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
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 53.00 m 10.50 0.00 b 10.50
1951 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 30.00 t 76.50 0.00 0.00 76.50
1952 0.00 0.00 0.00 83.50 149.50 438.00 566.00 526.00 302.07 a 34.88 c 1.00 0.00 2100.94
1953 0.00 a 0.00 0.00 19.00 81.00 389.50 573.50 632.00 311.00 136.00 15.50 0.00 2157.50
1954 0.00 0.00 0.00 5.00 93.50 376.50 549.50 553.00 361.03 a 105.50 3.50 0.00 2047.53
1955 0.00 0.00 a 0.00 43.00 148.00 336.50 648.50 724.00 279.50 78.00 0.00 d 0.00 l 2257.50
1956 0.00 0.00 0.00 0.00 88.00 363.50 470.50 550.25 a 183.21 b 63.03 a 14.50 0.00 1733.00
1957 0.00 0.00 0.00 51.72 a 87.00 313.39 b 556.50 573.50 281.50 66.50 0.00 0.00 1930.12
1958 0.00 0.00 0.00 19.66 a 140.00 232.24 a 473.86 c 554.00 300.00 54.00 7.00 0.00 1780.75
1959 0.00 0.00 0.00 16.00 123.50 359.00 466.72 d 619.50 302.59 a 46.00 0.00 0.00 1933.31
1960 0.00 0.00 v 0.00 h 18.00 84.50 197.00 j 492.50 528.50 370.00 74.00 0.00 0.00 1567.50
1961 0.00 0.00 0.00 4.00 62.50 331.50 525.97 a 605.50 383.00 72.50 0.50 0.00 1985.47
1962 0.00 0.00 0.00 42.00 152.00 326.50 507.00 538.50 218.79 a 146.00 0.00 0.00 1930.79
1963 0.00 0.00 3.50 28.00 89.50 289.50 574.50 462.00 309.00 231.00 1.00 0.00 1988.00
1964 0.00 0.00 0.00 18.00 0.00 z 369.00 587.00 478.00 233.00 39.00 10.50 0.00 1734.50
1965 0.00 0.00 0.00 16.50 68.50 284.50 477.00 515.50 240.50 59.00 8.50 0.00 1670.00
1966 0.00 0.00 0.00 10.00 89.50 330.00 625.50 539.50 318.50 43.00 0.00 0.00 1956.00
1967 0.00 0.00 0.00 11.00 45.00 312.00 444.50 405.50 291.50 78.00 0.00 0.00 1587.50
1968 0.00 0.00 4.00 3.00 55.50 281.50 410.50 457.00 342.00 55.00 6.50 0.00 1615.00
1969 0.00 0.00 0.00 4.00 96.00 170.00 488.00 566.50 330.00 69.00 0.00 0.00 1723.50
1970 0.00 0.00 0.00 22.00 77.50 322.00 532.50 581.50 285.50 45.00 0.00 0.00 1866.00
1971 0.00 0.00 0.00 1.50 46.00 310.50 445.50 409.00 336.50 154.50 0.50 0.00 1704.00
1972 0.00 0.00 0.00 0.00 144.00 235.00 410.00 465.50 253.50 51.00 0.00 0.00 1559.00
1973 0.00 0.00 0.00 0.00 52.50 329.50 505.00 541.00 271.00 137.00 0.00 a 0.00 1836.00
1974 0.00 0.00 0.00 16.50 66.00 234.00 514.00 459.00 187.50 24.50 3.00 0.00 1504.50
1975 0.00 0.00 0.00 0.00 137.00 341.00 576.50 564.50 228.00 89.00 16.50 0.00 1952.50
1976 0.00 0.00 0.00 9.50 68.50 428.50 627.75 a 494.00 296.00 70.00 0.00 0.00 1994.25
1977 0.00 0.00 0.00 46.50 213.00 271.50 503.50 391.00 288.50 22.50 6.00 0.00 1742.50
1978 0.00 0.00 0.00 0.00 103.50 238.50 372.00 418.50 394.00 35.00 12.00 0.00 1573.50
1979 0.00 0.00 0.00 0.00 37.00 242.50 528.00 495.00 330.50 38.50 0.00 0.00 1671.50
1980 0.00 0.00 0.00 32.50 180.00 288.50 519.00 545.00 325.00 58.50 0.00 0.00 1948.50
1981 0.00 0.00 0.00 12.50 60.00 361.00 522.00 542.50 301.50 22.50 4.50 0.00 1826.50
1982 0.00 0.00 0.00 12.00 123.00 216.00 481.00 496.50 229.00 75.50 0.00 z 0.00 1633.00
1983 0.00 0.00 0.00 10.00 34.00 330.50 614.50 668.00 287.50 60.50 4.00 0.00 2009.00
