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
1946 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 306.50 o 479.00 228.00 99.50 0.00 b 0.00 a 806.50
1947 0.00 0.00 a 0.00 17.00 21.50 m 356.00 581.50 761.05 a 358.50 227.50 0.00 0.00 b 2301.55
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 399.31 a 622.67 b 571.50 376.50 38.50 12.00 0.00 2020.48
1949 0.00 0.00 0.00 38.00 237.50 536.00 658.00 571.00 159.00 102.00 0.00 0.00 2301.50
1950 0.00 a 0.00 0.00 0.50 145.00 366.00 437.50 347.50 221.50 126.58 a 9.64 b 0.00 1654.23
1951 0.00 0.00 0.00 29.50 243.00 298.00 500.00 396.00 142.00 64.00 0.00 0.00 1672.50
1952 0.00 0.00 0.00 108.50 131.75 c 446.50 601.50 466.50 263.00 12.00 0.00 a 0.00 2029.75
1953 0.00 0.00 0.00 6.00 216.50 475.00 551.00 567.09 b 268.50 201.50 17.50 0.00 2303.09
1954 0.00 0.00 0.00 33.50 107.00 496.50 558.00 458.00 180.00 33.58 a 0.00 0.00 1866.58
1955 0.00 0.00 0.00 65.50 282.00 397.00 702.50 644.00 256.00 79.57 a 0.00 d 0.00 2426.57
1956 0.00 0.00 0.00 0.00 158.50 495.50 443.50 473.50 169.50 119.57 c 23.50 0.00 1883.57
1957 0.00 0.00 0.00 93.50 135.50 383.00 602.00 441.00 179.00 25.50 0.00 a 0.00 1859.50
1958 0.00 0.00 0.00 41.00 156.50 246.00 458.50 465.50 225.00 69.00 0.00 0.00 a 1661.50
1959 0.00 a 0.00 0.00 11.50 283.50 445.50 527.50 613.50 286.50 13.50 0.00 0.00 2181.50
1960 0.00 0.00 0.00 61.00 179.50 309.50 506.50 539.00 299.50 62.00 0.00 0.00 1957.00
1961 0.00 0.00 0.00 2.00 129.50 392.50 516.00 493.50 254.50 73.22 b 0.00 0.00 k 1861.22
1962 0.00 0.00 a 0.00 50.50 260.00 348.00 395.00 434.50 137.00 73.50 0.00 b 0.00 1698.50
1963 0.00 0.00 0.50 55.50 148.00 464.00 574.00 414.50 216.00 192.50 0.00 0.00 2065.00
1964 0.00 0.00 0.00 a 45.50 270.50 422.00 424.50 g 367.00 192.00 45.00 16.00 0.00 1358.00
1965 0.00 0.00 0.00 10.50 246.50 343.00 439.00 395.50 104.50 49.00 1.00 0.00 1589.00
1966 0.00 0.00 1.50 1.11 c 83.50 388.00 561.62 a 327.05 a 211.03 a 48.50 0.00 0.00 1622.31
1967 0.00 0.00 b 6.00 19.50 84.50 397.00 471.00 364.50 221.00 63.50 0.00 0.00 1627.00
1968 0.00 0.00 8.27 a 22.76 a 83.00 362.00 484.00 499.00 241.50 118.50 0.00 0.00 1819.03
1969 0.00 0.00 0.00 46.00 217.50 214.50 556.00 585.00 261.00 69.00 0.00 0.00 1949.00
1970 0.00 0.00 0.00 88.00 203.00 479.00 619.50 525.97 a 264.00 78.50 0.00 0.00 2257.97
1971 0.00 0.00 0.00 27.41 a 116.77 a 536.00 472.50 431.50 285.50 142.00 0.00 0.00 2011.68
1972 0.00 0.00 0.00 21.00 311.50 360.00 496.50 498.50 227.50 35.00 0.00 0.00 1950.00
1973 0.00 0.00 0.00 36.00 76.00 458.50 583.50 579.50 240.50 144.50 0.00 0.00 2118.50
1974 0.00 0.00 0.00 55.50 108.00 284.00 616.00 455.00 116.50 40.50 11.00 0.00 1686.50
1975 0.00 0.00 0.00 0.00 262.50 387.50 590.00 480.00 135.00 80.71 b 13.97 a 0.00 1949.67
1976 0.00 0.00 0.00 44.00 136.00 455.50 559.03 a 468.50 180.50 59.50 0.00 0.00 1903.03
1977 0.00 a 0.00 b 5.00 123.50 381.30 a 367.22 c 590.03 a 327.50 198.00 2.50 2.50 0.00 a 1997.56
1978 0.00 0.00 0.00 13.50 270.70 c 357.00 479.50 501.00 312.50 13.50 4.00 0.00 b 1951.70
1979 0.00 b 0.00 0.00 33.00 98.50 373.00 578.50 440.00 273.00 29.00 0.00 0.00 1825.00
1980 0.00 0.00 0.00 a 61.50 283.50 378.50 601.00 514.00 204.50 31.50 0.00 0.00 2074.50
