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
1944 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 418.00 j 794.93 c 837.00 e 492.50 170.00 34.00 0.00 a 2328.43
1945 0.00 0.00 49.00 33.00 125.50 399.50 726.00 794.00 504.50 199.50 7.00 0.00 2838.00
1946 0.00 0.00 48.00 144.50 249.50 538.00 778.50 743.50 495.00 262.00 27.50 0.00 3286.50
1947 0.00 0.00 0.00 22.50 144.00 426.50 791.50 893.50 511.00 406.50 25.00 0.00 3220.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 561.72 a 781.50 796.50 650.00 286.50 45.50 0.50 3122.22
1949 0.00 0.00 0.50 128.50 287.50 663.00 810.50 847.50 458.50 268.50 20.00 0.00 3484.50
1950 0.00 0.00 0.00 13.00 174.00 375.50 f 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 187.00
1951 0.00 z 0.00 z 0.00 z 35.00 r 345.50 468.00 765.00 678.00 445.50 198.50 6.50 4.50 2911.50
1952 0.00 0.00 0.00 162.50 261.12 e 590.00 780.50 728.50 534.00 135.88 a 22.50 0.00 3215.00
1953 0.00 0.00 4.50 24.00 231.00 525.00 719.00 825.00 532.00 344.50 84.00 0.00 3289.00
1954 0.00 0.00 0.50 74.00 157.50 590.50 757.50 750.00 480.50 188.00 37.00 0.00 3035.50
1955 0.00 0.00 4.50 146.00 350.00 611.00 942.00 916.50 549.50 248.50 4.14 a 0.00 3772.14
1956 0.00 0.00 0.00 3.50 225.50 562.00 631.00 703.50 416.50 391.50 78.50 0.00 3012.00
1957 0.00 0.00 0.00 109.50 266.50 530.00 796.50 795.50 474.50 245.00 41.50 0.00 3259.00
1958 0.00 3.00 0.00 105.50 300.50 501.00 738.00 802.50 613.00 305.50 54.50 0.00 3423.50
1959 0.00 0.00 5.00 93.50 383.50 641.50 875.00 873.50 573.50 174.50 4.00 0.00 3624.00
1960 0.00 0.00 4.00 102.50 221.00 552.00 806.50 821.50 585.50 300.00 27.50 4.50 3425.00
1961 0.00 0.00 5.50 49.00 277.50 583.50 800.50 899.50 548.50 290.50 31.50 0.50 3486.50
1962 0.00 0.00 0.00 55.00 322.00 469.00 694.50 754.00 507.50 326.50 27.50 18.50 3174.50
1963 0.00 0.00 25.50 76.00 286.50 581.50 891.50 773.50 591.00 513.50 49.00 0.00 3788.00
1964 0.00 0.00 0.00 72.00 454.00 554.00 864.50 727.00 481.00 244.00 94.50 0.00 3491.00
1965 0.00 0.00 0.00 49.50 311.00 515.00 731.50 717.00 371.00 286.50 35.50 0.00 3017.00
1966 0.00 0.00 8.50 35.00 254.50 634.00 897.50 745.50 536.00 235.00 11.50 0.00 3357.50
1967 0.00 0.00 16.00 49.50 170.50 558.00 591.50 g 760.50 554.50 201.00 18.50 0.00 2328.50
1968 0.00 0.00 30.50 90.00 178.00 446.38 a 763.00 733.00 556.00 306.00 11.00 0.00 3113.88
1969 0.00 0.00 0.00 66.00 309.50 385.50 708.00 862.50 577.50 179.50 19.50 0.00 3108.00
1970 0.00 0.00 0.00 65.50 199.00 564.00 875.50 864.38 a 556.50 229.50 9.50 3.00 3366.88
1971 0.00 0.00 0.00 67.50 174.63 a 547.50 698.53 a 695.50 568.00 371.00 12.50 0.00 3135.17
1972 0.00 0.00 0.00 23.00 214.00 451.50 704.50 710.00 435.00 155.00 12.50 0.00 j 2705.50
1973 0.00 z 0.00 z 4.00 55.50 205.00 562.50 796.00 833.00 524.00 345.00 8.50 0.00 3333.50
1974 0.00 0.00 2.00 53.79 a 178.00 495.50 809.00 700.00 363.50 165.00 h 14.44 c 0.00 2616.24
1975 0.00 0.00 1.60 b 11.50 353.18 c 538.00 840.50 757.00 386.50 234.50 84.50 0.00 f 3207.28
1976 0.00 2.00 3.58 e 97.50 232.50 602.00 768.00 763.00 440.00 126.00 5.50 0.00 3040.08
1977 0.00 0.00 g 7.00 91.67 c 422.52 d 517.50 758.00 631.50 438.00 183.50 47.50 0.00 3097.19
1978 0.00 0.00 0.00 4.50 299.50 515.50 704.22 a 721.27 a 561.50 237.50 56.00 0.00 f 3099.98
1979 0.00 0.00 0.50 27.00 131.00 470.40 e 728.00 678.00 526.00 148.00 10.50 0.00 2719.40
1980 0.00 0.00 h 0.00 107.00 367.00 508.00 810.50 772.50 429.50 136.00 27.00 0.00 3157.50
