DRIGGS, IDAHO

Monthly Total Growing Degree Days

(102676)

Base Temperature = 40 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
1930 0.00 b 0.00 z 0.00 z 0.00 z 0.00 z 196.00 o 750.95 b 670.12 a 368.04 b 71.82 a 12.50 0.00 1873.42
1931 0.00 0.00 2.50 71.50 240.50 642.50 816.00 697.50 386.00 126.00 48.50 0.00 3031.00
1932 0.00 a 0.00 2.50 39.50 251.50 424.50 672.00 607.50 349.66 a 101.27 a 28.50 0.00 b 2476.92
1933 3.00 0.00 a 2.50 71.00 119.00 604.50 793.50 607.50 391.00 231.00 0.00 16.00 2839.00
1934 0.00 0.50 43.00 226.00 430.50 415.50 796.50 733.00 285.00 208.50 69.50 0.00 3208.00
1935 0.00 0.00 1.00 45.00 141.00 442.50 713.50 676.50 466.00 176.00 0.00 0.00 2661.50
1936 0.00 0.00 0.00 109.50 340.00 533.50 763.50 657.00 332.50 129.50 0.00 0.00 2865.50
1937 0.00 0.00 0.00 23.50 277.00 366.00 743.50 675.50 447.50 164.50 5.50 0.50 2703.50
1938 0.00 0.00 0.00 34.00 98.00 303.00 224.00 u 593.81 b 515.00 166.00 0.00 0.00 1709.81
1939 0.00 0.00 3.50 119.00 298.50 333.50 682.00 615.50 390.50 112.50 15.00 6.00 2576.00
1940 0.00 0.00 12.50 75.00 313.50 507.50 685.50 710.00 415.00 154.00 0.00 0.00 2873.00
1941 0.00 0.00 0.00 z 38.00 279.00 396.50 653.50 645.00 228.50 77.50 0.00 0.00 2318.00
1942 0.00 0.00 0.00 76.00 120.50 305.50 686.00 601.40 a 340.50 136.00 0.00 z 0.00 z 2265.90
1943 0.00 z 0.00 z 0.00 z 0.00 z 122.50 y 190.00 l 845.00 697.00 499.50 223.50 6.72 a 0.00 2271.72
1944 0.00 0.00 0.00 18.50 279.00 365.00 674.50 661.00 412.00 228.00 10.00 0.00 2648.00
1945 0.00 0.00 8.00 49.00 258.00 293.50 685.00 663.00 303.50 241.50 18.00 0.00 2519.50
1946 0.00 c 0.00 22.50 190.50 209.00 491.00 783.00 728.00 387.00 64.50 0.54 b 4.00 2880.04
1947 0.00 0.00 7.00 60.00 338.50 347.50 750.00 699.00 425.50 217.00 11.50 0.00 2856.00
1948 1.00 4.50 5.00 84.50 309.50 517.00 695.00 710.50 482.00 197.00 5.50 0.00 3011.50
1949 0.00 z 0.00 0.50 135.50 313.50 458.00 713.50 745.03 a 450.50 58.50 47.00 0.00 2922.03
1950 2.58 a 6.22 a 5.00 60.50 163.00 380.50 618.00 615.50 403.00 270.00 15.50 0.00 2539.81
1951 0.00 6.50 0.50 77.00 302.00 326.50 751.00 636.50 375.00 124.50 1.50 0.00 2601.00
1952 0.00 0.00 4.00 113.00 322.00 519.00 688.50 750.00 510.52 a 220.44 d 5.00 0.00 3132.46
1953 0.00 z 0.00 r 11.50 67.00 142.00 465.50 813.00 746.50 525.00 237.00 54.00 0.00 3061.50
1954 0.00 0.00 0.00 110.50 358.50 420.50 848.50 663.00 466.50 180.00 0.00 z 0.00 3047.50
1955 0.00 0.00 0.00 10.50 267.00 432.00 746.50 780.00 425.50 213.00 6.50 0.00 2881.00
