PARMA EXPERIMENT STN, IDAHO

Monthly Total Growing Degree Days

(106844)

Base Temperature = 50 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201206
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
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 0.50 f 0.00 0.00
1923 0.00 0.00 13.00 72.00 258.50 400.50 762.50 705.00 461.00 85.50 1.00 0.00 2759.00
1924 0.00 0.00 0.00 84.50 428.00 564.64 b 737.00 617.50 360.00 110.50 17.00 0.00 b 2919.14
1925 0.00 a 0.00 14.50 114.50 351.16 b 506.90 a 810.00 596.75 a 370.00 28.50 0.00 0.00 2792.30
1926 0.00 a 0.00 12.50 185.00 267.00 592.00 778.00 666.50 211.50 133.00 0.00 q 0.00 2845.50
1927 0.00 0.00 8.50 90.50 232.50 536.00 752.50 645.00 307.00 108.00 16.00 0.00 2696.00
1928 0.00 0.00 22.22 a 83.40 e 467.50 461.50 793.50 622.50 392.50 140.50 9.00 3.00 2995.62
1929 0.00 0.00 15.50 94.00 327.50 459.50 816.16 b 871.50 342.00 132.50 0.00 31.50 3090.16
1930 0.00 5.00 28.00 219.00 267.50 481.50 850.00 827.50 421.00 89.50 1.50 0.00 a 3190.50
1931 0.00 0.00 12.00 102.50 383.50 553.50 861.50 788.00 408.50 138.50 11.00 0.00 3259.00
1932 0.00 0.00 12.00 113.00 307.00 556.50 719.00 659.00 444.00 132.50 0.00 0.00 2943.00
1933 0.00 0.00 4.00 85.00 179.50 597.50 787.00 653.50 296.50 151.50 0.00 0.00 2754.50
1934 0.00 0.00 50.50 237.50 457.50 502.76 a 811.00 727.00 322.00 107.00 8.00 0.00 3223.26
1935 0.00 0.00 12.00 73.00 251.00 490.00 697.50 640.00 418.00 145.50 0.00 0.00 2727.00
1936 0.00 0.00 0.00 197.00 376.50 545.50 773.50 722.00 328.50 140.50 0.00 0.00 3083.50
1937 0.00 0.00 5.00 70.50 322.00 436.50 804.00 635.00 396.00 110.50 1.50 0.00 2781.00
1938 0.00 0.00 7.50 101.50 266.50 532.50 742.00 638.00 476.00 97.00 0.00 0.00 2861.00
1939 0.00 0.00 27.50 147.50 412.00 418.00 760.00 709.00 364.50 92.50 0.00 9.50 2940.50
1940 0.00 10.50 15.00 77.50 358.50 596.90 a 759.50 694.50 396.50 100.50 0.50 0.00 3009.90
1941 0.00 a 0.00 z 13.00 71.50 264.00 380.00 713.00 621.50 260.50 79.50 7.50 0.00 2410.50
1942 0.00 0.00 5.50 95.50 161.50 336.00 705.00 608.50 328.50 101.00 0.50 0.00 2342.00
1943 0.00 0.00 25.50 144.00 167.00 315.50 617.00 543.00 376.50 109.50 0.00 0.00 2298.00
1944 0.00 0.00 0.00 55.50 232.00 309.00 567.50 515.00 273.00 91.00 0.00 0.00 2043.00
1945 0.00 0.00 2.00 51.50 201.00 308.50 599.00 393.00 j 251.00 153.00 12.00 1.00 1579.00
1946 0.00 0.00 30.00 129.00 273.50 458.50 757.00 681.00 278.00 37.50 0.00 0.00 2644.50
1947 0.00 1.00 29.50 100.50 422.00 358.50 774.00 675.50 353.00 156.00 0.00 0.00 2870.00
1948 1.50 0.00 0.00 63.00 240.50 562.00 635.00 516.00 f 349.20 e 99.20 a 0.00 a 0.00 1950.40
1949 0.00 0.00 1.50 159.64 b 374.50 504.00 720.00 694.00 441.50 52.38 b 8.33 c 0.00 c 2955.86
1950 0.00 c 0.00 c 13.78 d 57.00 e 160.00 f 460.18 b 692.50 708.00 407.00 172.50 31.07 b 0.00 2542.03
1951 0.00 a 0.00 0.00 112.50 b 281.00 407.00 784.50 669.50 393.50 56.32 a 0.00 0.00 c 2704.32
