date! ,

Monthly Total Growing Degree Days

(a vali)

Base Temperature = 40 F

File last updated on Apr 6, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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
1911 0.00 z 0.00 b 24.00 210.00 692.50 887.00 831.00 668.00 376.00 104.50 0.00 0.00 3793.00
1912 0.00 0.00 0.00 88.00 287.00 0.00 z 854.00 695.00 535.00 261.00 17.50 0.00 2737.50
1913 0.00 0.00 2.50 228.00 379.00 819.50 830.50 882.00 538.50 214.00 44.00 0.00 3938.00
1914 0.00 0.00 5.50 106.00 533.00 690.00 995.50 785.50 590.00 399.50 35.50 0.00 4140.50
1915 0.00 0.00 0.00 360.50 331.50 568.50 733.00 744.50 527.00 274.50 13.50 0.00 3553.00
1916 0.00 0.00 0.50 89.50 354.50 569.50 1080.50 845.50 467.50 138.00 15.50 0.00 3561.00
1917 0.00 0.00 0.00 34.00 305.00 574.00 924.00 0.00 z 460.50 71.00 39.00 0.00 2407.50
1918 0.00 0.00 56.00 112.00 487.00 707.50 859.50 892.50 379.00 268.00 38.00 0.00 3799.50
1919 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 31.50 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1920 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
1921 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
1922 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
1923 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
1924 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
1925 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
1926 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
1927 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
1928 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
1929 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
1930 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
1931 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
1932 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
1933 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
1934 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
1935 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
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1940 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
1941 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
1942 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
1943 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
1944 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
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 949.63 a 880.50 687.00 267.50 31.00 0.00 2815.63
1949 0.00 0.00 0.00 177.50 543.50 825.52 a 953.00 948.00 493.00 302.00 32.00 0.00 4274.52
1950 0.00 0.00 0.00 22.00 343.50 766.00 850.50 732.00 565.50 293.50 11.50 0.00 3584.50
1951 0.00 a 0.00 0.00 77.50 584.35 a 631.00 893.32 a 746.00 426.00 229.40 a 5.50 4.50 3597.57
1952 0.00 0.00 0.00 265.50 518.00 833.00 944.50 821.00 596.50 163.50 41.00 0.00 4183.00
1953 0.00 a 0.00 7.00 64.50 485.00 792.00 902.00 923.00 560.50 433.50 58.50 0.00 4226.00
