RIGGINS, IDAHO

Monthly Total Growing Degree Days

(107706)

Base Temperature = 50 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201203
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
1896 0.00 z 0.00 z 41.00 29.00 142.50 429.50 744.50 644.50 307.00 123.00 18.50 0.00 2479.50
1897 0.00 0.00 3.00 140.50 452.50 434.50 563.50 720.00 308.50 102.50 26.50 0.00 2751.50
1898 0.00 10.00 1.00 133.00 210.00 421.00 632.00 710.00 327.00 15.50 3.50 0.00 2463.00
1899 0.00 0.00 1.50 26.90 a 112.50 322.50 653.50 400.00 373.00 49.00 2.00 0.00 1940.90
1900 0.00 0.00 a 31.50 92.50 252.50 546.50 641.50 461.50 288.50 68.00 2.00 0.00 2384.50
1901 0.00 0.00 5.00 48.50 322.50 237.00 652.00 668.50 182.50 171.50 7.50 0.00 2295.00
1902 1.50 3.00 0.00 36.00 192.00 316.00 508.50 555.00 348.00 129.00 11.50 2.00 2102.50
1903 0.00 0.00 11.00 60.00 225.50 551.00 551.00 650.00 268.00 64.50 6.00 0.00 2387.00
1904 0.00 0.00 t 0.00 o 101.50 278.50 393.50 657.50 717.00 417.00 163.00 41.00 0.00 2769.00
1905 0.00 6.50 13.50 90.50 156.00 0.00 z 0.00 z 0.00 z 412.00 119.50 0.00 0.00 798.00
1906 0.00 0.00 10.85 a 147.50 298.50 384.50 849.00 678.50 448.00 155.00 0.50 u 0.00 i 2971.85
1907 0.00 2.15 b 6.20 a 64.50 245.50 302.14 b 654.00 577.50 324.50 170.50 0.00 z 0.00 2347.00
1908 0.00 a 2.00 37.50 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 39.50
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 a 17.00 69.11 b 289.91 d 325.34 a 499.50 g 136.50 x 142.50 o 93.00 10.34 a 0.00 804.70
1915 0.00 i 0.00 21.00 135.50 138.00 275.00 0.00 z 353.50 q 164.50 j 133.00 3.50 0.00 a 706.00
1916 0.00 z 0.00 z 11.50 f 10.00 g 32.66 c 162.00 h 181.50 s 0.00 z 98.50 h 0.00 z 7.50 t 0.00 a 32.66
1917 0.00 a 0.00 m 0.00 c 5.50 132.00 282.50 0.00 z 0.00 z 137.50 u 93.50 h 17.68 b 16.02 a 453.70
1918 2.58 a 0.00 0.00 z 43.50 s 103.50 l 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2.58
1919 4.50 0.00 f 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 4.50
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 0.00 z 0.00 z 0.00
1928 0.00 z 0.00 z 0.00 z 42.50 u 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
1929 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
1930 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
1931 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
1932 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
1933 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
1934 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
1935 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
1936 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
1937 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 74.00 u 10.80 e 0.50 11.30
1938 0.00 j 0.00 b 5.88 b 145.18 b 216.00 j 579.50 775.00 680.00 625.00 58.50 z 0.00 o 0.00 x 2810.56
1939 0.00 z 0.00 z 86.50 41.00 s 446.00 457.50 816.50 805.50 506.00 162.00 1.00 19.50 3300.50
1940 0.00 4.00 35.50 166.50 474.00 647.40 e 861.50 858.50 554.50 206.00 0.00 1.00 3808.90
1941 0.00 d 5.50 83.00 189.50 385.00 505.00 821.00 679.00 279.00 111.50 17.50 3.50 3079.50
1942 0.00 0.00 26.02 c 230.00 280.00 417.00 696.50 f 881.00 0.00 z 223.89 d 3.50 0.00 2061.41
1943 0.00 0.50 39.00 213.50 223.00 344.48 a 771.00 699.50 557.50 238.00 3.50 0.00 3089.98
1944 0.00 0.00 6.00 109.50 362.70 a 487.00 803.00 738.00 562.50 367.00 11.50 0.00 3447.20
1945 0.00 a 0.00 b 5.50 77.07 a 261.00 410.00 850.50 834.50 443.00 263.50 c 20.50 0.00 3165.57
