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
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 799.00 362.00 66.50 29.00 1256.50
1940 0.00 0.00 17.50 213.00 582.00 942.00 1126.00 963.50 760.00 506.00 78.00 5.50 5193.50
1941 0.00 0.00 15.00 456.00 793.00 927.00 1105.00 1066.00 810.50 456.50 109.00 25.50 5763.50
1942 0.00 0.00 49.50 454.00 595.50 891.00 1056.00 1012.50 639.00 423.00 88.50 0.00 n 5209.00
1943 0.00 f 3.00 73.00 247.00 566.00 992.00 1127.00 1044.50 596.50 352.00 5.00 5.50 5011.50
1944 0.00 z 0.00 5.00 194.00 741.93 a 974.00 1014.50 1045.00 749.50 420.16 c 92.00 i 0.00 c 5144.09
1945 0.00 a 0.00 236.12 a 275.00 474.50 720.50 992.00 b 1004.00 684.50 327.00 77.50 0.60 e 4791.71
1946 5.00 6.00 201.50 404.00 554.50 863.50 1049.00 903.50 670.86 a 503.00 61.03 a 18.00 5239.90
1947 2.00 0.00 b 15.50 a 178.50 472.50 780.54 b 1021.50 1210.50 789.50 645.50 54.50 0.00 5170.54
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 856.50 1093.00 1049.00 847.50 352.50 94.00 6.00 4298.50
1949 0.00 0.00 41.00 280.00 709.00 982.50 1144.00 1052.50 579.50 487.00 94.50 6.00 5376.00
1950 0.00 0.00 13.50 97.00 580.00 833.00 922.50 862.50 687.00 498.50 52.50 0.00 4546.50
1951 0.00 0.50 6.72 a 130.00 694.00 757.50 989.93 a 870.50 587.00 365.00 21.00 21.50 4443.65
1952 0.00 0.00 19.00 306.50 569.50 916.50 1068.50 919.00 706.00 222.00 122.00 0.00 4849.00
1953 0.00 0.00 48.00 118.00 605.00 941.50 1021.50 1002.50 684.00 523.50 146.00 3.00 5093.00
1954 0.00 24.00 17.00 362.50 457.00 966.50 1077.00 952.50 723.50 338.50 104.50 0.00 5023.00
1955 0.00 0.00 27.50 0.00 z 721.00 837.00 1222.50 1123.50 742.50 403.50 16.00 0.00 5093.50
1956 0.00 0.00 0.50 158.00 615.00 982.50 956.50 987.00 616.00 556.00 109.50 0.00 4981.00
1957 1.00 3.63 a 21.50 326.50 561.62 a 878.50 1142.50 985.50 649.00 320.50 61.00 2.50 4953.75
1958 0.00 15.00 10.00 289.00 672.70 a 753.00 977.50 1015.00 730.50 476.00 137.00 0.00 5075.70
1959 0.00 0.00 14.50 253.50 745.50 910.50 998.00 1085.50 719.50 217.50 16.50 5.00 4966.00
1960 0.00 0.00 12.00 307.50 573.00 778.00 996.00 1024.50 762.00 373.50 70.00 17.00 4913.50
1961 0.00 0.50 41.00 134.00 563.00 896.00 1017.00 1037.50 692.00 444.00 58.00 13.50 4896.50
1962 0.00 0.00 18.00 246.00 783.00 867.00 942.50 965.00 625.50 478.50 33.00 40.00 4998.50
1963 0.00 0.00 104.50 315.00 580.50 960.50 1066.50 934.50 712.00 675.00 118.50 0.00 5467.00
1964 1.50 4.50 22.50 296.00 780.50 899.50 1103.50 905.50 663.50 306.00 212.00 0.00 5195.00
1965 0.00 0.00 1.50 136.50 717.50 842.50 989.00 912.50 554.50 377.50 92.00 6.50 4630.00
1966 0.00 7.50 79.50 158.50 487.00 884.50 1069.00 907.50 645.00 347.50 57.50 0.00 4643.50
1967 0.00 0.00 72.50 261.50 474.50 857.00 927.00 832.50 623.50 297.50 23.50 2.00 4371.50
1968 0.00 0.00 155.50 322.00 501.00 830.00 977.50 982.50 652.00 388.50 36.50 10.00 4855.50
1969 0.00 0.00 2.00 284.00 614.00 634.50 987.50 978.00 660.00 266.50 51.50 0.00 4478.00
1970 0.00 0.00 0.50 278.00 638.50 893.00 1043.50 965.00 645.50 390.50 40.50 5.00 4900.00
1971 0.00 0.00 24.00 280.50 510.00 994.50 893.50 893.50 738.00 530.00 73.00 0.00 4937.00
1972 0.00 0.00 12.50 171.50 673.00 764.00 924.00 930.50 649.50 242.50 21.00 0.50 4389.00
1973 6.50 0.00 106.50 206.00 478.50 898.50 1037.00 1016.00 667.00 520.50 38.00 9.00 4983.50
1974 0.00 0.00 33.50 280.00 480.00 761.50 1098.50 901.50 540.00 355.50 60.50 0.00 4511.00
1975 0.00 0.00 1.00 130.00 682.00 851.50 1035.50 998.50 575.00 450.00 190.50 8.00 4922.00
1976 0.00 14.00 98.00 324.00 543.00 895.50 1023.00 914.00 609.50 224.50 12.00 0.00 4657.50
1977 0.00 0.00 126.00 454.50 823.50 804.00 1087.50 839.00 661.50 307.00 101.50 1.50 5206.00