1952 0.00 b 0.00 e 4.13 a 157.50 b 300.50 457.50 709.00 704.00 450.00 168.50 0.00 0.00 2951.13
1953 6.50 0.00 6.00 82.00 131.00 297.50 728.50 647.00 465.00 110.57 a 11.00 0.00 2485.07
1954 0.00 a 1.00 12.00 117.50 365.50 355.50 762.50 559.00 349.00 72.50 4.50 0.00 2599.00
1955 0.00 0.00 1.00 25.50 188.00 536.00 631.00 707.50 355.00 106.00 3.50 7.50 2561.00
1956 0.00 0.00 34.00 114.00 326.00 445.50 745.50 590.00 329.50 77.00 0.00 0.00 2661.50
1957 0.00 0.00 3.00 48.50 264.50 482.00 685.50 613.50 416.50 45.00 0.00 0.00 2558.50
1958 0.00 2.50 0.50 48.00 475.00 531.50 758.00 767.00 330.50 133.00 8.50 0.00 3054.50
1959 0.00 0.00 1.50 128.50 161.50 536.50 751.50 611.50 277.00 67.68 a 0.00 0.00 2535.68
1960 0.00 0.00 28.00 106.00 210.50 584.50 864.50 558.00 403.00 76.00 8.50 0.00 2839.00
1961 0.00 10.00 21.00 83.50 304.32 a 663.00 816.00 796.18 a 241.00 76.50 0.00 0.00 3011.50
1962 0.00 0.00 12.00 174.50 234.50 501.00 667.50 608.00 380.00 50.50 5.00 0.00 2633.00
1963 0.00 2.50 24.50 44.48 a 306.00 373.50 588.48 a 612.50 434.00 168.00 0.00 0.00 2553.97
1964 0.00 0.00 4.50 0.00 z 172.00 350.00 688.00 515.50 220.50 51.50 0.00 9.50 2011.50
1965 0.00 a 0.00 0.00 130.00 215.50 0.00 z 653.50 585.00 207.50 116.00 4.50 0.00 1912.00
1966 0.00 0.00 22.00 74.00 342.50 409.50 662.88 a 659.78 a 450.50 36.00 13.00 0.00 2670.17
1967 0.00 0.00 7.50 5.50 270.50 478.00 812.50 765.50 514.50 33.00 1.50 0.00 2888.50
1968 0.00 4.50 16.50 40.00 240.00 476.50 0.00 z 514.50 300.50 37.50 0.00 0.00 1630.00
1969 0.00 0.00 7.00 99.50 407.00 514.50 708.50 658.00 375.00 12.00 0.00 0.00 2781.50
1970 0.00 0.00 0.00 16.50 268.00 585.50 758.50 737.50 216.50 57.50 0.00 0.00 2640.00
1971 0.00 0.00 4.50 67.00 343.50 415.00 742.50 840.00 233.00 103.50 0.00 0.00 2749.00
1972 0.00 1.00 26.00 76.00 325.50 522.50 673.00 704.50 258.50 138.50 0.00 0.00 2725.50
1973 0.00 0.00 4.00 54.50 316.00 481.50 739.00 652.00 328.00 82.00 6.50 0.00 2663.50
1974 1.50 0.00 5.50 51.00 209.50 549.50 682.00 641.00 394.00 47.00 2.00 0.00 2583.00
1975 0.00 0.00 1.00 12.00 202.50 417.50 837.00 541.00 362.50 86.50 0.00 0.00 2460.00
1976 0.00 0.00 0.00 40.00 310.50 368.00 710.50 493.00 339.50 62.50 0.00 0.00 a 2324.00
1977 0.00 0.00 1.50 183.50 135.50 634.50 679.00 699.50 317.00 0.00 z 0.00 a 1.50 2652.00
1978 0.00 0.00 59.00 56.50 172.50 397.00 668.00 618.00 308.50 87.00 0.00 0.00 2366.50
1979 0.00 0.00 5.50 59.50 313.00 481.00 691.00 627.00 413.00 135.00 0.00 0.00 2725.00
1980 0.00 0.00 0.00 151.00 236.50 351.50 674.50 534.50 313.50 101.00 5.00 0.00 2367.50
1981 0.00 0.00 0.00 107.50 218.00 387.50 641.00 731.50 363.50 17.50 2.00 0.00 2468.50
1982 0.00 0.00 2.50 49.50 169.00 456.00 603.00 660.50 269.00 70.00 0.00 0.00 2279.50
1983 0.00 0.00 13.50 42.00 264.00 412.00 537.00 677.50 281.00 66.50 12.50 0.00 2306.00
1984 0.00 0.00 z 2.50 55.00 189.00 359.00 0.00 z 713.50 273.00 81.50 5.50 0.00 z 1679.00
