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
1940 0.00 0.00 0.00 20.00 208.00 510.00 740.38 a 548.50 418.50 97.50 5.00 0.00 2547.88
1941 0.00 0.00 0.00 143.50 362.00 535.50 707.50 665.50 392.00 92.00 11.90 a 0.00 b 2909.90
1942 0.00 0.00 a 2.00 173.50 204.00 470.89 b 626.50 599.16 b 295.18 b 120.00 11.25 b 0.00 a 2502.48
1943 0.00 b 0.00 a 15.00 26.00 181.00 588.75 b 736.77 a 646.87 a 221.90 a 93.50 0.00 0.00 b 2509.78
1944 0.00 a 0.00 0.00 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
1945 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
1946 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
1947 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
1948 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
1949 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 738.00 255.00 202.50 10.00 0.00 1205.50
1950 0.00 c 0.00 0.00 6.00 252.00 526.50 624.50 517.50 378.00 217.00 a 14.50 0.00 2536.00
1951 0.00 0.00 0.00 a 43.50 0.00 z 462.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 506.00
1952 0.00 a 0.00 0.00 140.50 283.00 611.50 752.00 616.00 413.00 41.50 0.00 z 0.00 2857.50
1953 0.00 0.00 a 5.50 19.50 318.50 644.50 691.00 707.66 b 413.00 295.00 0.00 z 0.00 3094.66
1954 0.00 b 0.00 p 0.00 108.50 200.00 667.00 758.50 638.60 a 365.50 80.60 a 11.50 0.00 2830.20
1955 0.00 b 0.00 b 0.00 e 129.50 393.18 a 518.00 866.00 798.00 444.00 155.50 0.00 0.00 3304.18
1956 0.00 a 0.00 0.00 3.50 302.00 711.50 624.13 a 675.50 321.00 260.50 36.00 0.00 2934.13
1957 0.00 0.00 a 0.00 152.00 271.00 554.00 816.85 a 666.50 331.50 85.00 2.00 0.00 2878.85
1958 0.00 a 1.50 0.00 74.46 b 352.00 420.52 a 644.00 688.50 414.50 192.00 12.00 0.00 c 2799.48
1959 0.00 0.00 0.00 45.00 405.00 631.03 a 734.00 787.00 424.50 35.00 0.00 0.00 a 3061.53
1960 0.00 0.00 0.00 a 98.50 319.50 483.00 685.00 690.50 422.00 137.00 0.00 0.00 2835.50
1961 0.00 0.00 2.50 16.00 252.50 599.00 694.50 692.00 362.50 161.50 5.56 c 0.00 a 2786.06
1962 0.00 0.00 0.00 89.50 421.50 559.00 625.50 667.50 299.50 199.50 0.00 5.50 2867.50
1963 0.00 0.00 23.50 98.00 272.50 690.00 783.50 641.50 441.50 378.00 9.00 0.00 3337.50
1964 0.00 0.00 0.00 89.50 425.00 586.50 819.00 622.50 351.50 118.50 59.50 0.00 3072.00
1965 0.00 0.00 0.00 26.50 402.50 526.50 664.00 593.00 224.50 141.50 13.50 0.00 2592.00
1966 0.00 0.00 11.00 22.50 233.50 597.50 804.50 594.50 367.00 110.00 0.50 0.00 2741.00
1967 0.00 0.00 24.00 59.50 197.50 564.50 638.50 566.00 377.50 129.00 0.50 0.00 2557.00
1968 0.00 0.00 45.00 117.50 192.50 548.00 662.00 685.00 370.00 172.00 8.50 1.00 2801.50
1969 0.00 0.00 0.00 85.50 346.00 365.50 699.00 731.50 399.50 119.00 6.00 0.00 2752.00
1970 0.00 0.00 a 0.00 108.50 323.00 614.50 748.50 675.50 368.00 127.50 0.00 0.00 2965.50
1971 0.00 0.00 1.00 79.50 196.50 678.00 595.50 596.50 413.00 208.00 1.00 0.00 2769.00
1972 0.00 0.00 0.00 25.50 395.00 500.00 636.00 661.00 334.50 78.50 0.00 0.00 2630.50
1973 0.00 0.00 4.00 57.00 205.50 579.00 704.00 687.00 303.50 200.50 0.00 0.00 2740.50
1974 0.00 0.00 1.00 88.00 199.50 476.00 806.00 566.50 234.50 105.00 8.00 0.00 2484.50
1975 0.00 0.00 0.00 9.50 360.00 527.50 746.00 641.00 229.50 160.50 38.00 0.00 2712.00
1976 0.00 0.00 5.50 96.00 270.00 618.00 772.50 680.00 349.50 96.50 0.50 0.00 2888.50
1977 0.00 0.00 12.50 246.00 571.50 566.50 806.50 581.50 394.00 20.50 6.50 0.00 3205.50
1978 0.00 0.00 7.00 26.50 310.50 517.00 627.00 652.00 469.00 59.50 16.11 c 0.00 a 2684.61
