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
1893 0.00 z 0.00 r 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
1894 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
1895 0.00 0.00 a 0.00 34.50 0.00 z 0.00 z 0.00 z 441.00 331.50 5.50 0.00 z 0.00 z 812.50
1896 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
1897 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
1898 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
1899 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
1900 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
1901 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
1902 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
1903 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
1904 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
1905 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
1906 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
1907 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
1908 0.00 0.00 0.00 a 50.50 203.50 377.50 537.50 494.45 a 470.00 100.50 0.00 b 0.00 2233.95
1909 0.00 0.00 0.00 0.00 158.10 a 456.50 520.80 a 553.00 226.15 d 60.93 b 1.50 0.00 a 1976.98
1910 0.00 a 0.00 55.91 c 56.67 c 63.15 d 457.20 e 594.00 498.21 c 191.00 117.28 a 0.00 0.00 b 2033.42
1911 0.00 i 0.00 1.15 d 61.00 342.15 d 580.00 535.55 b 412.62 b 224.00 14.98 a 0.00 0.00 2171.45
1912 0.00 0.00 0.00 11.90 a 205.00 357.00 526.00 366.00 283.33 c 89.26 b 0.00 a 0.00 1838.49
1913 0.00 0.00 0.00 65.69 a 139.50 476.50 482.50 515.00 249.00 117.69 d 0.00 c 0.00 2045.87
1914 0.00 0.00 0.00 a 15.00 a 244.90 a 357.00 655.00 454.00 252.50 151.00 0.00 0.00 2129.40
1915 0.00 0.00 0.00 165.00 90.50 263.00 424.50 313.50 240.00 27.50 0.50 0.00 1524.50
1916 0.00 0.00 0.00 a 1.67 c 114.70 a 251.50 719.50 522.00 222.93 a 63.19 e 2.00 0.00 1897.49
1917 0.00 a 0.00 b 0.00 c 15.50 87.00 235.18 b 529.00 331.00 202.00 4.50 0.00 0.00 1404.18
1918 0.00 0.00 3.74 b 3.50 151.50 289.66 a 474.00 467.58 a 47.14 b 25.00 0.00 0.00 1462.12
1919 0.00 b 0.00 0.00 a 9.50 151.50 538.00 533.00 378.00 235.50 30.00 0.00 0.00 b 1875.50
1920 0.00 a 0.00 1.50 7.76 a 146.00 399.50 431.00 401.50 273.50 183.00 0.00 0.00 1843.76
1921 0.00 0.00 0.00 98.00 270.00 531.00 717.00 464.00 316.00 20.50 0.00 0.00 2416.50
1922 0.00 0.00 0.00 6.00 328.50 388.50 451.50 468.50 288.50 97.50 0.00 0.00 2029.00
1923 0.00 0.00 0.00 25.00 182.50 502.00 589.50 348.00 267.50 33.00 0.00 0.00 z 1947.50
1924 0.00 0.00 b 0.00 2.50 16.00 254.50 418.00 373.00 141.50 96.00 0.00 0.00 a 1301.50
1925 0.00 a 0.00 0.00 53.50 108.00 427.00 496.00 505.50 271.50 0.00 0.00 0.00 b 1861.50
1926 0.00 0.00 0.00 28.45 a 190.50 252.00 499.00 421.00 137.00 29.00 0.00 c 0.00 a 1556.95