1956 0.00 0.00 14.47 a 84.50 356.00 560.00 786.00 656.00 503.00 226.50 0.00 0.00 3186.47
1957 0.00 0.00 0.00 36.50 0.00 z 440.00 f 777.50 744.50 499.00 167.50 0.00 0.00 2225.00
1958 0.00 2.50 0.00 36.00 455.50 548.00 657.50 795.50 404.50 197.00 g 5.00 0.00 2904.50
1959 0.00 0.00 a 1.00 0.00 z 132.50 569.00 754.50 725.00 371.00 128.50 3.50 0.00 2685.00
1960 0.00 0.00 3.62 a 93.00 245.00 523.00 852.00 679.50 520.86 a 162.50 0.00 0.00 3079.48
1961 0.00 1.00 13.50 0.00 z 319.00 659.00 840.00 778.50 236.00 121.00 0.50 0.00 2968.50
1962 0.00 1.50 0.00 124.00 237.00 533.00 723.00 641.50 443.50 224.50 14.50 0.00 2942.50
1963 0.00 24.00 17.00 35.50 302.00 418.50 582.00 g 497.00 i 527.00 302.00 15.00 c 0.00 1641.00
1964 0.00 0.00 0.00 47.50 278.50 398.00 810.50 602.00 304.00 198.00 10.34 a 1.00 2649.84
1965 0.00 0.00 2.50 80.00 193.00 420.60 e 719.50 628.50 241.50 230.95 a 41.50 1.00 2559.05
1966 0.00 0.00 9.54 e 23.00 345.00 437.50 830.50 660.00 526.50 106.50 0.00 2.50 2941.04
1967 0.00 0.00 5.00 21.00 247.00 419.50 751.00 766.00 485.00 150.00 42.50 0.00 2887.00
1968 0.00 0.00 10.00 38.50 189.50 454.50 759.50 553.00 373.00 132.50 0.00 0.00 a 2510.50
1969 0.00 0.00 3.50 73.00 358.00 392.50 716.50 745.00 526.00 59.00 24.50 0.00 2898.00
1970 0.00 1.00 0.00 8.00 266.00 515.50 723.50 758.50 296.00 71.50 0.52 a 0.00 2640.52
1971 0.00 0.00 0.00 53.50 298.50 492.00 710.50 789.00 282.00 132.00 7.00 0.00 2764.50
1972 0.00 a 0.00 60.00 27.00 267.93 c 518.50 668.50 707.50 309.50 205.00 1.50 0.00 2765.43
1973 0.00 0.00 0.00 16.00 271.00 474.50 731.00 690.27 a 352.50 184.50 24.50 0.00 2744.27
1974 10.00 0.00 1.00 100.50 244.50 606.50 798.50 620.00 412.00 156.50 3.50 0.00 2953.00
1975 0.00 0.00 2.50 3.00 169.00 448.00 823.00 609.00 376.00 123.00 19.50 3.00 2576.00
1976 0.00 0.00 1.50 28.00 329.00 458.50 783.00 608.50 442.00 97.50 33.00 0.00 2781.00
1977 0.00 0.00 1.00 178.00 203.00 635.00 754.50 643.50 453.00 183.00 8.50 0.00 3059.50
1978 0.00 0.00 38.00 78.50 222.50 483.50 712.00 605.50 391.00 183.50 20.00 0.00 2734.50
1979 0.00 1.50 0.00 97.50 321.00 519.00 764.50 712.00 532.50 239.50 0.00 0.00 3187.50
1980 0.00 0.50 0.00 172.50 275.38 a 484.50 739.00 625.50 461.00 0.00 z 0.00 z 0.00 z 2758.38
1981 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 94.00 13.50 g 6.50 100.50
1982 0.00 5.00 0.50 32.00 187.00 454.00 677.00 768.50 386.50 75.50 4.50 0.00 2590.50
1983 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
1984 0.00 0.00 0.00 b 32.07 a 272.80 a 393.00 729.05 c 718.50 330.52 a 123.00 2.59 a 0.00 b 2601.53