1981 0.00 0.00 5.00 25.00 148.00 409.00 543.50 515.50 183.00 15.00 5.00 0.00 1849.00
1982 0.00 0.00 0.00 19.50 308.00 245.00 613.00 456.50 196.00 45.50 1.00 0.00 1884.50
1983 0.00 0.00 0.00 14.00 62.50 433.00 700.50 644.00 305.50 61.00 0.00 0.00 2220.50
1984 0.00 0.00 0.00 19.00 122.50 470.50 531.00 600.50 213.50 100.50 0.00 0.00 2057.50
1985 0.00 0.00 0.00 119.50 274.50 330.50 529.50 444.00 278.00 15.50 0.00 0.00 1991.50
1986 0.00 0.00 14.00 80.50 252.00 417.00 603.50 405.50 241.50 39.50 0.00 0.00 2053.50
1987 0.00 0.00 8.50 91.50 267.50 507.00 666.00 493.50 244.50 6.50 8.50 0.00 2293.50
1988 0.00 0.00 0.00 a 13.00 308.00 526.00 678.50 618.50 225.00 30.00 0.00 0.00 2399.00
1989 0.00 0.00 6.50 18.00 196.50 352.00 601.50 488.50 219.50 95.50 0.00 0.00 1978.00
1990 0.00 0.00 4.50 120.00 113.00 438.50 537.00 502.00 306.00 22.00 10.50 0.00 2053.50
1991 0.00 0.00 7.50 87.00 347.50 549.00 535.00 538.00 204.50 23.50 0.00 0.00 2292.00
1992 0.00 0.00 0.00 19.50 228.00 337.00 369.00 375.00 171.50 60.00 0.00 0.00 1560.00
1993 0.00 0.00 0.00 7.00 166.50 314.50 529.00 525.50 72.00 31.00 a 0.00 0.00 1645.50
1994 0.00 0.00 0.00 30.50 211.50 473.00 493.50 414.00 320.00 67.00 0.00 0.00 2009.50
1995 0.00 0.00 5.50 0.00 128.13 a 547.00 580.50 647.50 210.50 55.28 a 0.00 0.00 2174.42
1996 0.00 0.00 0.00 13.00 125.50 426.00 475.50 511.50 236.00 45.00 0.00 0.00 1832.50
1997 0.00 0.00 0.00 21.00 64.00 471.50 520.00 385.00 259.50 99.00 0.00 0.00 1820.00
1998 0.00 0.00 13.00 40.50 335.50 386.00 569.00 547.00 379.00 42.00 2.50 0.00 2314.50
1999 0.00 0.00 a 5.50 33.00 260.50 442.00 653.58 a 458.28 a 208.00 26.50 13.97 a 0.00 2101.33
2000 0.00 0.00 19.12 a 25.86 a 236.50 366.50 522.87 a 519.50 233.50 105.50 14.50 0.00 2043.85
2001 0.00 0.00 0.00 58.50 217.52 a 442.50 599.00 608.00 222.00 40.00 13.00 0.00 2200.52
2002 0.00 0.00 0.00 68.50 117.50 490.00 697.50 522.50 336.00 45.50 0.00 0.00 2277.50
2003 0.00 0.00 7.50 52.00 165.00 412.50 564.00 616.50 323.50 82.00 0.00 0.00 2223.00
2004 0.00 0.00 c 0.00 47.00 135.00 352.00 529.50 326.50 394.00 50.78 b 0.00 b 0.00 b 1834.78
2005 0.00 0.00 4.50 68.00 170.50 579.00 656.00 544.50 382.00 110.50 0.00 0.00 2515.00
2006 0.00 0.00 0.00 77.50 228.00 422.50 655.00 508.50 178.50 45.00 3.50 0.00 2118.50
2007 0.00 0.00 22.00 73.00 273.00 453.50 551.50 500.50 304.50 172.50 0.00 0.00 2350.50
2008 0.00 0.00 0.00 38.50 88.50 371.50 530.50 222.50 o 283.00 49.00 25.50 0.00 1386.50
2009 0.00 0.00 0.00 23.50 156.00 352.00 271.00 f 393.00 275.50 2.00 0.00 0.00 1202.00
2010 0.00 0.00 a 6.00 65.00 256.00 408.00 619.50 616.00 157.00 77.00 5.00 0.00 2209.50
2011 0.00 0.00 d 0.00 11.00 172.50 402.50 653.50 509.00 198.00 127.50 0.00 0.00 2074.00
2012 0.00 0.00 124.00 b 29.50 271.00 466.00 687.50 463.00 234.50 26.50 h 0.00 z 0.00 z 2275.50
Period of Record Statistics
MEAN 0.00 0.00 4.22 41.10 194.59 409.24 561.39 493.85 237.08 67.45 3.24 0.00 2004.59
S.D. 0.00 0.00 15.79 31.98 79.29 75.96 75.18 88.64 67.79 48.52 6.17 0.00 234.77
SKEW 0.00 0.00 6.91 0.86 0.20 -0.12 -0.17 0.28 0.21 1.24 1.95 0.00 -0.01
MAX 0.00 0.00 124.00 123.50 381.30 579.00 702.50 761.05 394.00 227.50 25.50 0.00 2515.00
MIN 0.00 0.00 0.00 0.00 62.50 214.50 369.00 326.50 72.00 2.00 0.00 0.00 1560.00
NO YRS 65 65 65 65 64 66 64 66 67 66 66 65 59