1927 0.00 0.00 a 0.00 a 20.50 51.15 a 287.00 444.33 a 295.50 312.50 34.10 a 0.00 0.00 b 1445.08
1928 0.00 0.00 a 0.00 17.50 163.50 227.00 542.50 467.00 137.59 a 57.35 a 0.00 0.00 c 1612.44
1929 0.00 0.00 0.00 c 18.00 143.12 a 301.61 b 585.38 a 409.89 d 207.12 d 29.00 0.00 0.00 1694.11
1930 0.00 a 0.00 0.00 a 39.00 g 298.12 a 0.00 z 560.58 a 483.50 209.00 105.73 c 22.78 c 0.00 1679.71
1931 0.00 a 0.00 a 0.00 a 73.50 124.00 475.00 625.00 310.00 h 331.67 c 53.50 g 10.38 d 0.00 1639.55
1932 0.00 g 0.00 c 0.00 b 11.25 b 155.00 a 494.00 563.00 489.05 b 200.17 a 19.50 0.00 0.00 b 1931.97
1933 0.00 c 0.00 c 0.00 10.34 a 208.00 618.00 630.00 438.50 334.50 28.00 9.50 0.00 a 2276.84
1934 0.00 h 0.00 a 0.00 27.00 348.50 469.50 588.50 407.00 192.93 a 85.50 0.00 0.00 c 2118.93
1935 0.00 0.00 0.00 46.00 111.50 301.00 732.00 555.00 193.50 59.50 0.00 0.00 1998.50
1936 0.00 0.00 0.00 6.50 267.00 316.00 721.50 508.40 a 331.50 34.00 0.00 0.00 b 2184.90
1937 0.00 0.00 a 0.00 2.00 169.00 396.50 657.20 a 637.50 234.00 24.00 0.00 0.00 a 2120.20
1938 0.00 b 0.00 2.67 b 48.00 152.00 334.50 549.50 535.50 178.00 105.00 28.39 b 0.00 1933.57
1939 0.00 a 0.00 1.00 27.00 243.00 389.50 586.50 505.50 274.00 63.50 0.00 a 0.00 a 2090.00
1940 0.00 0.00 0.00 10.86 a 101.50 346.03 a 565.50 433.50 294.50 59.00 0.00 0.00 1810.90
1941 0.00 0.00 a 0.00 93.50 242.00 446.50 543.53 a 422.00 267.41 a 17.00 3.50 0.00 2035.45
1942 0.00 a 0.00 0.00 124.50 103.85 a 349.00 475.50 441.00 218.50 85.00 5.00 0.00 b 1802.35
1943 0.00 0.00 a 3.50 11.38 a 134.00 445.34 a 608.50 158.50 s 135.00 b 76.00 0.00 a 0.00 d 1413.72
1944 0.00 d 0.00 b 0.00 c 5.00 c 341.55 c 427.00 325.50 i 519.25 a 235.86 a 41.00 13.00 0.00 1582.67
1945 0.00 0.00 34.62 a 52.00 73.50 304.00 455.00 498.00 233.00 54.00 0.00 0.00 1704.12
1946 0.00 0.00 17.50 49.00 117.50 369.00 525.00 410.50 233.00 97.13 a 0.00 0.00 1818.63
1947 0.00 0.00 0.00 15.00 87.00 316.00 538.50 714.00 328.50 248.00 1.50 0.00 a 2248.50
1948 0.00 0.00 0.00 63.00 143.50 363.50 529.50 542.50 a 335.50 19.50 6.00 0.00 2003.00
1949 0.00 0.00 0.00 46.50 198.00 499.00 590.00 531.00 166.00 106.00 0.00 0.00 2136.50
1950 0.00 0.00 0.00 0.00 127.00 370.00 436.00 325.50 213.50 92.00 0.00 0.00 1564.00
1951 0.00 0.00 0.00 24.50 233.00 283.50 464.40 e 329.50 133.97 a 33.50 0.00 b 0.00 a 1502.37
1952 0.00 n 0.00 a 0.00 108.00 128.50 431.11 c 563.00 409.50 235.00 3.00 0.00 b 0.00 1878.11
1953 0.00 0.00 0.00 6.96 b 189.00 435.00 470.00 516.50 211.03 a 148.00 10.86 a 0.00 1987.36
1954 0.00 0.00 0.00 10.50 91.00 443.00 525.50 402.00 152.59 a 37.00 0.00 0.00 1661.59
1955 0.00 0.00 0.00 73.50 295.50 428.00 742.00 638.50 257.50 93.50 0.00 0.00 2528.50
