date! ,

Monthly Total Growing Degree Days

(a vali)

Base Temperature = 50 F

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 201210
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
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 0.00 z 0.00 z 0.00 z 0.00
1938 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
1939 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 512.00 143.00 5.50 0.00 660.50
1940 0.00 0.00 0.00 39.00 287.50 642.00 816.00 653.50 460.00 200.50 12.00 0.00 3110.50
1941 0.00 0.00 0.00 199.50 483.00 627.00 795.00 756.00 514.00 182.00 23.00 1.00 3580.50
1942 0.00 0.00 9.50 221.00 301.50 591.00 746.00 702.50 385.50 187.50 19.50 0.00 n 3164.00
1943 0.00 f 0.00 25.50 57.50 260.50 692.00 817.00 734.50 296.50 128.50 0.00 0.00 3012.00
1944 0.00 z 0.00 0.00 23.00 456.73 a 674.00 704.50 735.00 449.50 136.73 c 33.50 i 0.00 c 3179.47
1945 0.00 a 0.00 75.95 a 80.00 206.00 426.00 682.00 b 694.00 398.00 99.50 3.50 0.00 e 2664.95
1946 0.00 0.00 35.00 166.00 255.00 566.50 739.00 593.50 370.86 a 216.50 0.00 a 0.00 2942.36
1947 0.00 0.00 b 0.00 a 44.50 198.00 480.54 b 711.50 900.50 508.50 338.50 5.50 0.00 3187.54
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 556.50 783.00 739.00 547.50 83.50 17.50 0.00 2727.00
1949 0.00 0.00 0.00 93.00 399.00 682.50 834.00 742.50 281.50 220.00 6.50 0.00 3259.00
1950 0.00 0.00 0.00 9.00 289.00 533.00 612.50 552.50 390.00 221.00 12.50 0.00 2619.50
1951 0.00 0.00 0.00 a 47.50 384.50 457.50 679.93 a 560.50 298.50 131.50 1.50 0.50 2561.93
1952 0.00 0.00 0.00 128.50 267.00 616.50 758.50 609.00 406.00 38.50 20.00 0.00 2844.00
1953 0.00 0.00 9.50 22.50 314.00 641.50 711.50 692.50 384.00 243.50 38.50 0.00 3057.50
1954 0.00 0.00 0.00 132.50 206.50 666.50 767.00 642.50 423.50 103.00 20.50 0.00 2962.00
1955 0.00 0.00 0.00 0.00 z 411.00 537.00 912.50 813.50 442.50 159.50 0.00 0.00 3276.00
1956 0.00 0.00 0.00 12.00 324.50 682.50 646.50 677.00 319.50 253.50 38.50 0.00 2954.00
1957 0.00 0.00 a 0.00 168.50 261.95 a 578.50 832.50 675.50 350.00 93.50 1.50 0.00 2961.95
1958 0.00 0.00 0.00 85.00 363.73 a 453.00 667.50 705.00 430.50 197.00 21.50 0.00 2923.23
1959 0.00 0.00 0.00 70.00 440.00 610.50 688.00 775.50 421.50 36.00 1.00 0.00 3042.50
1960 0.00 0.00 0.00 129.00 301.50 478.00 686.00 714.50 462.00 135.50 2.50 0.00 2909.00
1961 0.00 0.00 5.00 21.50 263.00 596.00 707.00 727.50 401.00 183.50 9.00 0.00 2913.50
1962 0.00 0.00 5.00 104.50 474.50 567.00 632.50 655.00 325.50 225.00 0.00 5.50 2994.50
1963 0.00 0.00 27.50 102.00 280.50 660.50 756.50 624.50 412.00 375.50 7.50 0.00 3246.50
1964 0.00 0.00 0.00 88.00 470.50 599.50 793.50 595.50 366.50 89.50 69.50 0.00 3072.50
1965 0.00 0.00 0.00 26.50 419.50 542.50 679.00 602.50 271.00 122.00 18.50 0.00 2681.50
1966 0.00 0.00 9.50 21.00 231.50 584.50 759.00 597.50 350.50 120.50 3.50 0.00 2677.50
1967 0.00 0.00 24.50 65.00 209.00 557.00 617.00 522.50 337.00 110.50 1.00 0.00 2443.50
1968 0.00 0.00 45.00 103.50 192.00 530.00 667.50 672.50 352.00 162.50 8.00 0.00 2733.00
1969 0.00 0.00 0.00 57.00 313.00 337.00 677.50 668.00 360.00 106.50 0.00 0.00 2519.00
1970 0.00 0.00 0.00 114.50 337.00 593.00 733.50 655.00 346.50 135.00 0.00 0.00 2914.50
1971 0.00 0.00 6.00 76.00 211.50 694.50 583.50 583.50 438.00 236.00 9.00 0.00 2838.00
1972 0.00 0.00 0.00 35.00 364.00 464.00 614.00 620.50 359.00 67.00 0.00 0.00 2523.50
1973 0.00 0.00 5.50 47.50 187.00 598.50 727.00 706.00 367.00 238.00 0.50 0.00 2877.00
1974 0.00 0.00 1.50 109.00 210.00 461.50 788.50 591.50 253.00 118.00 8.50 0.00 2541.50
1975 0.00 0.00 0.00 18.00 372.00 551.50 725.50 688.50 276.00 192.50 47.50 0.00 2871.50
1976 0.00 0.00 11.50 99.00 253.50 595.50 713.00 604.00 312.00 96.50 0.00 0.00 2685.00