1981 0.00 0.50 i 6.00 68.00 196.00 529.50 778.50 797.22 a 486.00 156.00 47.00 j 0.00 3017.22
1982 0.00 0.00 a 0.00 75.50 o 286.00 393.50 750.50 641.00 459.00 130.50 k 24.50 0.00 z 2554.50
1983 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 889.00 575.50 185.50 g 12.12 d 0.00 1476.62
1984 0.00 h 1.00 j 0.00 22.00 f 201.50 558.50 324.00 r 148.50 z 482.50 297.08 a 11.90 a 0.00 h 1551.48
1985 0.00 0.00 o 9.50 o 124.00 345.00 h 521.11 c 0.00 z 682.50 469.14 a 136.50 g 0.00 z 0.00 k 1796.75
1986 0.00 c 0.00 0.00 n 120.00 e 380.55 b 434.50 g 852.50 794.50 474.00 163.00 3.62 a 0.00 y 2788.17
1987 0.00 0.00 29.97 a 211.55 a 391.00 766.50 915.00 789.39 c 620.00 111.00 33.50 0.00 j 3867.91
1988 0.00 e 0.00 a 0.00 l 70.50 f 515.00 771.21 a 1005.50 845.00 553.45 a 105.00 0.50 0.00 3795.66
1989 0.00 a 0.00 0.00 z 44.00 k 373.00 583.50 910.00 846.00 598.50 221.00 0.00 m 0.00 3532.00
1990 0.00 0.00 8.00 184.00 243.50 634.50 855.50 846.00 610.50 0.00 z 50.00 f 1.00 j 3382.00
1991 0.00 0.00 b 3.50 152.00 188.50 r 674.50 579.50 i 861.00 468.00 138.00 1.00 0.00 2298.00
1992 0.00 0.00 0.50 58.50 429.00 540.00 606.00 692.50 346.00 i 171.00 0.00 0.00 2497.50
1993 0.00 0.00 5.00 28.00 291.00 494.00 768.50 833.00 364.50 122.50 2.50 0.00 2909.00
1994 0.00 0.00 3.50 89.00 330.00 650.00 761.00 733.00 613.50 267.00 51.00 0.00 3498.00
1995 0.00 0.00 17.00 11.00 330.00 682.00 818.50 881.00 477.00 210.00 0.00 0.00 3426.50
1996 0.00 0.00 3.00 24.50 227.00 575.00 704.50 841.00 551.00 214.00 8.50 0.00 3148.50
1997 0.00 0.00 2.00 66.00 166.50 669.50 791.00 711.50 590.50 265.50 7.50 1.00 3271.00
1998 0.00 1.00 25.00 138.50 473.00 609.00 863.00 928.00 668.00 283.50 24.50 7.00 4020.50
1999 0.00 0.50 15.50 92.50 438.50 674.50 923.00 809.50 548.50 159.50 79.00 0.00 a 3741.00
2000 0.00 6.50 53.50 57.00 397.50 522.00 794.00 819.00 509.00 310.50 59.50 0.00 i 3528.50
2001 0.00 0.00 0.00 e 107.00 435.00 643.00 848.50 906.50 517.50 209.50 131.00 2.00 3800.00
2002 1.00 1.00 0.50 91.00 222.50 623.50 975.00 813.00 610.50 108.00 8.50 0.00 3454.50
2003 0.00 0.00 15.00 78.50 294.50 552.00 827.50 881.00 598.00 207.00 14.50 0.50 3468.50
2004 0.00 0.00 7.00 58.00 217.00 524.50 753.00 648.00 629.00 243.00 40.50 0.00 3120.00
2005 0.00 0.00 22.50 116.00 278.50 655.50 832.00 822.50 640.50 261.00 42.50 0.00 3671.00
2006 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 824.00 445.00 0.00 z 23.50 0.00 1292.50
2007 0.00 0.00 49.00 98.50 404.50 688.00 846.50 824.00 580.00 296.50 29.00 0.00 3816.00
2008 0.00 0.00 0.00 52.50 191.00 555.00 759.50 767.50 542.50 193.00 63.00 0.00 3124.00
2009 0.00 0.50 11.50 49.50 342.50 539.00 0.00 z 732.50 679.50 92.50 53.00 0.00 2500.50
2010 0.00 0.00 30.50 176.00 406.00 607.50 923.50 902.50 398.00 273.00 33.00 0.00 3750.00
2011 0.00 6.00 3.00 71.00 242.00 491.50 911.00 858.00 523.00 282.00 28.50 0.00 3416.00
2012 0.00 0.00 130.00 76.00 429.00 687.50 970.00 829.00 505.00 108.00 h 0.00 z 0.00 z 3626.50
Period of Record Statistics
MEAN 0.02 0.35 11.04 78.46 288.79 563.67 804.61 790.35 523.20 233.34 30.04 0.74 3349.20
S.D. 0.13 1.22 20.88 46.98 95.54 82.33 82.42 73.56 74.61 82.73 26.74 2.72 296.77
SKEW 7.75 4.15 3.59 0.62 0.31 0.17 0.23 -0.19 -0.16 0.67 1.41 5.30 0.16
MAX 1.00 6.50 130.00 211.55 515.00 771.21 1005.50 928.00 679.50 513.50 131.00 18.50 4020.50
MIN 0.00 0.00 0.00 3.50 125.50 385.50 606.00 631.50 363.50 92.50 0.00 0.00 2719.40
NO YRS 63 59 60 60 63 64 61 67 67 61 63 57 41