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 93.50 285.50 128.50 w 498.50 358.00 50.00 10.50 0.00 1296.00
1949 0.00 0.00 0.00 74.50 117.50 445.50 587.50 549.50 179.00 142.50 4.50 0.00 2100.50
1950 0.00 0.00 0.00 3.50 109.50 312.50 421.50 276.00 226.55 a 98.00 0.00 0.00 1447.55
1951 0.00 0.00 0.00 15.00 194.50 224.00 495.00 332.50 165.50 48.05 a 0.00 0.00 1474.55
1952 0.00 0.00 0.00 95.00 74.50 357.00 568.50 469.00 316.00 20.00 0.50 0.00 1900.50
1953 0.00 0.00 0.00 3.50 121.50 348.50 524.50 580.00 251.00 182.50 19.50 0.00 2031.00
1954 0.00 0.00 0.00 5.50 59.50 376.50 469.50 448.50 164.00 31.50 0.00 0.00 1555.00
1955 0.00 0.00 5.00 75.00 183.50 414.50 653.00 607.00 246.00 87.32 a 0.00 0.00 2271.32
1956 0.00 0.00 0.00 0.00 62.50 385.86 a 328.50 432.50 134.00 133.30 a 19.00 0.00 1495.66
1957 0.00 0.00 a 0.00 82.00 128.50 293.79 a 522.50 442.50 232.00 53.22 a 1.00 0.00 1755.51
1958 0.00 0.00 0.00 51.50 99.50 226.50 445.00 467.00 264.50 64.50 2.00 0.00 1620.50
1959 0.00 0.00 0.00 20.00 206.00 391.50 589.50 562.50 299.00 24.00 0.00 0.00 2092.50
1960 0.00 0.00 0.00 23.00 107.50 283.00 461.50 508.00 253.50 72.00 0.00 0.00 1708.50
1961 0.00 0.00 0.00 11.00 89.00 301.00 466.50 539.50 315.50 105.50 4.50 0.00 1832.50
1962 0.00 0.00 0.00 8.00 191.50 251.00 399.00 435.00 166.50 105.50 0.00 1.00 1557.50
1963 0.00 0.00 0.00 18.00 117.50 353.00 575.50 429.50 228.00 299.00 0.00 0.00 2020.50
1964 0.00 0.00 0.00 22.00 234.00 290.50 546.00 379.00 209.00 103.50 13.50 0.00 1797.50
1965 0.00 0.00 0.00 18.50 172.00 312.00 405.50 389.50 139.50 79.00 3.50 0.00 1519.50
1966 0.00 0.00 1.50 5.00 96.50 400.00 616.00 434.00 264.50 67.50 0.00 0.00 1885.00
1967 0.00 0.00 4.50 15.00 47.50 316.50 450.50 420.50 304.50 60.00 2.00 0.00 1621.00
1968 0.00 0.00 4.50 24.50 51.50 197.00 498.00 443.00 312.00 132.50 4.00 0.00 1667.00
1969 0.00 0.00 0.00 18.00 162.00 173.00 476.00 644.50 288.00 47.50 1.00 0.00 1810.00
1970 0.00 0.00 0.00 26.00 67.00 326.00 584.00 550.00 283.50 102.50 0.00 0.00 1939.00
1971 0.00 0.00 0.00 12.00 67.00 348.50 440.50 416.00 334.50 145.50 0.00 0.00 1764.00
1972 0.00 0.00 0.00 1.00 179.50 241.00 433.00 411.00 165.50 30.50 0.00 0.00 1461.50
1973 0.00 0.00 0.50 25.50 20.50 310.50 524.50 592.00 270.50 178.50 0.00 0.00 1922.50
1974 0.00 0.00 0.00 27.00 76.50 298.00 592.50 448.00 134.50 58.50 2.50 0.00 1637.50
1975 0.00 0.00 0.00 0.00 188.50 338.00 629.00 529.50 154.50 88.00 44.00 0.00 1971.50
1976 0.00 0.00 0.00 60.00 69.50 423.50 511.00 546.00 239.50 60.50 0.00 0.00 1910.00
1977 0.00 0.00 0.00 63.00 300.50 287.50 535.50 366.00 199.50 49.50 14.00 0.00 1815.50
1978 0.00 0.00 0.00 1.00 204.00 322.50 468.50 508.50 261.50 56.50 14.50 0.00 1837.00
1979 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 226.50 466.00 389.00 260.00 26.00 0.00 0.00 1367.50
1980 0.00 0.00 0.00 24.00 139.00 213.50 505.50 526.50 200.69 a 25.50 0.00 0.00 1634.69
1981 0.00 0.00 0.00 18.00 95.00 277.00 492.50 466.50 180.00 18.50 4.50 0.00 1552.00
1982 0.00 0.00 0.00 34.00 117.50 145.00 467.50 350.00 218.50 48.00 1.50 0.00 1382.00
