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
1944 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 56.00 z 0.00 z 0.00 z 0.00 z 0.00 j 0.00
1945 0.00 0.00 45.50 63.00 122.00 324.50 575.50 0.00 z 274.00 51.50 0.50 0.00 1456.50
1946 0.00 a 0.00 16.00 79.50 196.50 530.50 693.88 a 535.50 303.00 127.50 11.00 0.00 z 2493.38
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 j 0.00 0.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 479.50 697.50 650.50 466.50 42.50 11.00 0.00 2347.50
1949 0.00 0.00 0.00 60.00 208.00 j 600.56 c 739.50 703.50 251.00 126.00 1.50 0.00 2482.06
1950 0.00 c 0.00 0.00 5.50 192.50 452.50 535.00 437.00 274.50 139.00 0.00 0.00 2036.00
1951 0.00 0.00 0.00 34.00 315.00 361.00 574.00 454.50 187.00 76.50 0.00 0.00 2002.00
1952 0.00 0.00 a 0.00 a 114.83 a 210.00 507.50 656.00 495.00 297.41 a 7.00 0.00 0.00 a 2287.74
1953 0.00 a 0.00 0.00 17.00 134.00 n 513.00 584.19 b 609.00 296.50 200.47 a 13.50 0.00 2233.66
1954 0.00 0.00 0.00 42.50 141.00 540.00 613.00 538.50 235.00 42.00 0.00 0.00 2152.00
1955 0.00 0.00 a 0.00 107.50 322.40 a 452.00 777.00 698.05 c 313.39 b 102.00 0.00 0.00 a 2772.35
1956 0.00 c 0.00 0.00 1.20 e 256.35 e 569.00 512.05 c 547.00 214.50 149.00 26.00 0.00 2275.10
1957 0.00 0.00 0.00 122.14 b 201.50 465.00 715.50 548.50 222.50 37.00 0.00 b 0.00 2312.14
1958 0.00 0.00 0.00 52.00 221.13 a 327.50 316.50 n 539.00 313.00 91.40 b 4.50 0.00 1548.53
1959 0.00 a 0.00 0.00 32.00 215.00 h 536.79 b 631.62 c 678.00 338.00 16.50 0.00 c 0.00 2232.91
1960 0.00 0.00 0.00 84.50 247.00 387.50 463.00 g 590.07 b 343.00 76.50 0.00 0.00 1728.57
1961 0.00 0.00 0.50 11.50 181.00 501.00 609.00 629.09 b 300.00 114.50 4.00 0.00 a 2350.59
1962 0.00 0.00 0.00 71.50 350.00 438.62 a 407.00 g 568.00 214.00 146.50 0.00 4.00 1792.62
1963 0.00 b 0.00 13.00 67.50 178.52 b 539.48 a 690.50 529.00 348.00 252.00 0.00 0.00 2618.00
1964 0.00 0.00 a 0.00 53.00 353.29 b 343.50 k 761.00 557.50 264.11 b 78.00 26.50 0.00 2093.40
1965 0.00 0.00 0.00 21.50 345.50 456.50 570.00 520.50 146.11 c 88.00 3.50 0.00 2151.61
1966 0.00 0.00 6.00 7.00 172.10 b 305.50 i 744.00 533.00 311.90 a 67.00 0.00 0.00 1841.00
1967 0.00 0.00 10.00 32.00 133.00 490.50 587.50 350.00 j 298.50 91.50 0.00 0.00 1643.00
1968 0.00 0.00 21.70 a 73.50 147.50 480.50 600.50 597.00 293.50 134.00 1.00 0.00 2349.20
1969 0.00 0.00 0.00 52.00 280.00 286.00 619.00 675.00 341.50 84.50 0.00 0.00 2338.00
1970 0.00 0.00 0.00 96.00 256.50 547.00 712.50 597.50 308.00 82.00 0.00 0.00 2599.50
1971 0.00 0.00 0.00 60.00 152.00 623.50 547.50 527.50 344.50 158.50 1.50 0.00 2415.00
1972 0.00 0.00 0.00 24.00 345.50 459.50 577.08 e 480.00 g 269.50 53.50 0.00 0.00 1729.08
1973 0.00 0.00 2.50 47.50 155.50 524.00 669.08 a 647.50 276.50 168.00 0.00 b 0.00 2490.58
1974 0.00 0.00 0.00 79.50 183.50 391.00 748.00 524.50 192.32 b 80.50 7.00 0.00 2206.32
1975 0.00 0.00 0.00 2.50 311.00 471.50 685.00 558.00 185.69 a 120.38 a 17.00 0.00 2351.07
1976 0.00 0.00 0.50 69.50 170.50 523.00 661.00 537.50 234.00 63.50 0.00 0.00 2259.50
1977 0.00 0.00 4.00 152.00 436.50 412.50 635.50 391.00 257.00 0.50 3.00 0.00 2292.00
1978 0.00 0.00 4.00 12.00 253.50 382.50 493.50 501.50 342.50 29.50 1.00 0.00 2020.00
1979 0.00 0.00 0.00 20.50 110.00 337.50 527.50 442.00 329.50 45.50 1.50 0.00 1814.00