1978 0.00 0.00 35.50 205.00 625.50 847.50 971.00 965.00 788.50 289.00 111.00 0.00 4838.00
1979 0.00 0.00 22.50 181.00 561.50 850.00 987.00 907.00 744.00 307.00 38.50 2.50 4601.00
1980 0.00 0.00 18.50 290.50 665.50 863.50 1085.00 980.00 701.25 b 257.00 76.00 0.00 4937.25
1981 1.50 41.50 82.50 347.00 554.50 862.00 1004.00 953.50 629.48 a 285.00 93.00 0.00 4853.98
1982 0.00 0.00 27.50 210.50 688.50 705.50 1018.00 957.00 658.50 403.00 62.50 32.55 a 4763.55
1983 0.00 6.00 58.00 164.50 469.00 873.50 1150.00 1144.00 717.50 362.50 93.50 0.00 5038.50
1984 0.00 13.00 1.50 252.50 516.00 917.50 968.00 1039.50 640.50 419.50 40.50 11.50 4820.00
1985 0.00 0.00 40.00 446.50 748.00 803.00 1049.50 917.00 707.00 381.50 28.00 0.00 5120.50
1986 0.00 0.00 117.50 377.00 666.00 894.50 1093.50 861.00 697.50 372.50 24.00 0.00 5103.50
1987 0.00 0.00 98.00 426.21 a 746.00 996.00 1130.00 943.00 693.50 218.00 98.50 2.50 5351.71
1988 2.50 0.00 51.00 260.00 758.00 981.00 1110.50 1121.50 728.00 215.50 56.00 0.00 5284.00
1989 3.50 0.00 78.00 238.00 585.00 828.50 1092.00 973.00 623.00 387.50 30.50 0.00 4839.00
1990 0.00 0.00 84.50 310.50 510.50 885.00 1016.50 966.50 756.00 328.50 142.00 0.00 5000.00
1991 0.00 0.00 73.50 334.00 724.00 991.00 1021.00 990.50 638.50 312.00 8.50 0.00 5093.00
1992 0.00 a 0.00 40.50 192.00 634.50 767.50 871.50 842.00 639.50 349.00 14.00 0.00 4350.50
1993 0.00 0.00 10.00 180.00 405.00 j 817.00 976.50 1017.50 545.00 309.00 23.00 0.00 3878.00
1994 0.00 6.50 49.50 273.50 617.00 930.50 934.50 858.50 745.50 412.50 104.00 0.50 4932.50
1995 0.00 1.00 96.50 154.00 567.00 965.50 1055.00 1138.00 632.50 335.00 2.00 0.00 4946.50
1996 0.00 2.00 19.50 190.50 494.50 861.50 936.00 954.50 664.00 371.00 21.00 0.00 4514.50
1997 0.00 5.50 44.50 234.00 450.00 882.50 993.00 860.00 704.00 399.50 16.00 0.00 4589.00
1998 0.00 18.00 115.00 353.00 778.00 811.00 1037.50 1006.00 840.50 409.00 110.00 59.00 5537.00
1999 0.00 3.00 65.00 333.00 677.50 869.00 1151.00 936.00 663.50 350.50 146.00 11.00 5205.50
2000 0.00 55.00 156.00 294.50 662.00 819.00 994.50 0.00 z 703.50 453.50 85.00 0.00 4223.00
2001 0.00 0.00 0.00 357.00 641.00 848.50 1071.50 1032.50 627.00 301.00 274.00 28.50 5181.00
2002 11.50 7.50 17.00 305.50 529.50 927.50 1124.00 991.50 760.50 215.00 34.00 4.50 4928.00
2003 2.00 1.00 77.00 300.50 567.50 819.00 1001.50 1062.00 664.50 360.50 53.00 4.50 4913.00
2004 0.00 2.00 88.00 323.00 592.50 784.00 934.00 838.50 794.50 375.50 103.50 1.00 4836.50
2005 0.00 0.00 58.50 375.50 540.50 1028.00 1092.00 997.00 837.50 444.50 121.00 0.00 5494.50
2006 7.00 0.00 38.00 421.00 642.50 903.50 1177.50 1000.00 632.50 268.00 93.50 7.50 5191.00
2007 6.00 0.00 178.00 310.50 754.00 937.00 1051.50 1023.50 793.00 543.50 49.00 0.00 5646.00
2008 0.00 0.00 7.50 239.50 551.50 887.00 1047.50 965.00 741.00 364.50 113.00 0.00 a 4916.50
2009 0.00 9.50 86.50 278.00 618.50 850.50 877.00 915.00 752.00 190.00 147.00 0.50 4724.50
2010 0.00 0.00 129.00 488.00 675.00 912.00 1116.50 1137.50 700.00 459.50 89.00 0.00 5706.50
2011 0.00 5.00 23.50 251.50 626.72 a 940.71 b 1183.50 1028.68 a 634.14 a 428.50 94.00 0.00 5216.25
2012 0.50 0.00 413.00 355.50 799.00 973.00 1233.50 995.00 667.50 244.00 i 0.00 z 0.00 z 5437.00
Period of Record Statistics
MEAN 0.72 3.54 58.95 275.79 617.60 874.67 1039.42 977.91 688.01 378.20 74.98 5.65 4967.62
S.D. 2.02 9.01 66.28 91.52 98.64 77.51 78.59 80.15 70.17 100.15 50.71 10.78 319.37
SKEW 3.44 3.96 2.65 0.21 0.21 -0.43 0.15 0.38 0.20 0.47 1.16 2.77 0.26
MAX 11.50 55.00 413.00 488.00 823.50 1028.00 1233.50 1210.50 847.50 675.00 274.00 59.00 5763.50
MIN 0.00 0.00 0.00 97.00 450.00 634.50 871.50 832.50 540.00 190.00 2.00 0.00 4350.50
NO YRS 70 72 72 71 71 73 73 72 74 73 72 72 65