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 201303
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 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 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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1950 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
1951 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
1952 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
1953 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
1954 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
1955 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
1956 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
1957 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
1958 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
1959 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
1960 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
1961 0.00 z 0.00 z 0.00 z 56.00 l 413.00 856.00 902.00 1020.50 560.50 275.50 11.50 0.00 4039.00
1962 0.00 0.00 a 0.00 137.00 519.00 746.54 d 821.50 e 885.80 d 506.00 357.00 17.50 17.64 b 4007.97
1963 0.00 0.00 72.00 206.50 427.50 845.00 1020.00 910.50 649.66 a 551.50 36.00 0.00 4718.66
1964 0.00 0.00 3.00 175.00 615.50 788.50 1020.50 782.50 509.50 245.50 95.69 a 0.00 a 4235.69
1965 0.00 0.00 0.00 90.00 501.00 717.00 876.78 a 859.00 300.00 248.50 31.50 0.00 3623.78
1966 0.00 b 0.00 26.35 a 43.00 391.50 788.00 1040.00 799.50 595.50 235.08 a 0.00 0.00 3918.93
1967 0.00 0.00 30.50 119.00 337.50 696.00 896.00 828.22 a 603.00 230.36 b 6.50 0.00 3747.08
1968 0.00 0.00 97.00 182.00 381.50 751.00 883.00 884.00 580.00 257.50 9.00 0.00 c 4025.00
1969 0.00 0.00 0.00 173.00 526.00 582.50 880.50 1016.50 611.50 136.00 31.50 0.00 3957.50
1970 0.00 0.00 0.00 111.00 411.00 822.00 1031.00 911.00 605.00 234.50 0.00 0.00 4125.50
1971 0.00 0.00 11.50 183.00 416.50 815.50 790.00 827.50 579.50 288.50 3.50 0.00 3915.50
1972 0.00 0.00 0.00 84.50 616.50 759.50 851.50 882.00 479.50 185.00 2.00 0.00 3860.50
1973 0.00 0.00 33.50 143.50 477.50 773.50 877.00 981.00 502.50 353.50 4.00 0.00 4146.00
1974 0.00 0.00 0.00 146.00 342.50 740.50 1071.50 768.00 429.50 281.50 25.71 b 0.00 3805.21
1975 0.00 0.00 0.00 48.50 544.00 780.00 1074.00 901.00 487.00 308.00 90.50 0.00 4233.00
1976 0.00 0.00 14.50 250.50 511.00 879.00 1003.76 b 1012.50 642.00 208.00 11.50 0.00 b 4532.76
1977 0.00 a 0.00 e 36.00 337.50 800.50 797.14 b 987.00 729.00 566.50 228.50 46.50 0.00 4528.64
1978 0.00 0.00 b 15.00 52.50 d 602.50 757.00 940.50 947.00 736.00 247.00 69.00 0.00 4366.50
1979 0.00 0.00 0.00 56.25 b 315.50 745.00 915.50 807.50 649.50 175.00 8.00 0.00 3672.25
1980 0.00 0.00 0.00 264.00 664.00 777.50 991.00 857.00 546.50 176.00 29.00 0.00 4305.00
1981 1.50 14.00 43.00 223.50 502.00 755.50 979.00 899.00 538.00 210.00 92.50 0.00 4258.00
1982 0.00 0.00 0.00 173.00 597.50 640.00 1008.50 894.00 537.00 232.50 2.00 6.50 4091.00
1983 0.00 0.00 0.00 119.50 439.00 770.00 1095.00 1106.00 610.00 201.50 35.00 0.00 4376.00