1980 0.00 0.00 0.00 98.00 310.50 462.50 674.00 574.00 271.50 47.00 0.00 0.00 2437.50
1981 0.00 0.00 10.50 49.00 183.50 453.00 576.00 550.00 240.50 33.00 4.50 0.00 2100.00
1982 0.00 0.00 0.00 29.00 343.00 294.00 651.00 517.50 247.00 56.00 0.00 1.00 2138.50
1983 0.00 0.00 1.00 15.50 96.00 487.50 736.50 703.50 340.00 64.50 10.00 0.00 2454.50
1984 0.00 0.00 0.00 37.50 164.00 533.50 613.50 676.50 258.00 156.00 0.00 0.00 2439.00
1985 0.00 0.00 0.50 159.00 386.00 407.00 632.00 524.50 335.00 42.00 0.00 0.00 2486.00
1986 0.00 0.00 34.50 105.50 333.00 530.50 718.00 499.50 305.00 59.00 0.00 0.00 2585.00
1987 0.00 0.00 14.00 156.50 379.50 612.50 774.00 592.00 371.00 24.00 18.00 0.00 2941.50
1988 0.00 0.00 0.00 48.00 425.73 a 649.50 821.50 755.00 367.00 49.00 0.00 0.00 3115.73
1989 0.00 0.00 8.50 46.00 273.00 451.50 723.50 619.50 327.00 132.50 0.00 0.00 2581.50
1990 0.00 0.00 7.50 142.50 187.00 537.50 660.50 624.50 402.50 58.50 27.50 0.00 2648.00
1991 0.00 0.00 7.50 122.00 403.50 645.50 654.50 623.00 264.50 44.00 0.00 0.00 2764.50
1992 0.00 0.00 0.00 28.50 285.00 416.50 452.00 455.50 236.50 71.00 0.00 0.00 1945.00
1993 0.00 0.00 0.00 18.50 198.50 371.00 583.00 582.00 110.50 36.00 0.00 0.00 1899.50
1994 0.00 0.00 0.00 45.00 259.50 543.50 562.50 491.50 374.00 78.00 2.00 0.00 2356.00
1995 0.00 0.00 0.00 2.50 183.00 632.00 649.00 693.00 262.00 62.50 0.00 0.00 2484.00
1996 0.00 0.00 0.00 18.50 158.50 492.00 549.50 581.50 295.50 61.00 0.00 0.00 2156.50
1997 0.00 0.00 0.00 25.00 104.00 548.00 597.00 480.50 318.50 120.50 0.00 0.00 2193.50
1998 0.00 0.00 13.00 59.00 407.00 431.50 642.50 606.50 428.50 45.00 0.00 0.00 2633.00
1999 0.00 0.00 5.50 36.50 296.05 a 484.50 730.50 531.00 253.00 32.03 a 12.50 0.00 2381.58
2000 0.00 0.00 21.00 0.00 z 275.50 427.00 213.50 u 572.50 260.00 111.00 18.00 0.00 1685.00
2001 0.00 0.00 0.00 71.50 239.50 474.00 653.00 635.50 243.00 27.50 19.50 0.00 2363.50
2002 0.00 0.00 0.00 87.50 137.50 539.00 746.00 555.50 359.00 33.00 0.00 0.00 2457.50
2003 0.00 0.00 2.00 61.00 186.00 436.00 606.50 668.00 329.50 87.00 0.00 0.00 2376.00
2004 0.00 0.00 0.00 57.50 157.50 383.50 571.50 368.50 390.50 57.00 0.00 0.00 1986.00
2005 0.00 0.00 5.50 88.00 212.50 585.00 685.00 565.00 389.50 112.50 0.00 0.00 z 2643.00
2006 0.00 0.00 0.00 91.00 292.00 518.00 772.50 0.00 z 208.00 49.50 4.50 0.00 1935.50
2007 0.00 0.00 24.50 83.50 323.00 556.00 646.00 578.00 354.50 167.00 0.00 0.00 2732.50
2008 0.00 0.00 0.00 37.50 116.50 460.50 630.50 535.00 321.00 56.00 34.00 0.00 2191.00
2009 0.00 0.00 a 0.00 39.50 212.50 422.00 459.00 495.00 376.00 4.50 1.00 0.00 2009.50
2010 0.00 0.00 7.00 87.50 278.00 472.00 684.50 662.00 187.00 87.00 4.00 0.00 2469.00
2011 0.00 0.00 0.00 18.50 206.48 c 458.00 752.00 581.00 254.00 133.00 0.00 a 0.00 2402.98
2012 0.00 a 0.00 110.57 a 33.00 352.50 530.00 797.50 560.14 b 294.00 27.50 i 0.00 z 0.00 z 2677.70
Period of Record Statistics
MEAN 0.00 0.00 6.01 57.95 242.96 479.32 646.79 568.53 291.94 80.90 4.39 0.08 2356.43
S.D. 0.00 0.00 15.68 39.72 89.25 82.75 83.78 78.18 66.57 49.78 8.03 0.51 267.54
SKEW 0.00 0.00 4.96 0.76 0.35 -0.17 -0.12 -0.03 -0.09 0.93 2.05 7.28 0.37
MAX 0.00 0.00 110.57 159.00 436.50 649.50 821.50 755.00 466.50 252.00 34.00 4.00 3115.73
MIN 0.00 0.00 0.00 1.20 96.00 286.00 452.00 368.50 110.50 0.50 0.00 0.00 1814.00
NO YRS 66 66 66 65 63 65 63 63 67 66 66 65 50