1977 0.00 0.00 18.50 234.00 513.50 504.00 777.50 529.00 361.50 45.00 14.00 0.00 2997.00
1978 0.00 0.00 6.00 28.50 327.50 547.50 661.00 655.00 488.50 68.00 24.00 0.00 2806.00
1979 0.00 0.00 0.00 39.00 268.00 550.00 677.00 597.00 444.00 89.50 2.00 0.00 2666.50
1980 0.00 0.00 0.00 121.50 363.50 563.50 775.00 670.00 401.25 b 70.00 6.00 0.00 2970.75
1981 0.00 4.50 19.50 106.50 253.00 562.00 694.00 643.50 332.07 a 76.50 3.50 0.00 2695.07
1982 0.00 0.00 4.00 43.00 378.50 405.50 708.00 647.00 359.50 132.00 7.00 8.27 a 2692.77
1983 0.00 0.00 13.50 47.00 161.50 573.50 840.00 834.00 430.00 115.00 18.50 0.00 3033.00
1984 0.00 0.00 0.00 42.00 230.50 617.50 658.00 729.50 360.00 170.00 0.50 0.00 2808.00
1985 0.00 0.00 1.50 228.00 438.00 503.00 739.50 607.00 427.00 111.50 0.00 0.00 3055.50
1986 0.00 0.00 55.50 134.00 358.50 594.50 783.50 551.00 397.50 113.00 0.00 0.00 2987.50
1987 0.00 0.00 17.50 177.93 a 436.00 696.00 820.00 633.00 393.50 63.50 26.00 0.00 3263.43
1988 0.00 0.00 0.00 62.00 448.00 681.00 800.50 811.50 428.00 63.50 0.00 0.00 3294.50
1989 0.00 0.00 24.00 69.00 299.50 528.50 782.00 663.00 333.00 164.00 0.00 0.00 2863.00
1990 0.00 0.00 20.00 140.00 212.50 585.00 706.50 656.50 457.00 111.50 46.00 0.00 2935.00
1991 0.00 0.00 17.50 129.50 436.50 691.00 711.00 680.50 361.00 97.50 0.00 0.00 3124.50
1992 0.00 a 0.00 0.00 54.50 331.00 467.50 561.50 532.00 344.00 139.50 0.00 0.00 2430.00
1993 0.00 0.00 0.00 42.00 195.00 j 517.00 666.50 707.50 253.50 101.50 0.00 0.00 2288.00
1994 0.00 0.00 3.50 100.50 318.00 630.50 624.50 548.50 445.50 142.50 10.00 0.00 2823.50
1995 0.00 0.00 12.00 6.00 260.00 665.50 745.00 828.00 358.50 108.50 0.00 0.00 2983.50
1996 0.00 0.00 0.00 45.50 205.00 561.50 626.00 644.50 364.00 133.00 0.00 0.00 2579.50
1997 0.00 0.00 7.50 53.50 161.50 582.50 683.00 550.00 404.00 206.50 0.00 0.00 2648.50
1998 0.00 0.00 52.50 107.50 468.00 511.00 727.50 696.00 540.50 124.50 16.00 12.00 3255.50
1999 0.00 0.00 13.50 78.50 367.50 569.00 841.00 626.00 363.50 123.50 35.50 0.00 3018.00
2000 0.00 6.50 40.50 82.50 354.00 519.00 684.50 0.00 z 407.00 193.50 26.50 0.00 2314.00
2001 0.00 0.00 0.00 140.00 336.50 548.50 761.50 722.50 330.50 78.00 78.50 2.50 2998.50
2002 0.00 0.00 0.00 133.00 250.50 627.50 814.00 681.50 462.00 68.00 0.00 0.00 3036.50
2003 0.00 0.00 8.00 105.00 257.50 519.00 691.50 752.00 382.00 150.00 0.00 0.00 2865.00
2004 0.00 0.00 20.50 120.00 296.00 484.00 624.00 528.50 494.50 118.50 12.50 0.00 2698.50
2005 0.00 0.00 14.50 143.00 267.00 728.00 782.00 687.00 537.50 197.50 11.50 0.00 3368.00
2006 0.00 0.00 2.00 170.50 348.50 603.50 867.50 690.00 332.50 108.50 17.50 0.00 3140.50
2007 0.00 0.00 56.50 135.50 444.00 637.00 741.50 713.50 494.50 256.00 0.00 0.00 3478.50
2008 0.00 0.00 0.00 90.00 243.00 587.00 737.50 655.00 441.00 121.50 45.50 0.00 a 2920.50
2009 0.00 0.00 13.00 93.50 308.50 550.50 567.00 605.00 452.50 23.00 21.00 0.00 2634.00
2010 0.00 0.00 23.00 201.50 385.00 612.00 806.50 827.50 400.00 187.00 17.00 0.00 3459.50
2011 0.00 0.00 2.00 70.00 339.45 a 640.71 b 873.50 718.68 a 336.21 a 179.00 5.00 0.00 3164.55
2012 0.00 0.00 194.50 106.00 489.00 673.00 923.50 685.00 371.00 75.50 i 0.00 z 0.00 z 3442.00
Period of Record Statistics
MEAN 0.00 0.15 13.30 91.50 320.48 574.82 729.42 667.91 392.80 142.16 12.19 0.41 2920.12
S.D. 0.00 0.93 26.97 55.51 90.68 77.25 78.59 80.15 68.37 66.80 16.32 1.83 256.14
SKEW 0.00 6.04 4.63 0.64 0.27 -0.41 0.15 0.38 0.23 0.93 1.99 5.04 0.29
MAX 0.00 6.50 194.50 234.00 513.50 728.00 923.50 900.50 547.50 375.50 78.50 12.00 3580.50
MIN 0.00 0.00 0.00 6.00 161.50 337.00 561.50 522.50 253.00 23.00 0.00 0.00 2430.00
NO YRS 70 72 72 71 71 73 73 72 74 73 72 72 65