1984 0.00 0.00 0.00 1.50 58.00 331.00 474.50 570.50 182.00 49.50 0.00 0.00 1667.00
1985 0.00 0.00 0.00 20.50 117.59 b 234.00 501.50 458.00 258.50 29.00 0.00 0.00 1619.09
1986 0.00 0.00 6.95 b 20.00 181.00 308.50 531.50 489.00 315.00 64.00 0.00 0.00 1915.95
1987 0.00 0.00 4.50 10.50 144.00 497.00 565.50 555.00 331.50 35.00 8.50 0.00 2151.50
1988 0.00 0.00 0.00 2.00 194.86 c 469.50 603.00 592.10 a 299.50 32.00 0.00 0.00 2192.96
1989 0.00 0.00 0.00 4.00 79.50 273.50 558.00 553.50 281.00 35.00 0.00 0.00 1784.50
1990 0.00 0.00 0.00 30.00 62.50 311.00 494.00 513.00 370.00 48.50 16.00 0.00 1845.00
1991 0.00 0.00 1.00 20.00 166.50 424.00 545.50 597.50 294.50 43.50 0.00 0.00 2092.50
1992 0.00 0.00 0.00 0.00 97.50 259.50 415.00 386.50 193.00 46.50 0.00 0.00 1398.00
1993 0.00 0.00 0.00 10.50 61.50 262.00 514.50 588.50 157.50 45.50 0.50 0.00 1640.50
1994 0.00 0.00 0.00 30.50 93.50 315.00 499.00 426.00 376.00 72.00 0.00 0.00 1812.00
1995 0.00 0.00 0.00 0.00 84.00 454.50 531.00 700.50 272.50 71.50 0.00 0.00 2114.00
1996 0.00 0.00 0.00 3.00 75.50 264.50 426.00 535.50 320.00 39.50 0.00 0.00 1664.00
1997 0.00 0.00 0.00 8.50 32.00 319.50 467.00 461.00 328.50 94.00 6.00 0.00 1716.50
1998 0.00 0.00 3.50 1.00 168.00 386.50 599.50 589.50 400.00 66.50 0.00 2.50 2217.00
1999 0.00 0.00 0.00 8.50 139.50 304.50 616.50 510.50 256.00 40.30 a 13.50 0.00 1889.30
2000 0.00 0.00 15.50 3.00 126.00 311.50 498.00 549.50 281.50 86.50 7.00 0.00 1878.50
2001 0.00 0.00 0.00 7.00 74.00 279.50 551.50 622.00 254.50 65.50 9.00 2.00 1865.00
2002 0.00 0.00 0.00 59.50 71.50 302.50 657.00 534.50 358.50 50.50 0.00 0.00 2034.00
2003 0.00 0.00 0.50 37.50 89.00 229.50 468.00 560.00 275.00 66.00 0.00 0.00 1725.50
2004 0.00 0.00 0.00 30.00 56.50 243.00 467.00 77.00 z 120.50 o 67.00 5.00 0.00 868.50
2005 0.00 0.00 0.00 c 10.86 a 82.00 430.00 598.50 591.50 398.50 77.00 3.50 0.00 2191.86
2006 0.00 0.00 0.00 35.00 94.00 373.00 613.00 609.00 272.50 41.00 2.50 0.00 2040.00
2007 0.00 0.00 13.50 27.00 106.00 373.50 547.50 600.00 306.50 134.00 0.00 0.00 2108.00
2008 0.00 0.00 0.00 2.00 58.50 325.50 491.00 584.00 357.00 59.50 14.50 0.00 1892.00
2009 0.00 0.00 2.00 10.00 75.00 314.50 466.00 405.00 356.00 6.50 4.00 0.00 1639.00
2010 0.00 0.00 3.50 24.50 198.50 440.00 629.00 636.00 222.50 99.00 1.00 0.00 2254.00
2011 0.00 0.00 0.00 c 2.50 36.17 a 320.69 a 647.50 638.50 294.50 97.13 a 0.00 a 0.00 2036.99
2012 0.00 0.00 6.64 c 1.03 a 173.00 409.66 a 727.00 586.00 296.50 23.50 h 0.00 z 0.00 z 2199.83
Period of Record Statistics
MEAN 0.00 0.00 1.08 16.00 99.85 323.66 529.37 539.04 294.67 66.77 3.55 0.07 1867.49
S.D. 0.00 0.00 2.98 16.96 45.85 68.99 70.79 75.14 56.33 37.69 5.04 0.41 203.53
SKEW 0.00 0.00 3.46 1.60 0.68 0.38 0.29 -0.08 -0.28 1.84 1.28 5.35 -0.07
MAX 0.00 0.00 15.50 83.50 213.00 497.00 727.00 724.00 400.00 231.00 16.50 2.50 2254.00
MIN 0.00 0.00 0.00 0.00 32.00 170.00 372.00 386.50 157.50 6.50 0.00 0.00 1398.00
NO YRS 62 61 60 61 60 60 61 60 60 61 61 61 55