1956 0.00 0.00 0.00 0.00 183.00 514.50 460.50 500.50 176.00 141.50 35.00 0.00 2011.00
1957 0.00 0.00 0.00 105.00 180.00 422.00 640.50 511.50 a 211.03 a 42.50 0.00 0.00 2112.53
1958 0.00 0.00 0.00 50.00 182.50 284.50 513.50 509.00 278.50 71.00 0.00 0.00 1889.00
1959 0.00 0.00 0.00 10.00 329.12 a 484.00 568.50 632.00 310.50 34.50 0.00 0.00 2368.62
1960 0.00 0.00 0.00 53.50 208.00 361.50 535.00 567.00 296.00 67.50 0.00 0.00 2088.50
1961 0.00 0.00 0.00 6.50 135.50 468.50 569.00 560.50 303.50 108.00 0.50 0.00 2152.00
1962 0.00 0.00 0.00 53.00 327.00 399.00 493.00 507.50 169.50 121.00 0.00 1.50 2071.50
1963 0.00 0.00 2.50 42.00 154.00 497.50 607.00 457.50 286.50 249.00 0.00 0.00 2296.00
1964 0.00 0.00 0.00 47.50 312.00 442.00 650.00 419.50 230.50 69.50 27.00 0.00 2198.00
1965 0.00 0.00 0.00 13.50 303.00 399.50 498.50 462.50 144.50 80.00 5.00 0.00 1906.50
1966 0.00 0.00 2.50 1.00 132.50 498.00 686.00 422.50 259.00 60.00 0.00 0.00 2061.50
1967 0.00 0.00 12.00 16.00 107.00 450.00 501.00 413.50 258.00 78.00 0.00 0.00 1835.50
1968 0.00 0.00 4.50 45.00 123.00 401.00 545.00 526.00 270.50 136.50 0.00 0.00 2051.50
1969 0.00 0.00 0.00 28.50 247.50 217.50 555.00 625.50 283.00 52.50 0.00 0.00 2009.50
1970 0.00 0.00 0.00 66.50 148.00 432.00 591.00 504.00 241.00 57.00 0.00 0.00 2039.50
1971 0.00 0.00 0.00 11.50 93.00 483.50 424.00 394.50 250.00 120.00 3.00 0.00 1779.50
1972 0.00 0.00 0.00 5.00 281.50 333.50 472.00 464.50 183.00 29.50 0.00 0.00 1769.00
1973 0.00 0.00 0.00 23.00 58.50 403.00 529.00 509.50 202.50 114.00 0.00 0.00 1839.50
1974 0.00 0.00 0.00 48.00 87.50 264.50 570.00 405.50 69.00 25.50 4.50 0.00 1474.50
1975 0.00 0.00 0.00 0.00 249.00 398.00 628.00 491.50 115.00 87.50 17.00 0.00 1986.00
1976 0.00 0.00 0.00 50.00 125.50 467.00 598.50 482.00 207.50 51.00 0.00 0.00 a 1981.50
1977 0.00 0.00 0.00 104.00 414.00 349.50 605.50 321.00 191.50 5.00 2.50 0.00 1993.00
1978 0.00 0.00 0.00 3.00 229.29 b 348.00 452.00 493.50 297.32 b 19.00 5.50 0.00 1847.61
1979 0.00 0.00 0.00 7.50 85.00 135.00 p 541.00 423.00 244.50 24.50 0.00 0.00 1325.50
1980 0.00 0.00 0.00 a 56.50 264.00 344.50 0.00 z 464.00 173.00 7.50 0.00 0.00 a 1309.50
1981 0.00 0.00 0.00 5.00 117.28 a 368.00 493.00 516.15 a 150.00 11.50 0.00 0.00 1660.93
1982 0.00 0.00 0.00 17.50 286.00 224.50 585.50 379.00 178.00 35.50 0.00 0.00 1706.00
1983 0.00 0.00 0.00 14.00 58.00 394.00 663.00 601.50 276.00 35.00 0.00 0.00 2041.50
1984 0.00 0.00 0.00 20.00 97.65 a 0.00 z 525.50 550.00 165.50 82.27 e 0.00 0.00 c 1440.92
1985 0.00 0.00 0.00 e 99.50 204.94 d 299.00 476.00 404.00 194.50 5.50 0.00 c 0.00 a 1683.44
1986 0.00 0.00 10.00 68.79 a 238.50 318.50 552.50 367.00 173.00 18.00 0.00 0.00 1746.29