1946 0.00 1.00 34.21 b 172.00 342.00 320.00 i 835.45 a 806.00 322.50 g 40.19 d 0.00 e 1.00 2231.84
1947 0.00 2.00 64.50 132.50 439.68 a 396.00 849.00 776.50 487.76 a 186.53 b 4.50 0.00 3338.98
1948 0.50 4.83 b 10.50 102.50 264.50 560.50 661.00 696.00 509.00 142.00 f 6.96 b 0.00 2816.30
1949 0.00 0.00 25.50 305.00 365.50 503.00 779.50 828.00 618.00 66.00 g 10.00 0.00 b 3434.50
1950 0.00 6.50 5.00 57.78 c 239.00 471.00 773.50 772.50 395.00 g 195.00 22.50 b 0.00 2542.78
1951 0.00 6.22 a 2.50 163.50 293.50 427.00 881.00 802.00 553.00 135.88 a 1.00 0.00 3265.61
1952 0.00 0.00 0.00 c 208.50 209.00 h 459.50 785.50 818.50 616.55 a 333.50 0.00 k 0.00 b 3222.05
1953 16.03 b 3.77 b 40.30 a 142.00 195.62 b 370.56 c 854.50 774.50 620.50 167.00 j 10.00 n 0.00 z 3017.78
1954 1.03 a 9.50 13.95 a 126.72 a 395.52 b 403.20 e 785.50 662.00 460.86 a 118.00 h 0.00 z 0.00 z 2858.29
1955 0.00 d 0.00 e 0.00 e 21.60 e 215.89 c 519.00 667.00 804.50 502.76 a 237.67 d 4.50 f 2.30 d 2970.71
1956 0.00 c 0.00 41.69 b 0.00 z 328.50 454.29 b 784.00 576.00 g 379.50 f 153.93 b 3.50 0.00 1765.91
1957 0.00 3.00 2.00 47.14 b 337.50 547.50 776.00 710.50 564.23 d 167.92 a 4.66 a 0.00 a 3160.45
1958 0.00 b 17.11 a 2.00 k 30.00 547.00 0.00 z 780.00 872.50 466.73 d 254.72 a 17.78 c 0.00 2985.84
1959 0.00 d 0.00 f 10.33 a 0.00 z 172.50 587.00 825.50 723.50 388.00 147.52 b 6.00 m 0.00 2854.35
1960 0.00 z 0.00 e 45.00 x 114.00 e 246.45 a 600.00 960.00 677.87 a 553.00 221.50 6.50 0.00 a 3379.32
1961 0.00 8.00 37.50 112.50 311.50 702.00 916.00 1003.50 381.72 a 178.00 6.50 0.00 3657.22
1962 0.00 b 0.00 l 0.00 k 162.50 i 220.50 535.00 776.50 777.00 575.00 157.00 25.50 0.00 3066.50
1963 0.00 18.00 59.79 c 90.50 g 372.50 529.14 a 732.00 814.00 685.50 346.00 39.00 0.00 3595.92
1964 0.00 0.00 30.50 71.00 270.50 477.50 817.50 703.00 433.50 231.50 27.50 0.00 3062.50
1965 0.00 9.50 13.50 158.50 275.00 486.50 806.00 755.00 330.50 319.50 45.00 3.00 3202.00
1966 0.00 0.00 63.00 177.50 502.00 482.00 833.00 840.50 628.50 165.50 f 22.50 0.00 3549.00
1967 0.00 2.50 17.05 a 21.00 326.00 522.00 894.00 969.00 734.50 170.50 19.50 0.00 b 3676.05
1968 0.00 8.50 44.50 96.50 336.35 a 576.21 a 802.50 660.50 415.56 c 137.00 2.50 2.07 a 3082.18
1969 0.00 c 0.00 30.48 a 154.50 388.57 b 572.50 797.00 873.00 510.50 58.00 7.00 0.00 3391.55
1970 0.00 6.00 3.50 30.00 325.50 623.50 856.00 869.50 299.00 105.50 0.00 0.00 3118.50
1971 0.00 0.00 13.00 93.50 320.50 403.00 791.00 973.50 369.00 191.50 6.50 0.00 3161.50
1972 0.00 11.50 114.00 50.50 394.50 572.50 796.50 854.50 364.50 169.00 2.00 0.00 3329.50
1973 0.00 9.00 16.50 108.00 403.00 578.00 874.00 779.50 454.00 159.50 11.50 0.50 3393.50
1974 0.50 0.00 25.50 129.50 227.50 661.50 741.00 721.00 509.50 159.50 9.00 0.00 3184.50
1975 0.00 0.00 0.00 2.50 199.95 a 400.50 842.50 371.50 n 314.50 g 96.00 9.00 0.00 1550.45
1976 0.00 a 0.00 0.00 a 69.83 a 388.50 403.00 785.00 644.00 538.50 160.00 22.00 0.00 3010.83
1977 0.00 7.00 6.50 265.50 239.50 665.00 757.00 823.00 414.50 108.00 1.50 0.00 3287.50
1978 0.00 0.00 128.50 94.00 219.00 514.50 712.00 623.00 376.00 178.00 3.50 0.00 2848.50
1979 0.00 0.00 11.50 98.00 340.00 554.50 487.50 m 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1004.00
1980 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 5.50 h 1.19 e 1.19
1981 0.00 a 7.26 a 30.50 166.50 262.50 432.00 718.17 a 886.60 a 534.00 132.55 b 25.18 b 2.21 c 3197.47