1983 0.00 0.00 0.00 9.00 32.00 316.00 643.50 619.50 334.50 47.00 1.50 0.00 2003.00
1984 0.00 0.00 0.00 8.50 105.50 342.50 471.00 513.50 195.50 71.50 0.00 0.00 1708.00
1985 0.00 0.00 0.00 89.00 92.50 205.00 423.00 426.00 243.50 45.00 0.00 0.00 1524.00
1986 0.00 0.00 1.00 57.50 149.50 255.50 521.00 414.50 205.00 43.50 0.00 0.00 1647.50
1987 0.00 0.00 2.50 49.50 190.00 381.50 582.00 501.00 303.00 14.00 8.50 0.00 2032.00
1988 0.00 0.00 0.00 0.00 166.00 397.00 616.00 539.50 245.00 23.50 0.00 0.00 1987.00
1989 0.00 0.00 5.00 0.00 116.00 210.50 517.00 504.00 307.00 113.00 0.00 0.00 1772.50
1990 0.00 0.00 5.50 98.00 18.00 272.50 459.50 491.00 249.00 24.00 19.00 0.00 1636.50
1991 0.00 0.00 0.00 58.50 220.00 361.00 489.50 589.00 243.50 23.50 0.00 0.00 1985.00
1992 0.00 0.00 0.00 7.00 202.00 221.50 301.00 402.50 233.50 58.50 0.00 0.00 1426.00
1993 0.00 0.00 0.00 1.50 77.50 215.50 528.00 544.50 155.50 10.50 0.00 0.00 1533.00
1994 0.00 0.00 0.00 23.00 97.50 284.50 424.00 402.50 312.00 97.50 0.00 0.00 1641.00
1995 0.00 0.00 1.50 0.00 93.50 452.50 500.00 598.50 237.50 67.00 0.00 0.00 1950.50
1996 0.00 0.00 0.00 0.50 49.00 234.00 350.50 552.12 b 274.00 53.00 0.00 0.00 1513.12
1997 0.00 0.00 0.00 22.50 40.50 402.00 483.00 420.50 309.00 137.00 0.00 0.00 1814.50
1998 0.00 0.00 6.50 51.50 210.50 351.50 593.00 626.50 419.00 87.00 0.00 b 0.00 2345.50
1999 0.00 0.00 7.00 10.00 222.50 458.28 a 665.00 500.50 284.50 26.87 a 26.50 0.00 2201.14
2000 0.00 0.00 17.50 9.00 240.00 299.50 485.00 567.82 a 273.50 127.00 30.50 0.00 2049.82
2001 0.00 0.00 0.00 50.50 185.50 383.50 596.00 599.00 335.50 70.50 17.78 c 0.00 a 2238.28
2002 0.00 0.00 0.00 42.00 89.00 0.00 z 0.00 z 0.00 z 50.00 s 49.00 0.00 0.00 180.00
2003 0.00 0.00 0.00 z 0.00 31.50 228.50 445.50 536.00 340.00 73.00 0.00 0.00 a 1654.50
2004 0.00 0.00 0.00 e 7.00 69.50 216.00 354.00 371.47 b 402.86 b 57.35 a 0.00 0.00 a 1478.17
2005 0.00 0.00 2.00 16.00 84.98 b 396.00 546.63 a 602.00 421.61 b 123.50 0.00 0.00 2192.72
2006 0.00 0.00 0.00 20.50 172.05 a 347.00 626.00 544.50 211.50 52.50 1.50 0.00 1975.55
2007 0.00 0.00 2.50 43.80 e 179.05 b 350.00 507.88 a 555.50 337.24 a 139.50 0.00 a 0.00 2115.48
2008 0.00 0.00 z 0.00 z 0.00 z 42.00 270.50 496.00 524.00 333.00 46.00 27.50 0.00 1739.00
2009 0.00 0.00 0.00 8.00 43.73 c 263.00 394.22 a 459.00 408.50 8.00 3.00 0.00 1587.45
2010 0.00 0.00 0.00 a 40.00 219.00 339.50 629.50 620.00 211.00 90.00 0.50 0.00 2149.50
2011 0.00 0.00 0.00 a 18.00 85.50 244.50 628.50 622.50 278.50 145.50 0.00 0.00 2023.00
2012 0.00 0.00 58.50 10.86 a 227.00 424.00 688.50 583.83 a 267.50 42.00 m 0.00 z 0.00 z 2260.20
Period of Record Statistics
MEAN 0.00 0.00 2.06 26.32 124.93 309.68 509.75 494.03 259.23 75.30 4.73 0.02 1805.44
S.D. 0.00 0.00 7.86 26.25 66.36 74.26 85.82 84.56 69.98 51.10 9.09 0.12 248.17
SKEW 0.00 0.00 6.35 1.17 0.40 0.02 -0.08 -0.23 0.28 1.60 2.34 7.81 0.19
MAX 0.00 0.00 58.50 98.00 300.50 458.28 688.50 644.50 421.61 299.00 44.00 1.00 2345.50
MIN 0.00 0.00 0.00 0.00 18.00 145.00 301.00 276.00 134.00 8.00 0.00 0.00 1382.00
NO YRS 63 62 61 62 64 64 63 64 64 64 64 64 59