1954 0.00 1.00 0.00 133.00 324.50 779.50 929.48 a 827.00 488.00 182.50 38.50 0.00 3703.48
1955 0.00 0.00 11.50 292.50 621.50 762.41 a 1058.50 993.50 566.50 295.02 a 0.50 0.00 4601.93
1956 0.00 0.00 0.00 30.00 430.50 833.50 826.15 a 846.00 495.00 b 407.00 55.34 a 0.00 a 3923.49
1957 0.00 a 0.00 0.00 184.82 b 444.50 681.50 1029.72 a 842.50 479.50 227.85 a 12.93 a 0.00 a 3903.32
1958 0.00 4.50 1.50 158.50 527.50 582.00 826.00 868.00 578.50 281.50 33.50 0.00 3861.50
1959 0.00 0.00 9.00 133.50 541.50 810.00 952.50 946.50 547.50 105.00 1.50 0.00 4047.00
1960 0.00 0.00 0.00 138.00 479.50 676.00 952.50 896.00 575.00 273.00 1.50 0.00 3991.50
1961 0.00 3.00 28.00 51.00 412.50 839.00 883.50 955.00 549.00 264.00 6.00 0.00 3991.00
1962 0.00 0.00 a 0.00 119.50 496.00 701.00 819.00 856.50 483.50 350.00 10.00 16.50 3852.00
1963 0.00 0.00 51.50 162.50 418.00 834.00 989.00 844.00 619.00 512.50 30.50 0.00 4461.00
1964 0.00 a 0.00 4.00 152.50 587.00 761.50 970.00 739.00 485.50 228.00 76.50 0.00 4004.00
1965 0.00 0.00 0.00 60.50 474.50 677.00 849.00 792.50 279.50 267.50 34.00 0.00 3434.50
1966 0.00 0.00 8.00 47.50 354.50 764.50 988.50 761.05 a 543.00 211.00 0.00 0.00 3678.05
1967 0.00 0.00 26.00 104.50 297.00 681.00 853.03 b 782.50 541.50 178.50 11.00 0.00 3475.03
1968 0.00 0.00 97.50 189.50 379.50 712.50 870.50 860.50 567.50 289.50 12.00 0.00 3979.00
1969 0.00 0.00 0.00 162.50 518.00 558.00 891.00 981.50 605.00 156.50 39.00 0.00 3911.50
1970 0.00 0.00 0.00 109.50 384.50 834.00 982.70 a 905.50 586.00 250.00 1.50 0.00 4053.70
1971 0.00 0.00 0.00 168.00 394.00 827.50 796.00 801.50 580.50 326.00 5.50 0.00 3899.00
1972 0.00 0.00 1.00 87.00 595.50 764.00 861.50 856.00 474.50 189.50 8.50 0.00 3837.50
1973 0.50 0.00 30.50 131.50 443.50 772.50 908.00 937.50 542.00 398.50 12.00 0.00 4176.50
1974 0.00 0.00 0.00 147.50 344.50 734.00 1024.50 766.50 448.50 264.00 24.00 0.00 3753.50
1975 0.00 0.00 1.50 38.00 573.50 761.50 1037.50 862.00 469.50 303.00 83.00 0.00 4129.50
1976 0.00 2.00 15.50 259.00 487.00 831.00 987.50 954.00 623.00 185.00 4.00 0.00 4348.00
1977 0.00 0.00 38.50 322.50 785.50 790.34 a 988.50 717.00 549.00 232.00 55.50 0.00 4478.84
1978 0.00 0.00 21.00 93.21 b 566.00 740.00 908.50 893.50 666.50 254.50 57.50 0.00 4200.71
1979 0.00 0.00 0.00 84.00 324.50 716.11 c 900.50 795.50 618.50 190.50 10.00 0.00 3639.61
1980 0.00 0.00 0.00 245.00 613.50 740.50 969.00 857.50 510.00 157.50 24.31 a 0.00 4117.31
1981 0.00 6.50 38.50 185.50 471.00 722.00 916.00 873.50 535.50 197.00 71.50 0.00 4017.00
1982 0.00 0.00 1.50 141.50 580.00 598.00 962.00 875.00 0.00 z 261.00 8.00 11.00 3438.00
1983 0.00 0.00 0.00 101.50 397.50 749.00 1054.50 1069.00 608.00 228.00 26.00 0.00 a 4233.50
1984 0.00 0.00 0.00 160.00 453.00 766.00 940.00 1016.50 437.00 341.00 13.00 0.00 4126.50
1985 0.00 0.00 13.00 266.90 a 619.00 633.50 926.00 750.00 511.55 a 176.50 5.00 0.00 3901.45
1986 0.00 0.00 z 29.97 a 206.50 521.83 a 819.00 973.00 775.50 530.00 264.50 7.00 0.00 4127.30
