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 220.50 j 484.93 c 527.00 e 202.00 11.50 0.00 0.00 a 1225.43
1945 0.00 0.00 0.00 0.00 3.00 155.50 416.00 484.00 235.50 43.50 0.00 0.00 1337.50
1946 0.00 0.00 12.50 24.50 60.00 251.50 468.50 433.50 215.50 51.00 0.00 0.00 1517.00
1947 0.00 0.00 0.00 5.50 27.50 166.00 481.50 583.50 267.50 141.00 0.00 0.00 1672.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 271.03 a 471.50 486.50 353.00 51.50 1.00 0.00 1634.53
1949 0.00 0.00 0.00 23.50 62.50 369.50 500.50 537.50 169.50 65.50 0.50 0.00 1729.00
1950 0.00 0.00 0.00 0.00 27.00 150.50 f 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 27.00
1951 0.00 z 0.00 z 0.00 z 8.50 r 117.50 205.00 455.00 368.00 174.00 46.00 0.00 0.00 1365.50
1952 0.00 0.00 0.00 42.50 38.15 e 294.50 470.50 418.50 240.50 11.88 a 0.00 0.00 1516.54
1953 0.00 0.00 0.00 0.50 49.00 235.00 409.00 515.00 240.00 115.00 6.00 0.00 1569.50
1954 0.00 0.00 0.00 5.00 25.00 301.50 447.50 440.00 184.50 18.00 0.50 0.00 1422.00
1955 0.00 0.00 0.00 12.50 88.00 313.00 632.00 606.50 257.50 66.00 0.00 a 0.00 1975.50
1956 0.00 0.00 0.00 0.00 48.00 267.00 321.00 393.50 147.00 112.50 12.50 0.00 1301.50
1957 0.00 0.00 0.00 19.50 76.00 236.00 486.50 485.50 195.00 43.00 0.00 0.00 1541.50
1958 0.00 0.00 0.00 25.00 80.00 213.00 428.00 492.50 313.00 76.00 3.00 0.00 1630.50
1959 0.00 0.00 0.00 7.00 113.50 341.50 565.00 563.50 288.50 24.50 0.00 0.00 1903.50
1960 0.00 0.00 0.00 5.50 49.00 252.00 496.50 511.50 298.50 75.50 0.00 0.00 1688.50
1961 0.00 0.00 0.00 6.50 79.50 286.50 490.50 589.50 272.00 83.00 2.50 0.00 1810.00
1962 0.00 0.00 0.00 3.50 92.00 196.50 384.50 444.00 217.50 106.50 0.00 0.00 1444.50
1963 0.00 0.00 0.50 9.00 72.00 293.00 581.50 463.50 296.50 230.00 0.00 0.00 1946.00
1964 0.00 0.00 0.00 3.00 173.00 266.50 554.50 417.00 201.00 74.00 4.50 0.00 1693.50
1965 0.00 0.00 0.00 18.50 68.00 228.50 421.50 407.00 118.50 65.50 1.00 0.00 1328.50
1966 0.00 0.00 0.00 1.50 81.00 342.00 587.50 435.50 239.50 46.00 0.00 0.00 1733.00
1967 0.00 0.00 0.00 0.00 22.50 258.50 351.50 g 450.50 275.00 52.50 0.00 0.00 1059.00
1968 0.00 0.00 0.50 16.50 3.50 157.24 a 454.50 423.00 258.50 91.50 0.00 0.00 1405.24
1969 0.00 0.00 0.00 0.00 90.50 98.50 400.50 552.50 283.50 35.00 0.00 0.00 1460.50
1970 0.00 0.00 0.00 4.50 37.50 269.00 565.50 554.38 a 278.50 29.00 0.00 0.00 1738.38
1971 0.00 0.00 0.00 0.00 28.42 a 262.50 388.53 a 385.50 276.00 109.50 0.00 0.00 1450.45
1972 0.00 0.00 0.00 0.00 38.50 177.00 395.00 400.00 167.00 17.00 0.00 0.00 j 1194.50
1973 0.00 z 0.00 z 0.00 9.50 16.00 265.00 486.00 523.00 234.50 114.50 0.00 0.00 1648.50
1974 0.00 0.00 0.00 0.00 a 31.50 197.50 499.00 390.00 102.00 22.50 h 0.00 c 0.00 1220.00
1975 0.00 0.00 0.00 b 0.00 111.27 c 239.00 530.50 447.00 125.00 44.00 13.50 0.00 f 1510.27
1976 0.00 0.00 0.00 e 12.00 32.50 311.50 458.00 453.00 189.50 24.00 0.00 0.00 1480.50
1977 0.00 0.00 g 0.00 7.22 c 166.48 d 233.00 448.00 321.50 149.00 10.50 2.50 0.00 1338.20
1978 0.00 0.00 0.00 0.00 88.50 223.00 394.22 a 411.27 a 269.00 42.50 2.50 0.00 f 1430.98
1979 0.00 0.00 0.00 0.00 6.00 182.40 e 420.50 368.00 227.50 19.50 0.00 0.00 1223.90
1980 0.00 0.00 h 0.00 21.50 130.00 214.00 500.50 462.50 160.00 33.00 0.00 0.00 1521.50