1987 0.00 0.00 0.00 84.00 232.50 477.50 622.50 466.00 234.00 5.50 2.07 a 0.00 2124.07
1988 0.00 a 0.00 0.00 a 3.50 264.50 479.50 642.00 581.50 230.00 12.50 0.00 0.00 2213.50
1989 0.00 0.00 2.50 14.50 0.00 z 332.00 599.00 507.50 233.50 94.50 0.00 0.00 1783.50
1990 0.00 0.00 2.00 129.50 99.50 379.50 489.50 457.00 264.50 15.50 19.00 0.00 1856.00
1991 0.00 0.00 0.00 58.00 333.50 515.50 509.00 536.00 207.50 24.50 0.00 0.00 2184.00
1992 0.00 a 0.00 0.00 13.50 218.00 288.00 360.50 371.00 191.50 54.00 0.00 0.00 1496.50
1993 0.00 0.00 0.00 7.50 144.00 305.00 503.00 516.00 96.50 13.00 0.00 0.00 1585.00
1994 0.00 0.00 0.00 29.00 192.00 455.00 476.50 403.00 304.50 65.50 0.00 0.00 1925.50
1995 0.00 0.00 7.00 0.00 120.00 540.00 572.50 603.50 205.00 56.00 0.00 0.00 2104.00
1996 0.00 0.00 0.00 3.00 118.00 393.00 407.65 a 506.00 222.00 40.50 0.00 0.00 1690.15
1997 0.00 0.00 0.00 8.50 52.50 450.00 501.50 402.00 253.50 102.00 0.00 0.00 1770.00
1998 0.00 0.00 2.50 37.50 330.50 382.00 574.00 589.00 400.50 50.00 0.00 0.00 2366.00
1999 0.00 0.00 a 7.50 28.50 230.00 438.50 681.00 485.50 236.50 30.50 14.50 0.00 2152.50
2000 0.00 0.00 20.50 17.00 212.50 337.50 513.00 513.00 239.00 94.00 7.50 0.00 1954.00
2001 0.00 0.00 0.00 35.00 217.52 a 427.24 a 558.50 600.00 240.00 34.50 19.50 0.00 2132.26
2002 0.00 0.00 0.00 54.00 117.50 462.50 689.50 515.50 322.50 28.00 0.00 0.00 2189.50
2003 0.00 0.00 7.50 40.50 106.00 361.50 534.00 592.50 293.00 77.50 0.00 0.00 2012.50
2004 0.00 0.00 0.00 31.00 122.00 341.50 505.50 335.00 402.50 52.50 0.00 0.00 1790.00
2005 0.00 0.00 1.50 43.00 156.00 569.50 644.50 552.00 383.50 109.00 0.00 0.00 2459.00
2006 0.00 0.00 0.00 57.50 242.00 456.50 687.50 543.00 240.50 f 34.50 0.00 z 0.00 2021.00
2007 0.00 0.00 12.00 43.00 226.00 472.00 0.00 z 532.50 318.50 152.00 0.00 0.00 1756.00
2008 0.00 0.00 0.00 25.00 73.50 382.00 554.50 487.00 293.00 39.00 20.00 0.00 1874.00
2009 0.00 0.00 0.00 16.50 144.50 365.50 396.00 427.00 347.00 4.50 0.00 0.00 1701.00
2010 0.00 0.00 2.50 45.50 283.50 380.50 628.00 613.00 152.50 76.00 1.50 0.00 2183.00
2011 0.00 0.00 0.00 7.50 159.00 393.50 705.50 281.50 p 167.50 97.50 0.00 0.00 1530.50
2012 0.00 0.00 86.50 14.00 215.00 415.50 623.00 399.50 162.50 11.00 j 0.00 z 0.00 z 1916.00
Period of Record Statistics
MEAN 0.00 0.00 2.88 34.58 180.82 395.36 553.51 475.86 236.64 62.73 2.90 0.01 1931.28
S.D. 0.00 0.00 10.82 32.81 83.18 85.43 81.81 82.45 71.07 48.25 6.84 0.15 257.27
SKEW 0.00 0.00 5.85 1.40 0.49 0.01 0.23 0.11 0.24 1.34 2.77 10.00 -0.18
MAX 0.00 0.00 86.50 165.00 414.00 618.00 742.00 714.00 470.00 249.00 35.00 1.50 2528.50
MIN 0.00 0.00 0.00 0.00 16.00 217.50 360.50 295.50 47.14 0.00 0.00 0.00 1301.50
NO YRS 102 106 106 105 104 102 102 103 105 104 103 103 88