1985 0.00 a 0.00 0.00 a 116.38 a 302.77 a 530.69 a 677.00 629.50 294.50 93.50 19.44 c 0.00 2663.78
1986 0.00 10.50 54.50 73.50 263.00 610.50 628.00 708.50 273.00 125.00 0.00 0.00 2746.50
1987 0.00 0.00 5.50 219.50 376.28 b 532.50 667.50 606.00 475.00 175.50 22.00 0.00 3079.78
1988 0.00 0.00 a 6.00 129.00 308.00 689.50 801.50 751.00 424.14 a 294.00 13.50 0.00 3416.64
1989 0.00 6.50 23.00 130.00 270.50 491.00 815.50 657.00 425.50 150.00 12.00 0.00 2981.00
1990 0.50 0.00 13.50 152.00 218.00 486.00 745.00 692.00 568.00 143.00 23.50 0.00 3041.50
1991 0.00 0.50 0.00 27.00 i 206.50 474.00 732.00 745.00 413.50 178.00 0.00 0.00 2749.50
1992 0.00 0.00 14.50 191.50 414.00 505.50 555.00 669.08 a 362.00 194.50 0.00 0.00 2906.08
1993 0.00 0.00 8.00 11.00 304.00 345.00 447.00 526.00 327.50 119.00 0.52 a 0.00 2088.02
1994 0.00 0.00 10.50 125.50 372.50 516.50 720.00 739.50 497.00 71.00 2.07 a 0.00 3054.57
1995 0.00 0.50 6.00 59.00 190.50 417.00 647.00 694.00 421.00 101.00 30.50 6.50 2573.00
1996 0.00 2.50 4.50 67.50 217.00 550.00 742.00 696.50 321.50 201.50 14.00 0.50 2817.50
1997 1.50 0.00 14.50 60.50 310.00 514.00 621.50 678.00 449.00 118.50 1.00 0.00 2768.50
1998 0.00 0.00 1.50 58.50 246.50 316.00 803.50 722.00 529.00 0.00 z 2.00 1.00 2680.00
1999 0.00 e 0.00 b 2.98 e 56.11 c 162.15 e 314.50 j 482.50 j 692.91 d 303.60 e 130.00 h 89.42 d 0.50 t 1307.18
2000 0.00 c 0.00 a 1.50 f 139.66 a 312.07 a 375.50 h 620.00 f 768.59 b 297.00 i 85.50 l 0.00 f 0.00 1220.31
2001 0.00 0.00 d 9.76 d 120.00 b 341.00 c 484.80 e 766.22 a 602.50 f 395.00 g 98.50 g 41.11 c 0.00 1762.89
2002 0.00 0.00 2.50 94.50 261.00 492.00 803.00 594.50 405.50 42.00 0.00 0.00 2695.00
2003 1.50 2.50 19.00 99.00 e 319.00 474.50 836.00 783.00 283.50 g 157.00 h 0.00 m 0.00 2534.50
2004 0.00 2.50 f 62.50 99.23 d 244.00 458.00 685.50 592.00 387.00 143.00 1.50 1.50 2674.23
2005 1.50 0.00 0.00 73.97 a 240.00 395.00 736.00 652.50 367.00 135.00 20.50 0.00 2621.47
2006 0.00 1.00 0.00 93.50 304.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 398.50
Period of Record Statistics
MEAN 0.30 1.11 8.10 79.91 268.60 469.41 734.13 680.75 405.77 157.23 13.58 0.69 2807.72
S.D. 1.28 3.37 13.61 51.44 74.02 88.06 71.99 61.94 82.12 60.01 18.02 2.31 236.17
SKEW 6.34 5.00 2.65 0.86 -0.12 0.14 -0.97 -0.10 -0.15 0.21 1.97 4.79 -0.05
MAX 10.00 24.00 62.50 226.00 455.50 689.50 852.00 795.50 568.00 302.00 89.42 16.00 3416.64
MIN 0.00 0.00 0.00 3.00 98.00 293.50 447.00 526.00 228.50 42.00 0.00 0.00 2088.02
NO YRS 72 71 71 70 72 69 70 72 71 68 69 72 53