1981 0.00 0.00 i 0.00 7.00 31.50 236.50 468.50 487.22 a 218.00 18.50 0.50 j 0.00 1467.22
1982 0.00 0.00 a 0.00 17.50 o 55.00 116.00 440.50 331.00 174.50 10.00 k 0.50 0.00 z 1117.50
1983 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 579.00 287.50 34.00 g 0.00 d 0.00 866.50
1984 0.00 h 0.00 j 0.00 0.00 f 45.00 259.50 194.00 r 98.50 z 214.00 68.72 a 0.00 a 0.00 h 587.22
1985 0.00 0.00 o 0.00 o 35.00 129.00 h 222.22 c 0.00 z 372.50 213.10 a 14.50 g 0.00 z 0.00 k 842.83
1986 0.00 c 0.00 0.00 n 7.80 e 129.34 b 207.00 g 542.50 484.50 180.50 31.00 0.00 a 0.00 y 1375.64
1987 0.00 0.00 0.00 a 52.76 a 156.50 466.50 605.00 479.39 c 320.00 10.50 0.00 0.00 j 2090.65
1988 0.00 e 0.00 a 0.00 l 0.50 f 218.50 471.21 a 695.50 535.00 253.45 a 12.50 0.00 0.00 2186.16
1989 0.00 a 0.00 0.00 z 2.50 k 128.00 287.50 600.00 536.00 307.00 62.50 0.00 m 0.00 1921.00
1990 0.00 0.00 0.00 74.00 35.50 341.50 545.50 536.00 312.50 0.00 z 12.00 f 0.00 j 1845.00
1991 0.00 0.00 b 0.00 43.50 101.00 r 380.00 359.50 i 551.00 205.00 14.00 0.00 0.00 1193.50
1992 0.00 0.00 0.00 7.50 195.00 255.00 297.50 382.50 148.50 i 32.50 0.00 0.00 1170.00
1993 0.00 0.00 0.00 1.50 83.00 198.00 458.50 523.00 109.50 20.00 0.00 0.00 1393.50
1994 0.00 0.00 0.00 17.50 116.00 359.50 451.00 423.00 318.00 63.00 0.00 0.00 1748.00
1995 0.00 0.00 0.00 0.00 86.50 402.00 508.50 571.00 227.00 60.50 0.00 0.00 1855.50
1996 0.00 0.00 0.00 0.00 49.50 278.00 394.50 531.00 253.00 42.00 0.00 0.00 1548.00
1997 0.00 0.00 0.00 5.50 15.50 371.00 481.00 401.50 292.50 106.00 0.00 0.00 1673.00
1998 0.00 0.00 0.50 30.50 196.50 318.50 553.00 618.00 371.00 63.00 0.00 0.00 2151.00
1999 0.00 0.00 0.00 5.00 166.50 383.00 613.00 499.50 258.00 20.00 20.00 0.00 a 1965.00
2000 0.00 0.00 0.00 4.00 125.00 249.00 484.00 509.00 226.50 94.50 8.50 0.00 i 1700.50
2001 0.00 0.00 0.00 e 25.50 168.50 352.00 538.50 596.50 239.00 47.00 28.00 0.00 1995.00
2002 0.00 0.00 0.00 17.00 79.00 340.50 665.00 503.00 330.00 28.00 0.00 0.00 1962.50
2003 0.00 0.00 0.00 17.00 67.50 260.50 517.50 571.00 316.50 82.00 0.00 0.00 1832.00
2004 0.00 0.00 0.00 8.50 36.00 234.50 443.00 338.00 330.00 50.00 0.00 0.00 1440.00
2005 0.00 0.00 0.00 20.50 70.00 357.50 522.00 512.50 341.50 76.50 0.00 0.00 1900.50
2006 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 514.00 174.00 0.00 z 0.00 0.00 688.00
2007 0.00 0.00 8.00 25.50 167.50 388.00 536.50 514.00 291.00 92.00 0.00 0.00 2022.50
2008 0.00 0.00 0.00 1.50 29.00 265.50 449.50 457.50 242.50 32.50 19.00 0.00 1497.00
2009 0.00 0.00 0.00 11.00 96.50 259.00 0.00 z 425.00 389.00 0.50 0.00 0.00 1181.00
2010 0.00 0.00 5.00 31.50 165.50 307.50 613.50 592.50 120.00 53.00 0.00 0.00 1888.50
2011 0.00 0.00 0.00 7.50 46.50 202.00 601.00 548.00 243.00 111.50 0.00 0.00 1759.50
2012 0.00 0.00 38.50 10.50 161.50 390.50 660.00 519.00 227.00 11.00 h 0.00 z 0.00 z 2007.00
Period of Record Statistics
MEAN 0.00 0.00 1.09 12.53 81.80 273.84 494.75 480.39 240.39 56.92 2.00 0.00 1662.22
S.D. 0.00 0.00 5.30 14.77 54.82 77.07 82.25 73.54 65.44 40.14 5.37 0.00 233.74
SKEW 0.00 0.00 6.22 1.87 0.66 0.31 0.23 -0.19 -0.08 1.51 3.25 0.00 0.11
MAX 0.00 0.00 38.50 74.00 218.50 471.21 695.50 618.00 389.00 230.00 28.00 0.00 2151.00
MIN 0.00 0.00 0.00 0.00 3.00 98.50 297.50 321.50 102.00 0.50 0.00 0.00 1223.90
NO YRS 63 59 60 60 63 64 61 67 67 61 63 57 41