.00 22.00 17.00 3582.50
1997 13.50 20.00 100.00 127.50 503.50 551.50 741.50 870.50 593.00 209.00 44.00 4.50 3778.50
1998 11.00 13.50 94.50 179.00 391.50 538.50 972.00 915.50 683.00 184.50 36.50 9.00 4028.50
1999 9.00 10.00 79.00 120.50 307.00 512.50 778.00 881.50 522.41 a 272.50 179.48 a 6.09 c 3677.99
2000 1.50 17.61 a 65.00 311.00 414.50 379.50 m 883.00 905.50 533.00 233.00 1.50 0.00 a 3365.61
2001 2.00 2.50 90.50 164.00 508.50 589.20 e 858.00 975.50 743.50 282.00 116.00 0.00 4331.70
2002 12.00 11.00 32.50 176.50 387.00 625.00 976.50 790.50 608.50 195.00 63.00 21.00 3898.50
2003 29.00 4.00 101.00 163.50 361.50 635.50 960.50 896.00 580.00 384.50 16.50 3.00 4135.00
2004 0.00 5.50 149.50 231.50 311.50 566.50 862.50 828.50 440.00 229.50 16.50 7.50 3649.00
2005 21.00 6.50 72.50 164.00 390.00 485.50 844.50 845.50 463.00 261.00 12.00 16.50 3582.00
2006 9.00 22.00 31.50 156.50 434.00 611.50 964.00 786.00 511.00 164.00 80.00 2.50 3772.00
2007 0.50 10.00 134.00 174.00 379.00 564.50 1006.00 797.00 478.00 195.00 60.00 11.00 3809.00
2008 0.50 6.00 11.50 75.00 363.00 480.00 0.00 z 0.00 z 0.00 z 0.00 z 73.50 10.50 1020.00
2009 9.00 7.50 16.50 143.50 429.00 599.50 877.00 844.00 675.50 146.50 44.00 0.00 3792.00
2010 15.50 13.00 65.00 172.00 270.00 521.50 818.50 813.00 591.00 309.00 81.50 4.00 3674.00
2011 22.50 21.00 30.00 58.50 273.00 512.00 784.50 900.00 740.50 275.50 20.00 6.50 3644.00
2012 5.50 j 4.00 64.00 260.00 329.50 520.50 923.00 0.00 z 656.00 237.48 c 113.00 14.50 3121.98
2013 0.00 6.00 87.50 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 93.50
Period of Record Statistics
MEAN 8.98 17.04 58.52 167.42 368.37 548.13 828.88 810.86 522.78 244.24 48.32 12.62 3647.86
S.D. 10.37 17.79 41.16 73.32 88.56 74.38 81.92 84.74 103.68 71.94 36.34 14.16 302.93
SKEW 2.19 1.21 1.02 0.44 0.27 0.26 -0.26 -0.26 0.01 0.39 1.17 1.73 0.44
MAX 62.50 71.00 184.50 391.00 585.00 724.00 1006.00 975.50 744.00 441.00 179.48 67.00 4532.50
MIN 0.00 0.00 4.00 25.00 181.50 404.50 548.00 646.50 293.04 103.50 0.00 0.00 3034.96
NO YRS 92 93 93 92 91 88 90 86 88 87 94 94 74