1982 0.00 5.70 a 16.10 e 107.78 c 244.68 c 580.18 b 0.00 z 811.00 490.80 e 89.50 9.00 m 0.00 l 2345.73
1983 0.00 14.00 36.50 107.00 284.00 o 0.00 z 457.50 l 875.50 378.89 c 108.50 q 37.50 0.00 1449.39
1984 0.00 0.00 b 8.02 b 64.00 276.00 404.44 c 624.00 g 0.00 z 218.00 h 0.00 z 0.00 z 0.00 b 752.46
1985 0.00 0.00 16.00 274.50 440.00 624.00 1006.00 682.50 296.00 146.00 18.00 0.00 3503.00
1986 0.00 15.00 97.50 111.50 363.00 730.50 668.00 904.00 296.00 158.00 4.00 0.00 3347.50
1987 0.00 0.00 26.00 293.00 443.00 607.50 674.50 659.00 529.00 184.00 14.50 4.50 3435.00
1988 0.00 4.00 20.00 200.00 335.12 b 556.50 765.50 756.00 451.00 352.50 24.00 0.00 3464.62
1989 0.00 0.00 17.50 206.00 273.00 527.00 811.50 640.00 0.00 z 142.37 d 1.00 0.00 2618.37
1990 2.50 5.50 39.50 281.50 258.85 a 518.00 875.50 827.50 387.50 j 150.00 34.00 0.00 2992.85
1991 0.00 4.50 19.50 109.50 0.00 z 412.50 756.00 907.50 610.00 251.50 1.00 0.00 3072.00
1992 0.00 12.00 89.00 205.00 453.50 653.50 536.50 755.00 417.50 245.00 1.00 0.00 3368.00
1993 0.00 0.00 33.50 62.50 428.00 414.00 455.50 592.50 421.00 183.50 1.50 0.00 2592.00
1994 0.00 0.50 53.50 156.00 323.00 440.50 813.00 789.00 342.50 i 109.00 3.00 0.00 2687.50
1995 0.00 9.00 9.50 73.00 244.00 396.50 653.50 594.50 524.50 60.00 4.50 0.00 2569.00
1996 0.00 2.07 a 20.00 104.00 172.00 450.00 758.00 733.50 332.50 197.00 0.00 0.00 2769.07
1997 0.00 0.00 45.50 61.00 348.50 440.50 618.00 750.00 502.50 102.00 3.50 0.00 2871.50
1998 0.00 0.50 41.33 a 91.50 253.00 393.50 828.50 763.50 565.50 79.50 5.00 0.00 3021.83
1999 0.00 0.00 33.50 57.00 176.00 353.50 569.37 a 708.00 379.66 a 156.00 66.00 0.50 2499.52
2000 0.00 3.11 a 29.85 d 245.89 b 338.23 c 526.11 c 794.00 812.50 428.28 a 67.00 j 0.00 0.00 a 3177.97
2001 0.00 0.00 50.00 101.90 a 411.78 a 477.50 790.50 873.50 665.50 172.50 46.50 0.00 a 3589.68
2002 1.50 3.50 10.00 109.50 299.50 550.00 901.50 718.50 551.00 121.50 26.00 5.00 3297.50
2003 0.00 3.00 50.63 a 116.50 292.50 612.50 942.00 882.50 552.50 324.47 a 0.52 a 0.00 3777.12
2004 0.00 0.00 b 115.45 b 190.00 c 217.00 f 561.00 834.00 798.25 c 393.10 a 171.10 e 0.00 2.00 3064.90
2005 0.00 0.00 a 40.50 88.00 298.00 411.96 b 827.59 c 781.00 402.50 159.50 4.50 0.00 3013.55
2006 0.00 5.00 11.50 101.00 384.00 565.00 920.50 736.50 439.00 115.50 37.00 1.50 3316.50
2007 0.00 2.50 83.00 125.50 353.00 574.00 970.00 704.00 449.00 118.50 3.50 0.00 3383.00
2008 0.00 0.00 2.00 57.00 286.00 445.50 800.00 781.50 472.50 171.50 17.50 0.00 3033.50
2009 0.00 0.00 2.50 i 109.00 345.50 495.00 768.00 744.50 589.00 78.50 3.00 f 0.00 3129.50
2010 0.00 a 0.00 11.50 110.00 187.00 395.50 693.50 730.50 358.50 h 107.50 o 5.50 n 0.00 k 2128.00
2011 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 166.50 u 509.50 h 0.00 z 352.50 m 94.00 w 0.00 z 0.00 z 0.00
2012 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
Period of Record Statistics
MEAN 0.36 3.19 29.04 118.94 299.36 484.04 770.28 754.00 459.77 163.99 12.47 0.82 3086.16
S.D. 1.85 4.41 28.84 68.51 96.46 103.63 107.90 106.84 113.93 74.21 13.70 2.87 431.02
SKEW 7.50 1.50 1.53 0.76 0.02 -0.01 -0.60 -0.43 0.04 0.78 1.52 5.26 -0.75
MAX 16.03 18.00 128.50 305.00 547.00 730.50 1006.00 1003.50 734.50 367.00 66.00 19.50 3808.90
MIN 0.00 0.00 0.00 2.50 32.66 237.00 455.50 400.00 182.50 15.50 0.00 0.00 1940.90
NO YRS 84 83 83 82 83 83 78 79 73 75 75 83 48