1987 0.00 0.00 a 20.50 l 336.00 542.00 850.00 995.00 819.50 564.50 102.00 39.00 j 0.00 n 4209.00
1988 0.00 o 0.00 a 0.50 l 99.00 669.00 900.50 1046.50 891.50 511.50 138.00 0.00 0.00 i 4256.00
1989 0.00 0.00 6.50 107.50 460.50 706.00 1029.00 853.50 515.50 224.50 4.50 0.00 3907.50
1990 0.00 0.00 9.00 179.50 386.00 762.50 890.00 865.50 593.00 123.50 44.00 0.00 3853.00
1991 0.00 0.00 8.00 192.00 589.00 841.00 895.00 939.50 471.50 146.00 0.00 0.00 4082.00
1992 0.00 0.00 6.00 80.00 551.50 642.93 a 634.50 671.50 407.00 182.50 0.00 0.00 b 3175.93
1993 0.00 0.00 4.00 66.50 379.00 580.00 756.50 778.00 280.50 85.00 0.00 0.00 2929.50
1994 0.00 0.50 0.00 96.00 465.00 717.00 781.00 696.50 535.00 215.00 17.00 0.00 3523.00
1995 0.00 0.00 8.50 19.00 368.00 813.50 815.50 830.00 434.50 130.50 0.00 0.00 3419.50
1996 0.00 0.00 0.00 25.50 334.00 691.00 777.50 802.00 474.00 156.00 0.00 0.00 3260.00
1997 0.00 0.00 0.00 85.00 282.00 804.50 862.50 762.00 597.00 247.00 0.00 0.00 3640.00
1998 0.00 4.50 24.50 212.50 661.00 659.00 927.50 912.50 669.00 235.00 10.00 0.50 4316.00
1999 0.00 a 0.00 14.50 136.00 534.50 734.50 984.50 834.00 503.50 141.00 53.00 0.00 d 3935.50
2000 0.00 6.00 72.50 139.00 523.00 637.50 894.00 857.50 458.00 268.84 b 44.00 0.00 c 3900.34
2001 0.00 0.00 0.00 138.00 506.50 737.00 944.00 946.50 0.00 z 169.50 107.00 0.00 3548.50
2002 0.00 0.00 0.00 122.50 319.00 821.00 982.00 813.50 599.50 90.50 7.50 0.00 3755.50
2003 0.00 0.00 30.00 181.50 456.50 710.00 919.00 979.00 544.00 254.50 0.00 0.00 f 4074.50
2004 0.00 0.00 19.00 132.00 351.50 612.50 842.50 662.00 652.50 219.00 20.50 0.00 g 3511.50
2005 0.00 0.00 22.50 209.00 397.00 823.00 936.00 846.00 627.50 254.50 33.00 0.00 c 4148.50
2006 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 146.00 0.00 z 0.00 h 146.00
2007 0.00 f 0.00 h 27.00 g 129.00 n 581.00 847.50 1005.00 843.00 568.00 198.00 f 0.00 z 0.00 n 3844.50
2008 0.00 0.00 0.00 f 79.50 358.50 680.50 905.00 850.50 548.00 177.50 65.00 0.00 3664.50
2009 0.00 q 0.00 6.00 82.50 h 425.00 682.00 0.00 z 769.00 669.00 67.00 45.50 0.00 2663.50
2010 0.00 0.00 37.00 241.50 f 481.50 721.00 939.00 921.50 433.50 266.50 g 29.50 g 0.00 k 3533.50
2011 0.00 0.00 0.00 77.07 a 441.50 673.50 1024.55 a 894.00 511.00 293.50 4.50 o 0.00 3915.12
2012 0.00 0.00 i 160.00 155.40 e 557.48 a 778.50 1045.00 842.50 528.62 a 156.00 14.00 0.00 c 4237.50
2013 0.00 0.00 d 0.00 p 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
Period of Record Statistics
MEAN 0.01 0.40 14.20 140.75 469.36 736.32 919.10 844.26 528.45 226.63 23.92 0.49 3898.81
S.D. 0.06 1.33 26.11 76.95 109.44 84.87 85.86 85.57 81.23 87.95 23.95 2.47 329.95
SKEW 8.12 3.48 3.40 0.76 0.33 -0.34 -0.55 0.01 -0.67 0.62 1.16 5.45 -0.48
MAX 0.50 6.50 160.00 360.50 785.50 900.50 1080.50 1069.00 687.00 512.50 107.00 16.50 4601.93
MIN 0.00 0.00 0.00 19.00 282.00 558.00 634.50 662.00 279.50 67.00 0.00 0.00 2929.50
NO YRS 69 70 67 68 71 70 71 71 70 71 68 66 55