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
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 320.56 c 20.15 a 0.50 0.00 341.21
1953 0.00 0.00 0.00 14.50 211.00 516.00 616.00 582.00 300.00 145.00 9.50 0.00 2394.00
1954 0.00 0.00 0.00 33.00 107.98 a 462.50 572.00 448.00 250.00 51.00 1.50 0.00 1925.98
1955 0.00 0.00 0.00 62.50 261.00 437.00 735.50 664.00 291.50 75.50 0.00 0.00 2527.00
1956 0.00 0.00 a 0.00 0.00 183.00 517.50 504.00 520.00 191.00 127.00 27.50 0.00 2070.00
1957 0.00 0.00 0.00 107.50 170.50 470.50 654.10 a 539.00 218.50 28.50 0.00 l 0.00 2188.60
1958 0.00 0.00 0.00 44.00 177.50 289.50 531.50 603.47 a 291.00 80.37 d 10.00 0.00 2027.34
1959 0.00 0.00 0.00 25.50 335.00 531.00 588.50 694.00 369.50 36.50 0.00 a 0.00 2580.00
1960 0.00 0.00 0.00 83.00 217.50 396.50 552.32 a 596.50 363.00 89.50 2.50 0.50 2301.32
1961 0.00 0.00 1.50 h 13.50 148.50 471.00 599.00 597.50 345.00 119.00 4.00 0.00 2297.50
1962 0.00 0.00 0.00 60.00 344.50 428.00 531.00 552.50 213.50 142.00 0.00 i 0.00 2271.50
1963 0.00 0.00 3.00 67.24 a 169.50 547.76 a 662.00 520.00 301.00 248.00 1.50 0.00 a 2520.00
1964 0.00 0.00 0.00 70.00 357.00 480.50 669.00 467.00 266.00 45.50 26.00 0.00 2381.00
1965 0.00 0.00 0.00 19.50 334.00 384.31 a 550.00 520.00 196.03 a 97.50 2.00 0.00 2103.34
1966 0.00 0.00 2.00 10.00 173.50 525.00 703.50 524.50 284.50 67.00 0.00 0.00 a 2290.00
1967 0.00 0.00 16.00 33.50 116.50 482.50 547.00 442.00 280.50 83.50 4.00 0.00 2005.50
1968 0.00 0.00 23.50 44.00 163.00 460.00 621.50 578.00 355.50 150.00 0.50 0.00 2396.00
1969 0.00 0.00 0.00 40.00 269.50 261.00 606.50 641.00 290.50 109.00 0.00 0.00 2217.50
1970 0.00 0.00 i 0.00 102.32 b 217.00 517.50 672.50 592.00 333.00 88.00 0.00 0.00 2522.32
1971 0.00 0.00 0.00 40.00 141.00 606.50 547.00 496.00 381.50 204.00 7.00 0.00 2423.00
1972 0.00 0.00 0.00 15.50 336.00 430.00 606.00 582.50 303.50 73.50 0.00 0.00 2347.00
1973 0.00 0.00 0.00 46.00 133.50 545.50 689.15 e 630.50 351.00 205.50 0.00 0.00 2601.15
1974 0.00 0.00 0.00 76.20 e 146.00 370.00 657.50 501.50 158.50 63.00 2.50 0.00 a 1975.20
1975 0.00 b 0.00 a 0.00 6.50 337.00 459.50 637.50 519.00 151.00 97.00 31.00 0.00 2238.50
1976 0.00 a 0.00 0.00 72.00 160.50 536.38 a 638.00 470.50 235.00 57.50 0.00 0.00 d 2169.88
1977 0.00 b 0.00 4.50 125.00 420.00 401.00 696.50 424.50 264.50 11.37 a 7.50 0.00 2354.87
1978 0.00 0.00 0.00 13.00 265.00 421.50 519.00 538.50 338.50 27.50 3.50 0.00 2126.50
1979 0.00 0.00 0.00 45.00 139.00 405.50 609.00 462.50 284.50 41.00 1.00 0.00 1987.50
1980 0.00 0.00 0.00 71.50 295.00 402.93 a 637.50 553.00 227.50 28.00 0.00 0.00 2215.43
1981 0.00 0.00 10.50 42.50 159.50 462.50 584.50 552.00 230.50 14.00 6.50 0.00 2062.50
1982 0.00 0.00 0.00 27.50 329.50 293.00 619.00 449.00 199.50 57.50 0.50 3.50 1979.00
1983 0.00 0.00 1.00 33.50 76.50 415.50 687.00 616.50 302.00 69.50 1.50 0.00 2203.00
1984 0.00 0.00 0.00 32.50 148.00 504.50 556.00 532.50 193.50 56.50 0.00 0.00 2023.50