1984 0.00 2.00 0.00 196.00 489.00 790.50 997.50 1041.00 452.00 320.00 19.50 0.00 4307.50
1985 0.00 0.00 7.00 256.50 672.00 643.00 945.00 770.50 470.00 210.50 8.00 0.00 a 3982.50
1986 0.00 0.00 46.00 200.00 575.00 858.50 980.50 806.00 526.50 264.50 5.50 0.00 4262.50
1987 0.00 0.00 49.00 417.00 661.85 a 931.50 1043.00 893.00 613.50 158.50 46.50 0.00 4813.85
1988 0.00 0.00 1.00 204.00 773.00 1012.50 1132.00 976.50 612.50 178.50 3.50 0.00 4893.50
1989 0.00 0.00 1.00 144.00 578.00 764.50 1120.50 920.50 596.50 265.50 0.00 0.00 4390.50
1990 0.00 0.00 32.00 210.00 462.50 820.50 924.00 927.50 708.50 208.00 48.50 0.00 4341.50
1991 0.00 0.00 15.50 231.00 654.00 888.50 927.00 1003.00 541.00 225.00 2.00 0.00 4487.00
1992 0.00 0.00 7.50 133.00 609.00 704.50 749.00 795.50 553.00 254.00 0.00 0.00 3805.50
1993 0.00 0.00 12.00 137.00 494.00 655.00 840.00 881.50 437.00 219.50 0.00 0.00 3676.00
1994 0.00 0.00 2.00 144.50 610.00 846.50 883.00 814.00 679.50 315.00 30.00 0.00 4324.50
1995 0.00 0.00 40.50 56.50 482.00 915.00 954.50 968.50 567.50 186.50 0.00 0.00 4171.00
1996 0.00 0.00 1.50 72.00 439.00 850.00 909.00 956.00 575.50 256.00 8.50 0.00 4067.50
1997 0.00 0.00 0.00 141.00 402.50 873.00 945.00 870.00 700.50 339.00 0.00 0.00 4271.00
1998 0.00 5.00 31.00 284.50 698.00 712.00 958.00 996.00 785.00 286.00 15.50 6.00 4777.00
1999 0.00 0.00 28.50 198.50 594.50 789.00 1040.50 903.50 526.00 210.00 78.00 2.00 4370.50
2000 0.00 0.50 85.50 187.00 553.87 a 704.00 933.50 933.50 571.50 329.00 55.50 0.00 4353.87
2001 0.00 0.00 0.00 170.00 565.50 795.52 a 1007.50 1013.00 592.24 a 257.50 153.00 0.00 4554.26
2002 1.50 0.00 3.00 147.00 352.00 907.00 1072.50 878.50 742.00 97.00 0.00 0.00 z 4200.50
2003 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
2004 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
2005 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
2006 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
2007 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
2008 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 0.00
2009 0.00 f 0.00 z 0.00 z 0.00 z 235.00 m 498.00 h 0.00 z 0.00 z 0.00 z 44.00 f 44.50 0.00 44.50
2010 0.00 0.00 31.53 b 281.50 458.00 273.50 q 410.00 r 492.50 o 448.20 e 292.71 e 38.00 0.00 a 1549.95
2011 0.00 a 1.08 b 0.00 a 99.00 e 308.00 g 497.00 h 1023.00 e 598.50 k 346.00 j 249.00 f 12.32 b 0.00 a 1135.40
2012 0.00 b 0.00 b 171.03 b 177.22 c 561.58 e 769.20 e 830.00 g 653.50 h 550.38 d 177.65 e 20.00 c 8.02 b 2435.09
2013 0.00 c 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
Period of Record Statistics
MEAN 0.07 0.50 21.06 168.32 523.59 786.35 961.41 901.36 569.84 248.11 27.11 0.87 4207.51
S.D. 0.31 2.21 33.07 78.66 115.47 84.20 87.93 85.56 92.18 73.89 32.86 3.06 320.01
SKEW 4.42 5.42 2.59 0.73 0.26 0.11 -0.20 0.15 -0.12 1.45 1.78 4.19 0.12
MAX 1.50 14.00 171.03 417.00 800.50 1012.50 1132.00 1106.00 785.00 551.50 153.00 17.64 4893.50
MIN 0.00 0.00 0.00 43.00 315.50 582.50 749.00 729.00 300.00 97.00 0.00 0.00 3623.78
NO YRS 45 45 45 44 44 43 43 42 44 44 46 46 40