1985 0.00 0.00 0.00 149.50 304.00 477.50 798.50 522.00 158.00 17.50 0.50 0.00 2427.50
1986 0.00 6.00 30.50 51.50 289.00 635.00 578.00 741.00 229.00 41.50 0.00 0.00 2601.50
1987 0.00 0.00 20.50 213.00 401.00 525.50 625.50 556.50 390.50 97.00 10.00 0.00 2839.50
1988 0.00 0.00 13.50 137.50 278.50 588.50 753.00 633.50 302.50 256.50 8.50 0.00 2972.00
1989 0.00 0.00 2.50 132.50 236.50 548.50 740.50 590.00 327.50 75.50 0.00 0.00 2653.50
1990 0.00 0.00 27.00 191.50 214.00 471.00 728.50 674.00 538.50 66.50 0.00 0.00 2911.00
1991 0.00 0.00 5.00 58.50 163.50 361.00 719.00 723.50 391.00 126.00 0.00 0.00 2547.50
1992 0.00 0.00 12.00 154.50 417.00 570.50 597.50 659.50 299.00 86.50 0.00 0.00 2796.50
1993 0.00 0.00 4.50 28.00 385.00 360.00 474.50 514.50 350.50 116.00 0.00 0.00 2233.00
1994 0.00 0.00 33.50 124.00 330.50 502.50 803.50 770.50 477.50 72.00 0.50 0.00 3114.50
1995 0.00 0.00 7.00 49.50 246.00 421.00 691.00 575.00 450.00 26.50 0.00 8.00 2474.00
1996 0.00 0.50 14.00 82.00 207.50 493.50 773.50 660.00 301.50 160.50 0.00 z 0.00 2693.00
1997 0.00 0.00 47.00 74.00 388.00 481.50 666.50 724.50 472.50 89.00 0.00 0.00 2943.00
1998 0.00 0.00 21.50 69.50 236.50 416.50 0.00 z 774.00 553.50 83.50 0.00 z 0.00 2155.00
1999 0.00 2.00 13.00 62.00 249.50 492.50 683.00 728.50 361.50 97.00 3.00 0.00 2692.00
2000 0.00 0.00 5.00 145.00 354.00 519.00 750.50 756.00 357.00 71.50 0.00 0.00 2958.00
2001 0.00 0.00 25.00 100.50 386.00 503.50 729.00 792.00 471.00 82.00 12.50 0.00 3101.50
2002 0.00 0.00 9.00 85.50 280.50 558.50 851.50 613.50 443.50 79.00 5.00 2.50 2928.50
2003 0.00 2.50 54.50 90.50 311.00 601.50 894.50 766.00 429.50 238.00 0.00 0.00 3388.00
2004 0.00 0.00 51.50 110.00 262.50 521.50 790.00 728.00 365.00 146.00 0.00 0.00 2974.50
2005 0.00 0.00 4.00 61.50 267.50 389.00 752.00 736.50 326.50 89.00 0.50 0.00 2626.50
2006 0.00 z 2.00 11.00 105.00 338.00 582.50 902.00 666.00 391.00 91.00 27.50 0.00 3116.00
2007 0.00 0.00 36.50 100.00 387.50 558.50 905.50 681.00 403.00 56.50 3.50 0.00 3132.00
2008 0.00 0.00 0.00 42.00 331.00 483.00 774.50 717.50 367.00 109.50 5.50 0.00 2830.00
2009 0.00 0.00 8.50 77.50 343.00 511.50 775.00 705.00 517.00 36.50 0.00 0.00 2974.00
2010 0.00 0.00 8.00 71.00 152.00 448.50 702.00 652.00 418.00 185.00 9.00 0.00 2645.50
2011 0.00 a 0.00 3.00 16.00 164.50 396.00 690.00 782.00 515.50 128.50 0.00 0.00 2695.50
2012 0.00 0.00 17.50 144.00 258.00 196.50 o 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 419.50
Period of Record Statistics
MEAN 0.11 0.58 13.29 94.54 284.27 475.68 727.88 665.75 361.84 96.01 3.54 0.83 2747.17
S.D. 0.72 1.83 13.70 49.45 82.38 84.77 82.00 81.53 81.97 45.83 5.93 3.77 267.63
SKEW 8.13 4.01 1.41 0.71 0.24 -0.14 -0.33 0.00 0.00 0.76 2.37 6.57 -0.13
MAX 6.50 10.50 59.00 237.50 475.00 663.00 905.50 871.50 553.50 256.50 31.07 31.50 3388.00
MIN 0.00 0.00 0.00 5.50 131.00 297.50 474.50 493.00 158.00 12.00 0.00 0.00 2043.00
NO YRS 89 88 90 89 89 88 86 87 89 88 86 89 76