1985 0.00 0.00 0.00 101.00 236.00 340.34 a 553.00 447.50 316.00 29.50 0.00 0.00 2023.34
1986 0.00 0.00 23.00 105.50 290.00 0.00 z 646.00 436.00 278.50 43.50 0.00 0.00 1822.50
1987 0.00 0.00 0.50 80.50 266.00 557.00 678.00 532.50 285.00 0.00 z 12.00 0.00 2411.50
1988 0.00 a 0.00 0.00 18.00 293.00 619.50 744.00 685.00 274.50 34.50 0.00 0.00 2668.50
1989 0.00 0.00 4.00 30.00 200.00 362.00 615.50 538.00 238.00 105.00 0.00 0.00 2092.50
1990 0.00 0.00 10.50 127.00 104.50 433.50 562.50 521.00 326.50 30.50 17.50 0.00 2133.50
1991 0.00 0.00 6.00 87.00 348.50 557.50 556.50 564.00 236.00 36.50 0.00 0.00 2392.00
1992 0.00 0.00 0.00 13.00 223.50 343.50 422.00 408.00 212.00 49.00 0.00 0.00 1671.00
1993 0.00 0.00 0.00 16.00 189.00 369.50 588.00 553.50 137.59 a 35.50 0.00 0.00 1889.09
1994 0.00 0.00 1.50 35.00 226.50 522.00 557.00 449.00 360.00 78.50 0.50 0.00 2230.00
1995 0.00 0.00 4.50 0.00 152.50 585.50 668.00 695.00 225.00 80.50 0.00 0.00 2411.00
1996 0.00 0.00 0.00 26.50 128.00 460.50 530.50 560.00 296.00 59.50 0.00 0.00 2061.00
1997 0.00 0.00 0.00 33.00 68.00 489.50 580.50 447.00 298.50 121.50 4.50 0.00 2042.50
1998 0.00 0.00 24.00 46.50 0.00 z 445.00 643.50 608.50 414.50 58.50 3.00 0.00 2243.50
1999 0.00 0.00 2.50 32.00 283.50 479.50 712.50 463.00 0.00 z 34.00 13.00 0.00 2020.00
2000 0.00 0.00 14.50 24.50 260.00 396.50 540.00 543.50 228.50 85.50 6.00 0.00 z 2099.00
2001 0.00 m 0.00 0.00 65.50 268.00 451.00 650.00 670.50 250.00 50.50 15.50 3.00 2424.00
2002 0.00 0.00 0.00 82.50 109.50 498.00 722.50 552.50 375.50 50.50 0.50 0.00 2391.50
2003 0.00 0.00 a 1.50 47.50 147.00 409.50 591.50 628.00 310.00 73.50 0.00 0.00 2208.50
2004 0.00 0.00 0.50 60.00 149.50 383.00 547.50 428.50 419.00 59.00 3.50 0.00 2050.50
2005 0.00 0.00 3.00 42.50 173.50 632.50 685.50 621.00 407.50 133.50 0.00 0.00 2699.00
2006 0.00 0.00 2.50 72.50 268.50 477.50 728.50 572.00 242.50 45.00 6.50 0.00 2415.50
2007 0.00 0.00 b 27.50 62.00 285.50 532.00 619.00 590.50 359.50 190.50 0.00 0.00 2666.50
2008 0.00 0.00 0.00 61.50 111.50 488.00 629.50 546.50 330.00 59.50 18.50 0.00 2245.00
2009 0.00 0.00 0.00 27.50 208.00 464.00 502.50 516.00 384.50 6.50 1.50 0.00 2110.50
2010 0.00 0.00 2.50 85.50 313.50 467.00 674.50 645.50 237.00 106.00 0.00 0.00 2531.50
2011 0.00 0.00 0.00 11.00 189.00 445.50 751.48 b 615.35 a 246.50 120.50 0.00 0.00 a 2379.33
2012 0.00 0.00 124.00 a 37.50 327.00 567.50 791.50 570.00 287.00 32.50 h 0.00 z 0.00 z 2704.50
Period of Record Statistics
MEAN 0.00 0.00 5.31 48.46 218.01 461.17 618.18 546.96 284.29 77.73 4.36 0.12 2239.96
S.D. 0.00 0.00 17.10 31.35 83.49 79.67 73.04 73.32 66.37 51.03 7.28 0.60 229.34
SKEW 0.00 0.00 5.91 0.64 0.29 -0.19 0.02 0.06 -0.01 1.27 2.15 5.11 0.09
MAX 0.00 0.00 124.00 127.00 420.00 632.50 791.50 695.00 419.00 248.00 31.00 3.50 2699.00
MIN 0.00 0.00 0.00 0.00 68.00 261.00 422.00 408.00 137.59 6.50 0.00 0.00 1671.00
NO YRS 59 59 59 60 59 59 60 60 60 59 58 59 49