1979 0.00 a 0.00 0.00 45.50 205.00 500.00 646.00 562.98 c 391.50 63.00 2.50 0.00 2416.48
1980 0.00 0.00 0.00 103.00 354.00 555.00 784.50 642.70 c 347.00 62.50 3.00 0.00 2851.70
1981 0.00 2.00 17.00 84.31 a 231.00 528.00 672.00 610.50 317.00 53.50 18.50 0.00 2533.81
1982 0.00 a 0.00 2.00 51.00 397.00 405.50 0.00 z 625.00 309.31 a 101.50 0.00 8.00 1899.31
1983 0.00 0.00 5.00 27.50 154.50 537.50 796.00 792.00 393.00 89.00 15.00 0.00 2809.50
1984 0.00 0.00 0.00 27.50 213.00 592.50 647.00 722.00 311.50 145.50 0.00 a 0.00 b 2659.00
1985 0.00 a 0.00 0.00 193.50 412.50 449.00 698.00 535.00 0.00 z 68.00 0.00 0.00 a 2356.00
1986 0.00 0.00 40.00 124.00 373.50 600.50 783.00 556.00 376.00 99.00 0.00 0.00 2952.00
1987 0.00 0.00 22.00 196.50 444.00 662.50 800.00 618.00 414.00 41.00 23.00 0.00 3221.00
1988 0.00 0.00 0.00 71.50 470.50 699.00 824.00 780.00 425.00 55.50 0.00 0.00 3325.50
1989 0.00 0.00 13.00 78.50 307.42 a 508.50 783.00 651.00 362.00 164.50 0.00 0.00 2867.92
1990 0.00 0.00 9.30 a 144.50 228.00 586.50 691.50 674.50 464.50 106.00 44.00 0.00 2948.80
1991 0.00 0.00 8.00 136.00 415.50 253.00 r 693.50 683.00 347.50 95.50 0.00 0.00 2379.00
1992 0.00 0.00 0.00 43.50 360.00 482.50 538.50 530.50 351.00 138.00 0.00 0.00 2444.00
1993 0.00 0.00 0.00 38.00 286.50 481.50 684.00 691.00 226.50 104.00 2.00 0.00 2513.50
1994 0.00 0.00 0.50 91.50 344.00 625.50 624.50 553.50 446.00 162.50 4.00 0.00 2852.00
1995 0.00 0.00 12.00 2.00 242.00 645.50 740.50 814.50 364.00 107.00 0.00 0.00 2927.50
1996 0.00 0.00 0.00 37.50 212.50 561.50 621.50 651.50 383.00 127.50 0.00 0.00 2595.00
1997 0.00 0.00 1.50 48.00 177.00 609.00 667.50 577.50 416.00 196.00 0.00 0.00 2692.50
1998 0.00 0.00 24.00 116.00 478.00 480.00 717.00 681.50 537.50 132.50 2.00 1.50 3170.00
1999 0.00 0.00 10.00 63.00 352.50 517.50 763.12 a 560.00 335.00 75.00 22.00 0.00 2698.12
2000 0.00 1.50 29.00 65.50 303.00 505.50 645.50 634.00 338.00 204.00 25.50 0.00 2751.50
2001 0.00 0.00 0.00 103.50 316.00 541.00 755.50 740.00 331.50 87.83 a 78.50 0.00 2953.83
2002 0.00 0.00 0.00 112.50 203.50 620.00 786.00 654.50 470.00 67.50 0.00 0.00 2914.00
2003 0.00 0.00 12.50 108.00 258.00 537.00 693.00 748.00 412.50 144.50 0.00 0.00 2913.50
2004 0.00 0.00 5.50 115.50 252.50 469.00 649.00 498.50 519.00 110.50 6.00 0.00 2625.50
2005 0.00 0.00 16.00 140.00 248.00 697.50 787.50 661.50 515.00 185.50 7.00 0.00 3258.00
2006 0.00 0.00 0.00 168.00 331.50 593.50 841.50 680.50 300.50 102.50 18.50 0.00 3036.50
2007 0.00 0.00 47.00 127.50 466.00 659.50 744.50 685.00 484.50 224.00 0.00 0.00 3438.00
2008 0.00 0.00 0.00 80.00 215.50 546.00 727.00 652.50 441.50 107.50 47.50 0.00 2817.50
2009 0.00 0.00 3.50 69.50 301.50 523.00 567.50 600.50 470.50 17.00 16.50 0.00 2569.50
2010 0.00 0.00 26.50 193.50 366.00 580.00 797.00 801.50 349.00 171.00 18.00 0.00 3302.50
2011 0.00 0.00 0.00 35.00 326.00 595.00 868.50 700.00 363.00 206.15 a 1.00 0.00 3094.65
2012 0.00 0.00 a 163.78 a 77.50 472.23 a 661.00 910.88 a 668.00 387.50 74.00 k 0.00 z 0.00 z 3340.90
Period of Record Statistics
MEAN 0.00 0.07 9.23 84.24 308.25 560.66 719.82 653.07 374.22 128.86 10.03 0.24 2840.00
S.D. 0.00 0.35 22.05 53.77 92.17 74.77 78.73 72.18 71.03 66.07 15.51 1.20 253.30
SKEW 0.00 4.56 5.35 0.62 0.46 -0.08 0.07 0.15 -0.15 1.05 2.38 5.50 0.46
MAX 0.00 2.00 163.78 246.00 571.50 711.50 910.88 814.50 537.50 378.00 78.50 8.00 3438.00
MIN 0.00 0.00 0.00 2.00 154.50 365.50 538.50 498.50 221.90 17.00 0.00 0.00 2416.48
NO YRS 68 67 68 67 66 66 65 67 66 66 64 66 59