date! ,

Monthly Total Growing Degree Days

(a vali)

Base Temperature = 40 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
1972 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 814.00 691.00 324.00 126.50 49.50 2005.00
1973 14.50 4.50 60.00 174.50 369.00 676.50 832.50 903.00 680.00 462.00 141.50 82.50 4400.50
1974 22.50 4.50 34.50 189.50 353.00 595.00 858.50 896.00 695.50 326.50 178.50 27.00 4181.00
1975 26.50 7.50 22.50 86.50 428.50 635.00 886.50 880.00 639.00 489.50 282.00 53.50 4437.00
1976 7.50 33.00 56.00 248.50 446.50 695.50 870.00 846.00 671.00 359.00 69.00 12.50 4314.50
1977 0.00 1.00 57.00 207.00 449.00 611.00 875.50 883.50 643.00 412.50 218.00 36.50 4394.00
1978 9.00 0.00 18.50 117.00 368.00 669.00 786.50 892.50 587.50 375.50 188.50 28.50 4040.50
1979 24.00 0.00 49.00 130.50 489.00 618.00 853.50 801.50 649.00 381.50 267.00 62.00 4325.00
1980 4.50 0.50 13.00 177.50 423.00 615.50 894.50 928.50 715.00 375.00 92.00 20.50 4259.50
1981 0.00 26.50 33.50 218.50 398.50 710.50 920.50 841.50 656.00 348.50 159.00 19.50 4332.50
1982 6.50 11.50 25.50 141.50 410.50 555.00 876.00 804.00 650.50 424.00 239.50 123.50 4268.00
1983 15.00 7.00 41.50 162.50 378.50 675.00 929.50 877.50 773.50 460.00 213.00 54.00 4587.00
1984 0.00 34.00 4.00 126.50 454.50 687.50 847.50 924.00 631.00 464.00 186.00 76.00 4435.00
1985 11.00 9.50 53.00 0.00 z 429.50 645.00 846.00 845.50 706.50 480.50 245.50 15.00 4287.00
1986 17.00 0.00 76.50 171.00 0.00 z 647.50 848.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1760.00
1987 1.00 0.00 54.50 155.00 383.00 670.50 816.00 0.00 z 671.00 384.50 0.00 z 32.50 3168.00
1988 0.50 8.00 27.50 155.50 394.50 625.50 872.50 936.50 663.50 335.00 194.00 26.00 4239.00
1989 6.50 14.00 34.10 a 133.00 0.00 z 694.50 842.00 850.50 697.50 449.00 189.50 3.00 3913.60
1990 16.50 30.07 a 54.00 162.00 369.00 629.50 849.50 930.00 681.00 529.50 190.00 83.18 a 4524.26
1991 10.00 16.00 59.00 209.48 a 526.50 727.50 0.00 z 912.00 654.00 472.50 198.50 69.48 b 3854.97
1992 0.00 z 3.50 19.00 78.50 350.30 a 662.50 786.50 0.00 z 640.50 375.00 0.00 z 37.00 2952.80
1993 14.00 0.00 21.50 142.00 451.00 674.00 900.50 871.50 682.50 386.00 196.50 49.00 4388.50
1994 1.50 2.00 23.00 220.50 380.50 714.00 949.00 870.50 670.34 a 437.50 302.00 86.00 4656.84
1995 0.00 z 9.50 0.00 z 0.00 z 345.50 650.50 917.00 919.50 679.50 561.50 130.50 5.68 a 4219.18
1996 15.50 14.00 17.57 a 158.00 407.50 684.00 817.50 829.00 680.00 471.50 144.50 89.90 a 4328.97
1997 3.50 21.50 53.00 160.00 398.00 666.50 940.50 859.00 705.50 425.00 148.00 9.50 4390.00
1998 47.50 23.85 a 107.98 a 196.00 450.50 0.00 z 890.00 0.00 z 735.50 432.00 171.00 98.00 3152.34
1999 18.00 24.50 0.00 z 187.50 470.50 748.00 1025.50 874.00 762.50 430.00 225.00 a 69.00 4834.50
2000 51.50 22.79 a 88.50 197.00 465.50 691.00 842.50 850.50 0.00 z 419.00 161.00 0.00 z 3789.29
2001 0.50 0.00 v 17.50 o 168.50 469.50 784.00 856.50 925.00 715.00 498.00 252.50 116.00 4785.50
2002 22.00 17.63 a 53.50 0.00 z 417.00 644.00 930.50 977.50 768.50 420.00 126.72 a 19.50 4396.85
2003 0.00 z 2.00 62.50 85.50 362.00 627.00 943.50 922.50 697.00 443.50 203.50 39.50 4388.50
2004 2.50 0.00 21.50 142.00 421.50 647.00 818.00 861.50 0.00 z 456.50 187.76 a 72.73 e 3630.99
2005 23.00 2.50 8.00 169.00 298.00 660.00 888.00 977.50 804.50 484.50 233.00 10.50 4558.50
2006 0.00 z 17.00 47.00 214.50 0.00 z 698.00 948.50 929.00 707.50 438.50 308.50 98.50 4407.00
2007 61.00 0.00 34.50 133.50 494.00 703.00 909.00 917.50 772.00 572.50 153.50 9.00 4759.50
2008 23.50 16.00 32.50 188.00 406.50 794.00 997.00 899.00 798.00 260.50 i 166.00 46.50 4367.00
2009 1.00 2.00 26.00 72.50 m 424.50 556.50 816.00 933.00 675.00 368.50 269.50 39.00 4111.00
2010 4.00 0.00 81.00 248.00 515.50 732.50 979.00 892.00 746.00 452.00 157.00 14.00 4821.00
2011 0.00 0.00 25.00 199.50 412.50 677.50 948.50 904.50 743.50 526.50 266.00 89.50 4793.00
2012 17.00 9.00 105.50 260.50 474.50 373.50 o 985.50 955.32 a 731.50 366.00 i 0.00 z 0.00 z 3538.82
Period of Record Statistics
MEAN 13.85 10.14 43.27 169.85 418.52 668.36 887.03 890.13 696.59 432.92 194.07 49.30 4428.82
S.D. 14.76 10.43 25.53 44.16 50.90 51.94 58.49 44.54 49.23 61.74 56.25 33.41 201.17
SKEW 1.58 0.81 0.81 -0.06 0.04 0.16 0.39 -0.11 0.37 0.21 0.11 0.46 0.41
MAX 61.00 34.00 107.98 260.50 526.50 794.00 1025.50 977.50 804.50 572.50 308.50 123.50 4821.00
MIN 0.00 0.00 4.00 78.50 298.00 555.00 786.50 801.50 587.50 324.00 69.00 3.00 4040.50
NO YRS 36 39 37 36 37 38 39 37 38 38 37 38 22